CN101677154A

CN101677154A - Electric connector

Info

Publication number: CN101677154A
Application number: CN200810196703A
Authority: CN
Inventors: 吴俊宽; 侯智祥
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-09-17
Filing date: 2008-09-17
Publication date: 2010-03-24
Anticipated expiration: 2028-09-17
Also published as: CN101677154B

Abstract

The invention discloses an electric connector comprising an insulator and a plurality of terminals fixed on the insulator. Accommodation slots for accommodating the terminals are formed on the insulator. Each terminal is provided with a fixing part fixed on the insulator and an elastic arm extending from the fixing part along the accommodation slot. The elastic arm comprises a first contact arm part and a second contact arm part, which are arranged oppositely, and a connecting arm part connecting the first contact arm part and the second contact arm part. The second contact arm part and the connecting arm part form an included angle from 10 degrees to 40 degrees. Each accommodation slot is provided with a stopping part which is positioned at the upper side of the joint of the second contact arm part and the connecting arm part, so that the thickness of the stopping part can be improved under the condition of satisfying the low-construction requirement to improve the strength and prevent the second contact arm part of the terminal from being extruded and damaging the stopping part.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, relate in particular to a kind of electric connector that is connected on the printed circuit board (PCB).

[background technology]

See also United States Patent (USP) and announce the 7th, 278, No. 861, it has disclosed a kind of socket and pin connector assembly, and this socket connector includes insulating body, is immobilizated in the several terminals on the insulating body; Described insulating body has the butt joint space and forms the sidewall in butt joint space, and is formed with the hyoplastron that protrudes into the butt joint space between the sidewall, and insulating body is formed with the accepting groove of accommodating terminal, and this conduit runs through the bottom side of insulating body; Described terminal is provided with first contact arm that is positioned at sidewall one side and reaches second contact arm that is oppositely arranged and is positioned at hyoplastron one side with this first contact arm, this second contact arm is to protrude out to the butt joint space in described accepting groove, owing to be provided with the block wall of block second contact arm in this accepting groove, in the time of can preventing the butt joint of two connectors, this second contact arm is taken out of by the terminal of pin connector, and influence is the butt joint effect of butt joint once more; Electric connector is to the trend development of low-profile at present, height one timing when terminal, need thickness by reducing above-mentioned block wall to meet the development trend of low-profile, yet, this improvement measure meeting reduces the intensity of this block wall, insulating body is easily pushed and destroys by terminal, thereby influences the serviceability of electric connector.

Therefore, a kind of electric connector of necessary design is to overcome the above-mentioned problems in the prior art.

[summary of the invention]

Technical problem to be solved by this invention is a kind of electric connector that improves insulating body intensity.

For addressing the above problem, electric connector of the present invention adopts following technical scheme: a kind of electric connector, it comprises: insulating body, be immobilizated in the several terminals on the insulating body, described insulating body is formed with the accepting groove of accommodating terminal, the elastic arm that described terminal is provided with the holding parts that is immobilizated on the insulating body and extends along accepting groove from holding parts, this elastic arm include the first contact arm, the second contact arm relative with this first contact arm and connect the arm portions that first, second contacts arm; Angle between described second contact arm and the arm portions is spent between 40 degree 10, and is provided with the stop section in the described accepting groove, and this stop section is the upside that is positioned at the second contact arm and arm portions connection.

Electric connector of the present invention has following beneficial effect: be arranged on 10 degree between 40 degree by the second contact arm and the angle between the arm portions with terminal, and the stop section is the upside that is positioned at the second contact arm and arm portions connection, can make under the situation that satisfies the low-profile demand, the thickness that improves the stop section prevents the second contact arm extruding of terminal and destroys the stop section to improve the intensity of this stop section.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of electric connector of the present invention.

Fig. 2 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 3 is the cut-away illustration along A-A line among Fig. 1, and has showed the cut-away illustration with the corresponding butt connector of electric connector of the present invention simultaneously.

Fig. 4 is the constitutional diagram of electric connector of the present invention shown in Figure 3 and its butt connector.

[embodiment]

See also shown in Figure 1, electric connector 100 of the present invention include lengthwise insulating body 1, arrange and be immobilizated in the several terminals 2 on the insulating body and be installed on the retaining piece 3 at the lengthwise two ends of insulating body along longitudinally.

See also shown in Figure 2, described insulating body 1 has the butt joint space 12 that interface 11 reaches from this interface 11 is arranged with, this insulating body includes two side 13, vertically connects the diapire 14, end wall 15 of two side and protrude out the hyoplastron 16 that is arranged between the two side from diapire 14, this sidewall, diapire and end wall form above-mentioned butt joint space 12, and insulating body 1 is formed with accepting groove 121, and terminal 2 is contained in this accepting groove.

See also Fig. 2 and shown in Figure 3, described terminal 2 is disposed with holding parts 21 that is immobilizated on the sidewall 13 and the elastic arm that extends along accepting groove from holding parts, this elastic arm includes: from the extension 22 of holding parts 21 1 ends to the one lateral buckling extension of butt joint space, extend into the first contact arm 23 of diapire 14 near the end bending in butt joint space from extension 22, be positioned at the arm portions 24 of an end of bottom side from the first contact arm 23 to hyoplastron 16 bending extensions, bend the second contact arm 25 of extension to interface 11 near an end of hyoplastron from arm portions 24, the aforementioned first contact arm 23 and the second contact arm 25 are along the relative in a lateral direction both sides that are arranged at accepting groove 121 of separating perpendicular to longitudinally, thereby can electrically contact with two of the butt connector portion of touching that connects, can improve the reliability of contact.

See also Fig. 3 and shown in Figure 4, the butt connector 200 that matches with electric connector of the present invention has insulating body 4 and is immobilizated in the several terminals 5 of insulating body, and described insulating body has diapire 41 and centers on the sidewall 42 of setting perpendicular to diapire; Terminal 5 is immobilizated on two longitudinally side walls, and have respectively and first of electric connector 100, second contact contacted first contact site 51 of arm and second contact site 52, this is first years old, second contact site is relatively arranged on the outside and the inboard of sidewall 42, wherein has the gap between first contact site 51 and the insulating body 4, and the terminal outside of this first contact site 51 is formed with recess 511, second contact site 52 extends to the insulating body inner bending from first contact site, and form the guiding face 521 that tilts to the inside gradually, be that relative second contact site 52 forms the big and little ladder cavity in bottom of openings on the two side 42, can be contained in the above-mentioned ladder cavity with the hyoplastron 16 that makes things convenient for electric connector 100, the first contact arm 23 of electric connector 100 has the contact 231 that the recess 511 with butt connector 200 fastens, help improving the contact effect of two connectors, and the guiding face of above-mentioned inclination can be guided butt connector 200 and be inserted, and can reduce the required insertion force of butt connector.

The terminal 2 of electric connector 100 of the present invention has following structure, see also Fig. 3 and shown in Figure 4, first contact arm 23 of this terminal 2 and the bending angle a between the arm portions 24 are between 30 degree are spent to 60, in this angular range, in the butt connector insertion process, first contact site 51 of butt connector 200 acts on resultant moment deflection sidewall 13 1 sides on the electric connector 100 first contact arms 23, can prevent that the first contact arm 23 from collapsing under pressure and be out of shape; Bending angle b between described second contact arm 25 and the arm portions 24 is between 10 degree are spent to 40, in this angular range, second contact site 52 of butt connector 200 acts on resultant moment deflection hyoplastron 16 1 sides on the second contact arm 25, can prevent that the second contact arm 25 from can't recover former flexible to diapire 14 1 side excessive deformations.

See also Fig. 1, Fig. 3 and shown in Figure 4, be provided with stop section 161 in the described accepting groove 121, this stop section is the upside that is positioned at the second contact arm 25 and arm portions 24 connections, in the present embodiment, stop section 161 is formed at the both sides of hyoplastron, influences the butt joint effect of butt joint once more but the block second contact arm 25 is taken out of by the terminal of butt connector; The free terminal 251 of the second contact arm 25 is 161 1 lateral bucklings and be serpentine towards the stop section, can prevent that this second contact arm 25 from collapsing under pressure and be out of shape, bending angle b between described second contact arm 25 and the arm portions 24 is between 10 degree are spent to 40, this bending angle can make electric connector of the present invention when satisfying the low-profile demand, and can improve the thickness of stop section 161, improve the intensity of hyoplastron 16, thereby prevent the second contact arm, the 25 squeeze and destroy stop sections 161 of terminal 2.The end face of the hyoplastron 16 of electric connector 100 is concaved with conduit 162, and the diapire 41 of butt connector 200 has the protuberance 411 that matches with this groove, helps improving the cooperation intensity of two connectors.

See also Figure 1 and Figure 2, the retaining piece 3 of electric connector 100 of the present invention includes main part 31, this main part upwards bends the guidance part 33 that extends to the installation portion 32 and the autonomous body of the extension of the insulating body outside certainly, the end wall 15 of insulating body is provided with the recess 151 that matches with this guidance part, this guidance part can be guided butt connector and be inserted smoothly, and the insulating body of the butt connector that can prevent to swipe.

Above-mentioned execution mode is the better embodiment of electric connector of the present invention, and electric connector of the present invention also can adopt other execution mode certainly, gives unnecessary details no longer one by one herein.

Claims

1. electric connector, it comprises: insulating body, be immobilizated in the several terminals on the insulating body, described insulating body is formed with the accepting groove of accommodating terminal, the elastic arm that described terminal is provided with the holding parts that is immobilizated on the insulating body and extends along accepting groove from holding parts, this elastic arm include the first contact arm, the second contact arm relative with this first contact arm and connect the arm portions that first, second contacts arm;

It is characterized in that: the angle between described second contact arm and the arm portions is spent between 40 degree 10, and is provided with the stop section in the described accepting groove, and this stop section is the upside that is positioned at the second contact arm and arm portions connection.

2. electric connector as claimed in claim 1 is characterized in that: the free terminal of the described second contact arm is one lateral buckling and be serpentine towards the stop section.

3. electric connector as claimed in claim 1 or 2 is characterized in that: the angle between described first contact arm and the arm portions be at 30 degree between 60 degree, collapse under pressure and be out of shape to prevent the first contact arm.

4. electric connector as claimed in claim 1 or 2, it is characterized in that: described insulating body has the butt joint space, forms two side of docking the space and the hyoplastron that protrudes out setting to the butt joint space, this hyoplastron is between aforementioned two side, and terminal is arranged at respectively on this two side.

5. electric connector as claimed in claim 1 is characterized in that: described stop section is formed at the both sides of this hyoplastron.

6. electric connector as claimed in claim 1 or 2 is characterized in that: described electric connector also includes the retaining piece that is installed on the insulating body two ends, and this retaining piece has the guidance part of inclination.

7. electric connector as claimed in claim 6 is characterized in that: described insulating body has the sidewall of lengthwise and connects the end wall of this two side, and described retaining piece is to be inserted on this end wall, and the guidance part of this retaining piece tilts to the outside of insulating body gradually.

8. electric connector as claimed in claim 4 is characterized in that: the top side of the hyoplastron of described electric connector is concaved with conduit, and this electric connector has corresponding butt connector, and described butt connector has the protuberance that fastens with described conduit.

9. electric connector as claimed in claim 1 or 2, it is characterized in that: described electric connector has corresponding butt connector, this butt connector includes insulating body and is immobilizated in the several terminals of insulating body, and this terminal has respectively with first, second of electric connector and contacts contacted first, second contact site of arm.

10. electric connector as claimed in claim 4, it is characterized in that: have the gap between first contact site of described butt connector and the insulating body, and the terminal outside of this first contact site has recess, and second contact site extends setting and forms the guiding face of inclination from first contact site.