The damp-proof led support
Technical field
The utility model relates to led support, refers to a kind of damp-proof led support especially.
Background technology
No. 201010594373.8 patent application document of the People's Republic of China (PRC) disclosed a kind of led support, and said led support comprises and is provided with first insulating body of accommodating cavity, takes shape in the second outer insulating body of first insulating body and is shaped in the plurality of conductive terminals on first, second insulating body.Said conducting terminal comprise be exposed to said first insulating body accommodate contact site in the cavity, one-body molded and cross connecting portion, and the weld part that extends to form from the terminal bending of connecting portion of first, second insulating body in the horizontal direction.
The conducting terminal of above-mentioned led support passes through first, second insulating body in one direction simultaneously, causes first, second insulating body not enough to the retain strength of conducting terminal, makes conducting terminal loosening easily.And the led support size is very little, and under the too small situation in the moulding junction surface between conducting terminal and first, second insulating body, the waterproof of said led support, moisture effect are inappropriate for outdoor products and use very poor.
Given this, be necessary to provide a kind of new damp-proof led support in fact.
The utility model content
The purpose of the utility model is to provide a kind of damp-proof led support with waterproof, moisture-proof construction design.
For this reason; The utility model provides a kind of damp-proof led support; Comprise at least one pair of conducting terminal, with integrated first insulating body of conducting terminal and take shape in the second outer insulating body of first insulating body; Said first insulating body is provided with the cavity of accommodating that is used for packaging LED chips; Each conducting terminal comprises being exposed to saidly accommodates the solid welding zone of cavity bottom surface, first extension that extends to form in admittedly being tilted at a certain angle behind welding zone terminal bending formation first bending part certainly, second extension that forms of after the terminal bending of first extension forms second bending part, stretching out, and forms the weld part that extends to form behind the 3rd bending part from the second extension bending; Said solid welding zone is shaped in first insulating body near first bending part, one end, and said first extension is shaped in said second insulating body.
With respect to prior art; The damp-proof led support of the utility model increases the conducting terminal and first insulating body, reaches integrated length between second insulating body through the mode of conducting terminal being carried out repeatedly bending extension; Strengthen the tightness of led support when increasing the retain strength of conducting terminal, promoted led support product waterproof, moistureproof performance.
Description of drawings
Fig. 1 is the stereogram of the utility model damp-proof led support.
Fig. 2 is the three-dimensional exploded view of the utility model damp-proof led support.
Fig. 3 is the end view of the utility model damp-proof led support pair of conductive terminal.
Fig. 4 is the cutaway view along A-A line shown in Figure 1.
Fig. 5 is the structure chart that the conducting terminal of the utility model damp-proof led support combines with strip before manufacturing.
Fig. 6 is the cutaway view after conducting terminal, strip and the first insulating body moulding of the utility model damp-proof led support.
Fig. 7 is with the cutaway view after the conducting terminal bending for the first time after conducting terminal, strip and the first insulating body moulding of the utility model damp-proof led support.
Fig. 8 be after the conducting terminal bending for the first time of the utility model damp-proof led support again with the second insulating body moulding after cutaway view.
Fig. 9 is the cutaway view of the utility model damp-proof led support final products.
Wherein Fig. 4 is the cutaway view along the conducting terminal center line; Fig. 6 to Fig. 9 is the cutaway view along the conducting terminal edge.
Embodiment
See also Fig. 1 to Fig. 4, and shown in Figure 9, the utility model damp-proof led support comprises first insulating body 1, moulding and is coated on the second outer insulating body 2 of first insulating body 1 and is shaped at least one pair of conducting terminal 3 in first insulating body 1, second insulating body 2.
Said first insulating body 1 comprises base plate 10, and around base plate 10, extends upward first peripheral wall 11 of formation, said base plate 10, and first peripheral wall, 11 one common peripheral be set as an end opening be used for packaging LED chips accommodate cavity 12.
Said second insulating body 2 comprises the bottom 20 that takes shape under first insulating body, 1 base plate 10, and extends upward second peripheral wall 21 outside first peripheral wall 11 that is coated on of formation around 20 from the bottom.
Said each conducting terminal 3 comprises solid welding zone 30, be formed at the first terminal bending part 31 of solid welding zone 30, from first bending part, 31 ends with 0 °-45 ° angle of inclination extend internally first extension 35 that forms (i.e. the angle that become with vertical direction of first extension 35, the best angle of present embodiment is 12 °-18 °), be formed at the second terminal bending part 32 of first extension 35, from terminal outward-dipping second extension 36 that extends to form of second bending part 32, be formed at the 3rd terminal bending part 33 of second extension 36, the 3rd extension 37 that extends to form downwards from the 3rd bending part 33 ends, be formed at the 4th terminal bending part 34 of the 3rd extension 37, reach from the extend internally weld part 38 of formation of the 4th bending part 34 along continuous straight runs.Said conducting terminal 3 is provided with first through hole 301 near first bending part, 31 positions being positioned at solid welding zone 30; Be positioned at the design that first extension 35, second bending part 32 be provided with second through hole, 302, the first through holes 301 and second through hole 302 and strengthened the maintenance seal degree between conducting terminal 3 and first insulating body 1 and second insulating body 2 greatly.The length of said second extension 36 is much smaller than the length of first extension 35.
Please consult Fig. 4, shown in Figure 9 by emphasis; The base plate 10 of said first insulating body 1 is exposed and is parallel on a surface of said conducting terminal 3 solid welding zones 30; The end that the said first solid welding zone 30 is positioned at first bending part 31 is shaped in said first insulating body 1, and said first through hole 301 is filled up by said first insulating body 1; Said first extension 35, second bending part 32 are shaped in said second insulating body 2, and said second through hole 302 is filled up by said second insulating body 2; Said the 3rd extension 37 vertically extends to form in second insulating body, 2 outsides from the 3rd bending part 33; Said weld part 38 is to extend internally from the 4th bending part 34 terminal along continuous straight runs to form and be positioned at second insulating body, 2 belows (in other embodiments, said weld part 38 also can be from the formation that stretches out of the 4th bending part 34 terminal along continuous straight runs).
See also Fig. 4 to shown in Figure 9, below will introduce the manufacturing approach of the utility model led support in detail, the first step: as shown in Figure 5, prepare the conducting terminal 3 that is connected with strip 4; Second step: as shown in Figure 6; The conducting terminal 3 that connects strip 4 is carried out first time forming operation form first insulating body 1; At this moment, solid welding zone 30 1 ends of said conducting terminal 3, and solid welding zone 30 on first through hole 301 be shaped in said first insulating body 1; The 3rd step: as shown in Figure 7; At first; Conducting terminal 3 and strip 4 are cut off, subsequently, will after the end of solid welding zone 30 carries out the bending first time, also form first bending part 31 and first extension 35 thus with the angle of inclination adjustment conducting terminal 3 that favours 0 °-45 ° of vertical direction downwards and inwardly with the conducting terminal 3 after 1 moulding of first insulating body; Subsequently, the end at first extension 35 outwards carries out the bending second time and forms second bending part 32; The 4th step: as shown in Figure 8; The said conducting terminal 3 and first insulating body 1 that has carried out after twice bending carried out second forming operation and form second insulating body 2; Said second insulating body 2 is coated on first insulating body, 1 periphery; At this moment, first extension 35, second bending part 32 and second through hole 302 of said conducting terminal 3 are shaped in said second insulating body 2; The 5th step: as shown in Figure 9; Said conducting terminal 3 outside second insulating body 2 is carried out for the third time bending downwards and forms the 3rd bending part 33 and second extension 36 between second bending part 32 and the 3rd bending part 33, once more conducting terminal 3 is extended internally after the 4th bending carried out in second insulating body, 2 bottoms subsequently and form the 4th bending part 34 thus, at the 3rd extension 37 between the 3rd bending part 33 and the 4th bending part 34 and be positioned at the weld part 38 under second insulating body, 2 bottoms.
Accommodating of said first insulating body 1 is packaged with the led chip that electrically connects with conducting terminal 3 in the cavity 12, said first insulating body 1 is a white material, and said second insulating body 2 is a black material, and so design can obviously improve the contrast of LED.
Compared to prior art; The utility model damp-proof led support through the mode of conducting terminal 3 being carried out repeatedly bending and extending increase conducting terminal 3 with first insulating body 1, reach integrated length between second insulating body 2; Strengthen the seal degree of led support when increasing the retain strength of conducting terminal, promoted led support product waterproof, moistureproof performance.