CN202474297U - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which comprises an insulating stool provided with a plurality of terminal grooves and terminals respectively fixed in the terminal grooves, wherein pins on a receptacle connector are correspondingly inserted; each terminal comprises a base and side faces connected to both sides of the base; at least one side face is bent from one end to form a welding part which can be matched with a circuit board; the other ends of the two side faces extend to respectively form an elastic arm; the tail end of each elastic arm is bent back transversely and provided with a contact part, so that the contact parts extend towards the side faces and converge relatively; and each elastic arm is provided with a narrow part of which the width is less than the main body width of the elastic arm, so that the contact part of the terminal can deviate back and forth or left and right along with the pins from the narrow part of the elastic arm, and the electric contact between the terminal and the elastic arm can be kept in a stable state.

Description

Electric connector

Technical field

The utility model is relevant for a kind of electric connector, and You Zhike supplies butt joint to be the electric connector of electric connection.

Background technology

At present electric connector is widely used in the various electronic products, and existing electric connector combining structure comprises an electric connector and a socket connector and is arranged at respectively on the electronic component of two separation; Make the termination contact that is fixed in both by the butt joint of electric connector and socket connector; And then make the electronic component of two separation be electrically connect, like wafer module and printed circuit board (PCB) etc., but along with science and technology is flourishing; Be fixed in the electronic installation of fixed-point type in the past; Develop into movable type gradually, so people are also increasingly high to the requirement of these electronic equipments, hope that it has more stable quality.

Yet the terminal in the structure of existing electric connector, electric connector constitutes the body with contact site and weld part with a straight metallic material (like copper sheet) with continuous punching press, and described contact site is that two symmetrical clamping shell fragments are arranged at terminal one side; Described weld part then is arranged at the terminal opposite side; Owing to be subject to the bending setting of weld part, so this terminal group is to be inserted by the bottom surface of insulating base frame when being loaded on insulating base frame; But when this electric connector that terminal is housed docks with socket connector; Stitch on the socket connector but is that the end face by insulating base frame stretches into, and regular meeting is because insertion position skew or angle are improper, and makes the contact site tail end of the ora terminalis direct collision of stitch to terminal; So not only can cause losing of terminal, more can therefore cause the phenomenon of short circuit.

Though there is the dealer that the contact site of terminal is designed to forward peg graft design like No. the 087221962nd, TaiWan, China patent application " improved structure of electrical connector "; But because this contact site only has single design; Plug and socket dislike not enough slightly to inserting the back confining force; Come off easily, and the contact point between plug and socket only has on one side easy generation loose contact when rocking.

Be with, design a simple in structurely, easy to operate, and the connector that accords with the demands of the market is the problem that the utility model institute desire solves.

The utility model content

The technical problem that the utility model solves provides a kind of electric connector, make the socket and plug butt joint of connector after, have certain tolerance activity space between the plug of connector, socket, make electrical contact between the two keep stable.

Another technical problem that the utility model solves provides a kind of electric connector, avoids using because of user's mistake grafting, when the socket and plug of connector docks, causes the distortion of losing of terminal.

The technical solution of the utility model is:

A kind of electric connector, it comprises the insulating base frame with a plurality of terminal grooves and is fixedly arranged on the terminal in the said terminal groove respectively, the said terminal of stitch corresponding inserted on the socket connector, wherein:

Said terminal comprises a base portion and the side of these base portion both sides that link to each other; One end of at least one said side is bent to form the weld part that can match with circuit board; And establish partially to extend to form elastic arm to the side in the other end of two said sides; The terminal laterally back bending of said elastic arm is provided with a contact site, and the contact site on the two said elastic arms extends and symmetrically and be the clamping shape, has the narrow of width less than the body width of said elastic arm on the said elastic arm towards said side surface direction respectively.

Above-mentioned electric connector, wherein, said narrow positions is in the joining place of contiguous said elastic arm and said side.

Above-mentioned electric connector, wherein, the width of said narrow equals the thickness of said elastic arm.

Learn that by above explanation the utility model can reach following effect compared with prior art really:

The electric connector of the utility model; In order to can supply the pin connector of the stitch corresponding inserted on the socket connector; Described pin connector has the insulating base frame of plurality of terminals groove and is fixedly arranged on the terminal in the terminal groove respectively, and this terminal comprises a base portion, the link to each other side of these base portion both sides and the weld part that can match with circuit board, and tool is the contact site of clamping shape symmetrically on the two sides; Wherein said contact site is linked to the side of base portion with an elastic arm; Have width on the elastic arm and be close to the thickness of elastic arm less than the narrow of elastic arm body width, can make elastic arm by this except that the forward and backward swing that can be certain orientation, more can be left and right swing with contact site; After the socket and plug butt joint that reaches connector, electrically stable binding the between the two.

The then laterally back bending setting of elastic arm end that described contact site is stretched from the base side facing epitaxy; Forward peg graft to make contact site reach towards the side surface direction extension; By this to prevent to make the contact site tail end of the ora terminalis direct collision of stitch, to avoid the terminal infringement to terminal.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model electric connector;

Fig. 2 is the combination one visual angle figure of the utility model electric connector and socket connector;

Fig. 3 is another visual angle of combination figure of the utility model electric connector and socket connector;

Fig. 4 is the three-dimensional structure diagram of the utility model terminal and stitch;

Fig. 5 is the utility model electric connector and socket connector assembled state cut-away view;

Fig. 6 is the utility model terminal and stitch assembled state sketch map.

The main element label declaration:

1: terminal 10: base portion 11: side

12: weld part 13: elastic arm 131: narrow

14: contact site 2: insulating base frame 21: terminal groove

22: groove 23: reference column 3: socket connector

31: slot 32: stitch

Embodiment

For the creation purpose that makes the utility model and architectural feature can further let the personnel that are familiar with this technology understand, will cooperate appended graphicly, with a specific embodiment the utility model is further explained.

Fig. 1 is the three-dimensional exploded view of the utility model electric connector, and together with reference to shown in other each figure, from figure, can be clear that the utility model mainly is made up of a terminal 1 and 2 of insulating base frames; Terminal 1 is integrally formed with continuous punching press with a straight metallic material; This terminal 1 comprises a base portion 10 and the side 11 (like Fig. 4) that links to each other these base portion 10 both sides and vertically be provided with; At least one side 11 outwards is bent to form the weld part 12 that can match with circuit board from an end; Side 11 other ends then extend upward and form elastic arm 13, and the then horizontal back bending of elastic arm 13 ends is provided with a contact site 14, to make the contact site 14 11 directions extension towards the side respectively on the two sides 11; And be symmetrically the clamping shape; Have more the narrow 131 of width on the described elastic arm 13, and be close to the thickness of elastic arm 13 less than elastic arm 13 body width, and its position partial elasticity arm 13 and the configuration of side 11 joining places.

Insulating base frame 2; Has the terminal groove 21 that can supply terminal 1 transplanting fixing for the plastic cement material is made; It is upper and lower that terminal groove 21 runs through insulating base frame 2, has the groove 22 (like Fig. 2) that can supply terminal 1 spacing in the described terminal groove 21, and be provided with ground reference column 23 in insulating base frame 2 bottoms.

During assembling; The terminal 1 that will have a contact site 14 is penetrated in the terminal groove 21 by the bottom of insulating base frame 2 from lower to upper; Make back bending place of 13 of contact site 14 and elastic arms be limited in the groove 22 in the terminal groove 21, side 11 is 12 blocks of weld part of excurvation in insulating base frame 2 bottoms, promptly accomplishes combination.

When electric connector and socket connector 3 butt joints (like Fig. 2,3); Electric connector is placed in the slot 31 of socket connector 3; And make the set stitch of socket connector 3 32 get into the terminal groove 21 on the insulating base frame 2 of electric connectors; At this moment, stitch 32 is to be the contact site 14 (like Fig. 4) of clamping shape via terminal 1 two sides 11, and gos deep in base portion 10 and its 11 formed spaces, side, both sides (like Fig. 5,6); Because the above contact site 14 of terminal 1 is by elastic arm 13 terminal laterally back bending settings; With make contact site 14 towards the side 11 directions extend and be the direction configuration of forward pegging graft, therefore can effectively prevent contact site 14 tail ends of stitch 32 direct collisions, to avoid terminal 1 infringement to terminal 1.

In addition, after electric connector and socket connector 3 butt joint completion, at this moment; Stitch 32 is by the seizing on both sides by the arms of two contact sites 14 on the terminal 1, and fixing and form electrically connect (like Fig. 6) with terminal 1, because of slot 31 width and the length in the socket connector 3; All greater than electric connector external form profile, so that electric connector is prone to place in the slot 31 in the socket connector 3, so electric connector and socket connector 3 can produce the space between the two; Often produce the offset deviation of all around because of external strength; Because the utility model specially is provided with the narrow 131 of a width less than elastic arm 13 body width on binding has the elastic arm 13 of contact site 14,, make the elastic arm 13 can be with stitch 32 all around displacements by the design of this narrow 131; And make electrical contact between the two keep stable state; Wherein the width of narrow 131 is the best with the thickness that is equal to elastic arm 13, and contiguous elastic arm 13 in its position and the configuration of side 11 joining places, to reach displacement by a larger margin.

Indulge the above; The utility model electric connector is because contact site is to dispose along the grafting direction; And cause terminal to receive side force during effectively anti-oblique cutting and bending, distortion, can't use; And linking the elastic arm that contact site is arranged therefore can all be convenient than existing structure on the function, in the use with the displacement of stitch all around

The above is merely the schematic embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.

Claims (3)

1. electric connector, it comprises the insulating base frame with a plurality of terminal grooves and is fixedly arranged on the terminal in the said terminal groove respectively that the said terminal of stitch corresponding inserted on the socket connector is characterized in that:

Said terminal comprises a base portion and the side of these base portion both sides that link to each other; One end of at least one said side is bent to form the weld part that can match with circuit board; And establish partially to extend to form elastic arm to the side in the other end of two said sides; The terminal laterally back bending of said elastic arm is provided with a contact site, and the contact site on the two said elastic arms extends and symmetrically and be the clamping shape, has the narrow of width less than the body width of said elastic arm on the said elastic arm towards said side surface direction respectively.

2. electric connector as claimed in claim 1 is characterized in that, said narrow positions is in the joining place of contiguous said elastic arm and said side.

3. electric connector as claimed in claim 1 is characterized in that, the width of said narrow equals the thickness of said elastic arm.

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