CN203562354U

CN203562354U - Instrument operation key

Info

Publication number: CN203562354U
Application number: CN201320754336.8U
Authority: CN
Inventors: 边见久
Original assignee: Chino Measurement & Control Equipment (kunshan) Co Ltd
Current assignee: Chino Measurement & Control Equipment (kunshan) Co Ltd
Priority date: 2013-11-25
Filing date: 2013-11-25
Publication date: 2014-04-23
Anticipated expiration: 2023-11-25

Abstract

The utility model discloses an instrument operation key. The instrument operation key comprises a printed circuit substrate, a switch body is disposed on the printed circuit substrate, an elastic switch is disposed on the switch body, a light diffusion piece is disposed on the elastic switch, and key covers are disposed on the light diffusion piece and disposed on a front panel of an instrument; one side, corresponding to the key covers, of the light diffusion piece is printed with a printing layer; and a lighting component is disposed near the switch body. According to the instrument operation key, necessary printing processing of characters, patterns and light diffusivity is not required for every operation key, only the light diffusion piece with the corresponding specification is required to be uniformly made, manufacturing engineering can be decreased, and production cost can be reduced; and the light diffusion piece with the printing layer is positioned at the inner side of the key covers, fadeaway of the printing layer caused by long-term service can be effectively prevented, and the light diffusion pieces with different printing layers can be preinstalled, so that the condition that assembling positions of keys with different shapes are incorrect cannot exist.

Description

A kind of instrument operation push-button

Technical field

The utility model relates to field of instrumentation technology, particularly a kind of instrument operation push-button.

Background technology

In the past, the device that has multiple types operation push-button, while having identical shaped key lid, be necessary to be undertaken by operation push-button kind the printing of word, pattern, but operation push-button key covers printed word or pattern can be with using the growth of time of contact to occur coming off of word or pattern; In addition, if adopt the key lid of same shape, after the word of printing or pattern come off, when manufacturing, device may there is the problem that operation push-button installation site is mistaken.

In the various uses of the measuring instrument table handling that operation push-button is applied to adjusting apparatus, recorder etc. with key etc.As shown in figure 10, generally speaking, press the key lid 601 of this operation push-button, by elastic switch 602 parts, implement being arranged on the pressing of Switch main body 603 of the tact switch etc. of key lid below, thereby realize the operation of ON and OFF etc.Operation push-button like this, has while embodying the word of keypress function or pattern printed layers 604 at its key cap surface, and key cap surface is pressed because of user's finger, and passing in time can produce printed layers and the problem such as peel off.

To sum up, in original structure, the word of key range function, pattern can be printed on the surface of key lid, and with the growth of user's finger contacts time, branch of Printing Department disappears gradually, cause the classification of function key to distinguish difficulty; Meanwhile, when key shape is identical, in installation, there will be the problem of misloading position.

Utility model content

For solving the problems of the technologies described above, the utility model provides a kind of instrument operation push-button, to avoid printed layers to be pressed, weares and teares and button installation site mistake.

For achieving the above object, the technical solution of the utility model is as follows:

An instrument operation push-button, comprises tellite, it is characterized in that,

On described tellite, be provided with Switch main body, on described Switch main body, dispose elastic switch, on described elastic switch, dispose light diffusing sheet, be provided with key lid on described light diffusing sheet, described key lid is arranged on the front panel of instrument;

On described light diffusing sheet, a side of corresponding described key lid is printed with printed layers;

Near described Switch main body, be also provided with illumination component.

Wherein, described light diffusing sheet comprises light diffusion layer, on described light diffusion layer, is printed with printed layers, is provided with laminated resin layer in described printed layers, and described laminated resin layer contacts with described key interior surface.

Wherein, described key lid is for a plurality of, and shape is consistent.

Wherein, described key lid is for a plurality of, and shape is different.

Wherein, the light diffusing sheet of corresponding a plurality of described key lids is integrated type light diffusing sheet.

Wherein, on described integrated type optical diffusion sheet, be provided with location hole, the jut arranging on the corresponding front panel of described location hole.

Pass through technique scheme, the operation push-button that the utility model provides, without carry out the printing treatment of necessary word, pattern and light diffusing for each operation keys lid, only need the unified light diffusing sheet of making dimension, can reduce manufacturing engineering and reduce cost of manufacture, and the light diffusing sheet with printed layers is positioned at key lid inner side and the printed layers of effectively having avoided long-term use the to cause phenomenon that disappears, and the light diffusing sheet with different printing layer can pre-installation, thereby the situation that does not exist identical shaped button rigging position to make mistakes; In addition, light diffusing sheet is consisted of light diffusion layer, printed layers, laminated resin layer, can prevent that the printing in printed layers from peeling off, and can improve useful life longevity; Have again, adopt one light diffusing sheet also to add location hole, can reduce manufacturing engineering and more easily, manufacturing operation button accurately.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.

Fig. 1 is the decomposition texture schematic diagram of the disclosed a kind of instrument operation push-button of the utility model embodiment;

Fig. 2 is the combining structure schematic diagram of the disclosed a kind of instrument operation push-button of the utility model embodiment;

Fig. 3 is the structural representation of the disclosed light diffusing sheet of the utility model embodiment;

Fig. 4 is the disclosed a kind of instrument schematic diagram with decentralized light diffusing sheet of the utility model embodiment;

Fig. 5 is the instrument schematic diagram that the disclosed another kind of the utility model embodiment has integrated type optical diffusion sheet;

Fig. 6 is the inside structure schematic diagram of a kind of front panel of instrument shown in Fig. 4;

Fig. 7 is the inside structure schematic diagram of the another kind of front panel of instrument shown in Fig. 4;

Fig. 8 is the disclosed a kind of instrument operation push-button structural representation with multiple difformity button of the utility model embodiment;

Fig. 9 is provided with the schematic diagram of locating structure in operation push-button structure shown in Fig. 8;

The structural representation of a kind of instrument operation push-button of Figure 10 prior art.

Numeral in figure:

101 → tellite

102,403,405,603 → Switch main body

103 → illumination component

104,602 → elastic switch

105,200,401, → light diffusing sheet

106,402,404,501,502,601 → key lid

201 → light diffusion layer

202 → printed layers

203 → laminated resin layer

301,302 → operation push-button

406,503504 → integrated type optical diffusion sheet

505 → location hole

506 → front panel

507 → jut

604 → printed layers

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.

Embodiment:

With reference to figure 1 and 2, operation push-button is by the Switch main body 102 arranging on tellite 101, near the illumination component 103 of being furnished with Switch main body 102, be disposed at Switch main body 102 tops and can when self is pressed, also press the elastic switch 104 of Switch main body 102 simultaneously, be configured in and on elastic switch 104, can contrast the light diffusing sheet 105 that light that bright element 103 sends produces diffusion, be disposed at that light diffusing sheet 105 tops are formed by photopermeability resin and the key that also makes elastic switch 104 and Switch main body 102 press covers 106 etc. and forms when self is pressed, along key lid 106 visual angles of pressing direction, on light diffusing sheet 105, print discernible word, pattern, Switch main body 102 is when the key lid 106 of vision switch is pressed, thereby self also can be pressed, plays the switch of handover operation between ON and OFF, and Switch main body 102 is installed on tellite 101.

Wherein, illumination component 103 is near Switch main body 102 and be distributed on tellite 101, can improve visuality, can cause that user notes and to user, point out the effect of warning in dark surrounds.The light of illumination component 103 forms diffusion by elastic switch 104 on light diffusing sheet 105, from the back side to key lid 106, forms uniform irradiation.

Elastic switch 104 is positioned at the top of Switch main body 102, is positioned at the below of light diffusing sheet 105, soft resins such as rubber, silica gel resins, is consisted of.Elastic switch 104 passes to Switch main body 102 by push action when key lid 106 is pressed, and user, when key lid 106 unclamps finger, thereby can donating bond cover 106 restoring forces, makes key lid 106 be returned to original position.For making from the light of illumination component 103, light diffusing sheet 105 and key lid 106 to be formed and irradiated, elastic switch 104 adopts transparent or semitransparent shape as far as possible, and has the material of photopermeability, light diffusing.

Light diffusing sheet 105 is positioned at the top of above-mentioned elastic switch 104, is positioned at the below of key lid 106.Light diffusing sheet 105 makes to produce diffusion from the light of illumination component 103, forms the uniform irradiation to key lid 106.Press the visual angle that user presses key lid 106, from key, covering 106 tops looks down, on light diffusing sheet 105, be printed on cognizable word, pattern, formed word, pattern are that the identification of operation push-button function embodies, the word of the numeral that arrow pattern up and down and device are set use as represented etc.

Key lid 106 is positioned at the top of light diffusing sheet 105.Key lid 106 is by transparent or semitransparent etc. the photopermeability material that can identify the word that is printed on light diffusing sheet 105, pattern, and especially photopermeability resin forms.The shape of key lid 106 can be made suitable change according to kind and the purposes of device.

With reference to figure 3, light diffusing sheet 200 is comprised of light diffusion layer 201, printed layers 202, laminated resin layer 203.In light diffusing sheet 200 printed layers 202, add laminated resin layer 203, can prevent peeling off of printed layers 202 printings.

Fig. 3 is the sectional view of light diffusing sheet 200: light diffusion layer 201 is to have designed and made light produce the function of diffusion on key lid 106 for realizing illumination light uniform irradiation.Light diffusion layer 201 is comprised of so-called light diffusing sheet, optical diffusion film and so on, adopts printing isotype to form diffusion to light.Printed layers 202 is comprised of the word of printing on light diffusion layer 201, the ink that pattern is waited until, the direction of pressing from key lid 106 is observed the word identified, the pattern on visible its surface.Laminated resin layer 203 is positioned at the top of light diffusing sheet 200, namely with key lid 106 parts that directly contact.In this utility model, key lid 106 does not form fixing with light diffusing sheet 200, therefore, the 106 generation activities when pressing of key lid, the light diffusing sheet 200 that covers 106 belows with key forms friction, when without laminated resin layer 203, printed layers 202 faces may because of abrasion cause word, pattern can not identification.In the utility model, laminated resin layer 203 is photopermeability layer, has both played the protection to printed layers 202, can identify again word, the pattern of printed layers 202; This laminated resin layer 203 is selected outside photopermeability material, and this material embodies the material that is difficult for abrasion while being preferably chosen in the 106 generation friction of key lid.

With reference to figure 4 and 5, operation push-button 301,302 is housed in the instrument such as adjusting apparatus or setting apparatus as shown in figure bend, such operation push-button can not be generally single, all adopt the set form of a plurality of buttons, thereby, during based on above enforcement structure, with reference to figure 6, for a plurality of key lids 402 and Switch main body 403, light diffusing sheet 401 is configured for single key lid 402 and Switch main body 403; Or as shown in Figure 7, the comprehensive a slice integrated type optical diffusion sheet 406 that forms of a plurality of light diffusing sheets 401, with a plurality of key lids 404 of correspondence and Switch main body 405, when integrated type optical diffusion sheet 406 can be saved worker, also can be reduced to the mistake of manufacturing in assembling.In addition, for further improving the location of light diffusing sheet, on light diffusing sheet, designed especially location hole.

With reference to figure 8 and Fig. 9: integrated type optical diffusion sheet is not only applicable to the key structure of identical shaped key lid 402,404, be also applicable to various shape key lid 501,502 key structures that mix as shown in Figure 8.During integrated type optical diffusion sheet 503 shown in installation diagram 8, for determining its position up and down, can process location hole 505.Location hole 505 on integrated type optical diffusion sheet 504 as shown in Figure 9 set up example, jut 507 tablings that location hole 505 and front panel 506 are provided with, can make installation site and the direction of light diffusing sheet keep correct, therefore, also can eliminate the setup error in manufacture process.

To the multiple modification of above-described embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. an instrument operation push-button, comprises tellite, it is characterized in that,

Near described Switch main body, be also provided with illumination component.

2. a kind of instrument operation push-button according to claim 1, it is characterized in that, described light diffusing sheet comprises light diffusion layer, on described light diffusion layer, is printed with printed layers, in described printed layers, be provided with laminated resin layer, described laminated resin layer contacts with described key interior surface.

3. a kind of instrument operation push-button according to claim 1, is characterized in that, described key lid is for a plurality of, and shape is consistent.

4. a kind of instrument operation push-button according to claim 1, is characterized in that, described key lid is for a plurality of, and shape is different.

5. according to a kind of instrument operation push-button described in claim 3 or 4, it is characterized in that, the light diffusing sheet of corresponding a plurality of described key lids is integrated type light diffusing sheet.

6. a kind of instrument operation push-button according to claim 5, is characterized in that, on described integrated type optical diffusion sheet, is provided with location hole, the jut arranging on the corresponding front panel of described location hole.