CN102280740A - FPC (Flexible Printed Circuit) high-precision electronic connector - Google Patents
FPC (Flexible Printed Circuit) high-precision electronic connector Download PDFInfo
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- CN102280740A CN102280740A CN2011101072249A CN201110107224A CN102280740A CN 102280740 A CN102280740 A CN 102280740A CN 2011101072249 A CN2011101072249 A CN 2011101072249A CN 201110107224 A CN201110107224 A CN 201110107224A CN 102280740 A CN102280740 A CN 102280740A
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Abstract
The invention relates to an FPC (Flexible Printed Circuit) high-precision electronic connector. The FPC high-precision electronic connector comprises an insulation base body, a cover shell, 60 H-shaped metal terminals and two T-shaped fixed metal terminals, wherein two ends of the insulation base body are convexly provided with bucking positions respectively, two ends of the cover shell are convexly provided with a kidney-shaped rotating shafts respectively, and the two T-shaped metal terminals are respectively arranged at two ends of the insulation base body. According to the FPC high-precision electronic connector, the problem that a conductive metal terminal is short-circuited due to soldering tin rise during welding of a connector is effectively solved, so that the welding-applying rate of the FPC flexible connector is reduced to 0 from the original 20 percent; the problem that the FPC/FFC (Flexible Flat Cable) is easy to fall off from the electronic connector and needs insertion force is solved, so that the FPC high-precision electronic connector is convenient to install and has zero insertion force, and the service life of the circuit board is prolonged; and the problems that the conductive metal terminal is easy to deform and incline, and the like are solved, and the defect that a product assembly structure of a longitudinal puncture interference mode is adopted in the conductive metal terminal and a cement base in the current industry is overcome, and therefore the high stability of the FPC electronic connector is improved.
Description
Technical field
The present invention relates to a kind of high-accuracy electric power connector of FPC of suitable SMT technical field.
Background technology
Along with advancing by leaps and bounds of science and technology, electronic product miscellaneous is more and more, and volume is more and more littler, portable communication devices such as digital camera, notebook computer, mobile phone for example, and flexible flat cable (FPC) is used to be installed in the printed circuit board (PCB) and electronic component of various electronic equipments, for stube cable and electronic component, FPC connector has just been arisen at the historic moment.
FPC is the abbreviation of Flexible Printed Circuit, claims Flexible Printed Circuit, flexible printed circuit board, flex circuit application again, is called for short soft board or FPC, has the characteristics of distribution density height, in light weight, thin thickness.Main use is at a lot of products such as mobile phone, notebook computer, PDA, digital camera, LCM.The FPC flexible printed circuit is to be a kind of printed circuit with height reliability that base material is made with polyimides or polyester film.
FPC connector is usually by rubber base, form by seat, conductive metal terminals, this four part of fixing metal terminal.And the effect of conducting terminal is fixing and connect the FPC/FFC soft arranging wire, play the effect of transmission electric signal, its another one effect is to apply a positive pressure to the FPC/FFC soft arranging wire, allow FPC connector produce a kind of confining force for the FPC/FFC soft arranging wire, the two is stably linked together.The confining force of FPC connector is an important performance indexes of its product mechanical performance.But the structural design of conductive metal terminals will have enough big confining force usually, and its size can strengthen accordingly, thereby has influenced dwindling of FPC connector size.And the development trend of FPC connector is that size is more and more littler, could satisfy the thin day by day refinement requirement of consumption electronic product like this.
FPC connector must have prevent to climb scolding tin, thin thickness (1.2mm is following), volume little (conducting terminal spacing 0.5mm is following), the terminal confining force is big, the FPC/FFC soft arranging wire is easy for installation, six big performances of FPC/FFC soft arranging wire zero insertion force, just can satisfy electronic product thin thinning, be easy to safeguard, production efficiency height, new product update the fast market demand, improve product useful life.Yet make this connector have this six big performance, structural design and production technology to product have high requirement, therefore it must adopt the ultraprecise Injection Mold Design to guarantee thin thickness and dimensional accuracy height by seat and rubber base, terminal adopts ultraprecise five metals Mould Machining to guarantee the high-flatness (in the evenness 0.01mm) and the high-precision dimensional requirement of terminal, but at the connector two ends button bit being set respectively pulls mould easily, the rubber base thin thickness makes the plastic rubber shaping difficulty, the tiny five metals mould and die accuracy height that requires of terminal, terminal pitch is narrow to cause artificial assembling difficulty to require to adopt the automation assembling, so insulating base mould of FPC connector, terminal five metals mould, the technology complexity of terminal assembling, so this FPC connector manufacturing process technology is reached the international leading level.
Summary of the invention
The objective of the invention is to solve above-mentioned prior art problem, provide a kind of based on the fixing FPC electric power connector of SMT (surface adhesion technology), the one tubaeform slotted eye of row and anti-v-depression is set on the rubber base, solve the FPC electric power connector and when the SMT welding procedure, easily produce the problem of climbing scolding tin, make the climb scolding tin failure rate of FPC electric power connector when SMT welds drop to 0 from original 20%; Conductive metal terminals adopts the supporting point position of lever principle designing optimal and the length of the arm of force, solved the problem that the FPC/FFC soft arranging wire comes off and needs insertion force easily from electric power connector, make easy for installation, the zero insertion force of FPC/FFC soft arranging wire, improve the useful life of circuit board; The conductive metal terminals side is provided with a trapezoidal projection in optimum position, has solved problems such as conductive metal terminals is yielding, inclination, thereby has improved the machinery of FPC electric power connector and the stability of electric property.
Purpose of the present invention can reach by following measure:
The high-accuracy electric power connector of a kind of FPC respectively is convexly equipped with the rubber base of a button bit by two ends, two ends respectively be convexly equipped with the rotating shaft of a waist shape by seat, 60 H shape conductive metal terminals, respectively disposing a T-shaped fixing metal terminal at the rubber base two ends forms, its special character is: offer an elongate slots of being furnished with 60 wide 0.15mm terminal holes in rubber base, in 60 terminal holes of elongate slots, be inlaid with 60 H shape conductive metal terminals, be inserted in the brachmorphy end of 60 H shape conductive metal terminals a strip by seat, and will be inserted in the button bit inboard, right side, two ends of rubber base by the waist shape rotating shaft at seat two ends, in the square groove of rubber base two ends left sides, respectively dispose a T-shaped fixing metal terminal and insert in the rectangular recess.
Described rubber base by one of 30.52 * 0.38 * 1.9mm elongate slots upside central cut-out in 33.32 * 4.32 * 1.2mm rectangle pedestal left side to form a microscler step, 60 wide 0.15mm terminal grooves evenly distribute in these elongate slots both sides, respective side in this elongate slots is provided with the tubaeform slotted eye of a row to prevent to climb scolding tin, respectively be convexly equipped with a button bit passes through the rotating shaft of waist shape and links to each other by seat at these rectangle pedestal two ends, and respectively cut the synthetic square step of a corner and fixing metal terminal group at these rectangular pedestal two ends, can be fixedly linked with circuit board, 1.035 * 0.428 * 0.37mm rectangular recess respectively is set the two ends, left side on the contrary at this cuboid, and parallel is shown 60 1.035 * 0.15 * 0.2mm rectangle shallow slots in the middle of these two rectangular recess, and the 0.4 * 0.32mm square groove that communicates with terminal hole that is staggered 60 on the right side is formed.
Describedly open the cuboid of 60 0.435 * 0.15mm terminal holes by one one side, and the two ends of this cuboid are respectively set up a waist shape φ 0.1 * 0.48 * 0.33 rotating shaft and are connected with rubber base two ends button bit secured in parallel by seat.
Described H shape conductive metal terminals links to each other by middle two supports place, and (this support place center is respectively 3.124mm to the distance of two-end-point, 3.246mm, distance to another two-end-point is respectively 4.949mm, 3.393mm), trapezoidal by establishing one outside the left upper end, its corresponding right side cuts a circular groove, below trapezoidal, be convexly equipped with a parallelogram back-off, make trapezoidal and the parallelogram back-off between form an anti-v-depression (preventing to climb scolding tin), and cut a U-shaped groove (location conductive metal terminals) in parallelogram back-off inboard, be convexly equipped with a triangle block in the back-off respective side, this block downside be convexly equipped with one trapezoidal, be convexly equipped with a triangle cone (increasing the stability of conductive metal terminals) in trapezoidal left inboard, on its top, be cut into a plane, two inboards, lower end respectively are convexly equipped with a button bit, and two outsides respectively cut an inclined-plane.
Described T-shaped fixing metal terminal is formed with strip is dull and stereotyped by square is dull and stereotyped.
The present invention compares with conventional art and has the following advantages:
1. the tubaeform slotted eye of a row is set on rubber base, and an anti-v-depression is set at the weld of conductive metal terminals and pcb board, scolding tin takes place when the SMT welding procedure climbing and cause problem of short-circuit between the conductive metal terminals thereby solve electric power connector, makes the climb scolding tin failure rate of FPC connector when SMT welds drop to 0 from original 20%.
2. conductive metal terminals adopts supporting point position, the mechanical strength of the strong point and the length of the arm of force of lever principle designing optimal, make its electric power connector terminal act on the positive pressure maximum of FPC/FFC soft arranging wire, thereby the reliability that has improved electric power connector connects, and utilize folding that the FPC/FFC soft arranging wire can be clamped or loosen by seat, make easy for installation, the zero insertion force of FPC/FFC soft arranging wire, solve the problem that the FPC/FFC soft arranging wire comes off and needs insertion force easily from electric power connector, improved the useful life of circuit board.
3. the conductive metal terminals side is provided with a trapezoidal projection in optimum position, utilize the face of projection and rubber base to cooperate the fixedly effect of conductive metal terminals of playing, make conductive metal terminals confining force balance in rubber base, be difficult for along with changing by the folding of seat, it is yielding to have solved conductive metal terminals, problems such as inclination, also solved simultaneously the drawback of using conductive metal terminals and rubber base to adopt the product assembly structure that vertically punctures interference mode in the present industry, and the product buckling deformation that very easily produces and cause the bad phenomenon problem of SMT welding procedure has improved the reliability and stability that the FPC electric power connector is connected with the FPC/FFC soft arranging wire thus.
Description of drawings
Fig. 1 is a product front schematic view of the present invention.
Fig. 2 is a product reverse side schematic diagram of the present invention.
Fig. 3 is a product left surface schematic diagram of the present invention.
Fig. 4 is a product right flank schematic diagram of the present invention.
Fig. 5 is a product structure decomposing schematic representation of the present invention.
Fig. 6 is a product five metals terminal schematic diagram of the present invention.
Fig. 7 is a product operation principle schematic diagram of the present invention.
Embodiment
The present invention will be further described in conjunction with the accompanying drawings:
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, the high-accuracy electric power connector of described a kind of FPC respectively is convexly equipped with the rubber base 1 of a button bit 14 by two ends, two ends respectively be convexly equipped with a rotating shaft 22 by seat 2,60 H shape conductive metal terminals 3, respectively disposing a T-shaped fixing metal terminal 4 at rubber base 1 two ends forms, in rubber base 1, offer an elongate slots 18 of being furnished with 60 wide 0.15mm terminal holes 19, in 60 terminal holes 19 of elongate slots 18, be inlaid with 60 H shape conductive metal terminals 3, be inserted in the brachmorphy end 32 of 60 H shape conductive metal terminals 3 strip by seat 2, and will be inserted in button bit 14 inboards, right side, two ends of rubber base 1 by the waist shape rotating shaft 22 at seat 2 two ends, in the square groove 12 of rubber base 1 two ends left sides, respectively dispose a T-shaped fixing metal terminal 4 and insert in the rectangular recess 15.
Described rubber base 1 by one of 30.52 * 0.38 * 1.9mm elongate slots, the 18 upside central cut-out in the rectangular pedestal of 33.32 * 4.32 * 1.2mm left side to form a microscler step 11,60 wide 0.15mm terminal grooves 19 evenly distribute in these elongate slots 18 both sides, respective side in this elongate slots 18 is provided with the tubaeform slotted eye 111 of a row to prevent to climb scolding tin, respectively be convexly equipped with a button bit 14 passes through waist shape rotating shaft 22 and links to each other by seat 2 at these rectangular pedestal two ends, and respectively cut a corner 12 at these rectangular pedestal two ends and be combined into a square step 42 with fixing metal terminal 4, can be fixedly linked with circuit board, at these two ends, cuboid reverse side left side 1.035 * 0.428 * 0.37mm rectangular recess 16 is set respectively, and parallel is shown 60 1.035 * 0.15 * 0.2mm rectangle shallow slots 17 in the middle of these two rectangular recess 16, and 60 the 0.4 * 0.32mm square grooves that communicate with terminal hole 19 110 that are staggered on the right side are formed.
Describedly open the cuboid of 60 0.435 * 0.15mm terminal holes 21 by one one side, and the two ends of this cuboid are respectively set up waist shape φ 0.1 * 0.48 * 0.33 rotating shaft 22 and are connected with rubber base 1 two ends button bit 14 secured in parallel by seat 2.
Described H shape conductive metal terminals 3 is by middle two supports place 35,36 link to each other, and (this support place center is to two-end- point 32,34 distance is respectively 3.124mm, 3,246mm, to another two-end- point 31,33 distance is respectively 4.949mm, 3.393mm), by one trapezoidal 318 of left upper end left side peripheral hardware, its corresponding right side cuts a circular groove 311, below trapezoidal 318, be convexly equipped with a parallelogram back-off 312, make trapezoidal 318 and parallelogram back-off 312 between form an anti-v-depression (preventing to climb scolding tin), and cut a U-shaped groove 313 (location conductive metal terminals 3) in parallelogram back-off 312 inboards, be convexly equipped with a triangle block 315 in back-off 312 respective side, be convexly equipped with one trapezoidal 316 at triangle block 315 downsides, be convexly equipped with a triangle cone 314 (fixedly conductive metal terminals 3) in trapezoidal 316 left inboards, on its top, be cut into a plane 3141, two inboards, lower end respectively are convexly equipped with a button bit 331,341, two outsides respectively cut an inclined-plane 332,342.
Described T-shaped fixing metal terminal 4 is made up of square dull and stereotyped 42 and strip dull and stereotyped 41.
Fixing metal terminal 4 inserts in the terminal hole 15 at rubber base 1 two ends, and its effect is to be used for fixing FPC connector and welded plate.Conductive metal terminals 3 adopts lever principle to realize guaranteeing under the small size (conductive metal terminals thickness is 0.12mm) enough confining forces.Fastening by seat 2 and rubber base 1 of FPC connector can be carried out 0 ° to 90 ° upset.When being positioned at A position (0 ° of position) by seat 2, connector is a locking mode, make conductive metal terminals brachmorphy button bit 32 upwards with its another long button bit 31 distance expansions and separate 0.15mm, by middle two supports place 35, the other end button bit 34 that 36 (the narrowest distance for 0.09mm) are impelled this fixing metal terminal 4 dwindles 0.15mm with the distance of its another relative button bit 33 downwards, produce one and clamp confining force (by two supports place 35, the size of confining force is regulated in 36 position, the left and right sides), cause the FPC winding displacement to be compressed with its another relative button bit 33 by the button bit 34 of conductive metal terminals 3; When being positioned at B position (90 ° of positions) by seat 2, connector is open mode, the brachmorphy button bit 32 that makes conductive metal terminals 3 downwards and the distance of its another long button bit 31 dwindle and compress, the other end button bit 34 that impels this fixing metal terminal 4 by middle two supports place 35,36 upwards enlarges with the distance of its another relative button bit 33, cause the FPC winding displacement to be loosened with its another relative button bit 33 by the button bit 34 of conductive metal terminals 4, the FPC winding displacement will separate with conductive metal terminals 4.
The above only is 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 (5)
1. the high-accuracy electric power connector of FPC respectively is convexly equipped with the rubber base of a button bit by two ends, two ends respectively be convexly equipped with the rotating shaft of a waist shape by seat, 60 H shape conducting terminals, respectively disposing a T-shaped fixing metal terminal at the rubber base two ends forms, its special character is: offer a row position groove of being furnished with 60 wide 0.15mm terminal holes in rubber base, be expert at and be inlaid with 60 H shape conductive metal terminals in 60 terminal holes of a groove, be inserted in the brachmorphy end of 60 H shape conductive metal terminals a strip by seat, and will be inserted in the button bit inboard, right side, two ends of rubber base by the waist shape rotating shaft at seat two ends, in the square groove of rubber base two ends left sides, respectively dispose a T-shaped fixing metal terminal and insert in the rectangular recess.
2. according to the high-accuracy electric power connector of the described FPC of claim 1, it is characterized in that: described rubber base by one of 30.52 * 0.38 * 1.9mm elongate slots upside central cut-out in 33.32 * 4.32 * 1.2mm rectangle pedestal left side to form a microscler step, 60 wide 0.15mm terminal grooves evenly distribute in these elongate slots both sides, respective side in this elongate slots is provided with the tubaeform slotted eye of a row to prevent to climb scolding tin, respectively be convexly equipped with a button bit passes through the rotating shaft of waist shape and links to each other by seat at these rectangle pedestal two ends, and respectively cut the synthetic square step of a corner and fixing metal terminal group at these rectangular pedestal two ends, can be fixedly linked with circuit board, at these two ends, cuboid reverse side left side 1.035 * 0.428 * 0.37mm rectangular recess is set respectively, and parallel is shown 60 1.035 * 0.15 * 0.2mm rectangle shallow slots in the middle of these two rectangular recess, and the 0.4 * 0.32mm square groove that communicates with terminal hole that is staggered 60 on the right side is formed.
3. according to the high-accuracy electric power connector of the described FPC of claim 1, it is characterized in that: describedly open the cuboid of 60 0.435 * 0.15mm terminal holes by one one side, and the two ends of this cuboid are respectively set up a waist shape φ 0.1 * 0.48 * 0.33 rotating shaft and are connected with rubber base two ends button bit secured in parallel by seat.
4. according to the high-accuracy electric power connector of the described FPC of claim 1, it is characterized in that: described H shape conductive metal terminals links to each other by middle two supports place, and (this support place center is respectively 3.124mm to the distance of two-end-point, 3.246mm, distance to another two-end-point is respectively 4.949mm, 3.393mm), trapezoidal by establishing one outside the left upper end, its corresponding right side cuts a circular groove, below trapezoidal, be convexly equipped with a parallelogram back-off, make trapezoidal and the parallelogram back-off between form an anti-v-depression (preventing to climb scolding tin), and cut a U-shaped groove (location conductive metal terminals) in parallelogram back-off inboard, be convexly equipped with a triangle block in the back-off respective side, this block downside be convexly equipped with one trapezoidal, be convexly equipped with a triangle cone (increasing the stability of conductive metal terminals) in trapezoidal left inboard, on its top, be cut into a plane, two inboards, lower end respectively are convexly equipped with a button bit, and two outsides respectively cut an inclined-plane.
5. according to the high-accuracy electric power connector of the described FPC of claim 1, it is characterized in that: described T-shaped fixing metal terminal is formed with strip is dull and stereotyped by square is dull and stereotyped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101072249A CN102280740A (en) | 2011-04-26 | 2011-04-26 | FPC (Flexible Printed Circuit) high-precision electronic connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101072249A CN102280740A (en) | 2011-04-26 | 2011-04-26 | FPC (Flexible Printed Circuit) high-precision electronic connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102280740A true CN102280740A (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101072249A Pending CN102280740A (en) | 2011-04-26 | 2011-04-26 | FPC (Flexible Printed Circuit) high-precision electronic connector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060292911A1 (en) * | 2005-06-28 | 2006-12-28 | Compal Electronics, Inc. | Connector |
| WO2008002014A1 (en) * | 2006-05-10 | 2008-01-03 | Molex Korea Co., Ltd. | A connector for a flexible cable |
| CN201207462Y (en) * | 2008-03-28 | 2009-03-11 | 众鸣精密工业(深圳)有限公司 | Electric connector |
| CN101567499A (en) * | 2008-04-25 | 2009-10-28 | 欧姆龙株式会社 | Connector |
-
2011
- 2011-04-26 CN CN2011101072249A patent/CN102280740A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060292911A1 (en) * | 2005-06-28 | 2006-12-28 | Compal Electronics, Inc. | Connector |
| WO2008002014A1 (en) * | 2006-05-10 | 2008-01-03 | Molex Korea Co., Ltd. | A connector for a flexible cable |
| CN201207462Y (en) * | 2008-03-28 | 2009-03-11 | 众鸣精密工业(深圳)有限公司 | Electric connector |
| CN101567499A (en) * | 2008-04-25 | 2009-10-28 | 欧姆龙株式会社 | Connector |
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Application publication date: 20111214 |