CN103579807A - Terminal, electric connector and electric connecting device - Google Patents
Terminal, electric connector and electric connecting device Download PDFInfo
- Publication number
- CN103579807A CN103579807A CN201210271647.9A CN201210271647A CN103579807A CN 103579807 A CN103579807 A CN 103579807A CN 201210271647 A CN201210271647 A CN 201210271647A CN 103579807 A CN103579807 A CN 103579807A
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- China
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- terminal
- fixed part
- elastic arm
- pin portion
- front side
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Abstract
The invention provides a terminal, an electric connector and an electric connecting device. The electric connecting device comprises a circuit board and the electric connector. The electric connector comprises an insulation body and a plurality of terminals. The front side of the insulation body protrudes out of one board edge of the circuit board. The terminals are arranged in two rows. Each terminal comprise a fixed portion, a pin portion extending in the first direction from one side of the fixed portion, a bent portion which extends from the side, opposite to the pin portion, of the fixed portion and is reversely bent, an elastic arm and a contact portion, wherein the elastic arm obliquely extends from the tail end of the bent portion and deflects towards the front side, an acute angle is formed between the first direction and the elastic arm, and the contact portion extends from the tail end of the elastic arm. The fixed portions, the pin portions and the bent portions of the terminals are located on the circuit board. For at least one terminal which is closest to the front side, the elastic arm of the terminal protrudes out of the board edge of the circuit board, and the contact portion is located outside the board edge.
Description
Technical field
The present invention relates to a kind of terminal, electric connector and arrangements of electric connection, particularly a kind of in order to be electrically connected to terminal, electric connector and the arrangements of electric connection of an electronic cards.
Background technology
Existing device for mobile communication need to be provided by communication network that subscriber identify module card (hereinafter to be referred as SIM card) could be used telecommunication dealer to provide conventionally.Install for the convenience of the users or change SIM card, the existing design that the entrance of the slot of plant SIM card is opened in to the side of shell, so can allow user need not open shell and can install or change SIM card in recent years.
Yet, while arranging in the enclosure due to the circuit board of general device for mobile communication, circuit board can be near shell, its edges of boards and shell all can have some spacing, and existing in order to be electrically connected to edges of boards that the electric connector of SIM card is generally all located at circuit board with interior scope, so make electric connector and the slot entrance being positioned on shell can produce larger spacing.The less SIM card of difficulty, especially size that this spacing easily causes SIM card to install, for example small-sized SIM card (Mini SIM) and miniature SIM card (Micro SIM).Because the limited length of SIM card, if the terminal distance slot entrance of electric connector is far away, SIM card need to be goed deep into slot just can make the termination contact of its contact pad and electric connector.If SIM card need be submerged, in slot, be not easy to be inserted to location, be also not easy to be extracted.
Summary of the invention
Therefore, object of the present invention, is to provide a kind of and has the terminal that better supporting construction makes the outer distance with shortening and shell of the extended circuit board of its contact site, and electric connector and the arrangements of electric connection with aforementioned terminal.
According to one embodiment of the present invention, arrangements of electric connection comprises the electric connector that a circuit board and is arranged at this circuit board.This electric connector comprises an insulating body and a plurality of terminal.This insulating body extends and is longitudinal along a length direction, and has a front side, a rear side in contrast to this front side perpendicular to this length direction, and a plurality of terminal mounting groove.This front side protrudes out edges of boards of this circuit board.Described a plurality of terminal mounting groove is two rows along the both sides of parallel this length direction respectively and is arranged with in this insulating body, and the terminal mounting groove that is positioned at both sides is arranged symmetrically.The described a plurality of terminal respectively setting of corresponding described a plurality of terminal mounting groove and the terminal that is positioned at both sides is mirror image and is symmetrical arranged.Each terminal comprises that one is fixed on fixed part, a pin portion, a bend, an elastic arm and the contact site in this corresponding terminal mounting groove.This pin portion is fixedly welded on this circuit board, by a side of this fixed part, along the first direction at horizontal plane, is extended, and this first direction is vertical with this length direction.This bend extends also back-flexing by this fixed part in contrast to a side of this pin portion makes its end towards this pin portion beyond.This elastic arm is tilted to extend towards the direction away from this fixed part gradually by this bend end, and this elastic arm is toward this front side deflection and in the bearing of trend of the projection of horizontal plane and the angle that this first direction presss from both sides an acute angle.This contact site is extended by this elastic arm end.The fixed part of described a plurality of terminals, pin portion, crooked position are on this circuit board, and wherein the elastic arm of the pair of terminal of close this front side partly protrudes out these edges of boards of this circuit board and contact site outside these edges of boards at least.
Wherein, each terminal mounting groove has the socket that the Ji Yiyougai of Yi Cao our department groove our department extends, the fixed part of this accommodating corresponding terminal in socket close-fitting ground.The fixed part of each terminal has that a plurality of this second direction is parallel with this length direction respectively by two opposite sides the protruding thorn that protrudes along a second direction, and described a plurality of protruding thorns are fixed with the inwall interference of defining corresponding socket.
Wherein, this insulating body also has two stop sections, and corresponding this below of contact site to terminal of the most close this front side of described a plurality of terminal that is arranged in respectively, with a plurality of contact sites described in block.
Wherein, this angle is 45 degree.This pin portion is that tabular is for surface soldered.This elastic arm has a ribs of one extrusion molding.This contact site is dome-shaped.
Effect of the present invention: the design of structure and electric connector by terminal, can make the part of electric connector protrude out the edges of boards of circuit board, thereby in arrangements of electric connection is arranged on a shell time, can shorten the distance of contact site and the shell side of terminal.In addition, the bend of all terminals, fixed part and pin portion are all positioned at the scope of circuit board, the suffered pressure of terminal can be supported by circuit board and insulating body, can guarantee the holding capacity of electric connector and can not make insulating body be positioned at part collapse unsettled outside the edges of boards of circuit board to split.
Accompanying drawing explanation
Fig. 1 is a stereogram, and a preferred embodiment of arrangements of electric connection of the present invention is described;
Fig. 2 is another angular views of Fig. 1;
Fig. 3 is a three-dimensional exploded view, and an insulating body and a plurality of terminal of this preferred embodiment is described;
Fig. 4 is the view of a similar Fig. 2, and wherein the insulating body of this preferred embodiment is not shown;
Fig. 5 is a vertical view, and the terminal of this preferred embodiment is described;
Fig. 6 is a vertical view, and this preferred embodiment is described;
Fig. 7 is one along cutaway view that in Fig. 6, VII-VII straight line is got; And
Fig. 8 is an end view, and the interactively of this preferred embodiment and an electronic cards is described.
Wherein, description of reference numerals is as follows:
1 circuit board
11 edges of boards
2 electric connectors
3 insulating bodies
31 front sides
32 rear sides
33 terminal mounting grooves
331Cao our department
332 sockets
34 stop sections
4 terminals
41 fixed parts
411 protruding thorns
42 pin portions
43 bends
44 elastic arms
441 ribs
45 contact sites
8 electronic cards
81 contact pads
Embodiment
About aforementioned and other technology contents, feature and effect of the present invention, in the detailed description in following cooperation with reference to a preferred embodiment of accompanying drawing, can clearly present.
Consult Fig. 1 to Fig. 3, a preferred embodiment of arrangements of electric connection of the present invention comprises the electric connector 2 that a circuit board 1 and is arranged at this circuit board 1.This electric connector 2 comprises an insulating body 3 and a plurality of terminal 4.
Consult Fig. 2 to Fig. 4, a plurality of terminals 4 respectively corresponding a plurality of terminal mounting groove 33 arrange and the terminal 4 that is positioned at both sides is mirror image and is symmetrical arranged.Another cooperation consulted Fig. 5 to Fig. 7, and each terminal 4 comprises a fixed part 41, a pin portion 42, a bend 43, an elastic arm 44 and a contact site 45.This fixed part 41 has a plurality of respectively by two opposite sides the protruding thorn 411 that protrudes along a second direction II.At the present embodiment, respectively there is a protruding thorn 411 both sides of fixed part 41, and in addition, at the present embodiment, this second direction II is parallel with this length direction L, that is this second direction II and this length direction L are same direction.This fixed part 41 is fixed in this corresponding terminal mounting groove 33, is specially close-fitting and is placed in socket 332 (consulting Fig. 8), and two protruding thorns 411 are interfered fixing with the inwall that defines corresponding socket 332.This pin portion 42 is extended at a first direction I of horizontal plane by a side edge of this fixed part 41, and this first direction I is vertical with this length direction L, and this first direction I is also vertical with this second direction II.At the present embodiment, this pin portion 42 is tabular, in surface soldered mode, is fixedly welded on this circuit board 1.This bend 43 extends also back-flexing by this fixed part 41 in contrast to a side of this pin portion 42 makes its end towards these pin portion 42 beyonds, i.e. roughly c-shaped bending of this bend 43.This bend 43 can strain so that this elastic force that elastic arm 44 resets to be provided.This elastic arm 44 is tilted to extend away from the direction of this fixed part 41 by these bend 43 ends courts gradually, and this elastic arm 44 is toward these front side 31 deflections and in the bearing of trend III of the projection of horizontal plane and the angle [alpha] 1 that length direction L (being second direction II) presss from both sides an acute angle, and the angle [alpha] 2 of pressing from both sides an acute angle with this first direction I, that is to say that angle [alpha] 1 and angle [alpha] 2 sums are the angle of length direction L (being second direction II) and first direction I, are 90 degree.At the present embodiment, this angle [alpha] 1 is 45 degree, and this angle [alpha] 2 is also 45 degree.In addition, this elastic arm 44 has a ribs 441 of one extrusion molding, to strengthen the intensity of this elastic arm 44.This contact site 45 is extended by these elastic arm 44 ends, and at the present embodiment, this contact site 45 is dome-shaped.
Consult Fig. 1, Fig. 4, Fig. 6 and Fig. 8, at the present embodiment, the fixed part 41 of a plurality of terminals 4, pin portion 42, bend 43 are positioned on this circuit board 1, in the scope of circuit board 1.And these edges of boards 11 and contact site 45 that in a plurality of terminals 4, elastic arm 44 parts of the pair of terminal 4 of the most close this front side 31 protrude out this circuit board 1 are positioned at outside these edges of boards 11.This insulating body 3 also has two stop sections 34, and corresponding these contact site 45 belows to terminal 4 that are arranged in a plurality of terminals 4 the most close these front sides 31 respectively, with at contact site 45 is stressed while moving down a plurality of contact sites 45 of block, avoid a plurality of contact sites 45 excessively to move down.As shown in Figure 8, the present embodiment can be arranged in the shell (not icon) of a device for mobile communication, and the edges of boards 11 of circuit board 1 are near the side of shell and be spaced a distance, for one for example the electronic cards 8 of SIM card be electrically connected to.Elastic arm 44 by a plurality of terminals 4 is toward these front side 31 deflections, relatedly make a plurality of contact sites 45 contact site 45 to terminal 4 is positioned at outside these edges of boards 11 toward this of these front side 31 deflections and the most close front side 31, can shorten the distance of contact site 45 with the shell side of terminal 4, that is, electronic cards 8 can be shortened and the length in shell need to be entered.In other words, because the whole side deflection toward shells of a plurality of contact sites 45 shortens the distance with shell side, make the shorter electronic cards of length 8, such as small-sized SIM card, miniature SIM card etc., can reduce the length stretching in shell, be conducive to the plug operation of electronic cards 8.
Moreover, because bend 43, fixed part 41 and the pin portion 42 of all terminals 4 is all positioned at the scope of circuit board 1, when contacting, the contact site 45 of terminal 4 and the contact pad 81 of electronic cards 8 form while being electrically connected to, the pressure of the suffered electronic cards 8 of terminal 4 can be supported by circuit board 1 and insulating body 3, can guarantee the holding capacity of electric connector 2 and can not make insulating body 3 be positioned at part collapse unsettled outside edges of boards 11 to split.In addition, the contact site 45 of terminal 4 be dome-shaped guarantee contact site 45 can with 81 contacts of corresponding contact pad.
In sum, the design of the structure of the present embodiment terminal 4 and electric connector 2, can make the part of electric connector 2 protrude out the edges of boards 11 of circuit board 1, thereby can shorten the distance of contact site 45 with the shell side of terminal 4, that is, can shorten electronic cards 8 and need to enter the length in shell, to facilitate, install or replacing electronic card 8.In addition, the bend 43 of all terminals 4, fixed part 41 and pin portion 42 are all positioned at the scope of circuit board 1, the pressure of the suffered electronic cards 8 of terminal 4 can be supported by circuit board 1 and insulating body 3, can guarantee the holding capacity of electric connector 2 and can not make insulating body 3 be positioned at part collapse unsettled outside edges of boards 11 to split.
Yet, the above, be only preferred embodiment of the present invention, when not limiting with this scope of the claims in the present invention, be that all simple equivalences of doing according to the present patent application claim scope and invention description content change and revise, all still belong in the scope that the claims in the present invention contain.
Claims (24)
1. a terminal, comprising:
One fixed part;
One pin portion, is extended along the first direction at horizontal plane by a side of this fixed part;
One bend, extends also back-flexing by this fixed part in contrast to a side of this pin portion and makes its end towards this pin portion beyond;
One elastic arm, is tilted to extend towards the direction away from this fixed part gradually by this bend end, and this elastic arm angle of pressing from both sides an acute angle at bearing of trend and this first direction of the projection of horizontal plane; And
One contact site, is extended by this elastic arm end.
2. terminal according to claim 1, wherein, this angle is 45 degree.
3. terminal according to claim 1, wherein, this fixed part has a plurality of respectively by two opposite sides the protruding thorn that protrudes along a second direction, and this second direction is vertical with this first direction.
4. terminal according to claim 1, wherein, this pin portion is that tabular is for surface soldered.
5. terminal according to claim 1, wherein, this elastic arm has a ribs of one extrusion molding.
6. terminal according to claim 1, wherein, this contact site is dome-shaped.
7. an electric connector, comprises:
One insulating body, along a length direction, extend and be longitudinal, and there is a front side, the rear side in contrast to this front side perpendicular to this length direction, and a plurality of terminal mounting grooves, described a plurality of terminal mounting groove is two rows along the both sides of parallel this length direction respectively and is arranged with in this insulating body, and the terminal mounting groove that is positioned at both sides is arranged symmetrically; And
A plurality of terminals, the setting of corresponding described a plurality of terminal mounting groove and the terminal that is positioned at both sides are mirror image and are symmetrical arranged respectively, and each terminal comprises:
One fixed part, is fixed in this corresponding terminal mounting groove,
One pin portion, is extended along the first direction at horizontal plane by a side of this fixed part,
One bend, extends also back-flexing by this fixed part in contrast to a side of this pin portion and makes its end towards this pin portion beyond,
One elastic arm, is tilted to extend away from the direction of this fixed part by this bend end court gradually,
And this elastic arm is toward this front side deflection and in the bearing of trend of the projection of horizontal plane and the angle that this length direction presss from both sides an acute angle, and
One contact site, is extended by this elastic arm end.
8. electric connector according to claim 7, wherein, each terminal mounting groove has the socket that the Ji Yiyougai of Yi Cao our department groove our department extends, the fixed part of this accommodating corresponding terminal in socket close-fitting ground.
9. electric connector according to claim 8, wherein, the fixed part of each terminal has a plurality of protruding thorns that protruded by two opposite sides respectively, and described a plurality of protruding thorns are interfered fixing with the inwall that defines corresponding socket.
10. electric connector according to claim 7, wherein, this insulating body also has two stop sections, and the corresponding contact site below of the pair of terminal of close this front side of described a plurality of terminal that is arranged in respectively, with a plurality of contact sites described in block.
11. electric connectors according to claim 7, wherein, this angle is 45 degree.
12. electric connectors according to claim 11, wherein, this first direction is vertical with this length direction.
13. electric connectors according to claim 7, wherein, this pin portion is that tabular is for surface soldered.
14. electric connectors according to claim 7, wherein, this elastic arm has a ribs of one extrusion molding.
15. electric connectors according to claim 7, wherein, this contact site is dome-shaped.
16. 1 kinds of arrangements of electric connections, comprise:
One circuit board; And
One electric connector, is arranged at this circuit board, comprises:
One insulating body, along a length direction, extend and be longitudinal, and there is a front side, the rear side in contrast to this front side perpendicular to this length direction, and a plurality of terminal mounting grooves, this front side protrudes out edges of boards of this circuit board, described a plurality of terminal mounting groove is two rows along the both sides of parallel this length direction respectively and is arranged with in this insulating body, and
A plurality of terminals, correspondence is arranged at described a plurality of terminal mounting groove respectively, and each terminal comprises:
One fixed part, is fixed in this corresponding terminal mounting groove,
One pin portion, is fixedly welded on this circuit board, by a side of this fixed part, extended,
One bend, extends also back-flexing by this fixed part in contrast to a side of this pin portion and makes its end towards this pin portion beyond,
One elastic arm, is tilted to extend towards the direction away from this fixed part gradually by this bend end, and this elastic arm is toward this front side deflection and in the bearing of trend of the projection of horizontal plane and the angle that this length direction presss from both sides an acute angle, and
One contact site, is extended by this elastic arm end;
The fixed part of described a plurality of terminals, pin portion, crooked position are on this circuit board, and wherein the elastic arm of the terminal of close this front side partly protrudes out these edges of boards of this circuit board and contact site outside these edges of boards at least.
17. arrangements of electric connections according to claim 16, wherein, each terminal mounting groove has the socket that the Ji Yiyougai of Yi Cao our department groove our department extends, the fixed part of this accommodating corresponding terminal in socket close-fitting ground.
18. arrangements of electric connections according to claim 17, wherein, the fixed part of each terminal has a plurality of protruding thorns that protruded by two opposite sides respectively, and described a plurality of protruding thorns are interfered fixing with the inwall that defines corresponding socket.
19. arrangements of electric connections according to claim 16, wherein, this insulating body also has two stop sections, and the corresponding contact site below of the terminal of close this front side of described a plurality of terminal that is arranged in respectively, with a plurality of contact sites described in block.
20. arrangements of electric connections according to claim 16, wherein, this angle is 45 degree.
21. according to the arrangements of electric connection described in claim 16 or 20, wherein, the terminal mounting groove that is positioned at both sides is arranged symmetrically, and the terminal that is positioned at both sides is mirror image and is symmetrical arranged, respectively the pin portion of this terminal is extended along the first direction at horizontal plane by a side of this fixed part, and this first direction is vertical with this length direction.
22. arrangements of electric connections according to claim 16, wherein, this pin portion is that tabular is for surface soldered.
23. arrangements of electric connections according to claim 16, wherein, this elastic arm has a ribs of one extrusion molding.
24. arrangements of electric connections according to claim 16, wherein, this contact site is dome-shaped.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271647.9A CN103579807B (en) | 2012-07-31 | 2012-07-31 | Terminal, electric connector and arrangements of electric connection |
| TW101134493A TWI479748B (en) | 2012-07-31 | 2012-09-20 | Terminals, electrical connectors and electrical connection devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271647.9A CN103579807B (en) | 2012-07-31 | 2012-07-31 | Terminal, electric connector and arrangements of electric connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103579807A true CN103579807A (en) | 2014-02-12 |
| CN103579807B CN103579807B (en) | 2016-01-27 |
Family
ID=50051063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210271647.9A Active CN103579807B (en) | 2012-07-31 | 2012-07-31 | Terminal, electric connector and arrangements of electric connection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103579807B (en) |
| TW (1) | TWI479748B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591222A (en) * | 2014-10-22 | 2016-05-18 | 上海徕木电子股份有限公司 | Burst-pin prevention structure in communication connector |
| CN113540851A (en) * | 2021-07-12 | 2021-10-22 | 昆山嘉华电子有限公司 | Terminal, terminal assembly and electric connector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262069B (en) * | 2018-11-30 | 2024-02-20 | 富顶精密组件（深圳）有限公司 | Conductive terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658961Y (en) * | 2003-04-01 | 2004-11-24 | 美国莫列斯股份有限公司 | Electronic card connector |
| CN201038386Y (en) * | 2007-04-06 | 2008-03-19 | 富港电子（东莞）有限公司 | SIM card connector and its conductive terminal |
| CN201063801Y (en) * | 2007-06-29 | 2008-05-21 | 富港电子（东莞）有限公司 | SIM card connector |
| CN201708318U (en) * | 2010-05-27 | 2011-01-12 | 美国莫列斯股份有限公司 | Sim card connector |
| CN202076513U (en) * | 2010-05-27 | 2011-12-14 | 美国莫列斯股份有限公司 | SIM card connector and SIM card connector assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM280017U (en) * | 2005-07-22 | 2005-11-01 | Molex Taiwan Ltd | Electrical connector |
| TWM293554U (en) * | 2006-01-25 | 2006-07-01 | Proconn Technology Co Ltd | Card connector for mobile device |
| JP2007234472A (en) * | 2006-03-02 | 2007-09-13 | Jst Mfg Co Ltd | Card connector |
| TWM391199U (en) * | 2010-04-09 | 2010-10-21 | Fih (Hong Kong) Ltd | Assembly structure for chip card of electronic device |
| WO2011150307A2 (en) * | 2010-05-27 | 2011-12-01 | Molex Incorporated | Sim card connector |
-
2012
- 2012-07-31 CN CN201210271647.9A patent/CN103579807B/en active Active
- 2012-09-20 TW TW101134493A patent/TWI479748B/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658961Y (en) * | 2003-04-01 | 2004-11-24 | 美国莫列斯股份有限公司 | Electronic card connector |
| CN201038386Y (en) * | 2007-04-06 | 2008-03-19 | 富港电子（东莞）有限公司 | SIM card connector and its conductive terminal |
| CN201063801Y (en) * | 2007-06-29 | 2008-05-21 | 富港电子（东莞）有限公司 | SIM card connector |
| CN201708318U (en) * | 2010-05-27 | 2011-01-12 | 美国莫列斯股份有限公司 | Sim card connector |
| CN202076513U (en) * | 2010-05-27 | 2011-12-14 | 美国莫列斯股份有限公司 | SIM card connector and SIM card connector assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591222A (en) * | 2014-10-22 | 2016-05-18 | 上海徕木电子股份有限公司 | Burst-pin prevention structure in communication connector |
| CN113540851A (en) * | 2021-07-12 | 2021-10-22 | 昆山嘉华电子有限公司 | Terminal, terminal assembly and electric connector |
| CN113540851B (en) * | 2021-07-12 | 2023-08-29 | 昆山嘉华电子有限公司 | Terminal, terminal assembly and electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103579807B (en) | 2016-01-27 |
| TWI479748B (en) | 2015-04-01 |
| TW201405955A (en) | 2014-02-01 |
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