CN201781096U - Electric connector terminal - Google Patents
Electric connector terminal Download PDFInfo
- Publication number
- CN201781096U CN201781096U CN2010205131980U CN201020513198U CN201781096U CN 201781096 U CN201781096 U CN 201781096U CN 2010205131980 U CN2010205131980 U CN 2010205131980U CN 201020513198 U CN201020513198 U CN 201020513198U CN 201781096 U CN201781096 U CN 201781096U
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- China
- Prior art keywords
- electric connector
- connector terminal
- terminal
- main part
- contact site
- 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 electric connector terminal, which is used for being connected with pins of a chip module, and comprises a main portion, a first lateral arm, two fixing portions, two second lateral arms and two contact portions. The first lateral arm upwardly extends from the upper end of the main portion; the two fixing portions extend from two opposite sides; the two second lateral arms forwardly extending from the two opposite sides are positioned above the two fixing portions; the two contact portions respectively inwardly extend from the corresponding second lateral arms in a bent manner; the portion, closer to the tail end of each contact portion, of the lateral surface of each contact portion far away from the main portion is relatively closer to the main portion; and an inwardly bent clamping portion formed at the tail end of each contact portion partially projects towards the main portion. As the clamping portions of the electric connector terminal partially project towards the main portion, effective contact between the terminal and the base pin is ensured. Moreover, the terminal is provided with the two fixing portions fixed to an insulating body so that an arm for elastic deformation of the terminal can be the sum of the second lateral arms and the contact portions, and accordingly sufficient elasticity of the terminal for clamping the pins is ensured.
Description
[technical field]
The utility model relates to a kind of electric connector terminal, refers to a kind of electric connector terminal of being connected with the pin of chip module of being used for especially.
[background technology]
The China's Mainland patent No. is that CN200420088695.5 has disclosed a kind of electric connector terminal, be used for being connected with the pin of chip module, it comprises a main part, the extension of described main part both sides is provided with two side arms, described two side arms is provided with contact site, two contact sites are near forming the sliding card cage of reduced width gradually between the side of described main part, the narrower place of described sliding card cage is slightly smaller than described pin width, described pin can insert from the inner broad of described sliding card cage, and is traversing to narrower place and and described termination contact.
When described terminal is fitted together mutually with insulating body, to form an electric connector, described insulating body is provided with accepting groove, and the described two side arms described accepting groove sidewall that reclines avoiding described terminal double swerve, and is fixed in described accepting groove.
The design of above-mentioned electric connector terminal helps electronic product and develops to the direction of miniaturization, densification, and is more laborsaving when being connected with chip module simultaneously, yet, still there is following defective:
1. on making, described chip module has tolerance, described terminal is contained in described accepting groove when having deviation, might cause the described pin of part well to contact with described two contact sites, and have the described pin of part to be positioned at described sliding card cage, thereby influence the normal electric connection of described chip module and described electric connector.If described chip module is passed stroke to be strengthened, well contact with described two contact sites so that be positioned at the described pin of described sliding card cage, then might cause originally and disengage forward with the described pin that described two contact sites well contact, and bump against described accepting groove sidewall, cause described pin distortion.
2. because described terminal is fixed in described accepting groove in its described two side arms described accepting groove sidewall mode that reclines, thereby make described terminal provide the arm of strain only to be described contact site, and elasticity deficiency during the described pin of described two contact site clampings.
Therefore, be necessary to design a kind of new electric connector terminal, to overcome the problems referred to above.
[utility model content]
At the variety of problems that background technology faced, the purpose of this utility model is to provide a kind of and forms effective the contact with the chip module pin, and the preferable electric connector terminal of elasticity.
To achieve these goals, adopt following technical scheme at the utility model:
A kind of electric connector terminal is characterized in that, comprising: a main part; One first side arm extends upward formation from described main part upper end; Two fixed parts extend to form from the relative both sides of described main part; 2 second side arms extend to form forward from the relative both sides of described main part, and are positioned at described two fixed parts top; Two contact sites, self-corresponding respectively described second side arm bends the formation that extends internally, each described contact site is away from the then close relatively described main part of the part of the approaching more described contact site end in side of described main part, and the terminal clamping part that bends inwards that forms of described contact site, described clamping part part is protruded towards described main part.
Compared with prior art, the utility model electric connector terminal is installed in the insulating body to form an electric connector, and be connected in order to pin with a chip module, described terminal is by forming a clamping part that bends inwards in described contact site end, and described clamping part part is protruded towards described main part, contacts with the effective of described pin to guarantee described terminal; And described terminal is provided with described two fixed parts, so that it stably is fixed in described insulating body, thereby need not the recline sidewall of described insulating body of described 2 second side arms, therefore, the summation that described terminal provides the arm of strain to can be described second side arm and described contact site, thus guarantee that described terminal has the described pin of enough resilient clamp.
Your juror can all further understanding and understanding can be arranged for ease of, now to elaborate with accompanying drawing in conjunction with the embodiments the purpose of this utility model, shape, structure, feature and effect thereof.
[description of drawings]
Fig. 1 is the structural representation of the utility model electric connector terminal;
Fig. 2 is the end view of the utility model electric connector terminal;
Fig. 3 is the partial exploded view of the utility model electric connector terminal and insulating body assembled relation;
Fig. 4 is another visual angle figure of the utility model electric connector terminal and insulating body combination;
Fig. 5 is for after the utility model electric connector terminal is assembled in insulating body, with the schematic diagram of chip module pin assembled relation;
Fig. 6 is the cut-away view along the A-A direction shown in Figure 5;
Fig. 7 is for after the utility model electric connector terminal is assembled in insulating body, with the schematic diagram after chip module contacts.
The drawing reference numeral of embodiment:
The first side wall 231 second sidewalls 232 grooves 233
Allow bit space 234 main parts 11 fixed parts 12
First side arm, 13 second side arms, 14 the first arms 141
Second arm, 142 contact sites, 15 first kinks 151
Second kink, 154 weld parts, 16 clamping limbs 161
Receiving space 5
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model electric connector terminal is described further.
See also Fig. 1 and Fig. 2, be the structural representation of the utility model electric connector terminal 1.
See also Fig. 1 to Fig. 7, the most accepting grooves 23 that are provided with in the described terminal 1 with this structure of majority is installed in an insulating body 2 are just formed an electric connector.Described electric connector is in order to be electrically connected to a chip module (not shown) on the circuit board (not icon), and wherein, described chip module (not shown) is provided with most pins 3.
Described insulating body 2 has relative a upper surface 21 and a lower surface 22, and has the most described accepting groove 23 that runs through described upper surface 21 and described lower surface 22.
Each described accepting groove 23 has two relative the first side walls 231 and 2 second sidewalls 232 that are connected with described two the first side walls 231.Each described the first side wall 231 is concaved with a groove 233, and described groove 233 runs through described lower surface 22, and contiguous described second sidewall 232 places are provided with.Each described second sidewall 232 upper end is provided with one and allows bit space 234, and the described bit space 234 that allows runs through described upper surface 21, enter for described pin 3, and the described bit space 234 that allows is communicated with adjacent described accepting groove 23 on the direct of travel of described pin 3.In the vertical direction, each described the first side wall 231 top is lower than described upper surface 21, and the bottom is higher than described lower surface 22, and each described the first side wall 231 is communicated with adjacent described accepting groove 23.Certainly, in other embodiments, each described the first side wall 231 top also can be provided with especially and be lower than described upper surface 21, and concordant with described upper surface 21.
Described terminal 1 is provided with a main part 11, and described main part 11 relative two side portions extend laterally and form two fixed parts 12, and described fixed part 12 is fastened in the corresponding described groove 233, so that described terminal 1 is fixed in described accepting groove 23.
Extend upward from described main part 11 upper ends and to form one first side arm 13, described first side arm 13 is towards described pin 3 approach axis tilt (being that described first side arm 13 tilts towards described second side arm, 14 directions).
Extend upward again forward from described main part 11 relative two side portions and to form 2 second side arms 14, described 2 second side arms 14 in described two fixed parts 12 tops.Each described second side arm 14 has an orthogonal the first arm 141 and one second arm 142, and described the first arm 141 is connected with described main part 11.
Described 2 second side arms 14 bend respectively to extend internally and form a contact site 15, and the bending place forms one first kink 151.Described two contact sites 15 certain angle that slopes inwardly.Each described contact site 15 is away from the then close relatively described main part 11 of the part of approaching more described contact site 15 ends in the side 152 of described main part 11.Form the sliding card cage 4 of reduced width gradually between the described two side faces 152, described sliding card cage 4 the narrowest places are less than the width of described pin 3, and the then contiguous described bit space 234 that allows of contiguous described contact site 15, described sliding card cage 4 the widest part is so that described pin 3 enters.
Each 152 inboard, described side can be formed with a guiding angle (not shown), and the generation type of described guiding angle (not shown) can have two kinds: a kind of for utilizing instrument further to be processed to form in 152 inboards, described side; Another kind can be when utilizing the described terminal of sheet metal moulding, form naturally during bar stock cutting by punching, and described guiding angle is because for formation naturally, without processing, so be irregular arc.
Each described contact site 15 terminal clamping part that bend inwards 153 that form, the bending place forms one second kink 154.In the vertical direction, described second kink 154 is higher than described first kink 151, and described 2 second kinks 154 are between described 2 first kinks 151.Described clamping part 153 parts are protruded towards described main part 11, to prolong the length of described clamping part 153, are beneficial to the effective of described pin 3 and contact.Certainly, in other embodiments, described clamping part 153 also can be recessed to form by described contact site 15.
Extend to form a weld part 16 downwards from described main part 11, described weld part 16 has two relative clamping limbs 161, and is positioned at described main part 11 the place aheads, the arc of described two clamping limbs 161 for protruding.Form a receiving space 5 between described two clamping limbs 161, to accommodate clamping one tin ball (not shown) in it, by melting described tin ball (not shown) described terminal 1 is welded in the correspondence position on the described circuit board (not icon).And in the vertical direction, described the first side wall 231 bottoms are higher than described clamping limb 161 top surfaces, enter so that 161 distortion of described clamping limb to be provided in the space that described the first side wall 231 and described lower surface 22 form.
During assembling, see also Fig. 3 and Fig. 4, with described terminal 1 from described lower surface 22 in described upper surface 21 is upwards packed described accepting groove 23 into, make described fixed part 12 be fastened in described groove 233, described first side arm 13 is positioned at adjacent described bit space 234 1 sides that allow, described two contact sites, 15 contiguous described upper surfaces 21, described weld part 16 contiguous described lower surfaces 22, and in the vertical direction, described two clamping limbs 161 are higher than described the first side wall 231, and have the gap between described second side arm 14 and described contact site 15 and the described the first side wall 231.So far, finish the assembling of described electric connector.
When described chip module (not shown) is installed on the described electric connector, described pin 3 enters the described bit space 234 that allows, and part is positioned at described sliding card cage 4 the widest part, then advance by the described pin 3 of described sliding card cage 4 guidings, enter between described two contact sites 15, so that the described pin 3 of described two clamping parts 153 clampings electrically connects thereby form, and described pin 3 blocks avoid described pin 3 to advance excessively forward in described first side arm 13.
In sum, the utility model electric connector terminal has following beneficial effect:
1. on making, described chip module (not shown) has tolerance, described terminal is contained in described accepting groove when having deviation, might cause the described pin of part well to contact with described two clamping parts, and have the described pin of part to be positioned at described sliding card cage, because the terminal described clamping part that bends inwards that forms of described contact site, described clamping part part is protruded towards described main part, therefore, only need strengthen the passing stroke of described chip module a little, can guarantee effective contact of described terminal and corresponding described pin in the described electric connector, and described first side arm can prevent described pin passing excessively, and the situation that also causes with regard to not taking place described pin to bump against described accepting groove sidewall being out of shape takes place.
2. described terminal is provided with described two fixed parts, so that it stably is fixed in described accepting groove, thereby need not the described 2 second side arms described accepting groove sidewall that reclines, therefore, the summation that described terminal provides the arm of strain to can be described second side arm and described contact site, thus guarantee that described terminal has the described pin of enough resilient clamp.
Since described contact site away from the part of the approaching more described contact site end in described side of described main part then relatively near described main part, and form the diminishing described sliding card cage of width between the described two side faces, therefore, described terminal need not to establish in addition guiding structural, and the described sliding card cage by forming between the described two side faces, can guide described pin and enter between described two contact sites, make the described pin of described two clamping part clampings.
4. be formed with described guiding angle owing to inboard, described side, thereby avoid damaging described pin.
Above-mentioned explanation is the detailed description at the preferable possible embodiments of the utility model, but embodiment is not in order to limit patent claim of the present utility model, equal variation that the technical spirit that all the utility model disclosed is finished down or modification change all should belong to claim that the utility model is contained.
Claims (10)
1. an electric connector terminal is characterized in that, comprising:
One main part;
One first side arm extends upward formation from described main part upper end;
Two fixed parts extend to form from the relative both sides of described main part;
2 second side arms extend to form forward from the relative both sides of described main part, and are positioned at described two fixed parts top;
Two contact sites, self-corresponding respectively described second side arm bends the formation that extends internally, each described contact site is away from the then close relatively described main part of the part of the approaching more described contact site end in side of described main part, and the terminal clamping part that bends inwards that forms of described contact site, described clamping part part is protruded towards described main part.
2. electric connector terminal as claimed in claim 1, it is characterized in that: described second side arm is bent to form described contact site place, form one first kink, it is one second kink that described contact site end is bent to form described clamping part place, described second kink is higher than described first kink, and described 2 second bending parts are between described 2 first kinks.
3. electric connector terminal as claimed in claim 1 is characterized in that: inboard, described side is formed with a guiding angle.
4. electric connector terminal as claimed in claim 3 is characterized in that: described guiding angle further is processed to form.
5. electric connector terminal as claimed in claim 3 is characterized in that: described guiding angle is formed naturally by the bar stock cutting by punching mode, and is irregular arc.
6. electric connector terminal as claimed in claim 1 is characterized in that: form the sliding card cage of reduced width gradually between the described two side faces, the contiguous described contact site in the narrowest place of described sliding card cage.
7. electric connector terminal as claimed in claim 1 is characterized in that: the described two contact sites certain angle that slopes inwardly.
8. electric connector terminal as claimed in claim 1 is characterized in that: described first side arm is obliquely installed towards the described second side arm direction.
9. electric connector terminal as claimed in claim 1 is characterized in that: described clamping part is recessed to form by described contact site.
10. electric connector terminal as claimed in claim 1 is characterized in that: described main part extends to form a weld part downwards, and described weld part has two relative clamping limbs, and is positioned at described main part the place ahead, the arc of described clamping limb for protruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205131980U CN201781096U (en) | 2010-08-24 | 2010-08-24 | Electric connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205131980U CN201781096U (en) | 2010-08-24 | 2010-08-24 | Electric connector terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781096U true CN201781096U (en) | 2011-03-30 |
Family
ID=43794301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205131980U Expired - Lifetime CN201781096U (en) | 2010-08-24 | 2010-08-24 | Electric connector terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201781096U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10062982B2 (en) | 2017-01-14 | 2018-08-28 | Lotes Co., Ltd | Electrical connector capable of reducing pre-soldering step |
| CN108832335A (en) * | 2018-05-31 | 2018-11-16 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109066151A (en) * | 2018-07-10 | 2018-12-21 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109256631A (en) * | 2017-07-12 | 2019-01-22 | 莫列斯有限公司 | electric contact terminal |
| CN110277674A (en) * | 2018-06-12 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
-
2010
- 2010-08-24 CN CN2010205131980U patent/CN201781096U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10062982B2 (en) | 2017-01-14 | 2018-08-28 | Lotes Co., Ltd | Electrical connector capable of reducing pre-soldering step |
| CN109256631A (en) * | 2017-07-12 | 2019-01-22 | 莫列斯有限公司 | electric contact terminal |
| CN108832335A (en) * | 2018-05-31 | 2018-11-16 | 番禺得意精密电子工业有限公司 | Electric connector |
| US10601157B2 (en) | 2018-05-31 | 2020-03-24 | Lotes Co., Ltd | Electrical connector |
| CN110277674A (en) * | 2018-06-12 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109066151A (en) * | 2018-07-10 | 2018-12-21 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109066151B (en) * | 2018-07-10 | 2020-06-09 | 番禺得意精密电子工业有限公司 | Electrical connector |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |