CN216161628U

CN216161628U - Touch sounding key and keyboard thereof

Info

Publication number: CN216161628U
Application number: CN202121861757.1U
Authority: CN
Inventors: 陈爱华
Original assignee: Guangdong Ruixun Electronic Technology Co ltd
Current assignee: Guangdong Ruixun Electronic Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-04-01
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a touch sounding key, wherein a press handle is movably embedded in a key seat and can be movably arranged in a bottom plate in a penetrating manner, an elastic piece is sleeved at the bottom of the press handle, a trigger piece capable of triggering an electric element to generate a switch signal is arranged below the press handle, and a limiting part is arranged on the inner wall of the key seat; the side of pressing the handle is equipped with a cavity, install a sound production piece in the cavity, be equipped with in the cavity and hit portion and shovel portion to one side, shovel portion to one side is the wedge structure, form the chute structure between shovel portion to one side and the cavity inside wall, sound production piece comprises fixed part and portion of knocking. This button is through offering a cavity according to the handle lateral wall, and sets up oblique shovel portion and sound production spare in the cavity, is different from traditional setting at the key seat, fully saves space, practices thrift the cost, also need not additionally to set up the upper cover in addition, directly presses the handle just can sound and bring the paragraph and feel, and this money button simple structure is convenient for batch processing production, and market prospect is good.

Description

Touch sounding key and keyboard thereof

Technical Field

The utility model relates to a key device, in particular to a touch sounding key and a keyboard thereof.

Background

The keys are divided into two types according to the structural principle, one type is a contact type switch key, such as a mechanical switch and a conductive rubber type switch lamp; the other is a non-contact switch key, such as an electric key, a magnetic induction key, etc.

The existing keys are generally provided with the sounding inclined shovel part on the key seat in the aspects of pressing sound feedback and pressing paragraph feeling design, and the keys are triggered to feel and generate sound by pressing the key cover, but the design of the inner parts of the keys is not convenient for key assembly, takes time and labor, and is not beneficial to cost saving.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is directed to provide a tactile sounding button with a novel structure and a cost saving.

In order to realize the technical purpose, the scheme of the utility model is as follows: a touch sounding key comprises a bottom plate provided with an electric element and a key seat arranged on the bottom plate;

the key seat is characterized by also comprising a press handle, wherein the press handle is movably embedded in the key seat and can be movably arranged in the bottom plate in a penetrating manner, an elastic piece is sleeved at the bottom of the press handle, a trigger piece capable of triggering the electric element to generate a switching signal is arranged below the press handle, and a limiting part is arranged on the inner wall of the key seat;

the side surface of the press handle is provided with a cavity, a sounding part is installed in the cavity, a struck part and an inclined shovel part are arranged in the cavity, the inclined shovel part is of a wedge-shaped structure, an inclined groove structure is formed between the inclined shovel part and the inner side wall of the cavity, the sounding part comprises a fixing part and a knocking part, the fixing part is fixed in the cavity, one end of the knocking part is connected to the fixing part, the middle section of the knocking part can be abutted against the limiting part, and the other end of the knocking part can be contacted with the struck part;

when the pressing handle is pressed downwards, the limiting part upwards extrudes the middle section of the knocking part to store force, and the inclined shovel part simultaneously extrudes the knocking part to move towards the inclined groove structure; after the inclined shovel part extrudes the knocking part inwards to cross the critical position of the limiting part, the knocking part downwards strikes the struck part to make a sound, and paragraph feeling is generated; after the pressing handle is loosened, the knocking part rises along with the pressing handle, and when the knocking part crosses the critical position of the limiting part, the knocking part resets.

Preferably, a convex column is arranged in the cavity, and the fixing part is a torsion spring structure sleeved on the convex column.

Preferably, the limiting part comprises two clamping grooves, the inclined shovel part is positioned between the two clamping grooves, and at least one clamping groove is of a step structure.

Preferably, the electric element is a light-to-tube assembly arranged on the bottom plate, the light-to-tube assembly consists of an LED lamp and a receiver, the trigger piece is of a grating structure, and when the press handle moves downwards, the trigger piece can be used for switching on and off a light path formed between the LED lamp and the receiver.

Preferably, the electric element is a hall sensor arranged on the bottom plate, the trigger piece is a magnetic piece capable of triggering the hall sensor, and when the pressing handle moves downwards, the hall sensor receives the change of the magnetic flux of the magnetic piece to generate the on-off of an electromagnetic signal.

Preferably, the bottom plate is provided with an LED lamp, and the key base is a light-guiding key base capable of transmitting light.

Preferably, the electrical element is a membrane switch.

The present invention also provides a keyboard, comprising: at least one tactile sound emitting key according to any of the above aspects; and a circuit substrate, wherein at least one key is disposed on the circuit substrate.

The utility model has the beneficial effects that: this button is through offering a cavity according to the handle lateral wall, and sets up oblique shovel portion and sound production spare in the cavity, is different from traditional setting at the key seat, fully saves space, practices thrift the cost, also need not additionally to set up the upper cover in addition, directly presses the handle just can sound and bring the paragraph and feel, and this money button simple structure is convenient for batch processing production, and market prospect is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention with the keybed omitted;

FIG. 3 is a partial schematic view of the present invention with the push handle omitted;

FIG. 4 is a partial enlarged view of the first embodiment of the present invention;

FIG. 5 is a second enlarged view of a portion of the present invention;

fig. 6 is an exploded view of the present invention.

Wherein: 1. a key base; 11. a limiting part; 2. a pressing handle; 21 a cavity; 22; a convex column; 23. a struck portion; 24. an inclined shovel portion; 25. a trigger; 26; a chute structure; 3. an elastic member; 4. A sound producing member; 41. a fixed part; 42. a knocking portion; 5. a base plate; 6. an electrical component; 7. an LED lamp.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific embodiments.

As shown in fig. 1-6, an embodiment of the present invention is a tactile sounding button, comprising: the key base 1, the press handle 2, the elastic piece 3, the sounding piece 4, the bottom plate 5 and the electric element 6 arranged on the bottom plate 5. The press handle 2 is movably nested in the key base 1, the bottom of the press handle 2 is provided with a press shaft, the press shaft can penetrate through a through hole arranged on the bottom plate 5, the press shaft is further sleeved with an elastic piece 3, the elastic piece 3 is preferably a tension spring and used for helping the press key to return after the press shaft is released, and the bottom of the press handle 2 is further provided with a trigger piece 25 capable of triggering the electric element 6 to generate a switch signal.

A cavity 21 is arranged on the side surface of the press handle 2, a sounding part 4 is arranged in the cavity 21, a struck part 23 and an inclined shovel part 24 are arranged in the cavity 21, the inclined shovel part 24 is of a wedge-shaped structure (a triangular slope or an arc slope structure), an inclined groove structure 26 is formed between the inclined shovel part 24 and the inner side wall of the cavity 21, the sounding part 4 comprises a fixing part 41 and a knocking part 42, the fixing part 41 is fixed in the cavity 21, one end of the knocking part 42 is connected to the fixing part 41, the middle section of the knocking part 41 can be abutted to the limiting part 11, and the other end of the knocking part 41 can be contacted with the struck part 23;

when the pressing handle 2 is pressed downwards, the limiting part 11 presses the middle section of the knocking part 42 upwards to store force, and the inclined shovel part 24 simultaneously presses the knocking part 42 to move towards the inclined groove structure; when the inclined shovel part 24 presses the knocking part 42 inwards to cross the critical position of the limiting part 11, the knocking part 42 strikes the impacted part 23 downwards to make a sound, and paragraph feeling is generated; after the pressing handle 2 is released, the knocking portion 42 rises together with the pressing handle 2, and when the knocking portion 42 moves outwards to cross the critical position of the limiting portion 11, the knocking portion 42 is reset. Spacing portion 11 comprises two draw-in grooves, oblique shovel portion 24 is located between two draw-in grooves, and at least one draw-in groove is the stair structure, and when guaranteeing down according to the handle, the draw-in groove can produce ascending reaction force to the portion of strikeing.

The key also has a light-emitting function, the LED lamp is arranged on the bottom plate 5, and the key seat 1 is a light guide key seat 1 capable of transmitting light.

As the first embodiment of this application, electrical component 6 is the optical pair pipe subassembly, the optical pair pipe subassembly comprises LED lamp and receiver, trigger 25 is the grating structure, press handle 2 down, trigger 25 can break-make by the light path that forms between LED lamp 7 and the receiver, the grating structure can be leaded light spare, reflection of light spare, the positional relation between LED lamp 7 and the receiver is adjusted according to the grating structure, this LED lamp 7 can be used as the transmitter and carry out signal induction with the receiver, also can be as light emitting component, make the button have luminous function.

According to the second embodiment of the application, the electric element is a Hall sensor, the trigger piece is a magnetic piece capable of triggering the Hall sensor, and when the pressing handle moves downwards, the Hall sensor receives the change of the magnetic flux of the magnetic piece to generate on-off of an electromagnetic signal.

As the third embodiment of the application, the electrical element is a membrane switch, the elastic piece is a silica gel cap, and when the pressing handle moves downwards, the triggering piece can press and extrude the silica gel cap to trigger the membrane switch, so that a switch signal is generated.

The present key is applicable to a keyboard including at least one key and a circuit substrate on which the key is arranged.

This button is through offering a cavity according to the handle lateral wall, and sets up oblique shovel portion and sound production spare in the cavity, is different from traditional setting at the key seat, fully saves space, practices thrift the cost, also need not additionally to set up the upper cover in addition, directly presses the handle just can sound and bring the paragraph and feel, and this money button simple structure is convenient for batch processing production, and market prospect is good.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all the minor modifications, equivalents and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.

Claims

1. A touch sounding button is characterized in that: comprises a bottom plate provided with an electric element and a key seat arranged on the bottom plate;

2. A tactile sound emitting key according to claim 1, wherein: the cavity is internally provided with a convex column, and the fixing part is a torsion spring structure sleeved on the convex column.

3. A tactile sound emitting key according to claim 1, wherein: the limiting portion is composed of two clamping grooves, the inclined shovel portion is located between the two clamping grooves, and at least one clamping groove is of a step structure.

4. A tactile sound emitting key according to claim 1, wherein: the electric element is a light-to-tube assembly arranged on the bottom plate, the light-to-tube assembly is composed of an LED lamp and a receiver, the trigger piece is of a grating structure, and when the press handle moves downwards, the trigger piece can be used for switching on and off a light path formed between the LED lamp and the receiver.

5. A tactile sound emitting key according to claim 1, wherein: the electric element is a Hall sensor arranged on the bottom plate, the trigger piece is a magnetic piece capable of triggering the Hall sensor, and when the press handle moves downwards, the Hall sensor receives the magnetic flux change of the magnetic piece to generate the on-off of an electromagnetic signal.

6. A tactile sound emitting key according to claim 1, wherein: the LED lamp is installed on the bottom plate, and the key seat is a light guide key seat capable of transmitting light.

7. A tactile sound emitting key according to claim 1, wherein: the electrical element is a membrane switch.

8. A keyboard, comprising: the keyboard includes: at least one touch-activated sound emitting key according to any one of the preceding claims; and a circuit substrate, wherein at least one key is disposed on the circuit substrate.