CN101923976B - Key switch provide with light-emitting diode - Google Patents
Key switch provide with light-emitting diode Download PDFInfo
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- CN101923976B CN101923976B CN200910149327A CN200910149327A CN101923976B CN 101923976 B CN101923976 B CN 101923976B CN 200910149327 A CN200910149327 A CN 200910149327A CN 200910149327 A CN200910149327 A CN 200910149327A CN 101923976 B CN101923976 B CN 101923976B
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- emitting diode
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Abstract
The invention relates to a key switch provided with light-emitting diode, comprising an insulation base, three terminals, a raised shrapnel, a pressing handle, a light-emitting diode and an upper cover. The insulation base is provided with a chamber containing the raised shrapnel and the pressing handle, the three terminals includes a first positive terminal, a second positive terminal and a negative terminal, the periphery part of the raised shrapnel is arranged on the negative terminal, and the central part is arranged above the second positive pole terminal. The light-emitting diode is encapsulated in the pressing handle, the upper cover is arranged on the insulation base, and the pressing handle can be selectively pressed down, so that the second positive terminal and the negative terminal are electrically connected by virtue of the raised shrapnel. Thus, the invention can directly give out light for illumination and indication, the entire structure thereof is simple, and the key switch can be slimmer and lighter.
Description
Technical field
The invention relates to a kind of key switch of tool light-emitting diode, refer to a kind of key switch that is applicable to compact electronic product especially.
Background technology
(Light Emitting Diode is a kind of semiconductor element LED), has long, and the advantage of saving the energy of little power consumption, life-span, in stressing environmental protection now, saving epoch of the energy, more prevalent being used in the various key switches to press light-emitting diode.
In addition; For general electronic products; For example sound equipment, audio mixing engineering equipment, audio-visual devices etc., some switch (Switch) regular meeting and light-emitting diode together use, so that can be in the more gloomy occasion of light; When for example using above-mentioned audio-visual devices in cinema, the family, the light of light-emitting diode can be simultaneously as the usefulness of guidance lighting.
Yet, the key switch of existing tool light-emitting diode, because of the body domestic demand of its key switch with switch and the overlapping assembling of light-emitting diode; And the diffuser of arranging in pairs or groups again of still needing sometimes together uses; Cause the excessive height of whole key switch product, volume is excessive, can't reach the design of slimming; Thereby can't apply in the compact electronic product, be not very good.
Summary of the invention
The objective of the invention is to, a kind of key switch of the tool light-emitting diode that can address the above problem is provided.
The invention relates to a kind of key switch of tool light-emitting diode, include: an insulator foot, three terminals, a protruding shell fragment, a press handle, a light-emitting diode, an and loam cake.
Above-mentioned insulator foot includes a upper surface, an inner bottom surface, reaches a room.Three terminals include one first positive terminal, one second positive terminal, an and negative terminal, and three terminals do not contact each other mutually, and each terminal includes one and exposes portion, an and contact site.Protruding shell fragment is located in the room of insulator foot; Protruding shell fragment includes an outer edge, reaches a central portion; The outer edge is carried on the inner bottom surface be supported in insulator foot and is in contact with one another with the contact site of negative terminal, and central portion then is positioned at the contact site top of second positive terminal.
Above-mentioned press handle is slidedly arranged on the room of insulator foot and is positioned on the protruding shell fragment, and press handle includes a top supporting part, reaches two conducting strips.Light-emitting diode is fixedly arranged on the one of which at least of two conducting strips and is electrically connected with first positive terminal and negative terminal.Again, loam cake is covered on the insulator foot, and in order to fixedly press handle is in room, loam cake includes an opening, and the opening correspondence is sheathed on the top supporting part periphery.
Wherein, press handle can selecting type presses down, impel second positive terminal, and negative terminal electrically connect via protruding shell fragment.Thus; The present invention directly with LED package in press handle, make key switch can be directly luminous with usefulness as the illumination indication, its overall structure is simple; Can make the key switch volume more compact; Thereby can directly apply to the electronic product of slimming, and like the key switch of consumption such as sound equipment, LCD, satellite navigation with electronic product, increase product application flexibility.
In addition, the top supporting part of above-mentioned press handle can coat two conducting strips and be integrally formed the structure of formula, and insulator foot also can coat three terminals and be integrally formed shaped structures, so that can dwindle the volume of whole key switch.
In addition, the upper surface of above-mentioned insulator foot can be provided with a projection, and loam cake and correspondence be provided with a through hole, and projection can be sticked in through hole, so that as the sign orientation function of assembling loam cake and insulator foot.
Moreover the side of above-mentioned insulator foot can be provided with a slot, and the side of loam cake and correspondence be provided with a L type fastening plate, inserts and is sticked on the slot of insulator foot but L type fastening plate is bending, so that make the loam cake positioning and fixing on insulator foot.
Again, above-mentioned protruding shell fragment can be the protruding shell fragment of the conducting metal material of an arc-shaped convex shell fragment or other equivalent structure.Press handle then can be the press handle of opaque or translucent material in addition.
In addition, above-mentioned press handle can also include a pedestal, and pedestal can have a shoulder, and the room of insulator foot and correspondence can have a groove, and shoulder can be sticked in groove, and is so that press handle can be positioned on the insulator foot, can left and right sides heavy curtain moving.
In addition, two conducting strips of above-mentioned press handle can not contact each other mutually, and light-emitting diode can be electrically connected with two conducting strips by a conductor wire.Again, an end of two conducting strips can be respectively by touching first positive terminal, and the contact site of negative terminal, and reach the function that electrically connects with first positive terminal and negative terminal.
Description of drawings
By the narration and the conjunction with figs. explanation of following preferred embodiment, the object of the invention, characteristic and advantage will be more clear, wherein:
Fig. 1 is the exploded view of the present invention's one preferred embodiment.
Fig. 2 is the stereogram of the present invention's one preferred embodiment.
Fig. 3 is the press handle of the present invention's one preferred embodiment and the stereogram of light-emitting diodes pipe jointing.
Fig. 4 is the stereogram that the terminal of the present invention's one preferred embodiment combines with this insulator foot.
Fig. 5 is the present invention's one preferred embodiment and the stereogram that combines with light-guiding shade.
Embodiment
See also Fig. 1, and Fig. 2, it is respectively exploded view, and the stereogram of the present invention's one preferred embodiment.Present embodiment relates to a kind of key switch of tool light-emitting diode, and it includes: the protruding shell fragment of an insulator foot 10, three terminals 21,22,23, one 30, a press handle 40, a light-emitting diode 50, a conductor wire 51 and a loam cake 60.
As shown in Figure 1; Three terminals 21,22,23 include one first positive terminal 21, one second positive terminal 22, an and negative terminal 23; Three terminals 21,22,23 do not contact each other mutually; And each positive terminal 21,22 includes one and exposes portion 211,221, an and contact site 212,222, and each positive terminal 21,22 is all the structure of integral type, and it exposes portion 211,221 and contact site the 212, the 222nd, joins together.Negative terminal 23 then includes two and exposes portion 2311,2312, and three contact sites 2321,2322,2323, and negative terminal 23 also is the structure of integral type, and it two exposes portion 2311,2312 and three contact sites the 2321,2322, the 2323rd, joins together.
Protruding shell fragment 30; Be located in the room 103 of insulator foot 10; Protruding shell fragment 30 includes an outer edge 301, an and central portion 302; Outer edge 301 is to carry to be supported on the inner bottom surface 102 of insulator foot 10, and two contact sites 2321,2322 of contact negative terminal 23, and central portion 302 then is positioned at contact site 222 tops of second positive terminal 22.In the present embodiment, protruding shell fragment 30 is to be the arc-shaped convex shell fragment 30 of a conducting metal material.
As shown in Figure 1, press handle 40 is slidedly arranged on the room 103 of insulator foot 10, and is positioned on the protruding shell fragment 30, and press handle 40 includes a top supporting part 401, a pedestal 402, and two conducting strips 403,404.Wherein, pedestal 402 also has two shoulders 407, and this two shoulder 407 is to be sticked in respectively in two grooves 107 of room 103 of insulator foot 10, can press handle 40 be positioned in the room 103 of insulator foot 10 thus, makes it can the moving or rotation of left and right sides heavy curtain.
Light-emitting diode 50 welderings are located on the conducting strip 404 of press handle 40; And two conducting strips 403,404 do not contact each other mutually; Light-emitting diode 50 also is electrically connected with conducting strip 403 by conductor wire 51; That is, the positive and negative electrode of light-emitting diode 50 respectively by two conducting strips 403,404 with first positive terminal 21, and the contact site 212,2323 of negative terminal 23 be electrically connected.In this enforcement, two conducting strips 403,404, an end be to touch this first positive terminal 21, and the contact site 212,2323 of this negative terminal 23 respectively.
In this enforcement; Press handle 40 can be the press handle 40 of opaque or translucent material; And the top supporting part 401 of press handle 40 has a hollow channel, can the brightness that be fixedly arranged on the light-emitting diode 50 on the conducting strip 404 be passed to the key switch outside, as the usefulness of illumination indication.
Like Fig. 1, shown in 2; Loam cake 60 is covered on the insulator foot 10; In order to fixing press handle 40 in room 103, loam cake 60 include an opening 601, one and the corresponding through hole of the projection of insulator foot 10 105 605, and two with the slot 106 corresponding L type fastening plates 606 of insulator foot 10.Wherein, opening 601 is top supporting part 401 peripheries that correspondence is sheathed on press handle 40; 105 correspondences of the projection of the upper surface 101 of insulator foot 10 are sticked in through hole 605, as the sign orientation function of assembling loam cake 60 with insulator foot 10; Two L type fastening plates 606 then respectively bending insert two slots 106 be sticked in insulator foot 10, loam cake 60 is fastened on the insulator foot 10.
The press handle 40 of present embodiment is can selecting type to press down, impel second positive terminal 22, and the contact site 222,2321,2322 of negative terminal 23 electrically connect via this convexity shell fragment 30, and have the function of button.
Thus; Present embodiment directly is packaged in light-emitting diode 50 in the press handle 40, makes key switch directly luminous with the usefulness as the illumination indication, and its overall structure is simple; Can make the key switch volume more compact; Thereby can directly apply to the electronic product of slimming, and like the key switch of consumption such as sound equipment, LCD, satellite navigation with electronic product, increase product application flexibility.
Seeing also Fig. 3 is the press handle of the present invention's one preferred embodiment and the stereogram of light-emitting diodes pipe jointing; And please consult Fig. 1 in the lump; Two conducting strips 403,404 and the top supporting part 401 of press handle 40 are the structures for integral type; Light-emitting diode 50 welderings are located on the conducting strip 404; Light-emitting diode 50 is electrically connected with conducting strip 403 by conductor wire 51 again, the positive and negative electrode of light-emitting diode 50 respectively by two conducting strips 403,404 with first positive terminal 21, and the contact site 212,2323 of negative terminal 23 be electrically connected, thereby can dwindle the volume of whole key switch.
See also Fig. 4 and be the stereogram that the terminal of the present invention's one preferred embodiment combines with this insulator foot, in the present embodiment, these three terminals 21,22,23 and this insulator foot 10 are the structures for integral type.In the present embodiment, insulator foot 10 is that the connection contact site 212,222,2321,2322,2323 that coats each sheet terminal 21,22,23 makes insulator foot 10 and these three terminals 21,22,23 be integrally formed shaped structures with the connecting portion that exposes portion 211,221,2311,2312 (figure does not indicate component symbol).Wherein, Contact site 212,222,2321,2322,2323 is fixedly arranged within the insulator foot 10; Exposing portion 211,221,2311,2312 then convexedly stretches in outside the insulator foot 10; And the said portion the 211,221,2311, the 2312nd of exposing, level protrudes out, and forms the key switch of the tool dichromatic LED of a horizontal surface mount (SMT:Surface Mounting Technology).
The stereogram that sees also Fig. 5 and be the present invention's one preferred embodiment and combine with light-guiding shade; The structure of a present embodiment and a last embodiment is roughly the same; Its difference only is present embodiment and have a light-guiding shade 70 more, and on the light-guiding shade 70 and be printed with a functional symbol 701, as the function of sign.
The foregoing description only is to explain for ease and give an example, and the interest field that the present invention advocated is from should being as the criterion so that claim is said, but not only limits to the foregoing description.
Claims (9)
1. the key switch of a tool light-emitting diode comprises:
One insulator foot includes a upper surface, an inner bottom surface, reaches a room:
Three terminals; Include one first positive terminal, one second positive terminal, reach a negative terminal; Do not contact mutually each other; Each positive terminal includes one and exposes portion, an and contact site, and this negative terminal includes two and exposes portion, one first contact site, one second contact site and one the 3rd contact site;
One protruding shell fragment; Be located in this room; Include an outer edge, reach a central portion, this first contact site and this second contact site that is supported on this inner bottom surface and contacts this negative terminal carried in this outer edge, and this central part is in this contact site top of this second positive terminal;
One press handle is slidedly arranged on this room and is positioned on this convexity shell fragment, includes a top supporting part, one first conducting strip and one second conducting strip;
One light-emitting diode sets firmly and is electrically connected on this first conducting strip, and is electrically connected with this second conducting strip through a conductor wire, and with this first positive terminal, reach this negative terminal and be electrically connected; And
One loam cake is covered on this insulator foot, in this room, includes an opening in order to fixing this press handle, and this opening correspondence is sheathed on this top supporting part periphery;
Wherein, this press handle can press down by selecting type, impels this second positive terminal, reaches this negative terminal via this convexity shell fragment electric connection.
2. the key switch of tool light-emitting diode as claimed in claim 1, wherein, this two conducting strip and this top supporting part are the structure of integral type.
3. the key switch of tool light-emitting diode as claimed in claim 1, wherein, these three terminals and this insulator foot are the structure of integral type.
4. the key switch of tool light-emitting diode as claimed in claim 1, wherein, this upper surface of this insulator foot also is provided with a projection, and this loam cake and correspondence be provided with a through hole, and this projection is sticked in this through hole.
5. the key switch of tool light-emitting diode as claimed in claim 1, wherein, the side of this insulator foot also is provided with a slot, and the side of this loam cake and correspondence be provided with a L type fastening plate, and this L type fastening plate is sticked in this slot.
6. the key switch of tool light-emitting diode as claimed in claim 1, wherein, this press handle also includes a pedestal, and this pedestal also has a shoulder, and this room and correspondence have a groove, and this shoulder is sticked in this groove.
7. the key switch of tool light-emitting diode as claimed in claim 1, wherein, this convexity shell fragment is an arc-shaped convex shell fragment.
8. the key switch of tool light-emitting diode as claimed in claim 1, wherein, an end of this two conducting strip touches this contact site of this first positive terminal respectively, reaches the 3rd contact site of this negative terminal.
9. the key switch of tool light-emitting diode as claimed in claim 1, wherein, this press handle is the press handle of a translucent or transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910149327A CN101923976B (en) | 2009-06-16 | 2009-06-16 | Key switch provide with light-emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910149327A CN101923976B (en) | 2009-06-16 | 2009-06-16 | Key switch provide with light-emitting diode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101923976A CN101923976A (en) | 2010-12-22 |
| CN101923976B true CN101923976B (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910149327A Active CN101923976B (en) | 2009-06-16 | 2009-06-16 | Key switch provide with light-emitting diode |
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| Country | Link |
|---|---|
| CN (1) | CN101923976B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489833A (en) * | 2011-11-22 | 2012-06-13 | 济南尼克焊接技术有限公司 | Digital display integrated control welding gun handle |
| CN111106222B (en) * | 2018-10-29 | 2021-03-26 | 隆达电子股份有限公司 | Light emitting module |
| CN111446345A (en) | 2019-01-16 | 2020-07-24 | 隆达电子股份有限公司 | Packaging structure of light-emitting element |
| CN112289612A (en) * | 2019-07-22 | 2021-01-29 | 薛慎彬 | Push type switch with light transmission structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2483821Y (en) * | 2001-06-14 | 2002-03-27 | 东莞大朗金准电器厂 | Light adjustable on-line switch |
| CN200941344Y (en) * | 2006-08-31 | 2007-08-29 | 福华电子股份有限公司 | Switch structure |
-
2009
- 2009-06-16 CN CN200910149327A patent/CN101923976B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2483821Y (en) * | 2001-06-14 | 2002-03-27 | 东莞大朗金准电器厂 | Light adjustable on-line switch |
| CN200941344Y (en) * | 2006-08-31 | 2007-08-29 | 福华电子股份有限公司 | Switch structure |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2006-19151A 2006.01.19 |
| JP特开2007－220349A 2007.08.30 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101923976A (en) | 2010-12-22 |
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