CN2403064Y - foldable keyboard - Google Patents

Abstract

The utility model provides a keyboard of can rolling over, it arranges the suitable interval definition of position according to predetermineeing the word key on the bottom plate and goes out a plurality of sectional areas of group, the circuit board that the material of can buckling that a plurality of word key input circuit district was defined out with same cutting line to an attached corresponding sectional area on the bottom plate was made, an attached corresponding circuit district supplies the bridge plate that the word key group disposes the plural number group block with same cutting line on the circuit board, the base plate that a material of can buckling was made sets firmly below the bottom plate, the base plate periphery has set firmly unsmooth frame that protects that meets according to the position department that cuts of cutting line, thereby form a keyboard structure that can roll over.

Description

foldable keyboard

The utility model relates to a configuration of a keyboard, in particular to a convenient and portable keyboard structure.

Nowadays, with the rapid development of science and technology, the technology of personal mobile communication products has matured, such as mobile phones and other equipped functions are no longer limited to call functions, but are gradually expanded to be used in network transmission and other functions, because the current global technology products mainly pursue their portability , so how to achieve light, thin, short, and small overall appearance is the focus of research and development, but in terms of current personal mobile communication products, the overall volume is often too large, which does not meet the requirements of portability.

Furthermore, the keyboard structures currently seen in the market, such as computer keyboards or notebook computer keyboards, are too large and heavy, and do not have a folding function, so users cannot carry them with them like personal mobile communication products. All are limited to product application scope and field, thus also influence its economic benefit.

The purpose of the utility model is to provide an improved foldable keyboard, which can greatly reduce the volume of the product and is convenient to carry.

The utility model is realized in this way: the foldable keyboard includes a base plate, a base plate, a circuit board, a bridge plate, and a plurality of word key groups, and its characteristic is that a plurality of assembly areas are defined on the base plate according to a preset appropriate spacing by means of cutting lines; The base plate is made of flexible polyester film material which can be bent, and the base plate is attached under the bottom plate, and a foldable protective frame is fixed on the periphery of the base plate at the position of a plurality of assembly areas defined by the bottom plate; A circuit board is attached to the bottom plate, a plurality of character key input circuit areas are defined with the same cutting line in the corresponding assembly area of the circuit board, and a connection circuit for each character key input circuit is extended on the side of the character key input circuit area. The signal output circuit area of the area line; a bridge board defines multiple blocks according to the appropriate spacing of the cutting line, and the bridge board is equipped with a hinged part; the plurality of word key groups are respectively arranged on the bridge board according to the preset number of words keys on the pivot joint; the keyboard can be folded by means of the above-mentioned components.

The connection between the protective frame of the substrate can be the connection between the bump and the groove, or the connection between the T-shaped block and the T-shaped groove. material, a signal output socket is connected to the edge of the signal output circuit area of the circuit board.

The utility model defines a plurality of connection areas on the base plate, on which a circuit board made of bendable material and a plurality of word key groups are arranged, and a base plate made of bendable material is set under the base plate, and the periphery of the base plate is There are hinges with concavo-convex connections, and the above-mentioned structure enables the keyboard to be folded, thereby greatly reducing the volume and achieving the effect of being convenient to carry.

The concrete structure of utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is an axonometric exploded schematic view of the foldable keyboard of the present invention.

Fig. 2 is a schematic diagram of the appearance of the foldable keyboard combination of the present invention.

Fig. 3 Schematic diagram of the protective frame structure in Fig. 1 (1).

Figure 4 is a schematic diagram of the protective frame structure in Figure 1 (2).

Figure 5 is a schematic diagram of the protective frame structure in Figure 1 (3).

Figure 6 is a schematic diagram of the protective frame structure in Figure 1 (four).

Fig. 7 is a schematic diagram of the protective frame structure in Fig. 1 (5).

Fig. 8 is a schematic diagram of folding the structure of Fig. 1 (1).

Fig. 9 is a schematic diagram (2) of folding the structure of Fig. 1 .

Fig. 10 is a schematic diagram (3) of folding the structure of Fig. 1 .

Fig. 11 is a perspective view of another embodiment of the utility model.

Referring to Figures 1 and 2, the foldable keyboard 1 is on a base plate 2 made of metal or hard plastic material, and a plurality of assembly areas 21 are cut out according to the appropriate spacing of the preset key arrangement positions, a circuit board 3 is to be attached on the base plate 2, and on the circuit board 3, the corresponding assembly area 21 defines the multiple number key input circuit area 31 with the same cutting line 34, and the circuit board 3 is a bendable polyester film material (such as polyester imine (polyimide) and other flexible circuit board materials), extend a signal output circuit area 32 connected to each word key input circuit area 31 circuit on the word key input circuit area 31 side, in the signal output circuit area of circuit board 3 A signal output seat 33 is connected to the end edge of 32, and a bridge plate 4 is connected on the circuit board 3 and the base plate 2. The bridge plate 4 is divided into a block 41 of the same size as the assembly area 21 of the base plate 2, and the bridge plate 4 is provided with a pivotal joint 42, and a plurality of word key groups 5 are respectively arranged in sequence, and the word key group 5 includes a bridge 51 pivoted with the bridge plate 4, an elastic body 52 arranged on the bridge 51, A set of keycaps 53 which are arranged on the elastic body 52 and connected with the bridging bridge 51, and finally a base plate 6 made of a bendable material is fixed under the bottom plate 2, and the top surface periphery of the base plate 6 is cut according to the cutting line. The cutting position is fixedly provided with a protective frame 61 that is concavo-convex, wherein the combination between the protective frame 61 can be a bump 611 at one end, and two concavo-convex joints with a groove 612 at its corresponding end, wherein the word key group 5 Assembling and bridging 51 articulation modes are different and then all belong to known technology.

The protective frame 61 can also be attached to the peripheral edge of the bottom surface of the substrate 6 , and the protective frames 61 are also concavo-convex.

Referring to Fig. 3 to Fig. 7, the combination between the protective frames 61 can be provided with a bump 6111 on both sides of the protruding block 611 at one end, and a groove 612 on the other opposite protective frame, on the two concave surfaces of the groove 612 Corresponding positions are provided with card slots 6121 to enable a better combination of the protective frame 61 . or;

The connection between the protective frames 61 can be a T-shaped block 613 at one end and a T-shaped slot 614 at the corresponding end. or;

Wherein the combination between the protective frame 61 can be provided with a draw-in groove 6112 on both sides of the protruding block 611 at one end, and two concave surfaces of the groove 612 are provided with accommodating grooves 6122 at their corresponding positions, and the accommodating grooves 6122 are provided with a The elastic body 6123 and a steel ball 6124, when the two protective frames 61 are engaged, the steel ball 6124 will be pushed by the elastic body 6123 into the slot 6112 of the protruding block 611, so that the protective frame 61 can be better combined. or;

Wherein the protective frame 61 can also be amended by the way of the original concavo-convex connection, and a stepped cut is made on both sides of the concave protective frame 61, so that its cross section is a concave T-shaped slot 615, which is in the shape of The grooves on both sides of the convex guard frame 61 are also cut in a stepped shape, so that its cross-section is an embossed T-shaped block 616. When the two guard frames 61 are engaged, the embossed T-shaped block 616 and The depressed T-shaped card slot 615 will be firmly combined. or;

Among them, the protective frame 61' can also be placed in a П shape, so as to sandwich the bottom plate 2, the circuit board 3 and the bridge plate 4, and finally a substrate 5 made of a bendable material is glued to the bottom of the bottom plate 2 , the combination between the protective frames 61' can also adopt all the above-mentioned combination methods.

Referring to Figures 8, 9, and 10, when the user goes out to carry, the corresponding cutting positions of the base plate 2 and the bridge plate 4 and the cutting line 34 of the circuit board 3 are bent by means of the base plate 6 and the circuit board 3. made of polyester film material, so that each group connection area 21 of the base plate 2 and the word key group 4 connected thereon can be relatively inwardly folded synchronously, as shown in Figure 10, and its volume can be reduced to 1/4 of the original volume. At this time, a box body 7 can be matched with the folded keyboard 1 for installation, so as to achieve the effect of being convenient to carry.

Referring to Fig. 11, a longer signal output circuit area 32 can be extended on the circuit board 3, and the signal output circuit area 32 can be folded back and joined with each assembly area 21 of the base plate 2, and the signal output circuit of the circuit board 3 A protective frame 61 is attached to the periphery of the area 32, and a signal output seat 33 is connected to the end edge of the signal output circuit area 32 of the circuit board 3, thus forming a foldable keyboard 1.

The above-mentioned structure can be folded in multiple sections so as to be convenient to carry, and the protective frame is such that when the keyboard is thrown away, the protective frame arranged on the base plate will frame the key groups on the keyboard, thereby forming a stable keyboard.

Claims (10)

1. but a folding keyboard comprises base plate, circuit board, it is characterized in that:

A. a base plate (2) is that the mat cutting line defines a plurality of windings district (21) according to default suitable spacing on it;

B. a substrate (6), for the mylar flexible material that tool is bent is made, substrate (6) is to be attached to base plate (2) below, is installed with the collapsible frame (61) that protects at the periphery of substrate (6) according to the position in base plate (2) a plurality of windings district (21) that defines;

C. a circuit board (3) is to be attached on the base plate (2), go up corresponding winding district (21) at circuit board (3) and define a plurality of keyboard input circuits districts (31), extend the signal output loop district (32) of each keyboard input circuit district (31) circuit of connection in keyboard input circuit district (31) one sides with same cutting line (34);

D. a bridge plate (4) is to define plural groups block (41) by the suitable spacing of cutting line (34), and bridge plate (4) is provided with articulated section (42);

E. a plurality of keyboard groups (5) are to be configured in respectively on the articulated section (42) of bridge plate (4) according to the predetermined word bond number.

But 2. folding keyboard according to claim 1, it is characterized in that substrate (6) to protect between frame (61) in conjunction with can be an end be projection (611), corresponding end is groove (612), protecting between frame (61) is to be concavo-convex in twos to join.

3. but folding keyboard according to claim 1, the two sides that it is characterized in that the projection (611) that protects combination between frame (61) of substrate (6) convex with a protruding grain (6111), and another its opposite position place of two concave surfaces that protects the groove (612) of frame relatively offers draw-in groove (6121).

4. but folding keyboard according to claim 1 is characterized in that protecting combination between frame (61) and can at one end being provided with and being T type piece (613) of substrate (6), and corresponding end then joins for the word of T in twos of T type groove (614).

5. but folding keyboard according to claim 1, the two sides of protecting the projection (611) that combination between frame can be at one end that it is characterized in that substrate (6) offer a draw-in groove (6112), and offer storage tank (6122) at its opposite position place of two concave surfaces of groove (612), storage tank (6122) includes and is provided with an elastic body (6123) and a steel ball (6124), two steel balls when protecting frame (61) fastening state (6124) by elastic body (6123) overhead in the draw-in groove (6112) of projection (611).

6. but folding keyboard according to claim 1, it is characterized in that doing stair-stepping cutting at the concavo-convex dual-side that protects frame (61) that is concavity that joins, its cross section is the T type draw-in groove (615) of a depression, protect two side channels of frame (61) and do stepped cutting being convex, its cross section be the T type draw-in groove (615) of the T type fixture block (616) of a relief and depression firm in conjunction with and clamping.

7. but according to claim 1,2,3,4,5,6 or 7 described folding keyboards, the protecting frame (61 ') and can put and be a П font of substrate, and clamping base plate (2), circuit board (3) and bridge plate (4), substrate (6) cementation that a bent material is made is located at the below of base plate (2).

8. but folding keyboard according to claim 1 is characterized in that protecting the periphery that frame (61) can be attached to substrate (6) bottom surface, and protects and be concavo-convex between frame (61) and join.

9. but folding keyboard according to claim 1 is characterized in that circuit board (3) is to make for the bent polyester of the tool film soft materials that falls.

10. but folding keyboard according to claim 1 is characterized in that being equipped with on signal output loop district (32) ora terminalis of circuit board (3) signal output seat (33).

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