CN202103219U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN202103219U CN202103219U CN2011201659944U CN201120165994U CN202103219U CN 202103219 U CN202103219 U CN 202103219U CN 2011201659944 U CN2011201659944 U CN 2011201659944U CN 201120165994 U CN201120165994 U CN 201120165994U CN 202103219 U CN202103219 U CN 202103219U
- Authority
- CN
- China
- Prior art keywords
- substrate
- adjutage
- electric connector
- contact arm
- chip module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides an electrical connector, which is used for allowing a chip module to be jointed in a compression manner. The electrical connector comprises an insulating body and a plurality of terminals, wherein a plurality of accommodating holes are formed on the insulating body in a penetrating manner; and the plurality of the terminals are accommodated in the accommodating holes correspondingly. Each of the terminals is provided with a substrate fixedly arranged in the accommodating holes, and at least one bent extension arm, wherein the extension arms, with one side of each connected with the substrate, are formed by bending and extending upwardly and then downwardly; a contact arm is laterally connected to the other sides of the extension arms, and bends from one side that the extension arms are far away from a base part to the direction far away from the extension arms; and the contact arm is provided with a contact part upwardly connected with the chip module, and the contact part is higher than the substrate and is exposed out of the accommodating holes. In the electrical connector provided by the utility model, when the chip module is downwardly jointed with the contact part in a compression manner, the contact arm deviates downwardly, and the extension arms deform in the direction close to the substrate at the same time, so that the elasticity of the terminals is optimized and the miniaturized development of a product is facilitated.
Description
[technical field]
The utility model relates to a kind of electric connector, refers to a kind of in order to electrically connect the electric connector on chip module to a circuit board especially.
[background technology]
Industry generally electrically connects chip module 3a to a circuit board (not shown) with an electric connector at present.The terminal that is used to conduct electricity in the said electric connector then for common metal sheet material (like copper material etc.) directly punching press form, or after punching press, be bent to form.
A kind of electric connector; See also accompanying drawing 7 and accompanying drawing 8, it has an insulating body 1a, and said insulating body 1a has provided a plurality of terminal containing slot 11a; A plurality of terminal 2a correspondence respectively are fixedly arranged in a plurality of said terminal containing slot 11a; Each said terminal 2a has a substrate 21a and is fixed in the said terminal containing slot 11a, and a contact arm 22a is positioned at the side of said substrate 21a, and said contact arm 22a has a contact site 221a and upwards connects said chip module 3a; Said contact site 221a is higher than said substrate 21a and is revealed in said terminal containing slot 11a; Sweeping at least one adjutage 23a, the side side direction of said adjutage 23a is connected to said contact arm 22a mutually, and opposite side and said substrate 21a join; Said adjutage 23a and said substrate 21a connection are defined as the first fulcrum x; Said adjutage 23a and said contact arm 22a connection are defined as the second fulcrum y; The said second fulcrum y is higher than said adjutage 23a minimum point; When the said contact site 221a of the downward crimping of said chip module 3a; Said contact arm 22a and said adjutage 23a are that deformation point is out of shape said adjutage 23a downwards with the said first fulcrum x, are that deformation point makes said contact arm 22a and the said relatively substrate 21a skew of said adjutage 23a with the said second fulcrum y simultaneously.
Yet; The opposite side of the 23a of adjutage described in the said structure directly upwards connects said substrate 21a; From accompanying drawing 8, can find out; Said adjutage 23a punctures formation under the side direction of said substrate 21a, when the said contact site 221a of the downward crimping of said chip module 3a, the elasticity of said adjutage 23a is not good.
In addition, because the said relatively substrate 21a skew of said contact arm 22a and said adjutage 23a, so the distortion that said terminal containing slot 11a need provide other space to be installed with said adjutage 23a more so is unfavorable for product miniaturization development.
[utility model content]
To the problem that background technology faced, the purpose of the utility model is to provide a kind of electric connector of optimizing terminal elasticity and being beneficial to the product miniaturization.
To achieve these goals, the utility model can be realized through such mode, and a kind of electric connector is used for a chip module crimping, and it comprises an insulating body, and it has provided a plurality of accepting holes; A plurality of terminals; Correspondence is located in a plurality of said accepting holes, and each said terminal has a substrate and is fixedly arranged on said accepting hole, sweeping at least one adjutage; Said adjutage is upwards to bend downwards more earlier to extend to form; And one of which side and said substrate join, and a contact arm side direction is connected to the opposite side of said adjutage mutually, and said contact arm is to be bent to form towards the direction away from said adjutage from the side of said adjutage away from said base portion; Said contact arm has a contact site and upwards connects said chip module, and said contact site is higher than said substrate and is revealed in said accepting hole; When the said contact site of the downward crimping of said chip module, said contact arm squints downwards, and simultaneously said adjutage is towards the direction distortion near said substrate.
Compared with prior art; In the utility model electric connector, the said adjutage of said terminal be earlier upwards again bending downwards extend to form, and one of which side and said substrate join; So when the said contact site of the downward crimping of said chip module, the elasticity of said adjutage is good.
In addition; Because during the said contact site of the downward crimping of said chip module; Said contact arm squints downwards; Simultaneously said adjutage is towards the direction distortion near said substrate, so the space that said accepting hole does not need to provide other again is installed with the distortion of said adjutage, so helps product miniaturization development.
Purpose, shape, structure, characteristic and effect thereof for ease of to the utility model all can have further understanding and understanding, combine embodiment and accompanying drawing to elaborate at present.
[description of drawings]
Fig. 1 is the stereogram of terminal in the utility model electric connector;
Fig. 2 is the stereogram of another angle of terminal in the utility model electric connector;
Fig. 3 is the rearview of Fig. 2;
Fig. 4 is the partial exploded view after the utility model electric connector assembling;
Fig. 5 is the end view behind the installation chip module on the utility model electric connector;
Fig. 6 is the sketch map of the downward crimping contact site of the utility model electric connector chips module;
Fig. 7 is the combination sketch map of existing electric connector;
Fig. 8 is the sketch map of terminal in the existing electric connector.
The drawing reference numeral explanation of background technology:
Insulating body 1a terminal containing slot 11a terminal 2a
The adjutage 23a chip module 3a first fulcrum x
The second fulcrum y
The drawing reference numeral explanation of the utility model:
Contact arm 12 contact sites 121 breach 13
Adjutage 14 weld parts 15 openings 16
Inclined plane 17 insulating bodies, 2 accepting holes 21
Tin ball 3 chip modules 4
[embodiment]
Purpose, structure, characteristic and effect etc. for ease of better understanding the utility model combine accompanying drawing and embodiment that the utility model is described further at present.
See also Fig. 1 to Fig. 3, the utility model electric connector is in order to be electrically connected to a chip module 4 on the circuit board (not shown).Each said terminal 1 has a substrate 11 and is positioned at a contact arm 12 of said substrate 11 1 sides, and said substrate 11 offers a breach 13.The said substrate 11 of said breach 13 both sides is defined as fixed part 111, and effect is used to fix.
Extend to form an adjutage 14 by the upwards downward more earlier respectively bending in the both sides in the said breach 13, said two adjutages, 14 opposed facing side side direction are connected to said contact arm 12 mutually, and said two adjutages 14 are linked into an integrated entity with said contact arm 12.Said two adjutages 14 are bending, and said two adjutages 14 are positioned at outside the said breach 13, and between said two fixed parts 111.In the present embodiment, said two adjutages 14 are upwards bent downwards more earlier by said substrate 11 and extend to form, so it is better to compare the adjutage elasticity that punctures formation in the background technology.
The lower end of two relative medial surfaces of said breach 13 is respectively equipped with an inclined plane 17; And said two inclined planes 17 are gradually far setting downwards; Make that said terminal 1 is difficult for being taken out of chip by the mould punching pin when bearing the punching press of mould punching pin, to reduce the generation of metal fillings.
Said two adjutages 14 are symmetrical set, and so-called symmetry is that said two adjutages 14 have equal height, equal wide cut and equal lengths.Like this, can make that when said terminal 1 received the downforce of said chip module 4, said contact arm 12 was in stability.
Said contact arm 12 is to be bent to form towards the direction away from said adjutage 14 from the side of said adjutage 14 away from said base portion 11; And said contact arm 12 is in the middle of said two adjutages 14, to tell; And the said substrate 11 of relative depature; Make said substrate 11 formation slits, said slit is communicated with said breach 13, and said substrate 11 upper ends that are arranged so that in said slit are broken into left and right sides two parts; That is make said two adjutages 14 be positioned at both sides, said slit, and the width of said contact arm 12 equates with spacing between said two adjutages 14.Said contact arm 12 leans on the end to be bent to form the said chip module 4 of a contact site 121 confessions towards the direction away from said adjutage 14 and connects, and said contact site 121 is higher than said substrate 11.Said contact arm 12 and said two adjutages 14 are positioned at the same side of said substrate 11, and said two adjutages 14 are between said contact arm 12 and said substrate 11.
By said substrate 11 to extending below a weld part 15, said weld part 15 and said substrate 11 coplanes.The wide cut of said weld part 15 is less than the wide cut of said substrate 11.Said weld part 15 offers an opening 16, and said opening 16 is connected with said breach 13.
See also Fig. 4 to Fig. 7, use a plurality of above-mentioned said terminals 1, add a said insulating body 2 and a plurality of said tin ball 3, then form the electric connector of the utility model.Provide a plurality of accepting holes 21 on the said insulating body 2, be provided with two relative holddown grooves 211 in the said accepting hole 21, established the said fixed part 111 of fixing said substrate 11 both sides with the correspondence card.The corresponding said contact arm 12 in said accepting hole 21 upper ends is concaved with a slot to make way 212, to hold said contact arm 12 and the space of said contact arm 12 strains is provided.Can contact with said chip module 4 on 121 said accepting holes 21 of protrusion of said contact site.Said accepting hole 21 is concaved with an accommodation space 213 in the lower end, holding said tin ball 3, and a side of said tin ball 3 is against the opening 16 of said weld part 15, and opposite side is against the sidewall of said accommodation space 213.The said accepting hole of said tin ball 3 protrusions 21 belows are to such an extent as to be welded to said circuit board with said terminal 1.
During assembling; Can be with reference to Fig. 4 and Fig. 5; With each said terminal 1 in said insulating body 2 is from top to bottom packed corresponding said accepting hole 21 one by one into; Make the said fixed part 111 of said substrate 11 both sides snap in corresponding said holddown groove 211, and said contact site 121 expose said insulating body 2 tops; Make said contact arm 12 be positioned at said slot to make way 212.With each said tin ball 3 in said insulating body 2 is from bottom to top packed the said accommodation space 213 of corresponding said accepting hole 21 one by one into; Make a side of said tin ball 3 against the said opening 16 of said weld part 15, opposite side is against the sidewall of said accommodation space 213; Make said tin ball 3 protrude said insulating body 2 belows.So far, accomplish the assembling of said electric connector.
See also Fig. 6 to Fig. 7; Said electric connector is soldered on the said circuit board through said weld part 15, and said chip module 4 is crimped on the said electric connector, when the said contact site 121 of said chip module 4 crimping; Said contact arm 12 produces elastic deformation and squints downwards; Impel said two adjutages 14 towards direction distortion,, so help product miniaturization development so the space that said accepting hole 21 does not need to provide other again is installed with the distortion of said adjutage 14 near said substrate 11.
In sum, the utility model electric connector has following beneficial effect:
The said adjutage of said terminal be earlier upwards again bending downwards extend to form, and one of which side and said substrate join, so when the said contact site of the downward crimping of said chip module, the elasticity of said adjutage is good.
2. said terminal is the plate stamping bending forming; When said terminal is launched into a tabular; Said adjutage utilizes the material punching press bending in the middle of the said substrate to form; Said contact arm is told in the middle of said adjutage, is the material that has utilized said adjutage, so saved the cost of material and then reduction product.
3. the lower end of two of said breach relative medial surfaces is respectively equipped with an inclined plane; And said two inclined planes are gradually far setting downwards; Make that terminal is difficult for being taken out of chip by the mould punching pin when bearing the punching press of mould punching pin; Reducing the generation of metal fillings, and then reduce the mold repair rate, thereby enhance productivity and improve the product precision.
4. during the said contact site of the downward crimping of said chip module; Said contact arm squints downwards; Simultaneously said adjutage is towards the direction distortion near said substrate, so the space that said accepting hole does not need to provide other again is installed with the distortion of said adjutage, so helps product miniaturization development.
More than specify the explanation of the preferred embodiment that is merely the utility model; Non-thus the limitation the utility model claim; So the equivalence techniques that all this creation of utilization specifications and diagramatic content are done changes, and all is contained in the claim of the utility model.
Claims (10)
1. an electric connector is used for a chip module crimping, it is characterized in that, comprising:
One insulating body, it has provided a plurality of accepting holes;
A plurality of terminals; Correspondence is located in a plurality of said accepting holes, and each said terminal has a substrate and is fixedly arranged on said accepting hole, sweeping at least one adjutage; Said adjutage is upwards to bend downwards more earlier to extend to form; And one of which side and said substrate join, and a contact arm side direction is connected to the opposite side of said adjutage mutually, and said contact arm is to be bent to form towards the direction away from said adjutage from the side of said adjutage away from said base portion; Said contact arm has a contact site and upwards connects said chip module, and said contact site is higher than said substrate and is revealed in said accepting hole;
When the said contact site of the downward crimping of said chip module, said contact arm squints downwards, and simultaneously said adjutage is towards the direction distortion near said substrate.
2. electric connector as claimed in claim 1 is characterized in that: said substrate is provided with a breach, and the lateral buckling in the said breach extends to form said adjutage.
3. electric connector as claimed in claim 2 is characterized in that: the both sides in said breach bend respectively and have extended to form two said adjutages, and said contact arm is connected between said two adjutages.
4. electric connector as claimed in claim 3 is characterized in that: said two adjutages are symmetrical set.
5. electric connector as claimed in claim 3 is characterized in that: the width of said contact arm equates with spacing between said two adjutages.
6. electric connector as claimed in claim 2 is characterized in that: the lower end of two relative medial surfaces of said breach is respectively equipped with an inclined plane, and said two inclined planes are gradually far setting downwards.
7. electric connector as claimed in claim 1 is characterized in that: said substrate is to extending below a weld part, and said weld part is provided with an opening.
8. electric connector as claimed in claim 1 is characterized in that: said substrate both sides are respectively equipped with a fixed part, are provided with two holddown grooves that corresponding card is established said two fixed parts in the said accepting groove.
9. electric connector as claimed in claim 1 is characterized in that: said contact site is bent to form towards the direction away from said adjutage by said contact arm.
10. electric connector as claimed in claim 1 is characterized in that: said adjutage and said contact arm all are positioned at the homonymy of said substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201659944U CN202103219U (en) | 2011-05-20 | 2011-05-20 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201659944U CN202103219U (en) | 2011-05-20 | 2011-05-20 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103219U true CN202103219U (en) | 2012-01-04 |
Family
ID=45389218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201659944U Expired - Lifetime CN202103219U (en) | 2011-05-20 | 2011-05-20 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317150A (en) * | 2017-04-28 | 2017-11-03 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN110854581A (en) * | 2019-10-12 | 2020-02-28 | 番禺得意精密电子工业有限公司 | Terminal with a terminal body |
-
2011
- 2011-05-20 CN CN2011201659944U patent/CN202103219U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317150A (en) * | 2017-04-28 | 2017-11-03 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN110854581A (en) * | 2019-10-12 | 2020-02-28 | 番禺得意精密电子工业有限公司 | Terminal with a terminal body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |