CN201601049U - Illuminance type press key device - Google Patents
Illuminance type press key device Download PDFInfo
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- CN201601049U CN201601049U CN201020116770XU CN201020116770U CN201601049U CN 201601049 U CN201601049 U CN 201601049U CN 201020116770X U CN201020116770X U CN 201020116770XU CN 201020116770 U CN201020116770 U CN 201020116770U CN 201601049 U CN201601049 U CN 201601049U
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Abstract
The utility model provides an illuminance type press key device capable of completely diffusing the light from a light source and making the user have good feeling, characterized in that: the illuminance type press key device comprises a key head formed by transparent synthetic resin; a rubber key formed by transparent rubber material and arranged below the key head; and a light source arranged above the rubber key and irradiating the light towards the key head, wherein a space is present between the lower surface of the key head and the upper surface of the rubber key and the part of the key head contacting with the rubber key on the perimeter of the space uses the transparent adhesive to fix them together and a bulging part bulging towards another surface is arranged on at least one surface of the lower surface of the key head for forming the space and the upper surface of the rubber key opposite to the lower surface of the key head.
Description
Technical field
The utility model relates to a kind of illuminated key device, particularly a kind of light from light source is spread fully, and allows the user obtain the illuminated button of good thoughts and feelings.
Background technology
In recent years, a kind of illuminated button is widely used on the electronic equipment of mobile phone, home electric, vehicle-mounted/boat-carrying player etc.General so-called illuminated button is made by the material of light transmission, and by the light source from device interior button is thrown light on.This illuminated button is not only attractive in appearance, and at dark local very convenient to use of night or light.
Disclose a kind of illuminated button in documents 1, as shown in Figure 6, this illuminated button comprises: key head (key top) 30, constitute by the resin of light transmission, and that can accept to point etc. pushes; Rubber key 31, constitute by rubber elastomer, be arranged on the below of above-mentioned key head 30, will pass to the contact on the circuit board (not shown) that is arranged on rubber key 31 belows, and after finger leaves above-mentioned key head 30, can restore to the original state from the pressure of above-mentioned key head 30; And light source (not shown), be configured in the below of above-mentioned rubber key 31, and to above-mentioned rubber key 31 irradiates lights, the lower surface of the upper surface of above-mentioned rubber key 31 and above-mentioned key head 30 is undertaken by bonding agent 32 bonding.
But, because the upper surface of above-mentioned rubber key 31 and the lower surface of above-mentioned key head 30 bond together by bonding agent 32, though can prevent entering of liquid like this, but because light is directly injected in the key head via above-mentioned rubber key 31 and bonding agent 32, light does not spread in the process of light ray propagation, and key head 30, rubber key 31, bonding agent 32 are transparent, therefore, the user will directly see light source, this not only makes the irradiated middle body of button very dazzling, and button do not have irradiated around part obfuscation, the problem of illumination unevenness can take place.
In order to solve above-mentioned problem, someone proposes above-mentioned illuminated button is improved, as shown in Figure 7, in order to make light diffusion from light source, between the upper surface of the lower surface of above-mentioned key head 30 and above-mentioned rubber key 31, certain space 33 is set, and be configured to fold face (not shown) at the lower surface of above-mentioned key head 30, periphery in this space 33 utilizes bonding agent 32 that above-mentioned key head 30 and above-mentioned rubber key 31 are fixed together, like this, owing to when light above-mentioned space 33 of process and above-mentioned fold face good diffusion can take place, so button can be thrown light on uniformly partly.
But there are the following problems for illuminated button shown in Figure 7.
When pushing above-mentioned key head 30, the pressure of button is by being passed to the upper surface of rubber key 31 by bonding agent 32 bonding peripheries, and therefore, the central portion of the upper surface of the rubber key 31 that is made of elastomeric material is projection (arching upward) upward.Because above-mentioned irregular distortion has taken place pushing in elastomeric material on the direction, so button operation can not obtain good sense of touch.
On the other hand, because the upper surface of rubber key 30 is projection upward, cause the gas in the above-mentioned space 33 to be compressed, above-mentioned space 33 internal gas pressures increase, under these circumstances, after repeatedly pushing, the above-mentioned bonding agent 32 bonding parts of utilizing that are easy between above-mentioned key head 30 and above-mentioned rubber key 31 produce crack or aperture, this crack or aperture not only can destroy the adhesive effect between above-mentioned key head 30 and the above-mentioned rubber key 31, but also may make gas or the outside access arrangement of liquid slave unit inside, thereby equipment is caused damage.
Documents 1: TOHKEMY 2005-197109 communique
The utility model content
The utility model is made in view of the above problems, can make the light from light source be spread the radiation response that reaches good fully thereby purpose is to provide a kind of, and allows the user obtain the illuminated button of good thoughts and feelings.
A kind of illuminated key device is characterized in that having: key head is formed by the synthetic resin with light transmission; Rubber key is formed by the elastomeric material with light transmission, is arranged on the below of above-mentioned key head; And light source, be configured in the below of above-mentioned rubber key, and above-mentioned key head carried out irradiation, between the upper surface of the lower surface of above-mentioned key head and above-mentioned rubber key, be provided with the space, periphery in this space is fixed together above-mentioned key head and above-mentioned rubber key with bonding agent, is provided with towards the outstanding projection in another surface at least one surface in the upper surface of the lower surface of the above-mentioned key head that forms above-mentioned space and above-mentioned rubber key.
In above-mentioned illuminated key device, separate certain clearance between above-mentioned projection and above-mentioned another surface.
In above-mentioned illuminated key device, in above-mentioned rubber key, be provided with the hole that is communicated with above-mentioned space and device interior, and preferred above-mentioned hole is the hole of running through the above-below direction of above-mentioned rubber key.
In above-mentioned illuminated key device, the quantity of above-mentioned projection is a plurality of.
In above-mentioned illuminated key device, at least one moulding integratedly in the lower surface of the above-mentioned key head in above-mentioned projection and above-mentioned space and the upper surface of above-mentioned rubber key.
Above-mentioned illuminated key device can either be realized good button sense of touch, thereby can make the light from light source be spread the radiation response that reaches good fully again, thereby has improved operability, fail safe and the durability of illuminated key device.
Description of drawings
Fig. 1 is the stereogram that the electronic equipment of illuminated key device of the present utility model has been installed.
Fig. 2 is the front view that the electronic equipment of illuminated key device of the present utility model has been installed.
Fig. 3 is the amplification view along the A-A line among Fig. 2.
Fig. 4 is the amplification view of the illuminated key device of another kind of the present utility model.
Fig. 5 is the amplification view figure of the bore portion of expression rubber key 4.
Fig. 6 is the cutaway view of illuminated key device in the past.
Fig. 7 is the cutaway view of another kind of illuminated key device in the past.
Description of reference numerals
1,2 key devices
3 key heads
4 rubber key
5 light sources
6 spaces
7 adhesive portion
8 projections
9,9 ' hole
10 switch portion
11 installation portions
The space of 12 device interiors
13 switch press portions
14 thinner wall section
15 front panel projections
16 mounting grooves
17 grooves
18 install cell wall
19 substrates
20 electronic equipments
The 20a equipment body
The 20b mounting bracket
The 20c front panel
The 20d decoration panel
The 20e on-off keying
Embodiment
Below, with reference to Fig. 1 the electronic equipment that illuminated key device 1 of the present utility model has been installed is described.
Fig. 1 is the stereogram that the electronic equipment of illuminated key device of the present utility model has been installed.Fig. 2 is the front view that the electronic equipment of illuminated key device of the present utility model has been installed.
The inside of plate 20c is provided with circuit substrate (not shown) in front, the switch that can carry out pressing operation and/or rotary manipulation is installed on this electric substrate, by the switch portion on this circuit substrate is pushed, the operation of rotation etc. imports various operation signals, thereby realizes various operations.For the switch portion on the foregoing circuit substrate is pushed, operation such as rotation, plate 20c is provided with a plurality of key devices that comprise key device 1, key device 2 in front, and each key device is set to protrude in decoration panel 20d.
Below, the utility model mainly describes the key device among the figure 1.
Fig. 3 is the amplification view along the A-A line among Fig. 2.
The structure of illuminated key device 1 has been shown among Fig. 3, has also shown the position relation between illuminated key device 1, front panel 20c and the decorative panel 20d.Wherein, illuminated key device 1 has: key head 3 is formed by the synthetic resin with light transmission; Rubber key 4 is formed by the elastomeric material with light transmission, is arranged on the below of key head 3; And light source 5, be configured in the below of rubber key 4, and to rubber key 4 irradiates lights.In addition, the switch portion 10 relative configurations on the below of the rubber key 4 in the illuminated key device 1 and the circuit substrate 19.
Between the upper surface of the lower surface of key head 3 and rubber key 4, be provided with space 6, periphery in this space 6, utilize bonding agent that key head 3 and rubber key 4 are fixed together, the periphery in described space 6 is the adhesive portion 7 among the figure, bonding agent preferably uses UV glue etc., and UV glue (claiming no shadow glue, ultraviolet cured adhesive again) is meant and must passes through the class adhesive that ultraviolet light irradiation could solidify.
On the upper surface of rubber key 4, be provided with towards the outstanding projection 8 in another surface the upper surface moulding integratedly of this projection 8 and rubber key 4.And as shown in Figure 3, projection 8 does not directly contact with the lower surface of key head 3, has separated certain clearance between them.
As shown in Figure 3, above-mentioned key device 1 is by being installed on front panel 20c with the integrally formed installation portion 11 of the rubber key 4 of button.Concrete, plate 20c goes up the upright front panel projection 15 of establishing in front, the both sides of plate projection 15 are provided with groove 17 with respect to front panel 20c surface in front, above-mentioned installation portion 11 is provided with mounting groove 16, during installation, mounting groove 16 on this installation portion 11 and front panel projection 15 tablings of above-mentioned front panel 20c groove 17 tablings of cell wall 18 and front panel 20c are installed simultaneously, thereby key device 1 are installed on effectively on the front panel 20c.Then, decoration panel 20d is fixed with screw or means such as chimeric are fixed in front panel 20c, and makes key device 1 expose the surface with decoration panel 20d, and is attractive in appearance and be convenient to the user and operate.Certainly key device 1 also can adopt bonding other modes that wait to be installed on the front panel 20c.
When operator presses key head 3, the pressing force that acts on the key head 3 passes to rubber key 4 via adhesive portion 7, rubber key 4 is subjected to pressing force and makes the thinner wall section 14 that is arranged on the rubber key 4 produce strain, thereby key device 1 integral body is moved downwards, make the switch press portion 13 that is arranged on the rubber key 4 arrive the switch portion 10 that is arranged on the substrate 19, the operator continues key head 3 is exerted pressure, pressure is via switch press portion 13 press switching parts 10, thereby realization is to the pressing operation of switch portion 10.When the operator finished push action, the elastic restoring force that is produced by the strain of above-mentioned thinner wall section 14 was moved upward key device 10 with the restoring force from switch portion 10, finally returned to the position before the above-mentioned pressing operation.
Because adhesive portion 7 contacts with the periphery of the upper surface of rubber key 4, when the power of pushing key head 3 passes to rubber key 4 by adhesive portion 7, the periphery of the upper surface of rubber key 4 is under pressure, and the middle body of upper surface (part that contacts with gas in the space 6) does not stress, therefore the central portion branch of upper surface projects upwards (arch) distortion, and this distortion makes projection 8 become the central portion state of contact with the lower surface of key head 3.Because projection 8 contacts with the central portion of the lower surface of key head 3, compare with the situation that projection 8 is not set, distortion largely takes place in rubber key 4 in the time of can being limited in pressing keys, the gas that has suppressed in the space 6 is compressed largely, thereby has suppressed to produce between key head and rubber key crack or aperture effectively.In addition, because projection 8 contacts with the central portion of the lower surface of key head 3, also make key device 1 can obtain good sense of touch.
When pressing keys,, will see through transparent key head and see the shade that produces owing to contact, thereby influence outward appearance because projection 8 contacts with the central portion of the lower surface of key head 3.But, block because thing is just in time pushed by finger etc. in the position of this contact, so the operator can not see the shade that contacts and produce owing to projection 8 and key head 3.
In addition, more even for the distribution that makes irradiates light, fold face (not shown) can also be set on the lower surface of key head 3, further diffusion is from the light of light source 5.
In addition, the situation of projection 8 and the upper surface moulding integratedly of rubber key 4 has been shown among Fig. 3, certainly projection 8 also can with rubber key 4 relatively independent settings.
Under the hot environment of vehicle or boats and ships etc., gas in the airtight space 6 expands and causes the air pressure in the space 6 to become big, therefore may the sense of touch of button operation be impacted, also may cause the adhesive portion 7 between key head 3 and rubber key 4 to produce crack or aperture.In order to address this problem, the hole 9 of connected space 6 and device interior can be set in rubber key 4.
For example, as shown in Figure 3,, 2 holes 9 of running through rubber key 4 on above-below direction are set symmetrically in the both sides of projection 8.Because the space 12 of hole 9 connected spaces 6 and device interior, when carrying out pressing operation, when the air in space 6 was compressed, the air in the space 6 will be via hole 9 inflow spaces 12, thereby the pressure that can reduce the gas in the space 6 makes its gas pressure with device interior consistent.
Be provided with two holes 9 among Fig. 3, but the quantity in hole 9 is not limited only to 2, also can be one or more, the hole must not be symmetrical arranged yet certainly.The optional position of hole 9 on the part that the aperture position on above-mentioned rubber key 4 upper surfaces can be rubber key 4 surface with space 6 contacts, the form in hole 9 is not limited to also that the form with straight line runs through rubber key 4 shown in Fig. 3, can also be that the form with oblique line runs through rubber key 4 and connected space 6 and space 12.In addition, as shown in Figure 5, this hole can also be that the form with curve runs through rubber key 4 and connected space 6 and space 12.Fig. 5 is the amplification view of bore portion of expression rubber key 4, the hole 9 shown in the figure ' have different shapes with hole 9 among Fig. 1, and the path of this hole 9 ' process curve is communicated with device interior.In a word so long as can run through any type of hole in rubber key 4 and connected space 6 and space 12 can.
In addition, under the bigger situation of the area of button, can suitably adjust the size of projection 8, also projection 8 can be arranged to a plurality of, thereby further guarantee the sense of touch of button reliably, prevent between key head 3 and rubber key 4, to produce crack or aperture.
Fig. 4 is the cutaway view of the illuminated key device of another kind of the present utility model.
In this illuminated key device, projection 8 is not arranged on the upper surface of rubber key 4, but has been arranged on integratedly on the lower surface of key head 3 with key head 3.In second execution mode projection 8 though that the position is set is different with first execution mode, the effect that is played and first execution mode are identical.
When pressing keys, rubber key 4 can be out of shape in stressed generation, thereby projection 8 contacts with the central portion of the upper surface of rubber key 4.The pressure of pushing generation makes rubber key 4 pressurizeds via key head 3, make thinner wall section 14 produce strain, whole button moves downwards, switch press portion 13 on the final rubber key 4 arrives the switch portion (not shown) that is arranged on the substrate, continue to exert pressure, pressure is via switch press portion 13 press switching parts, thereby realization is to the pressing operation of switch portion.When pushing end, the elastic restoring force that strain produced of above-mentioned thinner wall section 14 makes button return to above-mentioned pressing operation position before with the restoring force from switch portion.
When pressing keys, projection 8 can prevent that rubber key 4 from distortion greatly taking place, sense of touch when this has strengthened button largely, and suppressed space 6 interior gases and compressed to a greater degree, thereby prevent between key head and rubber key, to produce crack or aperture.
In addition, also projection 8 both can be arranged on the upper surface of rubber key 4, be arranged on again on the lower surface of key head 3.
Claims (6)
1. illuminated key device is characterized in that having:
Key head is formed by the synthetic resin with light transmission;
Rubber key is formed by the elastomeric material with light transmission, is arranged on the below of above-mentioned key head; And
Light source is configured in the below of above-mentioned rubber key, and above-mentioned key head is carried out irradiation,
Be provided with the space between the upper surface of the lower surface of above-mentioned key head and above-mentioned rubber key, the periphery in this space is fixed together above-mentioned key head and above-mentioned rubber key with bonding agent,
Be provided with towards the outstanding projection in another surface at least one surface in the upper surface of the lower surface of the above-mentioned key head that forms above-mentioned space and above-mentioned rubber key.
2. illuminated key device according to claim 1 is characterized in that,
Separate certain clearance between above-mentioned projection and above-mentioned another surface.
3. illuminated key device according to claim 1 is characterized in that,
In above-mentioned rubber key, be provided with the hole that is communicated with above-mentioned space and device interior.
4. illuminated key device according to claim 3 is characterized in that,
Above-mentioned hole is the hole of running through the above-below direction of above-mentioned rubber key.
5. illuminated key device according to claim 1 is characterized in that,
The quantity of above-mentioned projection is a plurality of.
6. illuminated key device according to claim 1 is characterized in that,
At least one moulding integratedly in the lower surface of the above-mentioned key head in above-mentioned projection and above-mentioned space and the upper surface of above-mentioned rubber key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020116770XU CN201601049U (en) | 2010-02-08 | 2010-02-08 | Illuminance type press key device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020116770XU CN201601049U (en) | 2010-02-08 | 2010-02-08 | Illuminance type press key device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601049U true CN201601049U (en) | 2010-10-06 |
Family
ID=42812111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020116770XU Expired - Fee Related CN201601049U (en) | 2010-02-08 | 2010-02-08 | Illuminance type press key device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842449A (en) * | 2011-06-24 | 2012-12-26 | 阿尔派株式会社 | Key irradiation structure |
-
2010
- 2010-02-08 CN CN201020116770XU patent/CN201601049U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842449A (en) * | 2011-06-24 | 2012-12-26 | 阿尔派株式会社 | Key irradiation structure |
| CN102842449B (en) * | 2011-06-24 | 2016-05-25 | 阿尔派株式会社 | Button irradiation structure |
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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: 20101006 Termination date: 20190208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |