CN204927086U - Keyboard device and keys - Google Patents

Abstract

A keyboard device comprises a bottom plate, a conductive film and a plurality of keys. The conductive film is arranged on the bottom plate. Each key comprises a keycap and a conducting piece. The keycap has a first end and a second end. Wherein the first end extends downwards to form a support member, and the support member is connected to the bottom plate. The conducting piece is arranged on the bottom surface of the keycap. When the key is pressed, the second end is inclined downwards, and the conducting piece is contacted with the conductive film. The utility model discloses because the component is less, and simple structure, compare in known keyboard device and the button with scissors foot interlock structure, except that reduce cost, the equipment is more convenient. In addition, the thickness of the key can be quickly adjusted according to the product requirements.

Description

Key board unit and button

Technical field

The utility model relates to a kind of key board unit, particularly a kind of key board unit with simple key structure.

Background technology

Due to consumption electronic products, as the bluetooth keyboard that ultrathin notebook PC (Ultrabook) or collocation panel computer use, all towards the future development that size is frivolous, and the principal element of compression bonding disc thickness, then at reduction button thickness.The press-key structure of known keyboard is made up of keycap, base plate and the scissor serial verb construction be connected between keycap and base plate.The integral thickness of described press-key structure is limited to scissor serial verb construction, cannot significantly reduce button thickness, and its assembling also quite inconvenience.

Utility model content

In view of this, the utility model key board unit of providing a kind of structure simple, easily assembled and button.

A kind of key board unit that the utility model provides comprises base plate, conductive film and multiple button.Each button comprises keycap and conduction element.Keycap has first end and the second end, and wherein first end extends to form strutting piece downwards, and strutting piece is connected to base plate.Conduction element is arranged at the bottom surface of keycap.Wherein, when button is subject to pressing, the second end is downward-sloping, and conduction element is contacted with conductive film.

In an embodiment of the present utility model, strutting piece and base plate are mutually vertical.

In an embodiment of the present utility model, strutting piece comprises: connecting portion, and described strutting piece is fixedly arranged on described base plate by described connecting portion.

In an embodiment of the present utility model, described conduction element comprises: flexible member, is arranged at the bottom surface of described keycap; And electric conductor, be arranged at the bottom surface of described keycap; Wherein, when described button is pressed, conductive film described in described conductive body contact.

In an embodiment of the present utility model, described electric conductor is connected to described flexible member.

A kind of button that the utility model provides is arranged on base plate, and base plate is provided with conductive film, and button correspondence is configured in the top of conductive film.Button comprises keycap and conduction element.Keycap has first end and the second end, and wherein first end extends to form strutting piece downwards, and strutting piece is connected to base plate.Conduction element is arranged at the bottom surface of keycap.Wherein, when button is subject to pressing, the second end is downward-sloping, and conduction element is contacted with conductive film.

In an embodiment of the present utility model, described strutting piece is mutually vertical with described base plate.

In an embodiment of the present utility model, described strutting piece comprises: connecting portion, and described strutting piece is fixedly arranged on described base plate by described connecting portion.

In an embodiment of the present utility model, described conduction element comprises: flexible member, is arranged at the bottom surface of described keycap; And electric conductor, be arranged at the bottom surface of described keycap; Wherein, when described button is pressed, conductive film described in described conductive body contact.

In one of them embodiment of the present utility model, described electric conductor is connected to described flexible member.

In sum, key board unit of the present utility model and button, because composed component is less, and structure is simple, and compared to known with the key board unit of scissor serial verb construction and button, except can reducing costs, it is more convenient to assemble.In addition, button thickness can adjust fast according to product demand.

For described feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of a kind of key board unit according to the utility model one embodiment.

Fig. 2 A is the cutaway view of button along hatching AA ' of Fig. 1.

Fig. 2 B is the schematic diagram of Fig. 2 A button when being pressed.

Fig. 3 A to Fig. 3 E is the schematic diagram of another embodiment of the button of Fig. 2 A.

Fig. 4 A to Fig. 4 C is the schematic diagram of the keycap of Fig. 2 A and another embodiment of strutting piece.

Fig. 5 A to Fig. 5 C is the assembling flow path figure of the key board unit according to the utility model one embodiment.

Embodiment

Hereinafter with reference to relevant drawings, key board unit and the button of the utility model one embodiment is described, wherein identical element is illustrated with identical reference marks.

Please refer to Fig. 1, Fig. 2 A to Fig. 2 B, Fig. 1 is the schematic diagram of a kind of key board unit of the utility model one embodiment.Fig. 2 A is the cutaway view of button 11 along hatching AA ' of Fig. 1.Fig. 2 B is the schematic diagram of the button 11 of Fig. 2 A when being pressed.

Key board unit 1 of the present utility model comprises multiple button 11, base plate 12 and conductive film 13.Conductive film 13 is arranged on base plate 12, and multiple button 11 correspondences are configured in the top of conductive film 13.Conductive film has multiple toggle area (not shown), and it corresponds to multiple button 11, when button 11 is biased F pressing, can contact conducting, to transmit push button signalling with the toggle area of corresponding conductive film 13.

Button 11 comprises keycap 111, strutting piece 112 and conduction element 113.Keycap 111 has first end 111A and the second end 111B, and the first end 111A of keycap 111 extends to form strutting piece 112 downwards.Strutting piece 112 is connected to base plate 12, and is fixedly arranged on base plate 12.Conduction element 113 is arranged at the bottom surface of keycap 111, when button 11 is subject to pressing, second end 111B of keycap 111 is downward-sloping, conduction element 113 can be corresponding be pressed button 11 the toggle area of conductive film 13 contact conducting, make signal transacting (not shown) to transmit push button signalling to backend electronics element.

As shown in Figure 2 A, strutting piece 112 is mutually vertical with base plate 12, and in addition, strutting piece 112 comprises connecting portion 112A, and the other end of connecting portion 112A self-supporting part 112 stretches out, and namely strutting piece 112 is fixedly arranged on base plate 12 by connecting portion 112A.In the present embodiment, base plate 12 comprises through hole O, can hold connecting portion 112A, to set firmly keycap 111 and strutting piece 112.Wherein, the material of connecting portion 112A can be identical or different with the material of strutting piece 112 and keycap 111, is not restricted in the utility model.

In addition, keycap 111, strutting piece 112 and connecting portion 112A are in technique, and can one-body moldedly be solid memder, it can utilize jetting formation process to complete integrated operation, strutting piece 112, when assembling flow path, is fixedly arranged in the through hole O of base plate 12 by connecting portion 112A; Or when strutting piece 112 is connected with base plate 12, utilizes extra quality injection and form connecting portion 112A, it can carry out technique adjustment according to actual demand, is not restricted in the utility model.

Because strutting piece 112 is connected with base plate 12, its junction can be considered fulcrum, provides keycap 111 support force.When button 11 is not pressed, strutting piece 112 and the junction of base plate 12, can provide support power, maintains keycap 111 in fixed position; When the keycap 111 of button 11 is pressed, then with the junction (i.e. the position of connecting portion 112A) of strutting piece 112 and base plate 12 for fulcrum, produce low-angle wobble, second end of keycap 111 is downward-sloping, to make conduction element 113 and conductive film 13 conducting of button 11, transmit push button signalling.

In addition, conduction element 113 comprises electric conductor 113A and flexible member 113B.In the present embodiment, electric conductor 113A is connected to flexible member 113B, and electric conductor 113A and flexible member 113B is arranged at the bottom surface of keycap 111, and when button 11 is biased F pressing, electric conductor 113A then can contact conductive film 13.In other embodiments, electric conductor 113A and flexible member 113B can be arranged at the bottom surface of keycap 111 respectively, and electric conductor 113A can not be connected with flexible member 113B.In addition, in the present embodiment, when button 11 is biased F pressing, can the arrange in pairs or groups strutting piece 112 of keycap 111 of flexible member 113B provides restoring force jointly, makes button 11 recover position originally.

Below please refer to Fig. 3 A to Fig. 3 E, Fig. 3 A to Fig. 3 E is the schematic diagram of another embodiment of the button 11 of Fig. 2 A.

The button 11 of Fig. 3 A and Fig. 3 B is close with button 11 structure of Fig. 2 A, main difference part is, the flexible member 113B of Fig. 3 A and Fig. 3 B is spring, in Fig. 3 A, flexible member 113B and electric conductor 113A is arranged at the bottom surface of keycap 111 respectively, that is flexible member 113B and electric conductor 113A is not arranged at the same position of the bottom surface of keycap 111; In Fig. 3 B, electric conductor 113A is arranged at the center of flexible member 113B (spring).

The button 11 of Fig. 3 C and Fig. 3 D is close with button 11 structure of Fig. 2 A, and main difference part is, the skirt section 114 of the flexible member 113B of Fig. 3 C and Fig. 3 D has kink 114A, and when button 11 is pressed, the deformation quantity of flexible member 113B can effectively increase.In Fig. 3 C, flexible member 113B and electric conductor 113A is arranged at the bottom surface of keycap 111 respectively, that is flexible member 113B and electric conductor 113A is not arranged at the same position of the bottom surface of keycap 111; In Fig. 3 D, electric conductor 113A is then connected with flexible member 113B.

The button 11 of Fig. 3 E is close with button 11 structure of Fig. 2 A, main difference part is, the flexible member 113B of the button 11 of Fig. 3 E is cylindric, be sheathed on the outer rim of electric conductor 113A, when button 11 is pressed, flexible member 113B produces deformation, contacts with conductive film 13 to make electric conductor 113A.

Be the schematic diagram of another embodiment of keycap 111 and strutting piece 112 in Fig. 2 A referring to Fig. 2 A, Fig. 4 A to Fig. 4 C, Fig. 4 A to Fig. 4 C.

In Fig. 2 A, strutting piece 112 is connected with one end of keycap 111, and its junction is right angle, but can need according to design the junction shape changing strutting piece 112 and keycap 111.As shown in Figure 4 A, its junction is circular arc; Or as shown in Figure 4 B, strutting piece 112 is connected with inclined-plane with keycap 111; Or as shown in Figure 4 C, there is between strutting piece 112 and keycap 111 quarter bend folding part, strutting piece 112 and the profile design of the junction of keycap 111, can adjust according to actual design demand, not be restricted in the utility model.

Please refer to Fig. 5 A to Fig. 5 C, Fig. 5 A to Fig. 5 C is the assembling flow path figure of the key board unit according to the utility model one embodiment.

As shown in Figure 5A, be first connected with conductive film 13 by conduction element 113 (electric conductor 113A and flexible member 113B), it can utilize hot melting process, is installed on conductive film 13 by conduction element 113.Afterwards, as shown in Figure 5 B, conduction element 113 and conductive film 13 are arranged on base plate 12.Afterwards, then as shown in Figure 5 C, keycap 111 and strutting piece 112 are oppositely disposed on conduction element 113 and conductive film 13, recycling hot melting process or extra quality injection technique, strutting piece 112 is installed on base plate 12, and conduction element 113 is arranged at the bottom surface of keycap 111.Because keycap 111 of the present utility model and strutting piece 112 are all the simple parts of structure, again because assembling easily, all can effectively reduce in material cost, process costs.

In sum, key board unit of the present utility model and button, because composed component is less, and structure is simple, and compared to known with the key board unit of scissor serial verb construction and button, except can reducing costs, it is more convenient to assemble.In addition, button thickness can adjust fast according to product demand.

Although the utility model with embodiment openly as above; so itself and be not used to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection range of the present utility model is as the criterion when defining depending on claims.

Claims (10)

1. A keyboard device, characterized in that, wherein said keyboard device comprises: floor; a conductive film disposed on the bottom plate; and a plurality of buttons, each of which includes: The keycap has a first end and a second end, wherein the first end extends downwards to form a support, and the support is connected to the bottom plate; and a conducting member arranged on the bottom surface of the keycap; Wherein, when the key is pressed, the second end is inclined downward, and the conducting member is in contact with the conductive film. 2. The keyboard device according to claim 1, wherein the support member and the bottom plate are perpendicular to each other. 3. The keyboard device according to claim 1, wherein the support member comprises: A connecting portion, through which the supporting member is fixed on the bottom plate. 4. The keyboard device according to claim 1, wherein the conducting member comprises: an elastic element is arranged on the bottom surface of the keycap; and a conductor disposed on the bottom surface of the keycap; Wherein, when the key is pressed, the conductor contacts the conductive film. 5. The keyboard device according to claim 4, wherein the conductor is connected to the elastic element. 6. A key set on the base plate, wherein the base plate is provided with a conductive film, the key is correspondingly arranged above the conductive film, and the key comprises: The keycap has a first end and a second end, wherein the first end extends downwards to form a support, and the support is connected to the bottom plate; and a conducting member arranged on the bottom surface of the keycap; Wherein, when the key is pressed, the second end is inclined downward, and the conducting member is in contact with the conductive film. 7 . The button according to claim 6 , wherein the support member and the bottom plate are perpendicular to each other. 8. The button according to claim 6, wherein the support member comprises: A connecting portion, through which the supporting member is fixed on the bottom plate. 9. The button according to claim 6, wherein the conducting member comprises: an elastic element is arranged on the bottom surface of the keycap; and a conductor disposed on the bottom surface of the keycap; Wherein, when the key is pressed, the conductor contacts the conductive film. 10. The button according to claim 9, wherein the conductor is connected to the elastic element.