CN2622756Y

CN2622756Y - 3-D position inputting keypad for inputting characters on cell phone and small device

Info

Publication number: CN2622756Y
Application number: CN 02293674
Authority: CN
Inventors: 奚振军
Original assignee: 陈秀云
Priority date: 2002-12-24
Filing date: 2002-12-24
Publication date: 2004-06-30
Anticipated expiration: 2012-12-24

Abstract

A 3-D inputting keyboard for inputting characters on small device such as cell phone comprises keys [1], key grooves[2], elastic rubber trays[3], a circuit contacting face structure [4]; the upper part of the key is designed into a cross shape which has a 45 degree angle with the cross shape at the lower part of the key; the elastic rubber tray is designed to be a ring [3], the cross section of the ring is a trapeziform; the elastic rubber tray is fixed between the key grooves and the circuit contacting face; the trigger rebounding force of all the direction are the same; the layout direction of the whole keyboard has a certain angle with the operation direction to make the operation accord with the principle of human body engineering, the finger movement distance can be reduced in switching motion.

Description

Be applied to the stereo omnibearing input keyboard of mini-plant inputing characters such as mobile phone

Technical field:

The utility model relates to a kind of input keyboard, be specifically related to a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone, belong to the International Classification of Patents G06F3/023 technical field that " the fragmented information project is converted into the device of code form ".

Background technology:

The microminiaturization of mobile phone and PC, require the keyboard miniaturization of input character, application for a patent for invention number is 99122164.8 to disclose the stereo omnibearing input push buttons of integrated five input contacts on a kind of button, comprises the key button (1) that adopts hard moulding material injection mo(u)lding, key button groove (2), contact sets (4), locating slot (5), bottom pad plate (8) is in conjunction with touching film film (7) and resilient rubbber cushion (3) (6), knock the not coplanar of a key button, import different characters.But can not reach in littler space, hold more input point.

Summary of the invention:

The purpose of this utility model is to provide a kind of and can holds more input points in littler space, and keeps key button between the button to separate the stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone in the space of enough operations mutually.

The purpose of this utility model is achieved through the following technical solutions.

A kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone comprises key button [1], key button groove [2], rubber bullet pad [3], circuit contact face [4] structure; Key button top is designed to become with the cross contact structure in bottom cross the cross of 45 degree corners, it is trapezoidal ring-like [3] that resilient rubbber cushion is designed to the cross section, be fixed between key button groove and the circuit contact face, the triggering bounce-back dynamics of each direction is identical, integral keyboard layout direction and direction of operating structure are at an angle, make operation meet the ergonomics principle, reduce the displacement of finger when action is switched.

The top of button key button monomer structure contacts by the inclined-plane with the top of key button groove, and correspondence is parallel to each other; The corresponding triggering with it of the anglec of rotation contact height of key button [1] is consistent.

Key button top is designed to become with the cross contact structure in bottom cross the cross of 45 degree corners, the cross direction in key button top is corresponding with key button groove cross during installation, spinning 45 is spent after going up middle contact trigger bit, going up the function initial bit again its role is to take place when triggering downwards, ramp structure causes the button key button can only continue downward triggering in activity space, when when other directions trigger generation, button is the center with the hemisphere axle, line through the hemisphere axle centre of sphere is the axle rotation, the ramp structure effect is smooth operation and prevents downward triggering, triggering can only be carried out according to preferential direction, the key operation direction from top to bottom is that trigger middle contact, finishes key button and installs.

With the central contact centre of sphere is the center, and other movable part centre ofs sphere overlap with this contact centre of sphere.

The key button groove body partly is the hemispherical Shell structure, the spherical shell inside radius centre of sphere overlaps with the key button contact sets hemisphere axle centre of sphere, cut cross notch and the key button contact portion cuts into back taper type inclined-plane in the hemispherical Shell top center, open cross notch in the bottom, the key button slot part is designed to the part of one injection moulding.

Rubber bullet pad is designed to ring-like, is fixed between key button groove and the circuit contact face, is provided with the initial position restore funcitons that a ring supports five directions of whole key button, and its cross section is trapezoidal.

Integral keyboard layout direction and direction of operating structure are at an angle.

Description of drawings:

Fig. 1 is a circuit contact face structural plan;

Fig. 2 is the key layout top view of relative Fig. 1;

Fig. 3 is the key button top view;

Fig. 4 is that A-A is to view;

Fig. 5 is that key button contact B-B is to view;

Fig. 6 is the key button left view;

Fig. 7 is a key button bottom land view;

Fig. 8 is a key button groove top view;

Fig. 9 is a key button groove left view;

Figure 10 is a rubber bullet pad left view;

Figure 11 is a rubber bullet pad top view;

Figure 12 is a rubber bullet pad model side view;

Figure 13 is a button key button erection sequence model synoptic diagram.

Each label implication among the figure:

Key button [1], the cross end face of key button [1-1], key button inclined-plane [1-2], square transition [1-3], hemisphere axle [1-4], face of tool [1-5], outer contact [1-6], middle contact [1-7], space between the contact [1-8]; Key button groove [2] key button groove top cross recess [2-1], key button groove surface groove [2-2], key button bottom land cross recess [2-3], hemisphere housing [2-4]; Rubber bullet pad [3], rubber bullet pad top [3-1], rubber bullet pad lower part [3-2]; Circuit contact face [4], contact region [4-1], between the contact zone [4-2], cross [4-3].

Embodiment:

Be the key button erection sequence as shown in figure 13, label (1-2) is the vertical view of step (1) and (2); Label (3-4) is the vertical view of step (3) and (4); Key button top is designed to become with the cross contact structure in bottom cross the cross of 45 degree corners, cross direction in key button top is corresponding with key button groove cross when mounted, spinning 45 is spent after going up middle contact trigger bit, go up the function initial bit again, button installs, and key button is processed into separate piece like this, saves the quantity of processing mold, save manufacturing cost, key button top adopts square connection the [1-3] to strengthen the intensity of structure with the substructure coupling part.

As Fig. 1,3,4,5, shown in 6,13, key button monomer structure top contacts with key button groove top and is the inclined-plane contact, and correspondence is parallel to each other, its role is to trigger generation when downwards, ramp structure causes button can only continue downward triggering in key button groove activity space, can not change the triggering direction; When other directions trigger generation, the ramp structure effect is smooth operation and prevents that key button from triggering downwards that key button triggers and can only carry out according to preferential direction; Be accurate positioning action direction and minimizing error range, design is the center with middle contact [1-7] centre of sphere, and other rotating part centre ofs sphere overlap with center, middle contact; The key operation direction from top to bottom is that trigger middle contact [1-7], and distance is triggered greater than a stroke in each contact in the ratio of contact, other four key positions; The corresponding contact with it of the key button anglec of rotation is triggered highly consistent, according to the extreme angles of other contacts and middle contact distance and the definite rotation of stroke size; Each the individual injection mo(u)lding separately of keyboard key button.

Design key button groove such as Fig. 7,8,9, shown in 13, structure comprises the key button groove top cross recess [2-1] of restriction key button moving direction, key button groove surface groove [2-2], key button bottom land cross recess [2-3], hemisphere housing [2-4]; The key button groove body partly is hemisphere housing [2-4] structure, the spherical shell inside radius centre of sphere overlaps with the key contacts group hemisphere axle centre of sphere, it is corresponding with key button inclined-plane [1-2] to cut into back taper type inclined-plane in cross notch in hemispherical Shell top and key button contact portion, opens cross notch in the bottom; Keyboard key button slot part integrated injection molding.

As Figure 10,11, shown in 12, rubber bullet pad is designed to ring-like, is fixed between key button groove and the circuit contact face, a ring supports the initial position restore funcitons of five directions of whole key button, corresponding with the actuation of keys feature, it is trapezoidal being designed to the cross section, when key button triggers stroke downwards and is a stroke and the extruding of rubber bullet pad top [3-1], contact area is big, and unit area bounce-back dynamics is little; The key button contact travel was greater than a stroke when other directions triggered, and key button and rubber bullet pad lower part [3-2] are pushed, and contact area is little, and unit area bounce-back great efforts make the contact triggering dynamics of each direction identical like this; Keyboard elastic rubber pad ring part is one-body molded.

Most preferred embodiment:

As Fig. 1,2, be 45 key contact layouts of 9 button combination of monomers, can hold 10 numerals and 26 English characters at interior button, keyboard circuit contact face [4] become with cross [4-3] inclination angle 26 degree during the left and right sides under 3 square centimeters of situations of occupy-place of corresponding monomer, 16 square centimeters of total occupy-places, this kind layout is saved whole footprint, and operating space nargin is increased relatively; Integral keyboard layout direction and direction of operating structure also make operation more meet the ergonomics principle at an angle, and action has reduced the displacement of finger when switching.

Claims

1, a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone, keyboard comprises button key button [1], key button groove [2], rubber bullet pad [3], circuit contact face structure parts such as [4], it is characterized in that: the top of button key button [1] monomer structure contacts by the inclined-plane with the top of key button groove [2], and correspondence is parallel to each other; The corresponding triggering with it of the anglec of rotation contact height of key button [1] is consistent.

2, a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone according to claim 1, it is characterized in that: key button top is designed to become with the cross contact structure in bottom cross the cross of 45 degree corners, the cross direction in key button top is corresponding with key button groove cross during installation, spinning 45 is spent after going up middle contact trigger bit, going up the function initial bit again its role is to take place when triggering downwards, ramp structure causes the button key button can only continue downward triggering in activity space, when when other directions trigger generation, button is the center with the hemisphere axle, line through the hemisphere axle centre of sphere is the axle rotation, the ramp structure effect is smooth operation and prevents downward triggering, triggering can only be carried out according to preferential direction, the key operation direction from top to bottom is that trigger middle contact, finishes key button and installs.

3, a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone according to claim 1, it is characterized in that: with the central contact centre of sphere is the center, other movable part centre ofs sphere overlap with this contact centre of sphere.

4, a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone according to claim 1, it is characterized in that: the key button groove body partly is the hemispherical Shell structure, the spherical shell inside radius centre of sphere overlaps with the key button contact sets hemisphere axle centre of sphere, cut cross notch and the key button contact portion cuts into back taper type inclined-plane in the hemispherical Shell top center, open cross notch in the bottom, the key button slot part is designed to the part of one injection moulding.

5, a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone according to claim 1, it is characterized in that: rubber bullet pad is designed to ring-like, be fixed between key button groove and the circuit contact face, be provided with the initial position restore funcitons that a ring supports five directions of whole key button, its cross section is trapezoidal.

6, a kind of stereo omnibearing input keyboard that is applied to mini-plant inputing characters such as mobile phone according to claim 6, it is characterized in that: integral keyboard layout direction and direction of operating structure are at an angle.