CN202721183U - LED support and forming mold thereof - Google Patents
LED support and forming mold thereof Download PDFInfo
- Publication number
- CN202721183U CN202721183U CN2012202694526U CN201220269452U CN202721183U CN 202721183 U CN202721183 U CN 202721183U CN 2012202694526 U CN2012202694526 U CN 2012202694526U CN 201220269452 U CN201220269452 U CN 201220269452U CN 202721183 U CN202721183 U CN 202721183U
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- China
- Prior art keywords
- led support
- insulating body
- fixed part
- cavity
- copper post
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses an LED support which comprises an insulation body and comprises a heat dissipation copper column and two conducting terminals which are embedded and formed in the insulation body, wherein a top of the insulation body is provided with a containing cavity in a concave way. Each conducting terminal comprises a fixed part positioned in the insulation body and a welding part which extends out of the insulation body. The fixed part of each conducting terminal extends into a corresponding containing cavity bottom in the insulation body, and each fixed part is formed with one or two welding points exposed at the containing cavity bottom. The LED support has a good penetration prevention function. The utility model discloses a mold used for forming the above LED support. The mold comprises a male mold and a female mold. The female mold is provided with a cavity corresponding to the a bottom shape of the LED support. Two sides of the cavity are connected with two pouring mouths. The male mold is provided with a cavity corresponding to the a top shape of the LED support, and is downwardly provided with a convex part used for pressing against the welding points. By using the mold, production efficiency and production quality are raised.
Description
Technical field
The utility model relates to the LED technical field, refers in particular to a kind of led support and mould thereof.
Background technology
Led support includes insulating body and produced by insert molding in the conducting terminal of insulating body inside, and this insulating body top is concaved with accommodating cavity, and this accommodating cavity is used for chip being installed, light cup etc. being set; Usually, aforementioned conducting terminal exposes in accommodating cavity bottom face a plurality of solder joints for connecting chip, such as six etc.There are some defectives in the led support of prior art, and for example, anti-permeability is not good etc.
And, during the moulding led support, be by conducting terminal (strip) and copper post are together put into mould, injecting glue molds the aforementioned dielectric main part again.Existing, mould need be done inner ring, buckles into behind the copper post again secondary injection molding, and production efficiency is low, and the quality fraction defective is high.
Therefore, how overcoming above shortcoming is the problem that needs to be resolved hurrily in the industry.
The utility model content
The first purpose of the present utility model provides a kind of led support, its Effective Raise anti-permeability; The second purpose of the present utility model provides a kind of mould for the moulding led support, and it has improved production efficiency and product quality greatly.
The utility model adopts following technical scheme for achieving the above object:
A kind of led support, comprise insulating body and produced by insert molding radiating copper post and two conducting terminals in this insulating body, wherein, this insulating body top is concaved with accommodating cavity, this conducting terminal includes fixed part and the weld part that one connects, this fixed position is in insulating body, this weld part stretches out in the insulating body outside, it is characterized in that: the fixed part of each conducting terminal stretches into corresponding accommodating cavity bottom position in the insulating body, and all is formed with the solder joint that one or two is exposed to accommodating cavity bottom on each fixed part.
As a kind of preferred version, the insulating body outside is all stretched out in described radiating copper capital end and bottom.
As a kind of preferred version, described fixed part is the semicircle loop configuration, and the fixed part of two conducting terminals encloses the formation cirque structure, and aforementioned radiating copper post is embedded in the interior circular hole of this cirque structure.
As a kind of preferred version, the junction of described fixed part and weld part is formed with bending structure, and this bending structure is positioned at insulating body inside.
As a kind of preferred version, described two solder joints are fastened, lower setting or left and right setting.
As a kind of preferred version, offer location hole on the fixed part of described conducting terminal.
A kind of mould for led support described in moulding such as the claim 1 includes male model, master mold, it is characterized in that: this master mold is provided with the cavity corresponding with the led support bottom shape, and these cavity both sides are connected with two and advance cast gate; This male model is provided with the cavity corresponding with the led support top shape, and this male model convexes with downwards for the protuberance against solder joint.
As a kind of preferred version, offer the location cavity with the copper post shapes coupling of exposing the insulating body bottom on the described master mold.
As a kind of preferred version, offer the location cavity with the copper post shapes coupling of exposing the insulating body top on the described male model.
As a kind of preferred version, be equipped be used to the pin that withstands the copper post in the described male model.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, by being exposed to the two or four solder joint in accommodating cavity bottom, reduced the exposed uncovered positions of fixed part, be connected seal between the fixed part that has strengthened conducting terminal and insulating body, Effective Raise anti-permeability, improved the quality of product;
Two, the solder joint of each led support is designed to two or four, compare the led support of the more solder joints in the conventional art, the structure in the required lamp pearly-lustre source that matches of the led support of the utility model is more simple, saved some raw material, simultaneously, solder joint still less, be more prone to during assembling, also simplify flow chart, improved production efficiency, reduced production cost;
Three, this led support mould single injection-molded goes out the insulating body of led support, and the die cavity of corresponding each led support is connected with two and advances cast gate, so, on the one hand can design littlely with advancing cast gate, on the insulating body to advance gate points less, product external surfaces is neat and consistent more, on the other hand, glue can balanced type be advanced in both sides, has improved filling speed and filling quality, thereby enhances productivity more greatly and product quality.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of led support strip among the first embodiment of the utility model;
Fig. 2 is the finished product structure schematic diagram (two solder joints) of the single led support of the first embodiment of the utility model;
Fig. 3 is the schematic cross-section at M-M place among Fig. 2;
Fig. 4 is the finished product structure schematic diagram (four solder joints) of the single led support of the first embodiment of the utility model;
Fig. 5 is the structural representation of led support strip among the second embodiment of the utility model;
Fig. 6 is the finished product structure schematic diagram of the single led support of the second embodiment of the utility model;
Fig. 7 is the schematic cross-section at N-N place among Fig. 6;
Fig. 8 is the mould package assembly schematic diagram of led support among the embodiment of the utility model;
Fig. 9 is the structural representation of male model;
Figure 10 is the structural representation of master mold;
Figure 11 is the mould partial structurtes schematic diagram of led support among the first embodiment;
Figure 12 is the mould partial structurtes schematic diagram of led support among the second embodiment.
The accompanying drawing identifier declaration:
100, led support 10, insulating body
11, accommodating cavity 20, radiating copper post
30, conducting terminal 31, fixed part
311, solder joint 32, weld part
301, wider end 302, narrow end section
33, bending structure 40, material-strap structure
200, male model 201, cavity
202, location cavity 203, protuberance
300, master mold 301, cavity
302, location cavity 400, pin
500, take off the material pull bar
Embodiment
Please refer to Fig. 1 to shown in Figure 4, it has demonstrated the concrete structure of the first embodiment of the utility model, this led support 100 comprises insulating body 10 and produced by insert molding radiating copper post 20 and two conducting terminals 30 in this insulating body 10, and insulating body 10 outsides are all stretched out in these radiating copper post 20 tops and bottom.
Wherein, these insulating body 10 tops are concaved with accommodating cavity 11, this conducting terminal 30 includes fixed part 31 and the weld part 32 that one connects, this fixed part 31 is positioned at insulating body 10, offer location hole on this fixed part 31, this weld part 32 stretches out in insulating body 10 outsides, the fixed part 31 of each conducting terminal 30 stretches into accommodating cavity 11 bottom positions of insulating body 10 interior correspondences, and all be formed with the solder joint 311 that (perhaps two) are exposed to accommodating cavity 11 bottoms on each fixed part 31, reduced the exposed uncovered positions of fixed part 31, the fixed part 31 of conducting terminal 30 and the seal that is connected of 10 of insulating bodies have been strengthened, Effective Raise anti-permeability, shown in 4, it has shown that accommodating cavity 11 bottoms of insulating body 10 in the led support 100 expose the structure of four solder joints; Aforementioned two solder joint 311(or four solder joints) be left and right symmetrical expression setting, 32 of the weld parts of aforementioned conducting terminal 30 are fastened, lower setting; Compare the led support of the more solder joints in the conventional art, the structure in the required lamp pearly-lustre source that matches of the led support of the utility model is more simple, has saved some raw material, has reduced production cost.
In the present embodiment, aforementioned fixed part 31 is the semicircle loop configuration, and the fixed part 31 of two conducting terminals 30 encloses the formation cirque structure, and aforementioned radiating copper post 20 is embedded in the interior circular hole of this cirque structure.
Then, see also Fig. 5 to shown in Figure 7, it has demonstrated the concrete structure of the second embodiment of the utility model, its primary structure and aforementioned the first embodiment are roughly the same, its difference is, the fixed part 31 of this two conducting terminal 30 all has a wider end 301 and narrow end section 302, and wherein the wider end 301 of a fixed part 31 is positioned at the below, its narrow end section 302 is positioned at the top, and the wider end 301 of another fixed part 31 is positioned at the top, its narrow end section 302 is positioned at the below, so, its solder joint 311 is arranged on the wider end 301; Can find out from material-strap structure shown in Figure 4, this kind conducting terminal is saved material, has been played the effect that reduces cost.In addition, the junction of this fixed part and weld part is formed with bending structure, and this bending structure is positioned at insulating body inside.
Below, the mould (extremely shown in Figure 12 such as Fig. 8) that is used for the above-mentioned led support of moulding is described in detail in detail, it includes male model, master mold, this master mold is provided with the cavity corresponding with the led support bottom shape, these cavity both sides are connected with two and advance cast gate, and offer the location cavity that mates with the copper post shapes of exposing the insulating body bottom on the master mold; This male model is provided with the cavity corresponding with the led support top shape, and this male model convexes with downwards for the protuberance against solder joint, and offers the location cavity that mates with the copper post shapes of exposing the insulating body top on the male model.
The strip of the whole row's formula that is stamped to form with the copper post and by sheet metal is put into the cavity of the master mold of injection mold, in the location cavity of the corresponding embedding in the bottom of copper post master mold, male model is closed on master mold, in the location cavity of the corresponding embedding in the top of copper post male model, the protuberance correspondence of male model is resisted against bond pad locations, then, carry out injection moulding, melt advances cast gate from two respectively and enters the cavity of master mold until the whole insulating body of moulding; In the present embodiment, be equipped with in the aforementioned male model be used to the pin that withstands the copper post, male model withstands copper post single injection-molded with pin, certainly, differing heights specification copper post is different with the pin height, also can adopt the floating pin structure of spring to do differing heights specification copper post, automatic ejection led support after the die sinking; Its whole manufacture process is simple, is applicable to batch production, and its production efficiency is high, superior product quality.
In sum, design focal point of the present utility model is:
One, by being exposed to the two or four solder joint in accommodating cavity bottom, reduced the exposed uncovered positions of fixed part, be connected seal between the fixed part that has strengthened conducting terminal and insulating body, Effective Raise anti-permeability, improved the quality of product;
Two, the solder joint of each led support is designed to two or four, compare the led support of the more solder joints in the conventional art, the structure in the required lamp pearly-lustre source that matches of the led support of the utility model is more simple, saved some raw material, simultaneously, solder joint still less, be more prone to during assembling, also simplify flow chart, improved production efficiency, reduced production cost;
Three, this led support mould single injection-molded goes out the insulating body of led support, and the die cavity of corresponding each led support is connected with two and advances cast gate, so, on the one hand can design littlely with advancing cast gate, on the insulating body to advance gate points less, product external surfaces is neat and consistent more, on the other hand, glue can balanced type be advanced in both sides, has improved filling speed and filling quality, thereby enhances productivity more greatly and product quality.
The above, it only is the utility model preferred embodiment, be not that technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.
Claims (10)
1. led support, comprise insulating body and produced by insert molding radiating copper post and two conducting terminals in this insulating body, wherein, this insulating body top is concaved with accommodating cavity, this conducting terminal includes fixed part and the weld part that one connects, this fixed position is in insulating body, this weld part stretches out in the insulating body outside, it is characterized in that: the fixed part of each conducting terminal stretches into corresponding accommodating cavity bottom position in the insulating body, and all is formed with the solder joint that one or two is exposed to accommodating cavity bottom on each fixed part.
2. led support according to claim 1, it is characterized in that: the insulating body outside is all stretched out in described radiating copper capital end and bottom.
3. led support according to claim 1, it is characterized in that: described fixed part is the semicircle loop configuration, and the fixed part of two conducting terminals encloses the formation cirque structure, and aforementioned radiating copper post is embedded in the interior circular hole of this cirque structure.
4. led support according to claim 1, it is characterized in that: the junction of described fixed part and weld part is formed with bending structure, and this bending structure is positioned at insulating body inside.
5. led support according to claim 1 is characterized in that: described two solder joints are fastened, lower setting or left and right setting.
6. led support according to claim 1 is characterized in that: offer location hole on the fixed part of described conducting terminal.
7. a mould that is used for led support described in moulding such as the claim 1 includes male model, master mold, and it is characterized in that: this master mold is provided with the cavity corresponding with the led support bottom shape, and these cavity both sides are connected with two and advance cast gate; This male model is provided with the cavity corresponding with the led support top shape, and this male model convexes with downwards for the protuberance against solder joint.
8. mould according to claim 7 is characterized in that: offer the location cavity with the copper post shapes coupling of exposing the insulating body bottom on the described master mold.
9. mould according to claim 7 is characterized in that: offer the location cavity with the copper post shapes coupling of exposing the insulating body top on the described male model.
10. mould according to claim 7 is characterized in that: be equipped be used to the pin that withstands the copper post in the described male model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202694526U CN202721183U (en) | 2012-06-08 | 2012-06-08 | LED support and forming mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202694526U CN202721183U (en) | 2012-06-08 | 2012-06-08 | LED support and forming mold thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721183U true CN202721183U (en) | 2013-02-06 |
Family
ID=47622991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202694526U Expired - Fee Related CN202721183U (en) | 2012-06-08 | 2012-06-08 | LED support and forming mold thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202721183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149556A (en) * | 2017-06-27 | 2019-01-04 | 通用电气航空系统有限责任公司 | Solid state electrical contactor |
-
2012
- 2012-06-08 CN CN2012202694526U patent/CN202721183U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149556A (en) * | 2017-06-27 | 2019-01-04 | 通用电气航空系统有限责任公司 | Solid state electrical contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150608 |
|
| EXPY | Termination of patent right or utility model |