CN100524565C

CN100524565C - Translational key with guide function

Info

Publication number: CN100524565C
Application number: CNB2006100340704A
Authority: CN
Inventors: 包卫; 李誉
Original assignee: Shenzhen Hangsheng Electronic Co Ltd
Current assignee: Shenzhen Hangsheng Electronic Co Ltd
Priority date: 2006-02-28
Filing date: 2006-02-28
Publication date: 2009-08-05
Anticipated expiration: 2026-02-28
Also published as: CN101030492A

Abstract

The invention is concerned with the translation key equipment with guiding function, includes the key, the positioning seat, the press bar and the electrical conductor switch, the key is with key cap including at least one guiding outfit that effects on the key cap and the positioning seat, the guiding outfit consists of the guiding column and the guiding slot that cooperates with the guiding column closely; the guiding column fixes on the key cap or the positioning seat, the guiding slot fixes on the other one. it is: presses downward by using any part of the key as the point, the guiding column clings on the surface of the guiding slot and move balance and smoothly, in order to limit the key cap can not be excursion and turn up.

Description

Translational key device with guide function

Technical field

The present invention relates to a kind of key device, relate in particular to translational key device, be applicable to the large-scale button that uses in the automobile audio with guide function.

Background technology

The structure of the function button device of existing use in automobile audio generally comprises:

1, shown in Fig. 1 list pressure lever type button: button 1 comprises keycap 11 and marginal ridge 42, depression bar 14, positioning seat 2, luminous element 5 and electrical conductor switch 4.This device defect is only to adapt to small-sized function button, and because this device depression bar 14 and electrical conductor switch 4 designs have occupied the luminous element position at button keycap central part, influences the even illuminating effect of luminous element.And because the effect that perk does not reach horizontal movement at button keycap central part, easily takes place in this device depression bar 14 and electrical conductor switch 4 designs when pressing at button keycap 11 edges

2, shown in the two pressure lever type buttons of Fig. 2: button keycap 11, marginal ridge 42, depression bar 14, positioning seat 2, luminous element 5 and electrical conductor switch 4.This device defect is to adopt two depression bars 14, and the effect that perk does not reach balance play easily takes place when pressing at button keycap 11 edges.And adopt two electrical conductor switch 4, raising the cost does not meet economic benefit.

3, as shown in Figure 1 and Figure 2: button marginal ridge 42 and positioning seat 2 is spacing for the four sides contacts and brakes, and button marginal ridge and positioning seat comprehensive engagement during the upper and lower motion of button are so the bigger friction sound of easy generation when button is worked influences the automobile audio audibility.

Summary of the invention

The technical problem to be solved in the present invention is, deficiency at above-mentioned prior art existence, a kind of translational key device with guide function is provided, the printing opacity mechanism of this key device, can reduce the light source decay of luminous element emission, thereby increase the printing opacity of keytop, improve bright and clear that button shows; And then overcome the point-source of light direct irradiation on button, and overcome luminous element inhomogeneous reflection on every side, make keytop be subjected to light even, the unlikely blanking bar phenomenon that occurs, make the even printing opacity of button, thereby make the printing opacity demonstration of button more even, improve the visual effect of button.

The technical solution used in the present invention is, a kind of translational key device with guide function, comprise button, positioning seat, depression bar and electrical conductor switch, described button comprises keycap, described key device comprises that also at least one acts on the guiding mechanism of described keycap and positioning seat, described guiding mechanism comprise lead and with the close-fitting gathering sill of lead, described lead is fixed on one of described keycap and positioning seat, and then described gathering sill is fixed on described keycap and positioning seat on another; Be provided with light conductor on described positioning seat, have luminous element at described light conductor, it is characterized in that, described light conductor bottom is an arcuation light harvesting convex surface, and top is the printing opacity minute surface, and the sidepiece of described light conductor is the concavo-convex reflection cambered surface of high density.

Above-mentioned translational key device with guide function, the shape of described gathering sill comprises groove shaped, sleeve shaped or irregular shape.

Above-mentioned translational key device with guide function, described guiding mechanism have two, three, four or five.

Compared with prior art, the present invention has the translational key device of guide function, and light conductor bottom arcuation light harvesting convex surface is provided with, and can make the fully upwards emission of light of below luminous element; The sidepiece of light conductor is the setting of the concavo-convex reflection cambered surface of high density, can fully receive the light that directly launches from luminous element and also this part light directly be reflected away; The printing opacity minute surface on light conductor top can make all light fill the directive key cap surface laser light symbol of carving characters, and reaches best illuminating effect.The present invention is owing to be provided with guiding mechanism in addition, during use, press downwards as impetus at any position at button, because closely cooperating of lead and gathering sill, lead is close to the surface balance of gathering sill, along sliding motion, thereby perk or skew can not take place in the keycap of restriction button, make button operation lighter and handier, more flexible, the simple position-limit mechanism of said structure combines with key device, dexterously, solve those skilled in the art effectively and wanted the technical problem that solves for a long time, promptly want to solve key device with lower production cost, the problem that perk or skew take place when pressing the keycap of especially large-scale key device has easily obtained significant technique effect.Because the setting of braking stop bit mechanism, during the button resilience, with before positioning seat contact, shell fragment and protruding braking stop bit interlock are only detained in braking, make button stop resilience, thereby have avoided the marginal ridge of button and positioning seat to bump the sound of the generation that rubs at the marginal ridge of button.

Description of drawings

Fig. 1 is the single pressure lever type press-key structure of a prior art cutaway view;

Fig. 2 is the two pressure lever type press-key structure cutaway views of prior art;

Fig. 3 is the translational key apparatus structure explosive view that the present invention has guide function;

Fig. 4 is the translational key device cutaway view () that the present invention has guide function;

Fig. 5 is the translational key device cutaway view (two) that the present invention has guide function;

Fig. 6 is the translational key device cutaway view (three) that the present invention has guide function.

Embodiment

To shown in Figure 6, a kind of translational key device with guide function is specially and is applicable to the large-scale key device that uses in the automobile audio as Fig. 3, comprises button 1, positioning seat 2, light conductor 3, electrical conductor switch 4, luminous element 5 and circuit board 6 compositions.Button 1 comprises in the base: keycap 11 (profile can be designed to arbitrary shape), bear by the power position as key device; The key cap surface laser light is carved characters and is accorded with 12, indicates and carry out printing opacity as the automobile audio function to show; From its four jiaos four cylindrical leads 13 that extend, be subjected to by after the power guide-localization effect that key device slides up and down as button; Depression bar 14 from keycap extends is subjected to form turning circuit by touching electrical conductor switch 5 after the power as button, produces pulse signal and realizes required function; Shell fragment 15 is only detained in two brakings of extending from the keycap both sides, as the braking stop bit after the stressed resilience of key device.Guide-localization seat 2 comprises: four guide-localization sleeves 21, can be as button lead 13 the sliding up and down of the direction balance of appointment, and wherein guide-localization sleeve 21 is provided with four assembling guiding fillets 211, and button 1 is packed in the guide-localization seat accurately; From the turriform leaded light cup 22 of guide-localization seat extension, as the fixed container of light conductor 3; Braking stop bit projection 23 from the guide-localization seat extends as the braking stop bit after the button 1 stressed resilience, plays the restriction of motion.

Light conductor 3 comprises: the circular-arc light harvesting convex surface 31 in light conductor bottom can make the fully upwards emission of light of below luminous element 5; Four turriform frosteds of light conductor plane of reflection 32 can fully receive the light that directly launches from luminous element 5 and also this part light directly be reflected away; Light conductor top is printing opacity minute surface 33, can make all light fill the directive key cap surface laser light symbol 12 of carving characters, and reaches best illuminating effect.

Advantage of the present invention is as follows:

1, key cap surface function pointing character 12 can indicate the function that this button of user is realized, and adopts the moulding of Radium art engraving, and font has three-dimensional stereopsis and wear-resisting effect is arranged.

2, four guide-localization sleeves 21 of four of button cylindrical leads 13 and guide-localization seat are slidingly matched as cambered surface, abundant utilization lead, the positioning and guiding principle that the sleeve shaped gathering sill is good, the user exerts oneself from the different application points of button, four cylindrical leads of button can both be done balance, suitable sliding moving along four guide-localization sleeve linings of guide-localization seat, perk or skew can not take place, make button operation lighter and handier, more flexible

3, the braking of button is only detained when shell fragment 15 is opened elastic force work outward because of shell fragment and is fitted on the braking stop bit 23 of guide-localization seat, reduce the braking contact area, the arcuation of only detaining on the braking stop bit 23 of arcuation Elastic buckle 151 and guide-localization seat on the shell fragment 15 because of braking is only detained the elastic buffer function of 231 abundant interlocks again, contact more relaxes when making key device work, can not send noise, keep the audibility of automobile audio the best

4, in key device production assembling process, assembling on guide-localization sleeve guiding fillet 211 can make button pack in the guide-localization seat convenient production accurately into.

5, the circular-arc light harvesting convex surface 31 in light conductor bottom makes full use of concave and convex lenses light harvesting principle, reduces the light source decay of luminous element emission, and it is brighter and clear that key cap surface function pointing character 12 is shown.

6, four turriform planes of reflection of light conductor 32 adopt the frosting technology moulding, the plane of reflection is formed have the concavo-convex reflection cambered surface of high density, can receive the light of directly coming from light emitted so also directly reflects away this part light, avoided reflection insufficient, or the appearance of blanking bar phenomenon, improve the utilance of light, it is more even that key cap surface function pointing character 12 is shown.

Claims

1, a kind of translational key device with guide function, comprise button (1), positioning seat (2), depression bar (14) and electrical conductor switch (4), described button (1) comprises keycap (11), described key device comprises that also at least one acts on the guiding mechanism of described keycap (11) and positioning seat (2), described guiding mechanism comprise lead (13) and with the close-fitting gathering sill of lead (21), described lead (13) be fixed on described keycap (11) and positioning seat (2) both one of on, then described gathering sill (21) is fixed on described keycap (11) and the positioning seat (2) both another; On described positioning seat (2), be provided with light conductor (3), have luminous element (5) at described light conductor, it is characterized in that, described light conductor (3) bottom is an arcuation light harvesting convex surface (31), top is printing opacity minute surface (33), and the sidepiece of described light conductor (3) is the concavo-convex reflection cambered surface of high density (32).

2, according to the described translational key device of claim 1, it is characterized in that the shape of described gathering sill (21) comprises groove shaped or sleeve shaped with guide function.

According to the described translational key device of claim 1, it is characterized in that 3, described guiding mechanism has two, three, four or five with guide function.