CN214378129U

CN214378129U - Sounding type key

Info

Publication number: CN214378129U
Application number: CN202120550104.5U
Authority: CN
Inventors: 陈爱华
Original assignee: Guangdong Ruixun Electronic Technology Co ltd
Current assignee: Guangdong Ruixun Electronic Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-10-08
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a sounding button, which also comprises a sounding trigger piece, wherein the side surface of the sounding trigger piece is provided with a concave groove, the male frame is provided with a connecting lug, and the connecting lug of the male frame is movably embedded in the concave groove of the sounding trigger piece; the key seat is provided with a key, the key is provided with a sounding trigger piece, the upper part of the sounding trigger piece is limited in the limiting cavity of the key, the top of the sounding trigger piece is connected with the limiting cavity through a power storage spring, a stop block higher than the bottom of the key seat is arranged on the key seat relative to the bottom of the sounding trigger piece, and the bottom of the key seat is positioned above the stop block when the key is not pressed; when pressing the button, the sound production trigger piece can strike and make sound after moving away the dog along with balanced scissors frame, and the limit structure between handle and the key seat is pressed in the cooperation, realizes spacing from top to bottom, adopts unique sound production trigger piece, makes it can demonstrate obvious button sound when using.

Description

Sounding type key

Technical Field

The utility model relates to a button device, concretely relates to vocal type button.

Background

Key switches are widely used in electronic products, and there are mechanical contact type and photoelectric switch type keys, in which photoelectric switch type keyboard keys utilize a photoelectric coupling technology, instead of a mechanical contact type structure, which utilizes an optical principle and a photoelectric coupling technology, a light path is formed by a transmitting element and a receiving element, and a light blocking member performs a circuit switch by switching off and on the light path to change a circuit impedance.

The general keys lack hand feeling and sound when pressed, the touch feeling of the keys is not obvious, and other triggering prompts are not provided when pressed.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a vocal type button.

In order to realize the technical purpose, the utility model discloses a scheme is: a sounding type key is used for being matched with an electrical element to output a switch signal, and comprises a key seat positioned on a PCB (printed circuit board), wherein a press handle is arranged on the key seat in a matching manner, a reset elastic piece, a balance shear shank consisting of a male shank and a female shank and a sounding trigger piece are arranged between the key seat and the press handle, a concave groove is formed in the side surface of the sounding trigger piece, a connecting convex block is arranged on the male shank, and the connecting convex block of the male shank is movably embedded in the concave groove of the sounding trigger piece; the key seat is provided with a key, the key is provided with a sounding trigger piece, the upper part of the sounding trigger piece is limited in the limiting cavity of the key, the top of the sounding trigger piece is connected with the limiting cavity through a power storage spring, a stop block higher than the bottom of the key seat is arranged on the key seat relative to the bottom of the sounding trigger piece, and the bottom of the key seat is positioned above the stop block when the key is not pressed;

when the key is pressed, the pressing handle downwards extrudes the force accumulation spring and simultaneously drives the male frame to downwards move to enable the connecting convex block to be far away from the top wall of the concave groove of the sounding trigger part, when the key continues to downwards move, the connecting convex block pushes the side wall of the concave groove to enable the bottom of the sounding trigger part to slide away from the stop block, at the moment, the force accumulation spring downwards ejects the sounding trigger part to enable the top wall of the concave groove to impact the connecting convex block to generate knocking sound, and meanwhile, the sounding trigger part downwards triggers the electric element to generate a switching signal; when the key is loosened, the reset elastic piece drives the male frame to move upwards so as to act on the concave groove through the connecting convex block to reset the sounding trigger piece.

Preferably, the key base is provided with a limiting groove, the stop block is arranged close to the limiting groove, the bottom of the sounding trigger piece is provided with a limiting inclined plane, the limiting inclined plane is positioned above the stop block when the key is not pressed, and when the key is pressed, the bottom of the sounding trigger piece strikes the limiting groove after sliding away from the stop block to generate striking sound.

Preferably, the connecting convex block is of a trapezoidal structure, the long edge of the connecting convex block is matched with the concave groove and is embedded in the concave groove, and the short edge of the connecting convex block is used for enabling the sounding trigger to swing.

Preferably, a limiting column is arranged in a limiting cavity of the pressing handle, the upper end of the power storage spring is connected to the limiting column, a fixing column is arranged at the top end of the sounding trigger, and the lower end of the power storage spring is connected to the fixing column.

Preferably, the press handle and the key seat are provided with positioning holes for pivoting the male frame and the female frame.

Preferably, a light guide column is further arranged between the key base and the press handle, the light guide column is sleeved in the reset elastic piece, and a light emitting LED is arranged at the bottom of the light guide column.

Preferably, the electrical element is a light-to-tube assembly, the light-to-tube assembly is arranged on the PCB in a patch mode, and the bottom of the sounding trigger is provided with a grating piece capable of changing the path of the light-to-tube.

Preferably, the electric element is a Hall switch, the Hall switch patch is arranged on the PCB, and the bottom of the sounding trigger piece is provided with a magnetic piece capable of sensing the Hall switch.

Preferably, the key base is further provided with a key cover, the key cover and the key base form a cavity, and the press handle is located in the middle of the cavity.

The utility model has the advantages that: when the key is pressed, the sounding trigger piece moves away from the stop block along with the balance shear shank and can generate sound by impact, the limit structure between the press handle and the key seat is matched to realize up-and-down limit, and the unique sounding trigger piece is adopted, so that the key can display obvious key sound when in use; use balance scissors frame also to make the button have great elasticity supporting area, the cooperation holds the power spring, no matter presses the any position of button and can not incline and have sufficient process of pressing the equilibrium degree, in addition, this button can also cooperate the electric elements output electrical signal on the PCB board, is fit for using widely.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the push handle of the present invention;

FIG. 4 is a partial enlarged view of the key pad of the present invention;

fig. 5 is a schematic structural view of the male frame of the present invention;

fig. 6 is a schematic structural view of the sound trigger of the present invention;

fig. 7 is a partial enlarged view of the utility model of the combination of the male frame and the sounding trigger.

1, pressing a handle; 101, a limit cavity; 102 a spacing column; 2, a key base; 201, a stop block; 202, limiting grooves; 3, a PCB board; 4, resetting the elastic piece; 5 male frames; 501 connecting the bumps; 6, a female frame; 7, a sounding trigger; 701, limiting an inclined plane; 702 a concave groove; 703 fixing columns; 8, a power storage spring; 9, positioning holes; 10 light guide columns; 11 LED; 12 a light-to-tube assembly; 13 key covers.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-7, the specific embodiment of the present invention is a sounding type key, the key is used to cooperate with an electrical component to output a switching signal, and includes a key base 2 located on a PCB board, the key base 2 is provided with a pressing handle 1, a resetting elastic member 4 and a balance scissor frame composed of a male frame 5 and a female frame 6 are further included between the key base 2 and the pressing handle 1, and further includes a sounding trigger 7, a concave groove 702 is provided on a side surface of the sounding trigger 7, a connecting bump 501 is provided on the male frame 5, and the connecting bump 501 of the male frame 5 is movably embedded in the concave groove 702 of the sounding trigger 7; the key base 2 is provided with a stopper 201 higher than the bottom of the key base 2 relative to the bottom of the sounding trigger 7, and the bottom of the key base 2 is positioned above the stopper 201 when the key is not pressed;

when the key is pressed, the pressing handle 1 downwards presses the force accumulation spring 8 and simultaneously drives the male frame 5 to downwards move to enable the connecting convex block 501 to be far away from the top wall of the concave groove 702 of the sounding trigger piece 7, when the key continues to downwards move, the connecting convex block 501 pushes the side wall of the concave groove 702 to enable the bottom of the sounding trigger piece 7 to slide away from the stop block 201, at the moment, the force accumulation spring 8 downwards ejects the sounding trigger piece 7 to enable the top wall of the concave groove 702 to impact the connecting convex block 501 to generate knocking sound, and meanwhile, the sounding trigger piece 7 downwards triggers the electric element to generate a switching signal; when the key is released, the elastic reset element 4 drives the male frame 5 to move upwards to act on the concave groove 702 through the connecting convex block 501 so as to reset the sounding trigger 7. Preferably, the connecting protrusion 501 is a trapezoid structure, a long side of the connecting protrusion is matched with the concave groove 702 and is embedded in the concave groove 702, and a short side of the connecting protrusion is used for enabling the sounding trigger to swing, so that a space between the connecting protrusion and the concave groove swings.

This application makes the sound production trigger piece and public frame between in the linkage through unique structural design, for making the structure more stable, avoids the sound production trigger piece dislocation, the top of sound production trigger piece is spacing at the spacing intracavity according to the handle, be equipped with a spacing post 102 in the spacing intracavity 101 according to handle 1, hold the upper end of power spring 8 and connect in spacing post 102, the top of sound production trigger piece 7 is equipped with a fixed column 703, hold the lower extreme of power spring 8 and connect in fixed column 703.

The key base 2 is provided with a limiting groove 202, the lower end of the sounding trigger is limited in the limiting groove of the key base, the stop 201 is arranged adjacent to the limiting groove 202, the bottom of the sounding trigger 7 is provided with a limiting inclined plane 701, and the limiting inclined plane 701 is positioned above the stop 201 when the key is not pressed.

In addition, this application still provides a sound production mode, and when the button was pressed, sound production trigger 7 bottom can hit the spacing groove 202 and send the knock sound after sliding away from dog 201. Under this condition, when pressing the button, the sound production triggers between piece and the public frame and also can send twice sound between sound production triggers and the spacing groove in succession short-cut, promotes button sound and experiences.

The balance scissor frame is pivoted on the press handle 1 and the key base 2, the male frame 5 and the female frame 6 are pivoted, the press handle 1 and the key base 2 are provided with positioning holes 9 for pivoting the male frame 5 and the female frame 6, and the positioning holes 9 can be frame pivots and other connecting forms, so that the male frame 5 and the female frame 6 in the balance scissor frame can be connected up and down.

This button still has luminous function, still including a leaded light post 10 between key seat 2 and the handle 1 of pressing, leaded light post 10 cover is equipped with the elastic component 4 that resets, and the bottom of leaded light post 10 is equipped with luminous LED11, can provide the cool light of dazzling for the button use, is suitable for different scenes and uses.

This application is when being used for the photoelectricity button, electrical element is light to pipe subassembly 12, and this light is located on the PCB board to pipe subassembly 12 paster, sound production trigger 7 bottom has the grating spare that can change light to pipe route, and the working method between light to pipe subassembly 12 and the grating spare is for hindering light mode, leaded light mode or reflection mode.

As shown in the figure, the limiting groove 202 is lower than the key seat, holes are formed in two sides of the bottom of the limiting groove 202, the light pair tube assembly patches are arranged on the bottom surface of the key seat and correspond to the positions of the holes, a light path is formed between the light pair tube assemblies, the bottom of the sounding trigger piece moves downwards to change the light path, and an electrical signal is output. In practical applications, the light pipe pair assembly may be attached to the upper surface or the lower surface of the bottom of the key seat, and the positional relationship thereof may also vary according to the variation of the grating member.

When this application is used for the electromagnetism button, electrical component is hall switch, and this hall switch paster is located on the PCB board, sound production trigger 7 bottom has the magnetic part that can respond to with hall switch.

Preferably, the key base 2 is further provided with a key cover 13, the key cover 13 and the key base 2 form a cavity, and the press handle 1 is located in the middle of the cavity.

When the key is pressed, the sounding trigger moves away from the stop block along with the balance shear shank so as to knock the key seat to generate sound, the limit structure between the pressing handle and the key seat is matched to realize the up-and-down limit, and the unique sounding trigger is adopted so that the key can display obvious key sound when in use; use balance scissors frame also to make the button have great elasticity supporting area, the cooperation holds the power spring, no matter presses the any position of button and can not incline and have sufficient process of pressing the equilibrium degree, in addition, this button can also cooperate the electric elements output electrical signal on the PCB board, is fit for using widely.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims

1. The utility model provides a vocal type button, the button is used for cooperating electrical element output switch signal, including being located the key seat on the PCB board, the cooperation is equipped with the handle on the key seat, still including the elastic component that resets and a balance scissors frame of constituteing by public frame and female frame, its characterized in that between key seat and handle: the sound-producing device also comprises a sound-producing trigger piece, wherein a concave groove is formed in the side surface of the sound-producing trigger piece, a connecting convex block is arranged on the male frame, and the connecting convex block of the male frame is movably embedded in the concave groove of the sound-producing trigger piece; the key seat is provided with a key, the key is provided with a sounding trigger piece, the upper part of the sounding trigger piece is limited in the limiting cavity of the key, the top of the sounding trigger piece is connected with the limiting cavity through a power storage spring, a stop block higher than the bottom of the key seat is arranged on the key seat relative to the bottom of the sounding trigger piece, and the bottom of the key seat is positioned above the stop block when the key is not pressed;

2. The audible keypad of claim 1, wherein: the key seat is provided with a limiting groove, the stop block is arranged close to the limiting groove, the bottom of the sounding trigger piece is provided with a limiting inclined plane, and the limiting inclined plane is positioned above the stop block when the key is not pressed.

3. The audible keypad of claim 1, wherein: the connecting convex block is of a trapezoidal structure, the long edge of the connecting convex block is matched with the concave groove and is embedded in the concave groove, and the short edge of the connecting convex block is used for enabling the sounding trigger piece to swing.

4. The audible keypad of claim 1, wherein: the sounding trigger is characterized in that a limiting column is arranged in a limiting cavity of the pressing handle, the upper end of the power storage spring is connected to the limiting column, a fixing column is arranged at the top end of the sounding trigger, and the lower end of the power storage spring is connected to the fixing column.

5. The audible keypad of claim 1, wherein: and the press handle and the key seat are provided with positioning holes for pivotally connecting the male frame and the female frame.

6. The audible keypad of claim 1, wherein: the light guide column is arranged between the key seat and the press handle, the light guide column is sleeved in the reset elastic piece, and the bottom of the light guide column is provided with a light-emitting LED.

7. The audible keypad of claim 1, wherein: the electric element is a light-to-tube assembly, the light-to-tube assembly is arranged on the PCB in a paster mode, and a grating piece capable of changing the path of the light-to-tube is arranged at the bottom of the sounding trigger piece.

8. The audible keypad of claim 1, wherein: the electric element is a Hall switch, the Hall switch patch is arranged on the PCB, and the bottom of the sounding trigger piece is provided with a magnetic piece capable of sensing with the Hall switch.

9. The audible keypad of claim 1, wherein: the key seat is also provided with a key cover, the key cover and the key seat form a cavity, and the pressing handle is positioned in the middle of the cavity.