TWM626805U - Micro-motion balance ultrathin key assembly - Google Patents

Abstract

The present invention discloses a micro-balanced ultra-thin key assembly. The base plate is provided with electrical components for generating switching signals, and between the base plate and the keycap, a micro-motion unit and a balance scissors composed of a male frame and a female frame are further included. The micro-moving unit is located in the hollow part of the balance scissors frame, and has a structural member for triggering an electrical element to generate a switch signal, the micro-moving unit also has a pressing area, and the pressing area is in contact with the bottom of the key cap; The balanced scissor frame goes down and the structural member of the micro-motion unit triggers the electrical component to generate a switch signal through the pressing area. Through rational use of space, the micro-moving reed and the balance scissor holder are assembled in the ultra-thin key, and the switch signal can be output by pressing any position of the key cap when the surface area of the key cap is large, and the micro-reed can also bring short In terms of pressing feel, the micro-balanced ultra-thin button assembly of this creation has the advantages of good feel and sensitivity, and the appearance is ultra-thin, which is suitable for use in notebook computers.

Description

Micro-balanced ultra-thin key assembly

The invention relates to a key device, in particular to a micro-balanced ultra-thin key assembly.

Keyboard is an instruction and data input device used to operate equipment, and also refers to a group of function keys (such as typewriters, computer keyboards) that are arranged to operate a machine or equipment through the system. The keyboard mainly consists of keys.

The existing notebook keys are generally developing towards ultra-thin, and silicone keys are generally used. The silicone keys are made of silicone with different travel distances according to the required pressing force. When a short travel feel is required, the silicone keys have certain limitations. Sex, unable to break through the limit, to be thinner and lighter. Therefore, this creation is mainly used to solve the above problems, reasonably arrange the switch positions, and make the key components ultra-thin.

In view of the above problems, this creation aims to provide a micro-balanced ultra-thin key assembly with a reasonable structure and good feel.

In order to achieve the technical purpose, the proposal of this creation is: a micro-balanced ultra-thin key assembly, including a base plate and a key cap, the base plate is provided with an electrical component that generates a switch signal, and a micro-motion unit is also included between the base plate and the key cap. , and a balanced scissor frame composed of a male frame and a female frame; the micro-moving unit is located in the hollow part of the balanced scissors frame, and has a structure for triggering electrical components to generate signals, and the micro-moving unit also has a pressing area, the pressing area Contact with the bottom of the key cap; when the key cap is pressed, the balance scissors frame goes down and the structural member of the micro-motion unit triggers the electrical component to generate a signal through the pressing area; when the key cap is released, the elastic reset of the micro-motion unit causes the structural member to leave the electrical component, and By pressing the area, the keycap and the balance scissor holder are reset together.

In one embodiment, the micro-movement unit includes a micro-movement reed, a reed seat, and a structural member, the structural member is assembled on the micro-movement reed, and the reed seat is assembled on the bottom plate; the structural member includes a signal trigger portion and pressing area.

In one embodiment, the movable end of the micro-reed reed has a bent portion, the reed seat is provided with a limit slot corresponding to the bent portion, and the bent portion is assembled in the limit slot to provide a correct response to the micro-reed spring. The movable end limit of the film.

In one embodiment, the structural member is provided with a positioning post, the structural member is assembled on the micro-movement reed through the positioning post, and the reed seat is provided with an escape hole corresponding to the positioning post.

In one embodiment, the keycap is provided with a male frame slot for pivoting the male frame and a female frame slot for pivoting the female frame; the bottom plate is provided with a male frame hook for connecting the male frame and the main frame hook for connecting the main frame.

In one embodiment, the electrical element is a light pair tube with an optical path composed of a light-emitting element and a light-receiving element, and the signal triggering part is a grating structure.

In one embodiment, the grating structure is a light blocking member, a light guiding member or a light reflecting member.

In one embodiment, the electrical element is a Hall sensor, and the signal triggering part is a magnetic element having a Hall sensor for triggering.

In one embodiment, the bottom plate is a PCB board, and the chip on the bottom plate is provided with an FCU driving chip LED.

In one embodiment, the pressing area is a soft rubber structure disposed on the structural member and facing the direction of the keycap.

The beneficial effects of this creation are: rational use of space, so that the micro-movement reed and the balance scissor frame are assembled in the micro-balanced ultra-thin key assembly, and the switch signal can be output by pressing any position of the key cap when the surface area of the key cap is large, and The micro-movement reed can also bring a short pressing feel. The micro-balanced ultra-thin button assembly of this creation has the advantages of good hand feeling and sensitivity, and the appearance is ultra-thin, which is suitable for use in notebook computers.

The present creation will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1-6, the specific embodiment described in this creation is a micro-balanced ultra-thin key assembly, including a base plate 1 and a key cap 2, the base plate 1 is mounted with electrical components that generate switching signals, and the base plate 1 A micro-movement unit 4 is also included between the keycap 2 and a balance scissors frame 3 composed of a male frame 32 and a female frame 31. The balance scissors frame 3 can make the keycap 2 go straight up and down when pressing any position of the keycap 2. , press to balance.

The micro-motion unit 4 is located in the hollow part of the balance scissor frame 3, and has a structural member 43 for triggering an electrical element to generate a switch signal. The micro-motion unit 4 also has a pressing area 432, which is in contact with the bottom of the keycap 2; the micro-motion unit 4 plays the role of restoring the keycap 2, causing the feel and generating the switch signal. When the key cap 2 is pressed, the balance scissors frame 3 goes down and the structural member 43 of the micro-motion unit 4 triggers the electrical element to generate a switch signal through the pressing area 432; components, and by pressing the area 432, the keycap 2 and the balance scissor frame 3 are reset together.

In the specific embodiment of the present invention, the micro-movement unit 4 includes a micro-movement reed 41, a reed seat 42 and a structural member 43, the structural member 43 is assembled on the micro-movement reed 41, and the reed seat 42 is assembled on the micro-reed spring Sheet 41 below. The fretting reed 41 is a reed type fretting reed, the structural member 43 is assembled on the fretting reed 41, and the reed seat 42 is assembled on the base plate 1;

The structural member 43 includes a signal triggering portion 431 and a pressing area 432; when the keycap 2 is pressed, the pressing area 432 drives the assembled micro-reeds 41 to press down, and the reed seat 42 is also provided with a signal triggering portion 431. Through the through holes, the signal triggering part 431 can turn on and off the electrical components and output switching signals. The pressing area 432 is a soft rubber structure disposed on the structural member 43 and facing the direction of the keycap 2, preferably an arc-shaped soft rubber structure, which reduces the wear between the keycap 2 and the pressing area 432 and prolongs the micro-balanced ultra-thin button. Component service life.

The installation relationship between the reed seat 42 and the micro-moving reed 41 is as follows: the movable end of the micro-moving reed 41 has a bent portion 411 , and the reed seat 42 is provided with a limit corresponding to the bent portion 411 Slot 421, the bending part 411 is assembled in the limit slot 421 to limit the movable end of the micro-movement reed 41, this connection method can lower the upper limit of the bracket, and the bracket is placed under the micro-reed reed 41, so that the product To make it thinner, the static ends of the micro-moving reeds 41 are installed together through through holes corresponding to the protruding posts on the reed seat 42 . The micro-balanced ultra-thin key assembly using the micro-movement reed 41 can reach a minimum thickness of 0.5 mm, which greatly reduces the thickness of the existing key assembly.

The installation relationship between the structural member 43 and the micro-movement reed 41 is as follows: the structural member 43 is provided with a positioning post 433 , and the structural member 43 is assembled on the micro-moving reed 41 through the positioning post 433 . The seat 42 is provided with a hollow hole 422 corresponding to the positioning column 433 . In order to make the positioning column 433 easy to process and assemble, the positioning column 433 is preferably designed to protrude from the through hole on the micro-movement reed 41, so the reed seat 42 is provided with a hollow hole 422 corresponding to the positioning column 433, so that the positioning After the post 433 is assembled with the micro-reed 41, it will not hit the base plate 1 or the reed seat 42 when the keycap 2 is pressed.

The balanced scissor frame 3 of the present creation is installed between the keycap 2 and the bottom plate 1. Specifically, the male frame 32 is movably connected to the frame of the female frame 31 through the connecting end, and the two ends of the male frame 32 are provided with connecting ends. The female frame 31 is provided with a corresponding installation groove, and the connecting end can be rotated in the installation groove, so that the male frame 32 and the female frame 31 form a stable and balanced balanced scissors frame 3 structure, and the male frame 32 and the female frame 31 are in the lowest point. parallel state. The key cap 2 is provided with a male frame slot 22 and a female frame slot 21, and a corresponding connecting shaft is provided on one side of the male frame 32 and the female frame 31, so that the male frame 32 and one side of the female frame 31 are pivoted. On the keycap 2; the bottom plate 1 is provided with a male frame hook 12 and a female frame hook 11, and a corresponding matching hole is provided on the other side of the male frame 32 and the female frame 31, so that the bottom of the male frame 32 and the female frame 31 is provided. attached to the hook. The balance scissor holder 3 has a short stroke and is sensitive to pressing. The balance scissor holder 3 of this creation fits the structural design of the ultra-thin keycap 2, and the user experience is better.

When the electrical element is the light-to-tube 5 with an optical path composed of a light-emitting element and a light-receiving element, the signal trigger part 431 is a grating structure, and the grating structure is a light-blocking member, a light-guiding member, or a light-reflecting member, and the light-to-tube The positions of the light-emitting element and the light-receiving element in 5 are adjusted according to the corresponding grating structure. For example, when the grating structure is a reflective element, the light-emitting element and the light-receiving element are set up on the same side. When the structural member 43 goes down, the light emitted by the light-emitting element passes through the structural member 43. reflected to the light-receiving element.

When the electrical element is a Hall sensor, the signal triggering portion 431 is a magnetic member that triggers the Hall sensor. When the structural member 43 goes down, the Hall sensor receives the change of the magnetic flux of the magnetic member to generate the on-off of the electromagnetic signal.

During implementation, the base plate 1 of the present invention is a PCB board, and the FCU driving chip LED6 is provided on the base plate 1 (PCB board), so that the keys have a light-emitting function, and the applicability is stronger.

The present invention is a micro-balanced ultra-thin key assembly. By rationally utilizing the space, the micro-reed 41 and the balance scissor frame 3 are assembled in the ultra-thin key cap 2. When the surface area of the key cap 2 is large, press the key cap 2 arbitrarily. The position can also output the switch signal, and the micro-movement reed 41 can also bring a short pressing feel. The micro-balanced ultra-thin button assembly of this creation has the advantages of good hand feeling and sensitivity, and the appearance is ultra-thin, which is suitable for notebook computers.

The above are only preferred embodiments of this creation, and are not intended to limit this creation. Any minor modifications, equal replacements and improvements made to the above embodiments according to the technical essence of this creation shall be included in this creation technology. within the scope of the program.

1: Bottom plate 11: Mother frame hook 12: Male frame hook 2: keycap 21: Mother frame slot 22: Male frame slot 3: Balance scissor holder 31: Mother frame 32: public frame 4: Micro-motion unit 41: Micro reed 411: Bending part 42: Reed seat 421: Limit slot 422: Escape hole 43: Structural parts 431: Signal trigger part 432: Press area 433: Positioning post 5: Light to tube 6: LED

Fig. 1 is the structural representation of this creation; Figure 2 is an exploded view of the creative micro-motion unit; Fig. 3 is the structural schematic diagram of the micro-movement unit for this creation; Figure 4 is a schematic diagram of the internal partial structure of this creation; Fig. 5 is the structural representation of this creation keycap; FIG. 6 is a schematic diagram of the structure of the creative base plate.

411: Bending part

421: Limit slot

422: Escape hole

43: Structural parts

431: Signal trigger part

432: Press area

Claims (10)

A micro-balanced ultra-thin key assembly, comprising a base plate and a key cap, the base plate is provided with an electrical component that generates a switch signal, and is characterized in that: between the base plate and the key cap, a micro-motion unit and a A balanced scissor frame composed of a male frame and a female frame; the micro-moving unit is located in the hollow part of the balanced scissors frame, and has a structural member for triggering the electrical element to generate the switch signal, and the micro-moving unit also has a Pressing area, the pressing area is in contact with the bottom of the keycap; when the keycap is pressed, the balance scissors frame is descended, and the structural member of the micro-motion unit triggers the electrical component through the pressing area The switch signal is generated; when the key cap is released, the micro-motion unit is elastically reset to make the structural member leave the electrical element, and the key cap and the balance scissor frame are combined together through the pressing area Upstream reset. The micro-balanced ultra-thin key assembly according to claim 1, wherein the micro-motion unit comprises a micro-motion reed, a reed seat and the structural member, the structural member is assembled on the micro-motion reed, and the reed seat is assembled on the base plate; the structural member includes a signal trigger part and the pressing area. The micro-balanced ultra-thin key assembly according to claim 2, wherein the movable end of the micro-movement reed has a bent portion, the reed seat is provided with a limit groove corresponding to the bent portion, and the bent portion is provided with a limit groove. The movable end of the micro-movement spring is limited by being assembled in the limiting groove. The micro-balanced ultra-thin button assembly according to claim 2, wherein a positioning post is provided on the structural member, the structural member is assembled on the micro-movement reed through the positioning post, and the reed seat is provided with a positioning post. Evacuation holes corresponding to the positioning posts. The micro-balanced ultra-thin key assembly according to claim 1, wherein the key cap is provided with a male frame slot for pivoting the male frame and a female frame slot for pivoting the female frame; The bottom plate is provided with a male frame hook for connecting the male frame and a female frame hook for connecting the female frame. The micro-balanced ultra-thin key assembly according to any one of claims 2 to 4, wherein the electrical element is a light pair tube with an optical path composed of a light-emitting element and a light-receiving element, and the signal trigger part is a grating structure. The micro-balanced ultra-thin key assembly according to claim 6, wherein the grating structure is a light-blocking member, a light-guiding member, or a light-reflecting member. The micro-balanced ultra-thin key assembly according to any one of claims 2 to 4, wherein the electrical element is a Hall sensor, and the signal triggering part is a magnetic element having a Hall sensor for triggering. The micro-balanced ultra-thin key assembly according to any one of Claims 1 to 5, wherein the base plate is a PCB board, and a FCU driving chip LED is provided on the base plate. The micro-balanced ultra-thin key assembly according to any one of claims 1 to 5, wherein the pressing area is a soft rubber structure disposed on the structural member and facing the keycap direction.

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