TWM547172U - Lift-type key and a keyboard including the key - Google Patents

Description

Lifting word key and keyboard including the word key

The present invention relates to a lifting type key and a keyboard including the word key, and more particularly to a structure for raising and lowering the height of a word key by interlocking the horizontal moving pieces.

In recent years, due to the advancement of science and technology, various electronic products have been continuously updated, and their appearance and convenience have always been one of the focuses of consumers' comparative products. The keyboard is one of the most important tools in the use of computers.

Of course, the design of the keyboard is also constantly improving. Whether it is a general keyboard or a keyboard applied to a notebook computer, the products of each brand have become increasingly thin and light. In the case of a notebook computer, the most straightforward way to reduce the height and thickness is to shorten the stroke of the button, which makes the product lighter and more portable. According to the investigation, in the case of the Republic of China Patent No. 5780085, the button is connected by a supporting plate and a driving plate, so that a button lifting mechanism can be folded. However, such a design can be When the button is pressed, the height of the button is lowered, but when the button is pressed, the force of pressing the button cap needs to be applied to the receiving portion of the receiving plate via a protruding portion, and then the elastic portion of the supporting portion of the supporting plate is pressed. The push button has obvious pressing failure, and the front case is complicated in terms of component structure and linkage relationship, and the manufacturing and assembly process thereof is relatively time-consuming and laborious, and it is necessary to improve.

In view of this, the creator of this case has been engaged in relevant design practice experience for many years, and actively researched and improved, and after many physical sample production and testing, and then specifically improved the above shortcomings of the conventional knowledge, and finally completed the creation.

In order to overcome the above disadvantages, the present invention provides a lifting type key and a keyboard including the word key, which is provided with a horizontal moving piece which can be moved up and down by a word key, and has the effect of reducing the height of the keyboard when folding.

The lifting type key of the present invention comprises: a bottom plate, a horizontal moving piece, a key cap and a bridge mechanism; wherein a circular arc-shaped metal elastic piece is fastened on the horizontal moving piece, and the bridging mechanism is pivotally connected And being assembled between the bottom plate, the horizontal moving piece and the key cap, wherein the bridging mechanism has an extending convex portion and the top end is linked to the top surface of the circular arc metal elastic piece, thereby pulling the horizontal moving piece The horizontal displacement action causes the arc-shaped metal elastic to slide the top cymbal or release the extended convex portion, thereby achieving the height of the lifting key or the keyboard, so as to improve the keyboard thin and short and convenient to carry.

The following is a detailed description of the specific embodiments and the drawings, so that the reviewing committee has a better understanding of the technical features of the creation.

As shown in FIG. 1 to FIG. 4 , the present invention is a lift type key 100 comprising: a bottom plate 10 , a horizontal moving piece 20 , a key cap 30 and a bridge mechanism 40 .

Regarding the bottom plate 10, it has two corresponding guide grooves 11 and two symmetric pivot grooves 12.

The horizontal moving piece 20 has a thin film circuit piece 21, a circular arc-shaped metal elastic piece 22, a concave portion 23 and a plurality of elongated sliding holes 24 (four elongated sliding holes 24 in this embodiment), the circle The curved metal elastic piece 22 is fixed on the thin film circuit piece 21, and the inner surface portion of the thin film metal piece 22 corresponding to the thin film circuit piece 21 has an upper conduction point 211 and a lower conduction point 212; The horizontal moving piece 20 is horizontally movable on the bottom plate 10 and has a first position P1 and a second position P2.

The keycap 30 is a square pressing member; the bottom surface of the key cap 30 is formed with two symmetrical guiding grooves 31 and two pivoting grooves 32.

The bridge mechanism 40 has a first frame 41, a second frame 42 and an extended convex portion 40A disposed at a central portion of the first frame 41. The extended convex portion 40A is extended to the first frame. a central portion, and the extending convex portion 40A corresponds to a position of a conductive point 211 and a lower conductive point 212 above the inner layer of the thin film circuit sheet 21; the bridging mechanism 40 is composed of the first frame 41 and the second frame 42 The cross shaft pivots into a unitary rotation mechanism (commonly referred to as a scissor structure), and the top edge and the bottom edge of the bridge mechanism 40 are pivotally connected between the keycap 30 and the bottom plate 10 respectively, and a bridge type is formed. The bottom edge of the bridging mechanism 40 is pivotally coupled to the bottom plate 10 through the corresponding elongated sliding hole 24 of the horizontal moving piece 20.

It can be seen from FIG. 4 that the two corresponding sliding shafts 411 extending outwardly from the two sides of the top edge of the first frame 41 are pivotally connected to the two corresponding guide slots 31 of the bottom surface of the keycap 30, and the top edge of the second frame 42 is further The corresponding pivot shaft 421 is rotatably pivotally connected to the two corresponding pivoting slots 32 of the bottom surface of the keycap 30; then, the two corresponding sliding shafts 422 of the bottom edge of the second frame 42 are slidably disposed. The two corresponding pivots 412 are pivotally connected to the two corresponding pivoting slots 12 of the bottom plate 10, and the two corresponding pivots 412 of the first frame 41 are pivotally connected to the two corresponding pivoting slots 12 of the bottom plate 10. Inside.

Further, a central portion of the first frame 41 is provided with a pair of shaft holes 413. The central position of the second frame 42 extends outwardly with a pair of pivots 423 for enabling the two corresponding shaft holes 413 of the first frame 41. The two pivots 423 of the second frame 42 are pivotally coupled to each other, and the bridge shafts composed of the first frame 41 and the second frame 42 have relative positions by the two pivots 423 being the center of rotation. The effect of the rotation.

Thereby, when the horizontal moving piece 20 is interlocked at the first position P1, the circular arc-shaped metal elastic piece 22 supports the extending convex part 40A upwardly as shown in FIG. 5A and FIG. 5B, so that the bridge is bridged. The mechanism 40 and the word key are in a raised use state; when the horizontal moving piece 20 is interlocked at the second position P2, the top arc surface of the circular arc-shaped metal elastic piece 22 and the extended convex portion 40A are relatively slidably moved. And causing the extending convex portion 40A to move in the concave portion 23 of the horizontal moving piece 20, and releasing the extending convex portion 40A, thereby lowering the bridging mechanism 40 to be in a collapsed state (as shown in FIG. 7).

In more detail, the inner layer of the thin film circuit board 21 has an upper conduction point 211 and a lower conduction point 212 (as shown in FIG. 5B) corresponding to the circular arc-shaped metal dome 22, when the horizontal moving piece 20 is located. In the first position P1, the circular arc-shaped metal elastic piece 22 supports the extending convex portion 40A upwardly, so that the movable mechanism 40 is in a use state. At this time, the key cap 30 is located at a third position P3. The upper conduction point 211 is separated from the lower conduction point 212. When the keycap 30 is pressed (as shown in FIG. 6A) and moved from the third position P3 to a fourth position P4, the extended convex portion 40A is oriented. The top surface of the circular arc-shaped metal elastic piece 22 is pressed downward, and the central portion of the circular arc-shaped metal elastic piece 22 is deformed downwardly to touch the conduction point 211 and the lower conduction point 212 on the inner layer of the thin film circuit piece 21, Further, the word key conduction signal can be output; when the pressing of the key cap 30 is released, the circular arc metal elastic piece 22 is not subjected to the downward pressing force, and the conduction point 211 and the lower conduction path of the thin film circuit 21 are turned on. Point 212 is in a separated, non-conducting state, and pushes the keycap 30 back to the third position P3 (ie by 6A is returned to the state of FIG. 5A).

In a practical manner, a spacer 213 is disposed between the upper conductive node 211 and the lower conductive node 212. The spacer 213 is provided with a through hole 213A corresponding to the upper conductive node 211 and the lower conductive node 212. For the conventional technology, it will not be described here.

As shown in FIG. 7, when the user wants the word key to assume the fall-and-rear state, when the horizontal moving piece 20 is horizontally linked to the second position P2, the top arc surface of the circular-shaped metal elastic piece 22 is The extending convex portion 40A is relatively slidably moved, and the extending convex portion 40A is slid down in the concave portion 23, so that the bridging mechanism 40 is lowered to be in a collapsed state (the keycap 30 cannot be pressed at this time).

The present invention also provides a keyboard, which includes a base 200 and a plurality of lifting type keys 100 (as shown in FIGS. 8A and 8B). The base 200 can be a bottom case body of a general notebook computer. The opening and closing action of the screen cover of the notebook computer, and then the horizontal moving piece 20, the linkage mechanism can be a common common link technology to achieve the effect of lifting the keyboard.

In summary, the creation utilizes the lifting and lowering of the lifting type key to achieve the lifting key or adjusting the height of the keyboard, so as to achieve the effect of improving the keyboard thin and short and convenient to carry.

From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the aforementioned objectives, and has been in compliance with the provisions of the Patent Law, and proposes a new type of patent application.

100‧‧‧ Lifting word key

200‧‧‧Base

10‧‧‧floor

11‧‧‧Guide chute

12‧‧‧ pivot slot

20‧‧‧ horizontal moving film

21‧‧‧film circuit

211‧‧‧上通通点

212‧‧‧Next conduction point

213‧‧‧ spacers

213A‧‧‧through hole

22‧‧‧Circular metal shrapnel

23‧‧‧ recess

24‧‧‧Long slide hole

30‧‧‧Key Cap

31‧‧‧ Guide chute

32‧‧‧ pivot slot

40‧‧‧Bridge mechanism

40A‧‧‧Extended convex

41‧‧‧ first frame

411‧‧‧Sliding shaft

412‧‧‧ pivot

413‧‧‧Axis hole

42‧‧‧ second framework

421‧‧‧ pivot

422‧‧‧Sliding shaft

423‧‧‧ pivot

P1‧‧‧ first position

P2‧‧‧ second position

P3‧‧‧ third position

P4‧‧‧ fourth position

FIG. 1 is a three-dimensional exploded view of the creative word key. 2 is a partial cross-sectional view showing the state of use of the creative word key. Fig. 3 is a partial cross-sectional view showing the folded state of the original word key. Figure 4 is a perspective exploded view of the bridging mechanism of the present invention. Fig. 5A is a cross-sectional view showing the use state of the creation, showing that the word key is in a raised state. FIG. 5B is a partial enlarged view of FIG. 5A. FIG. 6A is a cross-sectional view showing the use state of the creation, which shows that the word key is in a touch-on state. Figure 6B is a partial enlarged view of Figure 6A. Fig. 7 is a cross-sectional view showing the collapsed state of the creative word key, which shows that the word key is lowered and collapsed. FIG. 8A is a schematic diagram of the use of the keyboard of the present invention, which shows that the open notebook and the word key are in a raised state. FIG. 8B is a schematic diagram of the keyboard folding of the creation, which shows that the folding pen and the word key are in a collapsed state.

100‧‧‧ Lifting word key

10‧‧‧floor

20‧‧‧ horizontal moving film

22‧‧‧Circular metal shrapnel

23‧‧‧ recess

30‧‧‧Key Cap

40‧‧‧Bridge mechanism

40A‧‧‧Extended convex

P1‧‧‧ first position

P3‧‧‧ third position

Claims (8)

A lifting type key comprises: a bottom plate; a horizontal moving piece, comprising a thin film circuit piece, a circular arc metal elastic piece, a concave portion and a plurality of long sliding holes, the circular arc metal elastic piece securing Provided on the thin film circuit sheet, the inner layer portion of the thin film metal piece corresponding to the thin film circuit piece has an upper conduction point and a lower conduction point, and the horizontal moving piece is horizontally movable on the bottom plate; a keycap, which is a square pressing member; a bridge mechanism having a first frame, a second frame, and an extended convex portion disposed on the first frame; the bridging mechanism is the first frame And the cross-shaft of the second frame is pivoted integrally, and the top edge and the bottom edge of the bridging mechanism are respectively pivotally connected between the key cap and the bottom plate, and a bridge type button structure is formed, and the bridge is formed. The mechanism is pivotally connected to the bottom plate through the elongated sliding hole of the horizontal moving piece; when the horizontal moving piece is in a first position, the circular arc-shaped metal elastic piece is supported on the extending convex portion upwardly, so that the mechanism The bridging mechanism is located in a a state; when the horizontal moving piece is linked to another second position, the top arc surface of the circular arc-shaped metal elastic piece and the extending convex portion generate a relative sliding movement, and the moving convex portion is moved to the horizontal movement In the recess of the sheet, the bridging mechanism is lowered to be in a folded state. The lifting type key according to claim 1, wherein the extending convex portion is extended at a central portion of the first frame, and the extending convex portion is vertically connected to the upper layer of the thin film circuit sheet. a position of the point and the lower conduction point; when the keycap is pressed, the extending convex portion presses the top surface of the circular arc-shaped metal elastic piece downward, and the central portion of the circular arc-shaped metal elastic piece is deformed downward by force. The conduction point and the lower conduction point on the inner layer of the thin film circuit are electrically connected to be turned on, thereby outputting a word key conduction signal. The lifting type key according to claim 1, wherein two symmetrical guiding grooves and two pivoting grooves are formed on the bottom surface of the key cap, and the sliding shaft pivots on the two sides of the top edge of the first frame The pivotal shaft of the top edge of the second frame is pivotally connected to the two pivoting slots of the bottom surface of the keycap, and two symmetrical guides are formed on the top surface of the bottom plate. a sliding slot and two pivoting slots, wherein the sliding shafts on the two sides of the bottom edge of the second frame slide in the two guiding slots of the bottom plate, and the pivoting shafts on the two sides of the bottom edge of the first frame are pivotally connected to the bottom plate The second is pivoted into the slot. The lifting type key according to claim 3, wherein a central position of the first frame is provided with a pair of shaft holes, and a central position of the second frame extends outwardly with a pair of pivots, so that the first The two corresponding shaft holes on one frame are pivotally coupled with the two pivots on the second frame. A keyboard comprising: a base; a plurality of lifting type keys, which are attached to the base, the lifting type key system comprises: a bottom plate; a horizontal moving piece, which has a thin film circuit piece and a circle An arc-shaped metal elastic piece, a concave portion and a plurality of long-shaped sliding holes are fixed on the thin film circuit piece, and the inner surface portion of the thin film metal piece corresponding to the thin film circuit piece has an upper portion a conductive point and a lower conduction point, wherein the horizontal moving piece is horizontally movable on the bottom plate; a key cap is a square pressing element; and a bridge mechanism having a first frame and a second a frame and an extended convex portion disposed on the first frame; the bridging mechanism is a pivoting mechanism integrally formed by the intersecting axes of the first frame and the second frame, and the top edge and the bottom edge of the bridging mechanism are respectively The bridge is connected between the keycap and the base to form a bridge type button structure, and the bridge mechanism is pivotally connected to the bottom plate through the elongated sliding hole of the horizontal moving piece; When the horizontal moving piece is in a first position, the circular arc-shaped metal dome is supported on the extending protrusion upwardly, so that the bridging mechanism is in a use state; when the horizontal moving piece is linked to another second position When the arcuate surface of the circular arc-shaped metal dome is relatively slidably moved with the extending protrusion, and the sliding protrusion is slidably received in the recess of the horizontal moving piece, thereby lowering the bridging mechanism A collapsed state. The keyboard of claim 5, wherein the extended protrusion is extended at a central portion of the first frame, and the extended protrusion corresponds to a conduction point and a lower portion of the inner layer of the thin film circuit a position of the conduction point; when the keycap is pressed, the extending convex portion presses the top surface of the circular arc-shaped metal elastic piece downward, and the central portion of the circular-shaped metal elastic piece is deformed downwardly to touch the conduction The conductive circuit has a conduction point and a lower conduction point on the inner layer of the thin film circuit, thereby outputting a word key conduction signal. The keyboard of claim 5, wherein two symmetrical guide slots and two pivot slots are formed on the bottom surface of the keycap, and the sliding shafts on the two sides of the top edge of the first frame are pivotally connected thereto. The pivotal shaft of the bottom edge of the second frame is pivotally connected to the two pivoting slots of the bottom surface of the keycap, and two symmetrical guide slots are formed on the top surface of the bottom plate. The two pivoting slots, the sliding shafts on the two sides of the bottom edge of the second frame slide in the two guide slots of the bottom plate, and the pivots on the two sides of the bottom edge of the first frame are pivotally connected to the two pivots of the bottom plate Inside the slot. The keyboard of claim 7, wherein a central position of the first frame is provided with a pair of shaft holes, and a central position of the second frame extends outwardly with a pair of pivots for the first frame The two corresponding shaft holes are pivotally coupled to the two pivots on the second frame.