CN202695544U - Light-emitting diode (LED) lead frame and combination thereof - Google Patents
Light-emitting diode (LED) lead frame and combination thereof Download PDFInfo
- Publication number
- CN202695544U CN202695544U CN 201220210341 CN201220210341U CN202695544U CN 202695544 U CN202695544 U CN 202695544U CN 201220210341 CN201220210341 CN 201220210341 CN 201220210341 U CN201220210341 U CN 201220210341U CN 202695544 U CN202695544 U CN 202695544U
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- functional areas
- metal pin
- clamping part
- rubber base
- conducting wire
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Abstract
The utility model relates to a light-emitting diode (LED) lead frame which comprises a rubber base which is provided with a hollow functional area and a plurality of metal pins, wherein each metal pin comprises installation parts, bending parts, clamping parts and welding feet. The installation parts are arranged in the rubber seat in burying mode and exposed in the functional area at intervals, the bending parts stretch out of the outer portion of the rubber seat from both sides of the installation parts, the clamping parts are arranged on the tail ends of the bending parts and mutually draw close, and the welding feet are connected with the clamping parts and parallel to the installation parts. The LED lead frame does not need to be welded on the surface, can greatly improve the assembling convenience, is easy to maintain and change, and can be used once inserted. The utility model further provides an LED lead frame combination.
Description
[technical field]
The utility model relates to a kind of LED conducting wire frame.
[background technology]
Light-emitting diode is a kind of solid-state semiconductor element, is different from the osram lamp principle of luminosity, belongs to cold light luminous, and only the minimum electric current of need just can be luminous.Light-emitting diode not only have life-span length, power saving, durable, shatter-proof, firm, be fit to volume production, volume is little and reacts the advantage such as fast, more generally be applied in multi-product in the life, such as mobile phone, Personal Digital Assistant(PDA) billboard of indicator light, industrial instrument equipment, meter for car indicator light and brake light and the large-scale advertisement of backlight, information and the consumption electronic products of product etc.
Existing LED conducting wire frame generally includes rubber base, two metal pins, luminescence chip and two wires.Rubber base has the functional areas of hollow form, and the metal pin is embedded in the rubber base, and wherein the metal connecting foot section is exposed to the bottom, functional areas, and part is extended the relative both sides of rubber base, and is bent to the rubber base bottom surface with the contact as successive process along the rubber base outside.
The metal pin of existing LED conducting wire frame is to be welded on the printed circuit board (PCB) by scolding tin or other material, and its processing procedure is comparatively loaded down with trivial details.In the process of welding, can produce a large amount of heat effects to rubber base, make it be heated flavescence and reduce its luminous efficiency, but also can stay thermal stress, shorten the useful life of LED conducting wire frame.If the LED conducting wire frame of welding after finishing in use breaks down or when damaging, maintenance and the process of changing are all comparatively loaded down with trivial details, dismounting is trouble, complexity relatively.
Therefore, the necessary aforementioned drawback of existing luminescent chip lead frame and combination thereof being improved to overcome prior art.
[utility model content]
The utility model purpose be to provide a kind of effect better and can ease of assembly to the LED conducting wire frame of printed circuit board (PCB).
The purpose of this utility model is to be achieved through the following technical solutions: a kind of LED conducting wire frame, it comprises: be provided with rubber base and some metal pins of the functional areas of hollow, described metal pin comprise be embedded in the rubber base and the interval be exposed to installation portion functional areas in, extend from the installation portion both sides rubber base outside kink, be positioned at kink clamping part terminal and that mutually draw close and reach and be connected and the welding foot parallel with installation portion with clamping part.
Described clamping part comprises the horizontal bearing and leaning portion that links to each other with kink and the connecting portion that also extends round about from the bending downwards of horizontal bearing and leaning portion, forms deformation space between described horizontal bearing and leaning portion and the welding foot.Described rubber base comprises the bottom that is positioned at the below, functional areas, and described bottom comprises pair of sidewalls, forms receiving space between this oppose side wall, and bending part is in receiving space.
The purpose of this utility model is to realize by another technical scheme: a kind of LED conducting wire frame, it comprises rubber base and some metal pins, described rubber base is provided with the functional areas of hollow and is positioned at the bottom of below, functional areas, described metal pin comprises the installation portion that is embedded in the rubber base and is exposed to functional areas, the clamping part that is positioned at the outside, functional areas and the welding foot that is connected with clamping part, and wherein said clamping part can produce strain in level and vertical direction.
Described metal pin further comprises the kink that is connected and extends the outside, functional areas with installation portion, kink is to extend in functional areas from the side of functional areas, and described clamping part comprises the horizontal bearing and leaning portion that links to each other with kink and the connecting portion that also extends round about from the bending downwards of horizontal bearing and leaning portion.Form deformation space between described horizontal bearing and leaning portion and the welding foot.
The purpose of this utility model is to be achieved through the following technical solutions: a kind of light emitting diode conducting wire frame combination, be assembled on the printed circuit board (PCB), it comprises: be provided with the hollow functional areas rubber base, be embedded in metal pin and fixture in the rubber base, described metal pin comprises the installation portion that is exposed to functional areas, the resilient clamp section that is positioned at the rubber base outside and the welding foot that is connected with clamping part, and described fixture comprises head and the elastic portion with the clamping part Joint of metal pin.
Described metal pin further comprises the kink that is connected and extends the outside, functional areas with installation portion, kink is to extend in functional areas from the side of functional areas, and described clamping part comprises the horizontal bearing and leaning portion that links to each other with kink and the connecting portion that also extends round about from the bending downwards of horizontal bearing and leaning portion.Described elastic portion is positioned at lower head, the head of fixture comprises the fixing base of the horizontal bearing and leaning portion that presses down the metal pin and the fixed leg between the connecting portion of metal pin, the diameter of described fixing base is greater than the diameter of fixed leg, the elastic portion of described fixture is provided with some hook portions, is provided with certain gap between the described hook portion.
The purpose of this utility model is to realize by another technical scheme: a kind of light emitting diode conducting wire frame combination, be assembled on the printed circuit board (PCB), it comprises: the rubber base that is provided with the hollow functional areas, be embedded in the metal pin in the rubber base, fixture and printed circuit board (PCB), described metal pin comprises the installation portion that is exposed to functional areas, be positioned at the resilient clamp section of rubber base outside and the welding foot that is connected with clamping part, described fixture comprises head and the elastic portion with clamping part phase clasp, the welding foot of described metal pin and printed circuit board (PCB) are electrically connected, and the elastic portion of described fixture is retained on the printed circuit board (PCB).
Described clamping part and welding foot are between fixture and printed circuit board (PCB), the head of fixture presses down clamping part and then welding foot is contacted with printed circuit board (PCB), described elastic portion is positioned at lower head, the head of described fixture comprises the fixing base of the horizontal bearing and leaning portion that presses down the metal pin and the fixed leg between the connecting portion of metal pin, the diameter of described fixing base is greater than the diameter of fixed leg, the elastic portion of described fixture is provided with some hook portions, is provided with certain gap between the described hook portion.
Compared to prior art, the utility model LED conducting wire frame is longer by the entire length that is arranged so that the metal pin that is reached the clamping part of mutually drawing close by kink, and so that the distance between the bottom surface of the connecting pin of metal pin and rubber base is larger, luminous efficiency is better; And also can further by being set, a fixture fixedly be assembled on the printed circuit board (PCB), when in use breaking down or damaging, and maintenance and change all comparatively convenient, fast.
[description of drawings]
Fig. 1 is that the utility model LED conducting wire frame is assembled in the three-dimensional assembly diagram on the printed circuit board (PCB).
Fig. 2 is the exploded view of the utility model LED conducting wire frame, and wherein, fixture is positioned at metal pin and rubber base below.
Fig. 3 is the exploded view of another angle of the utility model LED conducting wire frame, and wherein, fixture is positioned at metal pin and rubber base below.
Fig. 4 is the exploded view of the utility model LED conducting wire frame and printed circuit board (PCB).
Fig. 5 is the three-dimensional assembly diagram of the utility model LED conducting wire frame.
Fig. 6 is that the LED conducting wire frame along the A-A line of Fig. 1 is assembled in the cutaway view on the printed circuit board (PCB).
Fig. 7 is the schematic diagram of amplifier section in Fig. 6 circle.
[embodiment]
See also Fig. 1 to shown in Figure 7, the utility model is a kind of LED conducting wire frame 100, it comprises the rubber base 1 of insulation, the fixture 3 that is immobilizated in the pair of metal pin 2 in the rubber base 1 and is held in metal pin 2 belows, wherein, luminescence chip (not shown) is connected on the metal pin 2 by wire (not shown).Described LED conducting wire frame 100 is assembled on the printed circuit board (PCB) 4 by fixture 3.
See also Fig. 1 to shown in Figure 5, rubber base 1 roughly is rectangular structure, by plastic ejection moulding on metal pin 2.Rubber base 1 comprises top 11 and the bottom 12 relative with top 11, and described bottom 12 comprises pair of sidewalls 121, formation receiving space 122 between the sidewall 121.Place, the centre position on described top 11 is arranged with the functional areas 10 that form hollow form downwards, and these functional areas 10 are oblong-shaped, also can be circle, ellipse or other is polygon-shaped.
In addition, the utility model also can be assembled on the printed circuit board (PCB) 4 by the below that is immobilizated in rubber base 1 and metal pin 2 by fixture 3, and this fixture 3 comprises roughly rounded head 30 and is positioned at the elastic portion 32 of head 30 belows.The clamping part 26 of metal pin 2 is held on head 30 sides of fixture 3.Wherein, described head 30 comprises the fixing base 300 of the horizontal bearing and leaning portion 22 that is assembled in metal pin 2 and the fixed leg 301 between the connecting portion 23 of metal pin 2, and the diameter of fixing base 300 is greater than the diameter of fixed leg 301.Described elastic portion 32 is extended straight down first and is protruded out laterally the some hook portions 320 of formation at its free terminal, be provided with certain gap in vertical direction between described some hook portions 320, when elastic portion 32 is assembled in the through hole 41 of printed circuit board (PCB) 4, the hook portion 320 of elastic portion 32 is just outwards opened to gathering together after being assembled in through hole 41 first, thereby fixture 3 is held on the printed circuit board (PCB) 4.
See also Fig. 2 and shown in Figure 6, during LED conducting wire frame 100 assembling, first metal pin 2 is embedded in the rubber base 1, then the elastic portion 32 with fixture 3 is assembled in the through hole 41 of printed circuit board (PCB) 4, head 30 with fixture 3 is fixed in the clamping part 26 of metal pin 2 again, the clamping part 26 of metal pin 2 and welding foot 24 are between fixture 3 and printed circuit board (PCB) 4, the head 30 of fixture 3 presses down clamping part 26 and then welding foot 24 is contacted with the welding gasket 42 of printed circuit board (PCB) 4, thereby finishes the assembling of LED conducting wire frame 100.
The utility model LED conducting wire frame 100 is because the distance between the bottom surface of the connecting pin 24 of metal pin 2 and rubber base 1 is larger, even the problem that jaundice causes brightness to descend after producing a large amount of heats and also can effectively avoid rubber base 1 to be heated in the process of welding, the useful life of having improved LED conducting wire frame.The utility model LED conducting wire frame 100 also can be fixed on the printed circuit board (PCB) 4 by fixture 3, when LED conducting wire frame 100 in use breaks down or damages, maintenance and replacing are all comparatively convenient, fast, can also effectively save assembly cost.
Claims (10)
1. LED conducting wire frame, it comprises: be provided with rubber base and some metal pins of the functional areas of hollow, it is characterized in that: described metal pin comprise be embedded in the rubber base and the interval be exposed to installation portion functional areas in, extend from the installation portion both sides rubber base outside kink, be positioned at kink clamping part terminal and that mutually draw close and reach and be connected and the welding foot parallel with installation portion with clamping part.
2. LED conducting wire frame as claimed in claim 1, it is characterized in that: described clamping part comprises the horizontal bearing and leaning portion that links to each other with kink and the connecting portion that also extends round about from the bending downwards of horizontal bearing and leaning portion, forms deformation space between described horizontal bearing and leaning portion and the welding foot.
3. LED conducting wire frame as claimed in claim 1 is characterized in that: described rubber base comprises the bottom that is positioned at the below, functional areas, and described bottom comprises pair of sidewalls, forms receiving space between this oppose side wall, and bending part is in receiving space.
4. LED conducting wire frame, it comprises rubber base and some metal pins, described rubber base is provided with the functional areas of hollow and is positioned at the bottom of below, functional areas, it is characterized in that: described metal pin comprises the installation portion that is embedded in the rubber base and is exposed to functional areas, the clamping part that is positioned at the outside, functional areas and the welding foot that is connected with clamping part, and wherein said clamping part can produce strain in level and vertical direction.
5. LED conducting wire frame as claimed in claim 4, it is characterized in that: described metal pin further comprises the kink that is connected and extends the outside, functional areas with installation portion, kink is to extend in functional areas from the side of functional areas, described clamping part comprises the horizontal bearing and leaning portion that links to each other with kink and the connecting portion that also extends round about from the bending downwards of horizontal bearing and leaning portion, forms deformation space between described horizontal bearing and leaning portion and the welding foot.
6. light emitting diode conducting wire frame combination, be assembled on the printed circuit board (PCB), it comprises: be provided with the hollow functional areas rubber base, be embedded in metal pin and fixture in the rubber base, it is characterized in that: described metal pin comprises the installation portion that is exposed to functional areas, the resilient clamp section that is positioned at the rubber base outside and the welding foot that is connected with clamping part, and described fixture comprises head and the elastic portion with the clamping part Joint of metal pin.
7. light emitting diode conducting wire frame combination as claimed in claim 6, it is characterized in that: described metal pin further comprises the kink that is connected and extends the outside, functional areas with installation portion, kink is to extend in functional areas from the side of functional areas, and described clamping part comprises the horizontal bearing and leaning portion that links to each other with kink and the connecting portion that also extends round about from the bending downwards of horizontal bearing and leaning portion.
8. light emitting diode conducting wire frame combination as claimed in claim 6, it is characterized in that: described elastic portion is positioned at lower head, the head of fixture comprises the fixing base of the horizontal bearing and leaning portion that presses down the metal pin and the fixed leg between the connecting portion of metal pin, the diameter of described fixing base is greater than the diameter of fixed leg, the elastic portion of described fixture is provided with some hook portions, is provided with certain gap between the described hook portion.
9. light emitting diode conducting wire frame combination, be assembled on the printed circuit board (PCB), it comprises: the rubber base that is provided with the hollow functional areas, be embedded in the metal pin in the rubber base, fixture and printed circuit board (PCB), it is characterized in that: described metal pin comprises the installation portion that is exposed to functional areas, be positioned at the resilient clamp section of rubber base outside and the welding foot that is connected with clamping part, described fixture comprises head and the elastic portion with clamping part phase clasp, the welding foot of described metal pin and printed circuit board (PCB) are electrically connected, and the elastic portion of described fixture is retained on the printed circuit board (PCB).
10. light emitting diode conducting wire frame combination as claimed in claim 9, it is characterized in that: described clamping part and welding foot are between fixture and printed circuit board (PCB), the head of fixture presses down clamping part and then welding foot is contacted with printed circuit board (PCB), described elastic portion is positioned at lower head, the head of described fixture comprises the fixing base of the horizontal bearing and leaning portion that presses down the metal pin and the fixed leg between the connecting portion of metal pin, the diameter of described fixing base is greater than the diameter of fixed leg, the elastic portion of described fixture is provided with some hook portions, is provided with certain gap between the described hook portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210341 CN202695544U (en) | 2012-05-11 | 2012-05-11 | Light-emitting diode (LED) lead frame and combination thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210341 CN202695544U (en) | 2012-05-11 | 2012-05-11 | Light-emitting diode (LED) lead frame and combination thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695544U true CN202695544U (en) | 2013-01-23 |
Family
ID=47551113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220210341 Expired - Fee Related CN202695544U (en) | 2012-05-11 | 2012-05-11 | Light-emitting diode (LED) lead frame and combination thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904487A (en) * | 2014-03-18 | 2014-07-02 | 东莞讯滔电子有限公司 | Plug connector, socket connector and electric connector combination |
-
2012
- 2012-05-11 CN CN 201220210341 patent/CN202695544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904487A (en) * | 2014-03-18 | 2014-07-02 | 东莞讯滔电子有限公司 | Plug connector, socket connector and electric connector combination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130511 |