CN102324638A - Conductive metal terminal for FPC (Flexible Printed Circuit) electronic connector - Google Patents
Conductive metal terminal for FPC (Flexible Printed Circuit) electronic connector Download PDFInfo
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- CN102324638A CN102324638A CN201110135787A CN201110135787A CN102324638A CN 102324638 A CN102324638 A CN 102324638A CN 201110135787 A CN201110135787 A CN 201110135787A CN 201110135787 A CN201110135787 A CN 201110135787A CN 102324638 A CN102324638 A CN 102324638A
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- lever dolly
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Abstract
The invention relates to a conductive metal terminal for an FPC (Flexible Printed Circuit) electronic connector. The conductive metal terminal for the FPC electronic connector comprises a lever bracket, a 0.81mm force arm, a 0.73mm force arm, a 1.65mm arm and a 2.37mm force arm, wherein the 0.73mm force arm is provided with a boss, the 1.65mm arm is provided with a convex block, the 2.37mm force arm is matched with a buckling position, the conductive metal terminal is a 3.21*0.94*0.12mm H-shaped phosphor-copper slice, and the ambient part which is within 0.5mm downwards from the top-end surface of the 2.37mm force arm and the ambient part which is within 0.6mm downwards from the top end of the 1-shaped buckling position are respectively gilded. Through the conductive metal terminal for the FPC electronic connector, the problems that the fine conductive metal terminal has poor electrical conductivity and is easily broken, an FPC/FFC (Flexible Flat Cable) is inconvenient to install and an insertion force is needed are effectively solved, so that the terminal has strong electrical conductivity and good elasticity and is not easily broken, the FPC/FFC is convenient to install, the insertion force is not needed, and the service life of the FPC electronic connector is prolonged.
Description
Technical field
The present invention relates to a kind of FPC electric power connector conductive metal terminals of suitable SMT technical field.
Background technology
The function of electric power connector mainly is exactly to lean on conducting terminal that telecommunication is passed to another Circuits System from a Circuits System, so conducting terminal is the function hinge center of electric power connector.After conducting terminal is inserted into the rubber base terminal groove, must guarantees that conducting terminal is firm and good electrically conducting effect is arranged, and must guarantee that the contact positive force of terminal contact is enough big; Be enough to let telecommunication smoothly through contact-making surface, if the contact positive force is not enough, then the microcosmic situation of contact-making surface is to have only trickle some contact; Depend merely on fragmentary minutia contact; Its resistance value possibly arrive several ohms greatly, causes too big potential drop, and the telecommunication receiving terminal can't be handled.Because the connect-disconnect life of general FPC connector fixes on about 30 times; This represents the mutual timing of terminal must be to do flexible distortion could when the EOT of anti-the plug, still possess suitable contact positive force; If the terminal material hardness of selecting for use is low, then be difficult to guarantee the not easy fracture of tiny conducting terminal.In addition, the gold-plated thickness in the contact zone of terminal also must be able to bear tens of times abrasion.
The shape specification of terminal except considering the contact impedance that coating and positive force determined of contact-making surface, must be considered the Conductor Impedance of terminal itself, and this just depends on material, the size of terminal.But the good mechanical properties of brass conductive property only is fit to do general terminal; But the relatively poor elasticity of phosphor-copper conductivity is better, can make flexible terminal; Beryllium copper is with good springiness, the good characteristic of conductivity, but material expensive, obtain the problem that difficulty has environmental protection again.
Another electrical characteristic of terminal is a rated current; This depends on the material and the sectional area of terminal, and the impedance of the bigger then unit length in cross section is littler, and the heat that institute's galvanization is produced is fewer; Then terminal temperature ascensional range is less; Also just can conduct bigger electric current, when terminal transmitted this electric current, the self-temperature ascensional range was no more than 30 ℃.
The leg design of SMT product; A zigzag bending is preferably arranged to avoid excessive thermal stress on the solder joint at horizontal segment; In addition; The angle that really will eat that section terminal tails and the horizontal plane of tin can not be too big, has only end or bending point place eats tin otherwise cause, all can not be through the check of SMT scolding tin.The plating of terminal will note avoiding zinc-plated district directly to link to each other with gold-plated district, in order to avoid the bad situation of tin of overflowing takes place in the SMT processing procedure.
General FPC electric power connector is provided with preceding latch mechanism on the FPC/FFC soft arranging wire inserts mouth, when the FPC/FFC soft arranging wire swings up and down, make by seat easily and unclamp, thereby cause the FPC/FFC soft arranging wire to get loose, and steadiness is not strong.In order to overcome this drawback; A kind of conductive metal terminals with leverage must be set; After the FPC/FFC soft arranging wire gets into the FPC electric power connector, when setting level downwards, the insertion mouth of FPC electric power connector is locked through the leverage of conductive metal terminals by seat; When upwards erectting 90 ° by seat, the leverage through conductive metal terminals is unclamped the insertion mouth of FPC electric power connector, is convenient to the FPC/FFC soft arranging wire and inserts or extract, and therefore in order to overcome the above problems, my department is studied conductive metal terminals.
Summary of the invention
The objective of the invention is to solve the problems of the technologies described above; Provide a kind of lever principle of utilizing best position of the fulcrum, arm of force length and boss, projection, " 1 " font button bit to be set from the mechanics angle; And conductivity is strong, good springiness, 3.21 * 0.94 * 0.12mm conductive metal terminals of easy fracture not; Make the FPC/FFC soft arranging wire easy for installation, need not insertion force; Improve the useful life of FPC electric power connector, solved effectively that this conductive metal terminals poorly conductive is strong, easy fracture and FPC/FFC soft arranging wire install inconvenient, as to need insertion force problem.
The object of the invention can reach through following measure:
Said FPC electric power connector conductive metal terminals is made up of lever dolly, the 0.81mm arm of force, the 0.73mm arm of force, 1.65mm arm, the 2.37mm arm of force; Its special character is: this conductive metal terminals is " H " shape phosphor-copper thin slice of 3.21 * a 0.94 * 0.12mm; Carry out gold-plated respectively to position around in the downward 0.6mm in top of position around in the downward 0.5mm of the top end face of the 2.37mm arm of force and " 1 " font button bit; Set up a boss at the 0.73mm arm of force toward lever dolly direction 0.41mm place; Set up a projection at the 1.65mm arm of force toward lever dolly direction 0.7mm place, set up a back-off toward lever dolly direction 1.41mm place at the 2.37mm arm of force.
The said 2.37mm arm of force is by a special-shaped pillar that 0.12mm is wide; Be convexly equipped with a big button bit on its right side, top; Form an arc step with top end face, remove the dark groove of 0.03mm, be convexly equipped with high trapezoidal of 0.11mm in the left side of the dark groove of 0.03mm in the end-grain cutting left of its downside; Cut an inclined-plane in this trapezoidal left top side; Be convexly equipped with tiltedly " a 1 " font button bit of upright 6 ° in trapezoidal lower end, form " V " font groove with special-shaped pillar, the loudspeaker end of special-shaped pillar bottom left end and lever dolly is connected as a single entity.
Said lever dolly becomes the angle of 66 ° of compositions with the 0.81mm arm of force, the 1.65mm arm of force, 0.09 * 0.12 * 0.55mm is set, and its two ends are horn-like and link to each other with four arm of forces.
The said 0.81mm arm of force is by a wide pillar of 0.15mm; Cut the long stripping and slicing of a 0.15mm to the inside for 19 ° in its lower end edge left side; Its right side, lower end is convexly equipped with 72 ° of circular arcs; Upwards set up a boss toward lever dolly direction 0.41mm place, the loudspeaker end of its upper right end and lever dolly fuses.
The said 0.73mm arm of force is convexly equipped with 175 ° of circular arcs by a 0.14mm wide (the widest part) pillar in its lower end, and the loudspeaker end of its top left end and lever dolly fuses.
The said 1.65mm arm of force is convexly equipped with 180 ° of circular arcs by a 0.19mm wide (the widest part) taper pillar in its lower end, set up a projection toward lever dolly direction 0.71mm place downwards, and the loudspeaker end of its underpart right-hand member and lever dolly fuses.
The present invention compares with conventional art and has the following advantages: from the mechanics angle best balance pivot position, arm of force length and boss, projection, " 1 " font button bit are set; And utilize lever principle; Make that 3.21 * 0.94 * 0.12mm conductive metal terminals conductivity is strong, good springiness, not easy fracture, and FPC/FFC soft arranging wire are easy for installation, need not insertion force, and two gold-plated districts up and down are set; Avoid climbing scolding tin, thereby improve the useful life of FPC electric power connector.
Description of drawings
Fig. 1 is a product terminal sketch map of the present invention.
Embodiment
The present invention will combine accompanying drawing to do further detailed description:
See also shown in Figure 1; Said FPC electric power connector conductive metal terminals is made up of lever dolly 5, the 0.81mm arm of force 1, the 0.73mm arm of force 2,1.65mm arm 3, the 2.37mm arm of force 4; Its special character is: this conductive metal terminals is " H " shape phosphor-copper thin slice of 3.21 * a 0.94 * 0.12mm; To in the top 451 downward 0.6mm of position around in the top end face 47 downward 0.5mm of the 2.37mm arm of force 4 and " 1 " font button bit 45 all around the position carry out gold-plated respectively; Set up a boss 22 at the 0.73mm arm of force 2 toward lever dolly 5 direction 0.41mm places; Set up a projection 32 at the 1.65mm arm of force 3 toward lever dolly 5 direction 0.7mm places, set up a back-off 42 toward lever dolly 5 direction 1.41mm places at the 2.37mm arm of force 4.
The said 2.37mm arm of force 4 is by a special-shaped pillar that 0.12mm is wide; Be convexly equipped with a big button bit 42 on its right side, top; Form an arc step 41 with top end face, remove the dark groove 44 of 0.03mm in the end-grain cutting left of its downside, be convexly equipped with in the left side of the dark groove 44 of 0.03mm 0.11mm high trapezoidal 43; Cut an inclined-plane 431 in this trapezoidal 43 left top side; Be convexly equipped with tiltedly " a 1 " font button bit 45 of upright 6 ° in trapezoidal 43 lower ends, form " V " font groove with special-shaped pillar, special-shaped pillar bottom left end and lever dolly 5 loudspeaker ends are connected as a single entity.
The angle of said lever dolly 5 and the 0.81mm arm of force 1,3 one-tenth 66 ° of compositions of the 1.65mm arm of force is provided with 0.09 * 0.12 * 0.55mm, and its two ends are horn-like and link to each other with four arm of forces 1,2,3,4.
The said 0.81mm arm of force 1 is by a wide pillar of 0.15mm; Cut the long stripping and slicing 12 of a 0.15mm to the inside for 19 ° in its lower end edge left side; Its right side, lower end is convexly equipped with 72 ° of circular arcs 11; Upwards set up a boss 22 toward lever dolly 5 direction 0.41mm places, the loudspeaker end of its upper right end and lever dolly 5 fuses.
The said 0.73mm arm of force 2 is convexly equipped with 175 ° of circular arcs 21 by a 0.14mm wide (the widest part) pillar in its lower end, and the loudspeaker end of its top left end and lever dolly 5 fuses.
The said 1.65mm arm of force 3 is convexly equipped with 180 ° of circular arcs 31 by a 0.19mm wide (the widest part) taper pillar in its lower end, set up a projection 32 toward lever dolly 5 direction 0.71mm places downwards, and the loudspeaker end of its underpart right-hand member and lever dolly 5 fuses.
The FPC electric power connector go into the 0.81mm arm of force 1 by cover for seat after, through by the setting of seat or balance boss 22 is implemented an active force, make the function that has locking or unclamp by seat.Under active force by seat; When the 0.81mm arm of force 1 broke away from the boss 22 of the right-hand member 0.73mm arm of force 2, through the active force of lever dolly 5, the projection 32 that makes the 1.65mm arm of force 3 was to 4 extruding of the right-hand member 2.37mm arm of force; Owing to behind " 1 " font button bit 45 " V " font groove is set; Produce a kind of extruding elastic force to the right when therefore " 1 " font button bit 45 pushes, the 1.65mm arm of force 3 is had by a larger margin to the right, projection 32 and " 1 " font button bit 45 are clamped the FPC/FFC soft arranging wire more; Under the subagent again of rubber base; When the 0.81mm arm of force 1 after the right clamps; Through the active force of lever dolly 5, projection 32 is after unclamp on the left side, and " 1 " font button bit 45 produces a kind of bigger Hui Li left; Make projection 32 give one of FPC/FFC soft arranging wire bigger loosen power, thereby make the FPC/FFC soft arranging wire have reliable stability.
The above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (6)
1. a FPC electric power connector conductive metal terminals is made up of lever dolly, the 0.81mm arm of force, the 0.73mm arm of force, 1.65mm arm, the 2.37mm arm of force; Its special character is: this conductive metal terminals is " H " shape phosphor-copper thin slice of 3.21 * a 0.94 * 0.12mm; Carry out gold-plated respectively to position around in the downward 0.6mm in top of position around in the downward 0.5mm of the top end face of the 2.37mm arm of force and " 1 " font button bit; Set up a boss at the 0.73mm arm of force toward lever dolly direction 0.41mm place; Set up a projection at the 1.65mm arm of force toward lever dolly direction 0.7mm place, set up a back-off toward lever dolly direction 1.41mm place at the 2.37mm arm of force.
2. according to the said FPC electric power connector of claim 1 conductive metal terminals; It is characterized in that: the said 2.37mm arm of force is convexly equipped with a big button bit by a special-shaped pillar that 0.12mm is wide on its right side, top, forms an arc step with top end face; Remove the dark groove of 0.03mm in the end-grain cutting left of its downside; Be convexly equipped with high trapezoidal of 0.11mm in the left side of the dark groove of 0.03mm, cut an inclined-plane, be convexly equipped with tiltedly " a 1 " font button bit of upright 6 ° in trapezoidal lower end in this trapezoidal left top side; Form " V " font groove with special-shaped pillar, the loudspeaker end of special-shaped pillar bottom left end and lever dolly is connected as a single entity.
3. according to the said FPC electric power connector of claim 1 conductive metal terminals; It is characterized in that: said lever dolly becomes the angle of 66 ° of compositions with the 0.81mm arm of force, the 1.65mm arm of force; 0.09 * 0.12 * 0.55mm is set, and its two ends are horn-like and link to each other with four arm of forces.
4. according to the said FPC electric power connector of claim 1 conductive metal terminals; It is characterized in that: the said 0.81mm arm of force is by a wide pillar of 0.15mm; Cut the long stripping and slicing of a 0.15mm to the inside for 19 ° in its lower end edge left side; Its right side, lower end is convexly equipped with 72 ° of circular arcs, upwards sets up a boss toward lever dolly direction 0.41mm place, and the loudspeaker end of its upper right end and lever dolly fuses.
5. according to the said FPC electric power connector of claim 1 conductive metal terminals; It is characterized in that: the said 0.73mm arm of force is by a 0.14mm wide (the widest part) pillar; Be convexly equipped with 175 ° of circular arcs in its lower end, the loudspeaker end of its top left end and lever dolly fuses.
6. according to the said FPC electric power connector of claim 1 conductive metal terminals; It is characterized in that: the said 1.65mm arm of force is by a 0.19mm wide (the widest part) taper pillar; Be convexly equipped with 180 ° of circular arcs in its lower end; Set up a projection toward lever dolly direction 0.71mm place downwards, the loudspeaker end of its underpart right-hand member and lever dolly fuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110135787A CN102324638A (en) | 2011-05-23 | 2011-05-23 | Conductive metal terminal for FPC (Flexible Printed Circuit) electronic connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110135787A CN102324638A (en) | 2011-05-23 | 2011-05-23 | Conductive metal terminal for FPC (Flexible Printed Circuit) electronic connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102324638A true CN102324638A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110135787A Pending CN102324638A (en) | 2011-05-23 | 2011-05-23 | Conductive metal terminal for FPC (Flexible Printed Circuit) electronic connector |
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| CN (1) | CN102324638A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325291A (en) * | 2007-06-12 | 2008-12-17 | 广濑电机株式会社 | Electrical connector |
| CN101467307A (en) * | 2006-04-13 | 2009-06-24 | 莫列斯公司 | Improved flat cable connector |
| CN101872910A (en) * | 2009-01-22 | 2010-10-27 | 广濑电机株式会社 | Electrical connector |
-
2011
- 2011-05-23 CN CN201110135787A patent/CN102324638A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101467307A (en) * | 2006-04-13 | 2009-06-24 | 莫列斯公司 | Improved flat cable connector |
| CN101325291A (en) * | 2007-06-12 | 2008-12-17 | 广濑电机株式会社 | Electrical connector |
| CN101872910A (en) * | 2009-01-22 | 2010-10-27 | 广濑电机株式会社 | Electrical connector |
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Application publication date: 20120118 |