CN202373769U

CN202373769U - Electric connector

Info

Publication number: CN202373769U
Application number: CN2011204734519U
Authority: CN
Inventors: 郑黄铮
Original assignee: KUNSHAN PRECISION MOLD CO Ltd
Current assignee: KUNSHAN PRECISION MOLD CO Ltd
Priority date: 2011-11-24
Filing date: 2011-11-24
Publication date: 2012-08-08
Anticipated expiration: 2021-11-24

Abstract

The utility model relates to an electric connector, in particular to an LVDS (Low Voltage Differential Signaling) electric connector. The electric connector comprises an insulation body, an electric conduction terminal installed on the insulation body, and an upper shell and a lower shell used for shielding the insulation body, wherein the insulation body comprises a body part used for arranging the electric conduction terminal and side arms integrally formed by extending upwards from the two sides of the body part, the upper shell and the lower shell comprise an upper base part and a lower base part respectively, the electric conduction terminal comprises a welding part electrically connected with a printed circuit board, and the electric connector also comprises a welding pin, and the welding pin is used for electrically connecting the lower shell with the printed circuit board and is positioned between the welding part and the side arms. According to the electric connector, the accurate positioning and the welding stability are realized because the welding pin is arranged on the outer side of the welding part of the electric conduction terminal and electrically connects the lower shell with the printed circuit board.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, especially a kind of LVDS electric connector.

Background technology

LVDS (Low-Voltage Differential Signaling Low Voltage Differential Signal) electric connector (hereinafter to be referred as electric connector) is widely used on the electronic products such as notebook computer.Existing electric connector is connected stable in order to strengthen electric connector with printed circuit board (PCB); The upper shell that generally is employed in electric connector extends a junction; The welding foot with the printed circuit board (PCB) electric connection is arranged in the end of connecting portion; Realize that through this welding foot connector is connected with ground connection between the printed circuit board (PCB), still, a shortcoming of this kind mode is: be easy to generate the location inaccurate, weld problem of unstable.

The utility model content

The purpose of the utility model is to provide the electric connector of a kind of accurate positioning and stable welding.

For realizing aforementioned purpose; The utility model adopts following technical scheme: a kind of electric connector; The upper shell and the lower house that comprise insulating body, be installed in the conducting terminal on the said insulating body and be used to cover said insulating body; Said insulating body comprises our department that said conducting terminal is installed and extends upward integrally formed side arm from said our department both sides, and said upper shell, lower house comprise base portion, base portion down respectively, and said conducting terminal comprises the weld part that electrically connects with printed circuit board (PCB); Said electric connector also comprises the welding foot that is used to electrically connect lower house and printed circuit board (PCB), and said welding foot is between weld part and side arm.

As the further improvement of the utility model, be connected for assembly type between said welding foot and the said lower house.

As the further improvement of the utility model, said lower house also comprises the fixing arm that extends to form from said base portion down, and said welding foot is integrally formed at the end of said fixing arm.

As the further improvement of the utility model, said fixing arm comprises the extension of holding section, connection time base portion and the holding section other end that an end is connected with welding foot, and said holding section also is held in our department towards the bending of said our department.

As the further improvement of the utility model, offer the support slot that is used to hold said holding section in said our department.

As the further improvement of the utility model, said support slot is the inner groovy that forms from our department's bottom surface indent, in said support slot, protrudes out to be formed with the fixture block that is used to support bottom surface, said holding section.

Further improvement as the utility model; Said side arm comprises the end that extends back and form from side arm; Said end offers the hook draw-in groove; Said upper shell also comprises the buckle arm that extends to form from said upward base portion, and said buckle arm has the bending arm towards the bending of said end, on said bending arm, is provided with to be used to be held in the grab in the hook draw-in groove.

As the further improvement of the utility model, said bending arm is vertical and be affixed on the end.

Further improvement as the utility model; Said upper shell comprises first buckling piece that extends to form from said upward base portion two lateral bucklings; Offer block button hole and buckle slot on said first buckling piece; Said lower house comprises second buckling piece that extends to form from said down base portion two lateral bucklings, and said second buckling piece is provided with respectively buckle projection, the buckle projection that is clasped with said block button hole, buckle slot.

Further improvement as the utility model; Said conducting terminal also comprises the electrical connection section that electrically connects with other electric connectors, be fixed on the fixed part in said our department and be connected electrical connection section and fixed part, be connected the middle interconnecting piece of fixed part and weld part, and the afterbody of said fixed part has strip excision portion.

The utility model passes through the arranged outside welding foot at the weld part of conducting terminal, and this welding foot electrically connects lower house and printed circuit board (PCB), realizes accurately location and stable welding.

Description of drawings

Fig. 1 is the assembly drawing of electric connector in the utility model embodiment.

Fig. 2 is the assembly drawing on the electric connector other direction among Fig. 1.

Fig. 3 is the explosive view of Fig. 1.

Structure chart when Fig. 4 does not excise strip for conducting terminal in the prior art.

Fig. 5 is the conducting terminal that the is used for Fig. 1 structure chart when not excising strip.

Embodiment

See also Fig. 1 ~ 3; A kind of electric connector 10, the upper shell 4 that comprise insulating body 1, be installed on conducting terminal 2 on the insulating body 1, is used to cover said insulating body 1 is with lower house 5 and be connected lower house 5 and the welding foot 3 of printed circuit board (PCB) (for diagram), and this welding foot 3 is between the weld part 23 and side arm 12 of conducting terminal 2; Be positioned at the outside of weld part 23; This welding foot 3 can be one-body molded with lower house 5, also can be assembled on the lower house 5 and (not provide legend), promptly with between the lower house 5 forms removable the connection; When being arranged to the assembly type connection; Welding foot 3 when connecting lower house 5 with printed circuit board (PCB), the angle and direction of scalable welding foot 3, the degree of freedom, controllability and location are more accurate.Be elaborated in the face of the each several part in the above-mentioned electric connector down.

Insulating body 1 comprises our department 11, extends upward integrally formed side arm 12 from our department 11 both sides; Offer the terminal groove (not indicating) that is used for fixing conducting terminal 2 in our department 11; Be formed in one between this terminal groove and our department 11, side arm 12 comprises the end 121 that extends back and form from two side arms 12, on this end 121, offers hook draw-in groove 1211; This hook draw-in groove 1211 can also not be arranged on end 121, is arranged at other positions of insulating body 1.

The weld part 23 that conducting terminal 2 comprises the electrical connection section 21 that electrically connects with other electric connectors, be fixed on fixed part 22 in the terminal groove 112, electrically connect with printed circuit board (PCB) and be connected electrical connection section 21 and fixed part 22, be connected the middle interconnecting piece 24 of fixed part 22 and weld part 23 has strip excision portion 221 at the afterbody of fixed part 22.See also Fig. 5, the structure chart when not excising strip for conducting terminal 2 is in this accompanying drawing; Strip 25 is positioned at the afterbody of fixed part 22, behind excision strip 25, in the afterbody formation strip excision portion 221 of fixed part 22; Again referring to Fig. 4; Strip 25 ' is positioned at the afterbody of weld part 23 ', and behind the excision strip 25 ', strip excision portion is formed on the afterbody of weld part 23 '; The conducting terminal of this kind structure preparation is yielding and waste material that produce is many in the preparation process, and the conducting terminal 2 not yielding and economical with materials in the preparation process through the preparation of structure shown in Fig. 5 embodiment.

Upper shell 4 comprises base portion 41, goes up the buckle arm 42 that base portion 41 extends to form certainly, and the bearing of trend of buckle arm 42 is consistent with the bearing of trend of end 121.Upper shell 4 is fixing with insulating body 1 through this buckle arm 42; Be specially: buckle arm 42 comprises from the buckle extension 423 of last base portion 41 horizontal-extendings formation, from the buckle extension 423 bending arm 421 that 121 bendings form towards the end; Bending arm 421 is provided with the grab 422 that is held in the hook draw-in groove 1211, and this bending arm 421 is vertical and be affixed on end 121.

Lower house 5 comprises following base portion 51, a pair of fixing arm 53 and the fixing sheet 54 that descend base portion 51 to extend back to form certainly; Fix sheet 54 and have gap 55 between two fixing arms 53 and between fixing sheet 54 and the fixing arm 53; Fix sheet 54 and fixing arm 53 respectively towards our department's 11 bendings and partial fixing in our department 11; Fix sheet 54 and be embedded in our department 11 through its head, 53 of fixing arms are to be fixed in our department 11 through holding section 532.Fixing arm 53 also can adopt other quantity, and welding foot 3 is integrally formed at the end of fixing arm 53, and both can also adopt modular construction.Fixing arm 53 concrete structures are: the extension 531 that comprises holding section 532, connection time base portion 51 and holding section 532 other ends that an end is connected with welding foot 3; Holding section 532 is towards our department's 11 bendings and be fastened in our department 11, and extension 531 extends to form from base portions 51 down, its with following base portion 51 in same plane; The weld part 23 of welding foot 3 and conducting terminal 2 is in same plane; On short transverse, extension 531 little welding foots 3 that are higher than, holding section 532 is higher than extension 531.

Fixing arm 53 towards our department's 11 bendings and be held in our department 11, strengthens its location reliable and welding stability thereby rise through holding section 532.In our department 11, offer the support slot 111 that is used to hold above-mentioned holding section 532; With reference to Fig. 2; This support slot 111 is the inner groovy that indent forms from the bottom surface of our department 11; In support slot 111, protrude out and be formed with two fixture blocks 1111 that are used to support 532 bottom surfaces, prevent that through two fixture blocks 1111 holding section 532 from moving outside support slot 111, thereby further strengthen the reliable and welding stability in its location in the holding section.

In order to strengthen the connectivity between upper shell 4 and the lower house 5.First buckling piece 43 that bending downwards extends to form from last base portion 41 both sides; In the accompanying drawings, first buckling piece 43 of each side is a two-piece type, and both are positioned at same vertical plane; On two first buckling pieces 43, offer block button hole 431 and buckle slot 432 respectively, block button hole 431 is positioned at the front portion.Upwards bending extends to form second buckling piece 52 from following base portion 51 both sides; This second buckling piece 52 is provided with respectively buckle projection 521, the buckle projection 522 that is clasped with above-mentioned block button hole 431, buckle slot 432; At this; Because first buckling piece 43 adopts the two-piece type structure; Therefore when first buckling piece 43 and second buckling piece, 52 buckles, the phenomenon of mutual interference mutually in the time of can not causing buckle projection 521, buckle projection 522 with block button hole 431, buckle slot 432 cooperations, certain; First buckling piece 43 can also adopt integral structure, and both also can only select wherein a kind of buckle mode to realize being clasped between first buckling piece 43 and second buckling piece 52.

Although be the example purpose; The preferred implementation of the utility model is disclosed; But those of ordinary skill in the art will recognize, under situation about not breaking away from by the scope of the disclosed the utility model of appending claims and spirit, various improvement, increase and replacement are possible.

Claims

1. electric connector; The upper shell (4) and the lower house (5) that comprise insulating body (1), be installed in the conducting terminal (2) on the said insulating body (1) and be used to cover said insulating body (1); Said insulating body (1) comprises our department (11) of the said conducting terminal of installation (2) and extends upward integrally formed side arm (12) from said our department (11) both sides; Said upper shell (4), lower house (5) comprise base portion (41), following base portion (51) respectively; Said conducting terminal (2) comprises the weld part (23) that electrically connects with printed circuit board (PCB); It is characterized in that: said electric connector also comprises the welding foot (3) that is used to electrically connect lower house (5) and printed circuit board (PCB), and said welding foot (3) is positioned between weld part (23) and the side arm (12).

2. electric connector according to claim 1 is characterized in that: be connected for assembly type between said welding foot (3) and the said lower house (5).

3. electric connector according to claim 1 is characterized in that: said lower house (5) also comprises the fixing arm (53) that extends to form from said base portion (51) down, and said welding foot (3) is integrally formed at the end of said fixing arm (53).

4. electric connector according to claim 3; It is characterized in that: said fixing arm (53) comprises holding section (532) that an end is connected with welding foot (3), connect the extension (531) of base portion (51) and holding section (532) other end down, and said holding section (532) also are held in our department (11) towards (11) bending of said our department.

5. electric connector according to claim 4 is characterized in that: offer the support slot (111) that is used to hold said holding section (532) in said our department (11).

6. electric connector according to claim 5; It is characterized in that: said support slot (111) is the inner groovy from our department (11) bottom surface indent formation, in said support slot (111), protrudes out to be formed with the fixture block (1111) that is used to support bottom surface, said holding section (532).

7. electric connector according to claim 1; It is characterized in that: said side arm (12) comprises the end (121) that extends back and form from side arm (12); Said end (121) offers hook draw-in groove (1211); Said upper shell (42) also comprises the buckle arm (42) that extends to form from said upward base portion (41); Said buckle arm (42) has the bending arm (421) towards said end (121) bending, on said bending arm (421), is provided with the grab (422) that is used to be held in the hook draw-in groove (1211).

8. electric connector according to claim 7 is characterized in that: said bending arm (421) is vertical and be affixed on end (121).

9. according to claim 1 or 7 described electric connectors; It is characterized in that: said upper shell (4) comprises first buckling piece (43) that extends to form from said upward base portion (41) two lateral bucklings; Offer block button hole (431) and buckle slot (432) on said first buckling piece (43); Said lower house (5) comprises second buckling piece (52) that extends to form from said down base portion (51) two lateral bucklings, and said second buckling piece (52) is provided with respectively buckle projection (521), the buckle projection (522) that is clasped with said block button hole (431), buckle slot (432).

10. electric connector according to claim 1; It is characterized in that: said conducting terminal (2) also comprises the electrical connection section (21) that electrically connects with other electric connectors, be fixed on the fixed part (22) in said our department (11) and be connected electrical connection section (21) and fixed part (22), be connected the middle interconnecting piece (24) of fixed part (22) and weld part (23), and the afterbody of said fixed part (22) has strip excision portion (221).