Multi-functional contact portion and have the key-press module of this contact site
Technical field
The utility model relates to a kind of multi-functional contact portion and has the key-press module of this contact site, is meant a kind of key-press module that is applied to especially, and can be for rubber key and the shared multi-functional portion that contacts of metallic film button.
Background technology
Along with the arriving of information age, button has become one of modal data input tool.Present button comprises rubber key (rubber key) that is disclosed in Fig. 1 and the metallic film button (metal dome) that is disclosed in Fig. 2, though the former is cheap, the sense of touch when pushing is bad; Though the latter is more expensive, the sense of touch when pushing is better.
See also the first kind of key-press module 1 that belongs to rubber key (rubber key) shown in Figure 1, it comprises a key body 11, an elastomer 12, an electric conductor 121 and a circuit board 13.Elastomer 12 is arranged at key body 11 bottoms, and electric conductor 121 is arranged at the bottom of elastomer 12, then is provided with the contact site that electrically contacts for electric conductor 121 on the circuit board 13.
See also the circuit board 13 shown in Figure 1A, which is provided with contact site application examples one as shown in the figure, comprise while first and second contact site 131,132 corresponding to electric conductor 121, interlaced with each other between this first and second contact site 131,132, therefore when pushing, the single conductive part (not indicating figure number) of electric conductor 121 bottoms can be contacted with on first and second contact site 131,132 and conducting simultaneously.As for the contact site application examples two shown in Figure 1B, also interlaced with each other between its first and second contact site 131a, the 132a, and the contact site application examples three shown in Fig. 1 C, also interlaced with each other between its first and second contact site 131b, the 132b, so as to application examples two, three also all can be contacted and conducting by the single conductive part of electric conductor 121 when pushing.
See also the second kind of key-press module 2 that belongs to metallic film button (metal dome) shown in Figure 2, it also comprises key body 21, elastomer 20, electric conductor 22 and circuit board 23, particularly its electric conductor 22 has comprised first conductive part 221 that is positioned at circumference and second conductive part 222 that is positioned at the center, and the contact site on its circuit board 23 (shown in Fig. 2 and Fig. 2 A), then comprised corresponding to first conductive part 221 and circular first contact site 231 that contacts with each other and second contact site 232 of contact not corresponding to second conductive part 222 but as yet, therefore when pushing, second conductive part 222 will be taken advantage of a situation recessed and will be contacted with second contact site 232 of round point shape, make electric conductor 22 be contacted with first simultaneously, two contact sites 231,232 and conducting.
Because first kind of key-press module 1 shown in Figure 1, though its button belongs to the cheap but bad rubber key (rubber key) of pressing touch of price, and second kind of key-press module 2 shown in Figure 2, though its button then belongs to the more expensive but pressing touch preferred metal film key (metaldome) of price, therefore, except respectively having the pluses and minuses, be located at circuit board 13, contact site on 23 also has nothing in common with each other, can't allow rubber key (comprise key body 11, elastomer 12 and electric conductor 121) or the metallic film button (comprise key body 21, elastomer 20 and electric conductor 22) share, in other words, if in the time of very will using rubber key instead or use the metallic film button instead, to change the circuit layout on the circuit board and can't reduce cost, because of different contact sites has different circuit layouts.
The utility model content
Multi-functional contact portion provided by the utility model and have the key-press module of this contact site, multi-functional contact portion by particular design, have staggered portion that uses for rubber key and outer ring contact site and the center contact site that uses for the metallic film button simultaneously, so as to allowing rubber key share this multi-functional portion that contacts in same circuit board by bond energy with metallic film, when wanting to change button is rubber key or when being replaced by the metallic film button, really all need not change the circuit layout on the circuit board, cost is can corresponding reduction.
For solving above-mentioned all problems, the utility model provides a kind of key-press module, and it comprises a key body, an elastomer, an electric conductor and a circuit board.Wherein, this elastomer is arranged at the bottom of this key body; This electric conductor is arranged at this elastomeric bottom; This circuit board then is provided with a center contact site, an outer ring contact site and a staggered portion that electrically contacts for this electric conductor, this outer ring contact site is surrounded on outside this center contact site, should staggered portion comprise first shaft of rib and most second shaft of rib that is connected in this center contact site that majority is connected in this outer ring contact site, those first shafts of rib and those second shafts of rib are interlaced with each other between this center contact site and outer ring contact site.
The utility model provides a kind of multi-functional contact portion in addition, for being applied to a key-press module, this key-press module comprises that one has the button and a circuit board of an electric conductor, this circuit board is provided with the contact site that electrically contacts for this electric conductor, and this contact site comprises a center contact site, an outer ring contact site and a staggered portion.Wherein, this outer ring contact site is surrounded on outside this center contact site; Should staggered portion comprise first shaft of rib and most second shaft of rib that is connected in this center contact site that majority is connected in this outer ring contact site, those first shafts of rib and those second shafts of rib are interlaced with each other between this center contact site and outer ring contact site.
A kind of multi-functional contact portion provided by the utility model and have the key-press module of this contact site, since should be multi-functional contact portion have simultaneously for the staggered portion of rubber key use and for the outer ring contact site and the center contact site of metallic film button use, so as to allowing rubber key share this multi-functional portion that contacts in same circuit board by bond energy with metallic film, when wanting to change button is rubber key or when being replaced by the metallic film button, really all need not change the circuit layout on the circuit board, cost is can corresponding reduction.
Description of drawings
Fig. 1 is the generalized section of known first kind of key-press module.
Figure 1A-Fig. 1 C is the vertical view of three kinds of application examples of the contact site in known first kind of key-press module.
Fig. 2 is the generalized section of known second kind of key-press module.
Fig. 2 A is the vertical view of the contact site in known second kind of key-press module.
Fig. 3 is the vertical view of first embodiment of the multi-functional contact of the utility model portion.
Fig. 3 A is the generalized section (having used the multi-functional contact portion of Fig. 3) of first kind of key-press module of the utility model.
Fig. 3 B is the generalized section (having used the multi-functional contact portion of Fig. 3) of second kind of key-press module of the utility model.
Fig. 4 is the vertical view of second embodiment of the multi-functional contact of the utility model portion.
Fig. 4 A is the generalized section (having used the multi-functional contact portion of Fig. 4) of first kind of key-press module of the utility model.
Fig. 4 B is the generalized section (having used the multi-functional contact portion of Fig. 4) of second kind of key-press module of the utility model.
The main element description of reference numerals:
Known
1 key-press module
11 key bodies
12 elastomers, 121 electric conductors
13 circuit boards, 131 first contact sites
132 second contact sites
2 key-press modules
20 elastomers
21 key bodies
22 electric conductors, 221 first conductive parts
222 second conductive parts
23 circuit boards, 231 first contact sites
232 second contact sites
The utility model:
300 key-press modules
3 key bodies
4 elastomers, 41 electric conductors
5 circuit boards
51 outer ring contact sites
52 center contact sites
53 staggered portions, 531 first shafts of rib
532 second shafts of rib
6 circuit boards
61 outer ring contact sites
62 center contact sites
63 staggered portions, 631 first shafts of rib
632 second shafts of rib
7 key bodies
8 elastomers
81 electric conductors, 811 first conductive parts
812 second conductive parts
Embodiment
For further understanding feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing.
See also shown in Fig. 3,4, the utility model provides a kind of multi-functional contact portion and has the key-press module of this contact site, this key-press module 300 comprises a rubber key and a circuit board, or comprise a metallic film button and a circuit board, this rubber key comprises key body 3, elastomer 4 and electric conductor 41, this metallic film button then comprises key body 7, elastomer 8 and electric conductor 81, then is located on this circuit board 5 or 6 as for this multi-functional contact portion.
See also shown in Fig. 3 A or Fig. 4 A, rubber key wherein comprises key body 3, be arranged at the elastomer 4 of key body 3 bottoms and be arranged at the electric conductor 41 of elastomer 4 bottoms, and the bottom of this electric conductor 41 has single conductive part (not indicating figure number).
See also shown in Fig. 3 B or Fig. 4 B, metallic film button wherein comprises key body 7, be arranged at the elastomer 8 of key body 7 bottoms and the electric conductor 81 of elastomer 8 bottoms is set, and 81 of this electric conductors comprise second conductive part 812 that first conductive part 811 and that is positioned at circumference is positioned at the center.
See also Fig. 3, and collocation is consulted shown in Fig. 3 A and Fig. 3 B, vertical view for first embodiment of the multi-functional contact of the utility model portion, this multi-functional contact portion that is located on the circuit board 5 comprises outer ring contact site 51, center contact site 52 and staggered portion 53, wherein, the outer ring contact site 51 of the 3rd figure is corresponding to first conductive part 811 (ginseng Fig. 3 B) of aforementioned metal film key, the center contact site 52 of Fig. 3 is corresponding to second conductive part 812 (ginseng Fig. 3 B) of aforementioned metal film key, 53 electric conductor 41 (single conductive parts of staggered portion as for Fig. 3 corresponding to aforementioned rubber key, ginseng Fig. 3 A), staggered portion 53 has comprised most first shaft of rib 531 and most second shafts of rib 532 that are connected in center contact site 52 that are connected in outer ring contact site 51, and those first shafts of rib 531 and those second shafts of rib 532 are interlaced with each other between center contact site 52 and outer ring contact site 51.
Majority first shaft of rib 531 and most second shaft of rib 532 that are somebody's turn to do in the staggered portion 53 are strip, respectively this first shaft of rib 531 extends internally from outer ring contact site 51, respectively 532 of this second shafts of rib stretch out from center contact site 52, inwardly and be to form shape interlaced with each other between stretching out.
See also shown in Fig. 3 A, when rubber key is applied to the multi-functional contact portion of first embodiment, outer ring contact site 51, center contact site 52 and staggered portion 53, while is corresponding to the single conductive part of these electric conductor 41 bottoms, therefore when pushing, this single conductive part will be contacted with outer ring contact site 51, center contact site 52 and staggered portion 53 and conducting simultaneously, when only touching center contact site 52 and staggered portion 53 as if electric conductor 41 even, also can conducting, be not that must contact with outer ring contact site 51 could conducting again.
See also shown in Fig. 3 B, when the metallic film button is applied to the multi-functional contact portion of first embodiment, first conductive part 811 has been contacted with outer ring contact site 51,52 of center contact sites are corresponding to second conductive part 812 (or the combination of center contact site 52 and staggered portion 53 is corresponding to second conductive part 812), therefore when pushing, second conductive part 812 will be taken advantage of a situation and will be contacted with center contact site 52, make electric conductor 81 be contacted with outer ring contact site 51 and center contact site 52 (or being contacted with staggered portion 53 again) simultaneously and conducting.
In view of the above, rubber key and metallic film button can be shared the contact site of this first embodiment really in same circuit board 5, and reach multi-functional effect.
See also Fig. 4, and collocation is consulted shown in Fig. 4 A and Fig. 4 B, vertical view for second embodiment of the multi-functional contact of the utility model portion, this multi-functional contact portion that is located on the circuit board 6 also comprises outer ring contact site 61, center contact site 62 and staggered portion 63, wherein, the outer ring contact site 61 of Fig. 4 is also corresponding to first conductive part 811 of aforementioned metal film key (ginseng Fig. 4 B), the center contact site 62 of Fig. 4 is also corresponding to second conductive part 812 of aforementioned metal film key (ginseng Fig. 4 B), as for 63 in the staggered portion of Fig. 4 also corresponding to electric conductor 41 (the single conductive part of aforementioned rubber key, ginseng Fig. 4 A), staggered portion 63 has also comprised most first shaft of rib 631 and most second shafts of rib 632 that are connected in center contact site 62 that are connected in outer ring contact site 61, and those first shafts of rib 631 and those second shafts of rib 632 are also interlaced with each other between center contact site 62 and outer ring contact site 61.
Majority first shaft of rib 631 in this staggered portion 63 and most second shaft of rib 632 are frame and enclose shape, for example rectangle, triangle or circle as shown in the figure, respectively this first shaft of rib 631 inwardly forms round and round from this outer ring contact site 61, and respectively this first shaft of rib 631 also links to each other in regular turn; Respectively this second shaft of rib 632 then outwards forms round and round from this center contact site 62, and respectively this second shaft of rib 632 also links to each other in regular turn.
See also shown in Fig. 4 A, when rubber key is applied to the multi-functional contact portion of second embodiment, outer ring contact site 61, center contact site 62 and staggered portion 63, while is corresponding to the single conductive part of these electric conductor 41 bottoms, therefore when pushing, this single conductive part will be contacted with outer ring contact site 61, center contact site 62 and staggered portion 63 and conducting simultaneously, when only touching center contact site 62 and staggered portion 63 as if electric conductor 41 even, also can conducting, be not that must contact with outer ring contact site 61 could conducting again.
See also shown in Fig. 4 B, when the metallic film button is applied to the multi-functional contact portion of second embodiment, first conductive part 811 has been contacted with outer ring contact site 61,62 of center contact sites are corresponding to second conductive part 812 (or the combination of center contact site 62 and staggered portion 63 is corresponding to second conductive part 812), therefore when pushing, second conductive part 812 will be taken advantage of a situation and will be contacted with center contact site 62, make electric conductor 81 be contacted with outer ring contact site 61 and center contact site 62 (or being contacted with staggered portion 63 again) simultaneously and conducting.
In view of the above, rubber key and metallic film button can be shared the contact site of this second embodiment really in same circuit board 6, and reach multi-functional effect.
In sum, a kind of multi-functional contact portion provided by the utility model and have the key-press module of this contact site, since should be multi-functional contact portion have simultaneously for the staggered portion 53,63 of rubber key use and for the outer ring contact site 51,61 and the center contact site 52,62 of metallic film button use, so as to allowing rubber key share this multi-functional portion that contacts in same circuit board 5,6 by bond energy with metallic film, when wanting to change button is rubber key or when being replaced by the metallic film button, really all need not change the circuit layout on the circuit board, cost is can corresponding reduction.
The above person, only be the preferable feasible embodiment of one of the utility model, non-so promptly limit to interest field of the present utility model, the equivalence that all utilization the utility model specifications and accompanying drawing content are done changes, all reason is with being contained in the interest field of the present utility model explanation hereby.