CN205179013U - Keyboard button and keyboard of application area source - Google Patents
Keyboard button and keyboard of application area source Download PDFInfo
- Publication number
- CN205179013U CN205179013U CN201520914759.0U CN201520914759U CN205179013U CN 205179013 U CN205179013 U CN 205179013U CN 201520914759 U CN201520914759 U CN 201520914759U CN 205179013 U CN205179013 U CN 205179013U
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- light
- receiving element
- keyboard
- area source
- light receiving
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Abstract
Keyboard button and keyboard of application area source includes: the circuit board for provide circuit connection, it has a mounting hole to open on the circuit board, light receiving element arranges mounting hole one side in and is connected with circuit board electricity, the area source is located circuit board below and is connected with circuit board electricity for send the light signal to light receiving element, key -holder, in the mounting hole of packing into, its top -down opening forms a guide basket, according to the axle, in the guide basket of packing into, be connected through a spring and the bottom of guide basket according to the axle to can follow the guide basket slides from top to bottom, the key -holder top is located to the key cap to be connected with the top according to the axle, the light path switch, locate in the key -holder and with press the hub connection, when sliding from top to bottom along the guide basket according to the axle, the light path switch can move for light receiving element to optical pass between expert, section light source and the light receiving element. Every button only need provide the area source of a light receiving element cooperation sharing separately can realize the key switch, has reduced substantially the assembling element of keyboard and button.
Description
Technical field
The utility model relates to press key input device, specifically uses keyboard and the keyboard of area source.
Background technology
Optical axis keyboard is novel keyboard in recent years, and it is on traditional mechanical key axle technical foundation, adds brand-new optical sensor recognition technology, is optical sensor assembly by replacing traditional contact plectrum, some problems of improvement conventional contact mechanical switch.Specifically, the button of optical axis keyboard have employed photocell and light receiving element, realizes key switch signal by the light path of blocking-up and conducting.
Usual each button can distinguish an adaptive photocell and a light receiving element, and namely the quantity of photocell and light receiving element is multiplied along with the quantity increase of button on keyboard.This just causes the assembling element of keyboard numerous, and the failure rate of element is also multiplied, and corresponding production cost and the cost of overhaul also increase.
Utility model content
The utility model, in order to make up the deficiencies in the prior art, provides a kind of keyboard using area source, and it adopts the area source can shared with other keyboards as photocell, and concrete technical scheme is as follows.
Use the keyboard of area source, comprising:
Circuit board, for providing circuit to connect, circuit board has an installing hole;
Light receiving element, is placed in installing hole side and is electrically connected with circuit board;
Area source, to be located at below circuit board and to be electrically connected with circuit board, for sending light signal to light receiving element;
Key base, load in installing hole, its top-down opening forms a guiding basket;
Press axle, load in guiding basket, be connected by the bottom of a spring with guiding basket by axle, and can slide up and down along guiding basket;
Keycap, is located at above key base, and is connected with the top by axle;
Light path switch, to be located in key base and to be connected with by axle;
When sliding up and down along guiding basket by axle, light path switch can relative to light receiving element transient motion, with the light path between switching area source and light receiving element.
According to same technical conceive, the utility model additionally provides a kind of keyboard using area source, and this keyboard has multiple keyboard, and keyboard is the keyboard of above-mentioned utilization area source, and wherein multiple keyboard shares same area source.
With prior art ratio, the beneficial effects of the utility model are:
The area source that employing can be shared with other keyboards is as photocell, therefore each button no longer needs an adaptive photocell and a light receiving element respectively, only need to provide a light receiving element to coordinate the area source shared to realize key switch separately, drastically reduce the area the assembling element of keyboard and button, the failure rate of element, production cost and the cost of overhaul also reduce greatly; Meanwhile, area source can also as the keycap character lighting source of keyboard.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the keyboard of utilization area source of the present utility model.
Fig. 2 is another structural representation of the keyboard of utilization area source of the present utility model.
Fig. 3 is the another structural representation of the keyboard of utilization area source of the present utility model.
Fig. 4 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment one.
Fig. 5 is the using state figure of the utility model embodiment one.
Fig. 6 is another using state figure of the utility model embodiment one.
Fig. 7 is the structural representation by axle of the utility model embodiment one.
Fig. 8 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment two.
Fig. 9 is the using state figure of the utility model embodiment two.
Figure 10 is another using state figure of the utility model embodiment two.
Figure 11 is the modified node method schematic diagram of the light path switch of the utility model embodiment two.
Figure 12 is the modified node method schematic diagram of the utility model embodiment two.
Figure 13 is the structural representation of the utility model embodiment three.
Embodiment
As depicted in figs. 1 and 2, use the keyboard of area source, its basic structure comprises:
Circuit board 1, for providing circuit to connect, circuit board 1 has an installing hole 11;
Light receiving element 2, is placed in installing hole 11 side and is electrically connected with circuit board 1;
Area source 3, to be located at below circuit board 1 and to be electrically connected with circuit board 1, for sending light signal to light receiving element 2;
Key base 4, load in installing hole 11, its top-down opening forms a guiding basket 41;
Press axle 5, load in guiding basket 41, be connected by the bottom of a spring with guiding basket 41 by axle 5, and can slide up and down along guiding basket 41;
Keycap 6, is located at above key base 4, and is connected with the top by axle 5;
Light path switch 7, to be located in key base 4 and to be connected with by axle 5;
When sliding up and down along guiding basket 41 by axle 5, light path switch 7 can move relative to light receiving element 2, with the light path between switching area source 3 and light receiving element 2.
As shown in Figure 1, upspring by axle 5, the light path between area source 3 and light receiving element 2 is blocked by light path switch 7;
As shown in Figure 2, press by axle 5, the light path between area source 3 with light receiving element 2 is communicated with by light path switch 7.
As shown in Figure 3, on the basis of above-mentioned basic structure, area source 3 comprises light guide plate 31, and the bottom surface of light guide plate 31 is covered with reflector layer 32, and the side of light guide plate 31 is along being also provided with one or more luminous elements 33.
Here is two kinds of execution modes of the present utility model.
Embodiment one:
As shown in Figure 4, on the basis of above-mentioned basic structure, light receiving element 2 is located at the bottom surface of circuit board 1;
Key base 4 has a cabin body 42 be positioned at above circuit board 1 in the side of adjacent light receiving element 2, and the madial wall of cabin body 42 has the tank 43 being communicated to guiding basket 41.
Light path switch 7 is located in tank 43, it has the actuation part 71 and occlusion part 72 that are placed in circuit board 1 upper and lower respectively, actuation part 71 struts part (being stage clip shown in figure) by an elasticity and is connected with the lateral wall of cabin body 42, and the top of actuation part 71 and cabin body 42 pivot joint, occlusion part 72 shield light receiving element 2 is to block the light path between itself and area source 3; Cabin body 42 both can block the jamming incoherent signal that other light cause light receiving element 2, can also prevent light receiving element 2 dust stratification
There is in the side of adjacent light receiving element 2 by axle 5 depressed part 51 that can embed for the inner slide of light path switch 7.
As shown in Figure 5, upspring by axle 5, the instantaneous rising of depressed part 51, forces the inner side of light path switch 7 to skid off depressed part 51, the actuation part 71 of light path switch 7 overcomes elasticity and struts part to the instantaneous deflection of light receiving element 2, and occlusion part 72 shield light receiving element 2 is to block the light path between itself and area source 3;
As shown in Figure 6, press by axle 5, the instantaneous decline of depressed part 51, actuation part 71 instantaneous deflection of receiving element 2 dorsad under elasticity struts part effect of light path switch 7, force the inner side of light path switch 7 to slip into depressed part 51, occlusion part 72 no longer shield light receiving element 2 to be communicated with the light path between itself and area source 3.
The present embodiment further improves as shown in Figure 7, the medial surface 73 of light path switch 7, and its underpart has the inclined-plane 74 that interior chamfering is formed, and the shape of depressed part 51 is just mated with the medial surface 73 of light path switch 7 and inclined-plane 74.
Embodiment two:
As shown in Figure 8, on the basis of above-mentioned basic structure, light path switch 7 is one and is located at by the light guide in axle 5, and its bottom surface has the light entrance face 74 coordinated with the end face of light guide plate 3, and the side of the adjacent light receiving element 2 in its top has the light emergence face 75 coordinated with light receiving element 2;
The bottom of guiding basket 41 has an opening 44 passed for the light entrance face 74 of light path switch 7;
The sidewall of the adjacent light receiving element 7 of key base 4 has the window 45 coordinated with light receiving element 2 for light emergence face 75.
As shown in Figure 9, upspring by axle 5, the instantaneous rising of light path switch 7, light emergence face 75 upward sliding leaves window 45, with the light path between blocking light receiving element 2 and area source 3;
As shown in Figure 10, press by axle 5, the instantaneous decline of light path switch 7, light entrance face 74 is through opening 44 contact-making surface light source 3, light emergence face 75 slides down to window 45, and now light path switch 7 forms light path by light entrance face 74 and light emergence face 75 between light receiving element 2 and area source 3.
One as the present embodiment is improved, and light path switch 7, with to press axle 5 one-body molded, adopts guide-lighting material to make by axle 5 entire body.Entire body leaded light press axle 5, can better by the photoconduction of area source 3 to keycap 6, as keycap character lighting source.
One as the present embodiment is improved, and as shown in figure 11, light path switch 7 is light-guiding pillars, and its top has the light reflection that entered by the light entrance face reflecting surface 76 to light emergence face.
One as the present embodiment is improved, as shown in figure 12, key base 4 has the shielding cavity 46 of a shade light receiving element 2 in the side of adjacent light receiving element 2, both can block the jamming incoherent signal that other light cause light receiving element 2, can also prevent light receiving element 2 dust stratification.
One as the present embodiment is improved, and as shown in figure 12, light receiving element 2 is located at the end face of circuit board 1.
Embodiment three:
As shown in figure 13, use the keyboard of area source, have multiple keyboard 8, keyboard 8 is the keyboards using area source in other two kinds of embodiments, and wherein multiple keyboard 8 shares same area source 3A.
For a person skilled in the art, the structure that can disclose according to the utility model and principle obtain other various corresponding change and distortion, and all these change and distortion all belongs to protection category of the present utility model.
Claims (10)
1. use the keyboard of area source, it is characterized in that, comprising:
Circuit board, for providing circuit to connect, circuit board has an installing hole;
Light receiving element, is placed in installing hole side and is electrically connected with circuit board;
Area source, to be located at below circuit board and to be electrically connected with circuit board, for sending light signal to light receiving element;
Key base, load in installing hole, its top-down opening forms a guiding basket;
Press axle, load in guiding basket, be connected by the bottom of a spring with guiding basket by axle, and can slide up and down along guiding basket;
Keycap, is located at above key base, and is connected with the top by axle;
Light path switch, to be located in key base and to be connected with by axle;
When sliding up and down along guiding basket by axle, light path switch can relative to light receiving element transient motion, with the light path between switching area source and light receiving element.
2. the keyboard using area source as claimed in claim 1, it is characterized in that: area source comprises light guide plate, the bottom surface of light guide plate is covered with reflector layer, and the side of light guide plate is along being also provided with one or more luminous elements.
3. the keyboard using area source as claimed in claim 1, is characterized in that:
Light receiving element is located at the bottom surface of circuit board;
Key base has the cabin body that is positioned at circuit board in the side of adjacent light receiving element, the madial wall of cabin body has the tank being communicated to guiding basket;
Light path switch is located in tank, it has the actuation part and occlusion part that are placed in circuit board upper and lower respectively, actuation part struts part by an elasticity and is connected with the lateral wall of cabin body, and the top of actuation part and cabin body pivot joint, occlusion part shield light receiving element is to block the light path between itself and area source;
There is in the side of adjacent light receiving element by axle the depressed part that can embed for the inner slide of light path switch.
4. the as claimed in claim 3 keyboard using area source, is characterized in that: the medial surface of light path switch, and its underpart has the inclined-plane that interior chamfering is formed, and the shape of depressed part is just mated with the medial surface of light path switch and inclined-plane.
5. the keyboard using area source as claimed in claim 2, is characterized in that:
Light path switch is one and is located at by the light guide in axle, and its bottom surface has the light entrance face coordinated with the end face of light guide plate, and the side of the adjacent light receiving element in its top has the light emergence face coordinated with light receiving element;
The bottom of guiding basket has an opening passed for the light entrance face of light path switch;
The sidewall of the adjacent light receiving element of key base has the window coordinated with light receiving element for light emergence face.
6. the keyboard using area source as claimed in claim 5, is characterized in that: light path switch, with one-body molded by axle, adopts guide-lighting material to make by axle entire body.
7. the as claimed in claim 5 keyboard using area source, is characterized in that: light path switch is a light-guiding pillar, and its top has the light reflection that entered by the light entrance face reflecting surface to light emergence face.
8. the keyboard using area source as claimed in claim 5, is characterized in that: key base has the shielding cavity of a shade light receiving element in the side of adjacent light receiving element.
9. the keyboard using area source as claimed in claim 5, is characterized in that: light receiving element is located at the end face of circuit board.
10. use the keyboard of area source, have multiple keyboard, it is characterized in that, keyboard is the keyboard of the utilization area source described in any one of claim 1 to 9, and multiple keyboard shares same area source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914759.0U CN205179013U (en) | 2015-11-17 | 2015-11-17 | Keyboard button and keyboard of application area source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914759.0U CN205179013U (en) | 2015-11-17 | 2015-11-17 | Keyboard button and keyboard of application area source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205179013U true CN205179013U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520914759.0U Active CN205179013U (en) | 2015-11-17 | 2015-11-17 | Keyboard button and keyboard of application area source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205179013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245217A (en) * | 2015-11-17 | 2016-01-13 | 陈爱华 | Keyboard key using surface light source and keyboard |
-
2015
- 2015-11-17 CN CN201520914759.0U patent/CN205179013U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245217A (en) * | 2015-11-17 | 2016-01-13 | 陈爱华 | Keyboard key using surface light source and keyboard |
| CN105245217B (en) * | 2015-11-17 | 2018-11-30 | 陈爱华 | With the keyboard and keyboard of area source |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |