CN2513160Y - Folding keyboard - Google Patents

Abstract

The utility model relates to a folding keyboard, which is characterized in that: the folding keyboard is divided into a central secondary key board, a left wind secondary key board and a right wing secondary key board. As the central secondary key board, the left wind secondary key board and the right wing secondary key board are linked one by one through a simple pivot device as a connecting bar, thus the outer side of the left wind secondary key board and the right wing secondary key board does not need to fold a slidable outline border; and the central secondary key board is pivotally connected to a cover board which can cover the left wind secondary key board and the right wing secondary key board when be folded and is provided with the port of a PDA, thus when use the key board, the open cover board is used as the lean of the PDA, so as to steadily lay the PDA.

Description

Superimposed keyboard

Technical field

The utility model relates to a kind of superimposed keyboard, particularly relates to a kind of suitable superimposed taking in and portable superimposed keyboard.

Background technology

Information product is compact gradually, and hand-held information functions of the equipments increase more, price is honest and clean more, thereby makes its market acceptance and popularity rate significantly promote.Yet be subject to hand-held information equipment size size such as personal digital assistant machine (hereinafter to be referred as PDA), generally can only click or ways of writing input information with contact surface plate, for providing and the general compatible keyboard entry function of computer, and do not hinder the carrying convenience of PDA product, industry just has the keyboard of foldover design to produce.

As shown in Figure 1, general Foldable keyboard 9 is that single keyboard is divided into the zone 91,92,93,94 that four sizes slightly equate, adjacent with a pivot respectively, pivot is parallel in twos, and make that per two adjacent areas can be superimposed relatively one by one along pivot therebetween, clamping piece (figure do not show) is set at last as enclosing cover and locking in outermost two zones.

Yet, as Fig. 2, two inferior keyboards 91,94 that occupy the outside are desired superimposed in the relative mode of button with two inboard time keyboards 92,93 in residence, owing to be subject to the button height when superimposed, make the outside time keyboard 91,94 can't directly be close to inboard time keyboard 92,93, and a junction 95 need therebetween be set; But consider when launching to use, can't allow the outside time keyboard 91,94 and inboard time 92,93 distances that leave connecting portion 95 of keyboard, for remedying the gap that connecting portion 95 is left over, the dealer just as shown in Figure 3, the outside time keyboard 91,94 is arranged in the housing 911,941, makes button portion 910,940 housing 911,941 translations (as shown in Figure 1) relatively of the outside time keyboard 91,94.

Thus, the user needs to move in the button portion 910,940 with the outside time keyboard as Fig. 1 and is close to inboard time keyboard 92,92 outer fringe positions when using keyboard 9; When desiring to fold, need again oppositely with the outside time keyboard portion 910,940 outer move to as Fig. 3 can folding away from inboard time keyboard 92,93 positions.The structure relative complexization of the outside time keyboard 91,94 not only, thus manufacturing cost thereby raising, keyboard thickness thicken thereupon, durability of structures also detracts.

In addition; as shown in figures 1 and 3; inboard keyboard 92 place be provided with can with the continuous continuous port 96 of PDA, the width and the thickness that are subject to inferior keyboard 92 are limited, the foldable one simple and easy bracing frame 97 of can only arranging in pairs or groups; simple support when linking storing as PDA; because the volume of this bracing frame 97 is much smaller than the gabarit of PDA, completely without the effect of protection, firm binding site, when setting up PDA on it and in a single day being collided; therefore structure is easily thrown off, is separated, and causes marriage relation not firm.

The utility model content

The purpose of this utility model is to provide the superimposed keyboard of a kind of folding simple structure, lower cost.

Another purpose of the present utility model is to provide a kind of PDA of having rest portions to reach the superimposed keyboard of the firm effect that connects of PDA.

A purpose more of the present utility model is to provide a kind of and meets ergonomics, makes the user open and close folding superimposed keyboard extremely smoothly.

Of the present utility model being characterised in that: superimposed keyboard is divided into central authorities' time keyboard and the left and right wing time keyboard, owing to all linking to each other between the inferior keyboard of the central authorities' time keyboard and the left and right wing with simple hinge device such as a connecting link, the outside of the left and right wing time keyboard housing that need not slide, whole designs simplification, manufacturing cost significantly reduces, structure is promptly durable in use, the keyboard integral thickness also reduces.Moreover central authorities' time keyboard is articulated with a cover cap, not only when folding for covering left and right time keyboard, and be provided with a PDA Port, so when keyboard used, the cover cap of unlatching also can be used as the rest portions of PDA, supplies PDA firmly to put.

Description of drawings

Below by most preferred embodiment and accompanying drawing superimposed keyboard of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the schematic top plan view that general superimposed keyboard launches user mode;

Fig. 2 is the folding pattern schematic side view of the superimposed keyboard among Fig. 1;

Fig. 3 is that the superimposed keyboard among Fig. 1 draws back the schematic top plan view that supplies folding state with the outside time keyboard;

Fig. 4 is the superimposed keyboard collapse state stereographic map of a preferred embodiment of the present utility model;

Fig. 5 is the cross sectional side synoptic diagram of the superimposed keyboard among Fig. 4;

Fig. 6 is the superimposed keyboard user mode cross sectional side synoptic diagram among Fig. 4;

Fig. 7 is the central authorities' time keyboard and the left and right time keyboard deployed condition schematic top plan view of the superimposed keyboard among Fig. 4;

Fig. 8 to Figure 10 be the left and right time keyboard of closed state among Fig. 4 from superimposed position to the process of the carrying out front-view schematic diagram of expanded position;

Figure 11 is the three-dimensional exploded view of the superimposed keyboard among Fig. 4.

Embodiment

As Fig. 4 and shown in Figure 5, the superimposed keyboard 1 of preferred embodiment of the present utility model is to be divided into central authorities' time keyboard 10, and at the left and right wing time keyboard 11,12 that folds above the time-division centre placed in the middle time keyboard, and occupy the central authorities' time keyboard 10 of below and the sizableness of the left and right wing that occupies the top time keyboard 11,12 additions when folding.

As Fig. 5, near the central authorities' time front end of keyboard 10 left and right sides, be respectively arranged with a spiral arm 100 away from the user, the one end is connected to central authorities' time keyboard 10, and the other end then is fixed to a cover cap 13, makes cover cap 13 be hubbed at time keyboard 10 left and right sides ora terminalis near central authorities.So; when the left and right wing time keyboard 11,12 is positioned at the superimposed position of central authorities time keyboard 10 tops; cover cap 13 can cover these left and right wings time keyboard 11,12, and snapping (figure does not show) is to central authorities' time keyboard 10, and the button part that makes each time keyboard is protected and do not expose.The inboard of cover cap 13 more is provided with a Port 130 that links for PDA.

As Fig. 4, these cover cap 13 outsides are provided with a bracing frame 131, in this example; the left and right side of cover cap 13 is formed with a jack (figure does not show) respectively; planting in two ends for bracing frame 131, and makes bracing frame 131 so as to pivoting, thus; as shown in Figure 6; when superimposed keyboard 1 was placed in cover expansion use as Fig. 7, cover cap 13 was raised, and this moment, PDA 8 was placed in cover cap 13 inboards; the position that links to each other with Port 130, and unlikely easily by collision disengaging Port 130 with cover cap 13 as protecting.Aspect in addition, bracing frame 131 can be drawn back to be resisted in desktop 7, make cover cap 13 be an angle setting with relative desktop 7, PDA 8 nature that is placed in cover cap 13 inboards towards the user, meets the demand with the user considered of ergonomic with a selectable angle of inclination fully.

As shown in Figs. 8 to 11, a left side, right flank time keyboard 11,12, be connected to these central authorities time keyboard 10 by a hinge device respectively, and can move with respect to central authorities' time keyboard 10, in this example, hinge device is a connecting link 14 as shown in figure 11, it has for a body 140 that passes central authorities' time keyboard 10, an and lever arm 141 that extends by the bending of body 140 two ends respectively, two lever arms 141 of each connecting link 14 bend toward each other away from body 140 ends and are extended with a fastening part 142, insert a left side whereby respectively, right flank time keyboard 11,12, with a left side, right flank time keyboard 11,12 are connected to central authorities' time keyboard 10.

Simple setting by above-mentioned connecting link, the left and right wing time keyboard 11,12 can be folded a left and right half side superimposed position above central authorities' time keyboard 10 as Fig. 8, also can be via the user in the outside naturally mode that stretches of both hands, pilot process through Fig. 9, reach as shown in figure 10, it is left and right that the left and right wing time keyboard 11,12 is expanded to central authorities' time keyboard 10 respectively, and with an expanded position of central authorities' time keyboard 10 parallel contacts.Radius when moving for the left and right wing time keyboard 11,12 arcs because of lever arm 141 length of connecting link 14 are proper is so lever arm 141 promptly is about half length that the left and right wing time keyboard 11,12 self-deploys position to superimposed position.So, when folding was superimposed, the left and right wing time keyboard 11,12 was right after each other and joins, and effectively saves overall space.And when launch using, the left and right wing time keyboard 11,12 also can be distinguished tight contiguous center time keyboard 10,1 centimeter only and between the general button of gap therebetween is close, the user draws back time keyboard 11,12 minutes to the right and left and can use, and need not need the left and right wing time keyboard additionally drawn back and fold or push to central authorities time keyboard place as superimposed keyboard in the past to use.

Because no matter the simple structure of connecting link 14 reduces integral thickness with regard to the cost of making, the durable even keyboard when using because of not needing that the slip housing additionally is set, and the performance that is better than conventional art is all arranged.In addition, no matter both hands stretch out outward or in propose folding, all meet the natural manner of human body, abide by the principle running of ergonomics, also be better than the elastic compression pattern of conventional art.In sum, the utility model discloses, and can reach the aforementioned simplified keyboard structure really, reduces manufacturing cost, reduces whole height, increase the service life, provides PDA firmly to lean on, can change effect enhancements such as PDA storing angle of inclination.

Claims (3)

1. a superimposed keyboard is to supply to link and input to a personal digital assistant machine, it is characterized in that comprising:

One central authorities' time keyboard has two groups of hinge devices;

The left and right wing time keyboard, it is a hinge device that is connected to these central authorities time keyboard respectively, this left and right wing time keyboard be can be relatively should central authorities' time keyboard, be positioned at a left and right half side superimposed position above these central authorities time keyboard respectively, and be positioned at these central authorities time keyboard left and right and with an expanded position of these central authorities time parallel contact of keyboard between pivot; Wherein, respectively this time keyboard is respectively arranged with plural button, and the area summation of these left and right wings time keyboard is roughly suitable with this central authorities time keyboards;

One cover cap is an ora terminalis that is hubbed near these central authorities time keyboard left and right sides, and respectively this time keyboard is positioned at above-mentioned superimposed position, covers these left and right wings time keyboard, and has a Port that is linked to this PDA.

2. superimposed keyboard as claimed in claim 1, it is characterized in that: respectively this hinge device comprises a connecting link, it has for a body that passes these central authorities time keyboard, an and lever arm that extends by this body two ends bending respectively, respectively this of this connecting link two lever arms bend toward each other away from an end of this body and are extended with a fastening part, insert this correspondence time keyboard in this left and right wing time keyboard whereby.

3. as the superimposed keyboard of claim 1, it is characterized in that: this cover cap has more a bracing frame that is arranged at the outside, and whereby, when this superimposed keyboard was placed in a desktop, this bracing frame was to resist in this cover, makes this cover cap be an angle setting with relative this cover.

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