CN101645561B

CN101645561B - Electric connector

Info

Publication number: CN101645561B
Application number: CN200810303324A
Authority: CN
Inventors: 郑永昌
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: 2008-08-04
Filing date: 2008-08-04
Publication date: 2012-10-03
Anticipated expiration: 2028-08-04
Also published as: CN101645561A

Abstract

The invention discloses an electric connector comprising an insulating body, a central terminal and an elastic terminal. The central terminal and the elastic terminal are contained in the insulating body which is provided with a containing space and a containing cavity; the containing space extends backwards from a front end surface, and the containing cavity extends forwards from a rear end surface and is communicated with the containing space; the central terminal is contained in the containing cavity and extends in the containing space; the containing cavity is provided with a fixing and holding section which comprises a spacing groove and a passing section adjacent to the rear end surface of the insulating body; the central terminal is provided with a fixing and holding part, the cross section outline of which has long edges and short edges; a clamping block is formed on the short edges of the fixing and holding part; and the fixing and holding part of the central terminal penetrates through the passing section and is rotatably clamped in the spacing groove. The terminal and the insulating body are fixed together by interference fit in between so as to simplify the structure and the manufacture process of the electric connector and decrease the cost.

Description

Electric connector

[technical field]

The present invention discloses a kind of electric connector, refers to a kind of electric connector that is used to transmit DC power supply especially.

[background technology]

The pedestal side of notebook computer generally can be equipped with an electric connector, and this electric connector connects DC power supply and transmits power supply signal.Announce the electric connector that is disclosed for No. 254757 like the tw Taiwan patent of invention and comprise supply socket, annular conductive film and solid anodal pin; Wherein annular conductive film is gone into from insulating body one side, and solid anodal pin penetrates from opposite side, is positioned at middle position; The conductive feet of solid anodal pin is bent downwards; And be provided with a groove in its one, and be provided with a perforate with respect to the supply socket here, can insert a spacer; And chimeric groove of living solid anodal pin makes both obtain firm blocking effect person.But this connector needs extra manufacturing one spacer that solid anodal pin is fixed in the supply socket, and in assembling process, also can produce complicated step in manufacture process.

In view of above-mentioned drawback, the electric connector that needs a kind of designs simplification is to solve the problem that exists in the prior art.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector, it is through simplifying the part of electric connector to the improvement of terminal holding structure.

For realizing above-mentioned purpose; Electric connector of the present invention adopts following technical scheme: a kind of electric connector; It comprises: insulating body, the center terminal that is contained in insulating body and flexible terminal insulating body are provided with receiving space that extends back from front end face and the host cavity that extends forward and communicate with receiving space from rear end face, and said center terminal is contained in the host cavity and extends in the receiving space; Said host cavity is provided with the fixing section; Said fixing section comprises the section of passing through of stopper slot and contiguous insulating body rear end face; Said center terminal is provided with the holding parts that cross-sectional profiles has long limit and minor face; The minor face place of said holding parts is formed with blocked block, and the holding parts of said center terminal passes and saidly is positioned at said stopper slot through revotating card after the section.

Compared with prior art; The present invention has following beneficial effect: the card holding structure through between terminal and the insulating body is fixed together both; Reduce the part of electric connector, electric connector structure is simplified, and simplify the processing procedure of electric connector and reduce cost.

[description of drawings]

Fig. 1 is the stereogram of electric connector of the present invention.

Fig. 2 is the stereogram of another angle of electric connector of the present invention, and wherein center terminal has revolved and turn 90 degrees and be positioned at detent position.

Fig. 3 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 4 is the three-dimensional exploded view of another angle of electric connector of the present invention.

Fig. 5 is the solid assembling sketch map of electric connector of the present invention, and wherein center terminal is in the not stationary state in the firm insertion insulating body.

Fig. 6 is the cutaway view along A-A line direction among Fig. 1.

Fig. 7 is the cutaway view along B-B line direction among Fig. 1.

[embodiment]

To shown in Figure 2, it is the stereogram of embodiment of the present invention electric connector 100 like Fig. 1.

To shown in Figure 4, electric connector 100 of the present invention comprises insulating body 1, center terminal 2, flexible terminal 3 and is assembled in the shielding casing 4 on the insulating body like Fig. 3.

Said insulating body 1 comprises front end face 11, rear end face 12, two sides 13, end face 14 and bottom surface 15, and said end face 14 has two guide vane end stops 141, and said two guide vane end stops 141 lay respectively at the edge, front and back of end face 14.The front edge of said side 13, centre and back edge are respectively equipped with the fall H type outwards outstanding from the surface first projection 131, inverted T shape second projection 132 and the 3rd projection 133; Form two first depressions 134 between said first projection 131 and the side 13; Said second projection 132 and the 3rd projection 133 are joined together to form a type of falling H and form two second depressions 135 with the side; Said first projection 131 and second projection 132 have equal height, and said the 3rd projection 133 is a little more than first projection 131 and second projection 132.Be provided with the receiving space 16 of an extension from front to back and the host cavity 17 that extends back from the center on surface, receiving space 16 back in the middle of the front end face 11 of said insulating body 1; Said host cavity 17 runs through the rear end face 12 of insulating body 1; Said host cavity 17 is divided into two-part; Be respectively section of accommodating 171 and fixing section 172; The cross-sectional diameter of the said section of accommodating 171 is less than the cross-sectional diameter of fixing section 172 and form a ladder 173 between the two; Said fixing section 172 comprises the section of passing through 1721 of adjacent back end face, through the stopper slot 1722 between section 1721 and the ladder 173, respectively from through inwardly outstanding guide vane end stop 1723 of section about 1,721 two inwalls and the bootstrap block 1724 that in four angles, extends respectively through section 1721 inwalls; Said stopper slot 1722 is between guide vane end stop 1723 and bootstrap block 1724 and ladder 173; The edge, the left and right sides on surface, said receiving space 16 back is respectively equipped with one and accommodates passage 18 from the surface, back to what the rear end face 12 of insulating body 1 extended, the rear end face 12 of said insulating body 1 be provided with two respectively with accommodate the opening 19 that passage 18 communicates.The end face 14 of said insulating body 1 is provided with the centre position groove 151 of 12 extensions to back end, and said groove 151 communicates with receiving space 16.15 centre positions, bottom surface of said insulating body 1 are provided with a gim peg 152, and said gim peg 152 is used for limiting the position of electric connector 100 electronic equipment (not shown).

Said center terminal 2 comprises holding parts 21 in the fixing section 172 of the host cavity 17 that is contained in insulating body 1, from cylindric docking section 22 that holding parts 21 extends forward and the weld part 23 that extends back from holding parts 21; Said holding parts 21 is that a cylinder has a long limit of a linearity and a circular-arc minor face along vertical plane excision left and right sides two parts and its cross section; The cross section overall diameter of said holding parts 21 equals the cross-sectional diameter of stopper slot 1722 in the fixing section 172; The thickness of said holding parts 21 equals the width of stopper slot 1722 in the fixing section 172; Two minor face places of said holding parts 21 be provided with respectively one from the docking section the outwards outstanding blocked block 211 of 21 periphery; Said center terminal 2 is fixed on the insulating body 1 through the blocked block 211 of holding parts 21 and the interference engagement of stopper slot 1722; The ladder 173 of said insulating body 1 and guide vane end stop 1723 the backstop blocked block 211 of living center terminal 2 respectively limit moving forward and backward of center terminal 2; Said docking section 22 is contained in the receiving space 16 of the section of accommodating 171 and insulating body 1 of host cavity 17, and it is outer and it is terminal for semi-cylindrical and which is provided with a welding hole 231 that runs through semicolumn that said weld part 23 parts are exposed to the rear end face 12 of insulating body 1.

Said flexible terminal 3 comprises some retaining sheets 33 and the bonding pad 34 that jerk-finger 32 that circular main part 31, some autonomous bodies 31 extend forward and autonomous body 31 extend back.Said flexible terminal 3 is contained in the receiving space 16 of insulating body 1; Said retaining sheet 33 and bonding pad 34 run through the corresponding passage 18 of accommodating on the insulating body 1 respectively; Said retaining sheet 33 terminal bendings are contained in the opening 19, and the end of said retaining sheet 33 bendings is fixed in flexible terminal 3 in the insulating body 1.Said bonding pad 34 is contained in the groove 151 and part is exposed to outside the rear end face 12 of insulating body 1.

Said shielding casing 4 is stamped to form by sheet metal, and it comprises first shielding casing 41 and second shielding casing 42.Said first shielding casing 41 centers be provided with one with the roughly the same circular docking port 411 of receiving space 16 top-down cross sections; Be provided with some braces that extend back 412 in the said docking port 411, said brace 412 electrically connects with the jerk-finger 32 of flexible terminal 3.The edge, the left and right sides of said first shielding casing 41 is respectively equipped with the stator 413 that extends back; Be respectively equipped with two in the middle of the said stator 413 inwardly and first shell fragment 414 that extends forward, said first shell fragment 414 is contained in first depression 1 34 of insulating body 1 respectively and prevents that first shielding casing 41 from splitting away off on the body 1 that insulate.

Said second shielding casing 42 comprises a roof 421, from roof 421 left and right sides to the sidewall that extends below 422 and respectively from two sidewalls, 422 terminal outward extending fixing feet 423; The back edge centre position of said sidewall is provided with inside upwardly extending second shell fragment 424; Second depression that said second shell fragment 424 is contained in insulating body 1 prevents that second shielding casing 42 from splitting away off in 135 on the body 1 that insulate, said fixing feet 423 is provided with location hole 425.The leading edge of the sidewall 422 of said second shielding casing 42 covers the stator 41 3 outer and generation electric connections of first shielding casing 41.

Said electric connector 100 further comprises some cables (not shown); Said some cables electrically connect with the weld part 23 of center terminal 2 and the bonding pad 34 of flexible terminal 3 respectively, and wherein the inner wire of single line cable (not shown) runs through the welding hole 231 on the weld part 23 and welds together.

Extremely shown in Figure 5 like Fig. 3; When electric connector of the present invention is assembled; Center terminal 2 and flexible terminal 3 are inserted in corresponding host cavity 17 and the receiving space 16 with front end face 11 from the rear end face 12 of the body 1 that insulate respectively; Said center terminal 2 inserts through bootstrap block 1724 guiding through section 172, when blocked block 211 contacts at ladder 173, center terminal 2 is carried out 90 degree rotations, and two blocked blocks 211 of said holding parts 21 are retained in the stopper slot 1722 in the host cavity 17 through interference engagement respectively; The rotation of the interference effect restriction center terminal 2 of said stopper slot 1722 and blocked block 211; The ladder 173 of said insulating body 1 and guide vane end stop 1723 the backstop blocked block 211 of living center terminal 2 respectively limit moving forward and backward of center terminal 2, and said center terminal 2 serves as the positive pole of power supply, and said flexible terminal 3 serves as the negative pole of power supply; First shielding casing 41 direction from front to back is assembled on the front end face 11 of insulating body 1; Again with second shielding casing 42 last and under the direction end face 14 that is assembled in insulating body 1 and two sides 13 on.Center terminal 2 runs through whole host cavity 17 and docking section 22 is exposed in the receiving space 16; The retaining sheet 33 of flexible terminal 3 and bonding pad 34 run through corresponding passage 18 and the groove 151 of accommodating respectively, and the bending end of said retaining sheet 33 is contained in the corresponding opening 19.

Claims

1. electric connector; It comprises: insulating body, the center terminal that is contained in insulating body and flexible terminal; Insulating body is provided with receiving space that extends back from front end face and the host cavity that extends forward and communicate with receiving space from rear end face, and said center terminal is contained in the host cavity and extends in the receiving space; It is characterized in that: said host cavity is provided with the fixing section; Said fixing section comprises the section of passing through of stopper slot and contiguous insulating body rear end face; Said center terminal is provided with the holding parts that cross-sectional profiles has long limit and minor face; The minor face place of said holding parts is formed with blocked block, and the holding parts of said center terminal passes and saidly is positioned at said stopper slot through revotating card after the section, said insulating body further comprise communicate with receiving space and be positioned at host cavity peripheral accommodate passage; Said flexible terminal comprises the circular main part that is contained in the host cavity and jerk-finger and the autonomous bonding pad that extends back of body, and said bonding pad runs through accommodates passage.

2. electric connector as claimed in claim 1 is characterized in that: said center terminal further comprises from holding parts and extends forward and be contained in the docking section of receiving space and extend back and be exposed to the weld part outside the insulating body rear end face from holding parts.

3. electric connector as claimed in claim 1 is characterized in that: said host cavity further comprises the accommodate section of diameter less than fixing section diameter, forms a ladder between the two.

4. electric connector as claimed in claim 3; It is characterized in that: said fixing section further comprises respectively from through the inwardly outstanding guide vane end stop of two inwalls about section and respectively from the bootstrap block that extends internally through the section inwall, and said ladder and guide vane end stop the backstop blocked block of living center terminal respectively limit moving forward and backward of center terminal.

5. electric connector as claimed in claim 4 is characterized in that: said stopper slot is between guide vane end stop and bootstrap block and ladder, and the interference effect of the blocked block of said stopper slot and center terminal limits the rotation of center terminal.

6. electric connector as claimed in claim 5 is characterized in that: said blocked block pass said through after the section rotation move between guide vane end stop and the ladder.

7. electric connector as claimed in claim 1 is characterized in that: said insulating body further comprises groove, and the said passage of accommodating is parallel with host cavity respectively with groove, and the rear end face of said insulating body is provided with respectively and accommodates the opening that passage is connected.

8. electric connector as claimed in claim 7 is characterized in that: said flexible terminal also comprises some retaining sheets that autonomous body extends back, and said retaining sheet runs through accommodates the terminal bending of passage and its and be contained in the opening.

9. electric connector as claimed in claim 1; It is characterized in that: said electric connector further comprises a shielding casing; Said shielding casing comprises first shielding casing and second shielding casing of mutual electric connection, and the two sides of said insulating body are respectively equipped with first depression and second depression.

10. electric connector as claimed in claim 9; It is characterized in that: said first shielding casing comprises the brace that electrically connects with flexible terminal and is contained in first depression and first shell fragment that holds mutually with insulating body, and the sidewall of said second shielding casing is provided with second shell fragment that is contained in second depression and holds mutually with insulating body.