CN201122699Y

CN201122699Y - Electric connector and its terminal

Info

Publication number: CN201122699Y
Application number: CNU2007200562220U
Authority: CN
Inventors: 金左锋
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2007-08-28
Filing date: 2007-08-28
Publication date: 2008-09-24
Anticipated expiration: 2017-08-28

Abstract

The utility model relates to an electric connector, which comprises an insulating body with a plurality of terminal holding grooves, and a plurality of electric conductive terminals held in the corresponding terminal holding grooves; the terminal comprises a main body part, an elastic arm and a firm holding part which are respectively extended outward from two relative ends of the main body part, and a welding part extended outward from the firm holding part relative to one relative end of the main body part, wherein the elastic arm is formed by extending the gradually reduced bend of the main body part, a butting part transited with the main body part is arranged on the elastic arm, and protruding parts used for mechanical gripping assembly and positioned in the insulating body are extended out from two relative sides of the butting part. The terminal is suitable for the mechanical gripping assembly, and the electric connector using the terminal has long service life and good electric property.

Description

A kind of electric connector and terminal thereof

[technical field]

The utility model relates to a kind of electric connector and terminal thereof, is fitted into the terminal of insulating body and uses the electric connector of this terminal especially for mechanical grip.

[background technology]

Be used to connect the chip of computer and the electric connector of circuit board, generally include an insulating body, and a plurality of conducting terminals that are located in insulating body.The interior method of accepting groove that conducting terminal is assemblied in insulating body has many kinds, and wherein a kind of is the mechanical grip terminal, is assembled in the insulating body from top to down.A kind of common electric connector terminal that is used for the mechanical grip assembling, its structure as shown in Figure 5 and Figure 6, weld part 42 that terminal 4 main parts 41, main part 41 opposite ends extend and elastic arm 43 are formed.Elastic arm 43 is formed by the middle part bending extension of main part 41 upper ends, makes main part 41 form two

positions

411 and 412 for mechanical grip at the end near elastic arm 43.In the electric connector course of work, when terminal 4 contacted the formation electric connection with chip with compression, the main part 41 and the elastic arm 43 of terminal 4 all produced strain, so that Elastic Contact to be provided.But, in loading process, must cause stress distribution inhomogeneous because elastic arm 43 is abrupt change of cross section transition with main part 41, generation stress is concentrated, when stressed excessive or when stress fatigue took place, the elastic arm 43 of terminal 4 will rupture, thereby has shortened the useful life of terminal 4.

For overcoming the defective of above-mentioned known technology, be necessary to design a kind of novel electric connector and terminal thereof.

[summary of the invention]

The purpose of this utility model is to provide a kind of terminal that is suitable for the mechanical grip assembling, and use this terminal, long service life, the good electric connector of electric property.

The invention provides a kind of electric connector terminal, elastic arm that comprises main part, extends by the main part opposite end and holding parts, the weld part that extends by the relative end of the relative main part of holding parts, elastic arm be main part the convergent bending extend to form, have the convergence part with the main part transition on the elastic arm, relative both sides, convergence part are extended with and are used for the protuberance that mechanical grip is fitted into insulating body.

The present invention also provides a kind of electric connector, comprises that one has the insulating body of a plurality of terminal containing slots, and a plurality of conducting terminal, is located in the corresponding terminal containing slot; Elastic arm that this terminal comprises main part, extended by the main part opposite end and holding parts, the weld part that extends by the relative end of the relative main part of holding parts, elastic arm be main part the convergent bending extend to form, have the convergence part with the main part transition on the elastic arm, relative both sides, convergence part are extended with and are used for the protuberance that mechanical grip is fitted into insulating body.

Compared with prior art, electric connector of the present utility model and terminal advantage thereof are obvious: relative both sides, electric connector terminal convergence part are extended with protuberance, are convenient to the insulating body that mechanical grip is fitted into electric connector; The terminal elastic arm be main part the convergent bending, the length of elastic arm is increased, Elastic Contact performance when having strengthened its work, and when terminal is stressed, stress is even transition between main part and elastic arm, reduce and avoided stress to concentrate, thereby prolonged the useful life of electric connector.

[description of drawings]

Fig. 1 is the vertical view of electric connector of the present utility model;

Fig. 2 is the stereogram of electric connector terminal shown in Figure 1;

Fig. 3 is the front view of electric connector terminal shown in Figure 1;

Fig. 4 is the stereogram of the electric connector terminal of second embodiment of the present utility model;

Fig. 5 is a kind of known front view that is used for the electric connector terminal of mechanical grip assembling;

Fig. 6 is the end view of electric connector terminal shown in Figure 5.

[embodiment]

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

See also shown in Figure 1ly, electric connector of the present utility model comprises an insulating body 2, has a plurality of terminal containing slots 20, and a plurality of conducting terminals 1 are located in the corresponding terminal containing slot 20.

See also shown in Figure 2, conducting terminal 1 is used to electrically connect chip (not shown) and circuit board (not shown), comprise main part 11, the holding parts 12 that extend by main part 11 upwardly extending elastic arms 14, by main part 11 downwards, the weld parts 13 that extend by holding parts 12 bending downwards.

See also shown in Figure 3ly, elastic arm 14 comprises the kink 142 and the contact site 143 that links to each other with kink 142 that turns forward and extend with the convergence part 141 of main part 11 transition, by convergence part 141.Wherein, convergence part 141 and main part 11 are in same perpendicular, and the relative both sides of convergence part 141 are extended with two

protuberances

1411 and 1412; Two protuberances and convergence part 141 are in same plane, so that mechanical grip when being fitted into insulating body to be provided.Contact site 143 colludes shape for smooth circular arc, with corresponding chip contact butt joint.The contact site 143 of 14 free terminals from main part 11 to elastic arm is extended to form by main part 11 convergent bendings.

Holding parts 12 is vertically to be extended downwards by main part 11 to form, and its width is greater than the main part width, with terminal containing slot 20 interference engagement of insulating body.Holding parts 12 is after the vertical-horizontal bending, and through vertically vertically being bent to form weld part 13, weld part 13 contacts with tin ball (not shown) again, by the melting and solidification of tin ball, forms the electric connection with circuit board (not shown).

Fig. 4 is another embodiment of the present utility model, and electric connector terminal 3 also comprises main part 31, elastic arm 34, holding parts 32 and weld part 33.Be with the different of previous embodiment: the relative both sides of convergence part 341 extended back two protuberances 3411 and 3412, promptly two protuberances 3411 and 3412 not with the convergence part in same plane; Weld part 33 is that the vertical-horizontal of holding parts 32 extends.

Conducting terminal 1 of the present utility model, 141 relative both sides, convergence part are extended with protuberance, be convenient in the insulating body that mechanical grip is fitted into electric connector, the elastic arm 14 of conducting terminal 1 be main part 11 the convergent bending extend to form, in the electric connector course of work, reduce or avoided stress to concentrate, reduced the terminal stress fatigue, thereby prolonged the useful life of electric connector; Simultaneously the length of elastic arm 14 is increased, and the Elastic Contact performance when having strengthened its work has improved the electric property of electric connector.

Claims

1. electric connector terminal, elastic arm that comprises main part, extends by the main part opposite end and holding parts, the weld part that extends by the relative end of the relative main part of holding parts, elastic arm be main part the convergent bending extend to form, it is characterized in that: have the convergence part with the main part transition on the elastic arm, relative both sides, convergence part are extended with and are used for the protuberance that mechanical grip is fitted into insulating body.

2. electric connector terminal as claimed in claim 1 is characterized in that: described convergence part and described main part are in same plane.

3. electric connector terminal as claimed in claim 1 is characterized in that: described protuberance and described convergence part are in same plane.

4. electric connector terminal as claimed in claim 1 is characterized in that: the free terminal of described elastic arm has smooth circular arc to collude the contact site of shape.

5. electric connector terminal as claimed in claim 1 is characterized in that: described weld part is that described holding parts bending extension forms.

6. an electric connector comprises that one has the insulating body of a plurality of terminal containing slots, and a plurality of conducting terminal, is located in the corresponding terminal containing slot; Elastic arm that this terminal comprises main part, extended by the main part opposite end and holding parts, the weld part that extends by the relative end of the relative main part of holding parts, elastic arm be main part the convergent bending extend to form, it is characterized in that: have the convergence part with the main part transition on the elastic arm, relative both sides, convergence part are extended with and are used for the protuberance that mechanical grip is fitted into insulating body.

7. electric connector as claimed in claim 6 is characterized in that: described convergence part and described main part are in same plane.

8. electric connector as claimed in claim 6 is characterized in that: described protuberance and described convergence part are in same plane.

9. electric connector as claimed in claim 6 is characterized in that: described protuberance and described convergence part are in same plane.

10. electric connector as claimed in claim 6 is characterized in that: the free terminal of described elastic arm has smooth circular arc to collude the contact site of shape.