CN212084886U - Keyboard key structure - Google Patents

Abstract

The application provides a keyboard button structure belongs to the keyboard field. The keyboard key structure comprises a substrate, a key shaft, an elastic reset piece and a cover plate. The substrate is fixedly provided with a key seat. The key shaft is movably inserted into the key seat up and down, and the outer wall of the key shaft is provided with a cover body extending downwards. The elastic reset piece acts between the key shaft and the substrate. The apron is fixed in the top of key seat, is equipped with the hole of wearing out on the apron, and the top of key shaft is worn out from wearing out the hole, is equipped with on the apron to encircle and wears out the hole and upwards extended extension body, and the top of extension body extends to the cover internally. The keyboard key structure of this kind of structure is equipped with the extension body that encircles the exit hole and upwards extend through on the apron, is equipped with downwardly extending's the cover body on the outer wall of key axle, and the top of extension body extends to the cover internally for it is downthehole that the difficult entering of wearing out of external dust has better dustproof effect.

Description

Keyboard key structure

Technical Field

The application relates to the field of keyboards, in particular to a keyboard key structure.

Background

At present, in the key structure, the key shaft is inserted and located in the key seat, and the key shaft passes out from the hole of wearing out of the apron of key seat top, and there is the clearance all the time with the lateral wall that wears out between the hole for the key shaft, and the dust enters into the key seat in the clearance easily, and dustproof effect is poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a keyboard key structure to improve the problem that the dustproof effect of the keyboard key structure is poor.

In a first aspect, an embodiment of the present application provides a keyboard key structure, including a substrate, a key shaft, an elastic reset element, and a cover plate;

the substrate is fixedly provided with a key seat;

the key shaft is movably inserted into the key seat up and down, and a cover body extending downwards is arranged on the outer wall of the key shaft;

the elastic reset piece acts between the key shaft and the substrate;

the cover plate is fixed to the top end of the key seat, a penetrating hole is formed in the cover plate, the top end of the key shaft penetrates out of the penetrating hole, an extending body which surrounds the penetrating hole and extends upwards is arranged on the cover plate, and the top end of the extending body extends into the cover body.

Among the above-mentioned technical scheme, be equipped with on the apron and encircle the extension body that wears out the hole and upwards extend, be equipped with downwardly extending's the cover body on the outer wall of key axle, it is internal that the top of extension body extends to the cover for in the difficult entering of external dust wears out the hole, the keyboard key structure of this kind of structure has better dustproof effect.

In addition, the keyboard key structure of the embodiment of the application also has the following additional technical characteristics:

in some embodiments of the present application, the keyboard key structure further comprises a sound emitting member;

the sounding piece is arranged on the extending body;

when the key shaft moves downwards, the cover body can impact the sounding piece to generate sound.

Among the above-mentioned technical scheme, be equipped with the sound production piece on the extension, when the key shaft is pressed and moves down, the cover body will strike the sound production piece to the sound production has strengthened operator's sense of hearing.

In some embodiments of the present application, the sounding member includes a connecting body and a plurality of elastic parts connected to the connecting body;

the connector is connected with the extension body, the elastic parts are distributed around the extension body at intervals, and the elastic parts are used for the cover body to impact.

Among the above-mentioned technical scheme, the sound production piece includes the connector and connects a plurality of elastic parts on the connector, and when the key shaft moved down, the cover body will strike each elastic part, makes each elastic part take place elastic deformation, makes sound simultaneously. In the process of elastic deformation of each elastic part, an operator can generate damping feeling. The sounding part with the structure enhances the auditory feeling of the operator and simultaneously enhances the tactile feeling of the operator.

In some embodiments of the present application, a clamping groove is formed at a top end of the extension body;

the connecting body is clamped in the clamping groove.

Among the above-mentioned technical scheme, the top of extension body is equipped with the draw-in groove, and the connector card can conveniently realize the dismouting of sound production piece in the draw-in groove.

In some embodiments of the present application, the cross-sections of the extension and the cover are both rectangular;

the connector is provided with four edge parts forming a rectangle, one edge part is correspondingly connected with one elastic part, and one side wall of the extension body is correspondingly provided with one elastic part.

In the technical scheme, the cross sections of the extension body and the cover body are rectangular, so that the forming and manufacturing are facilitated. An elastic part is correspondingly connected to one edge part of the connecting body, one elastic part is correspondingly placed on one side wall of the extending body, and by means of the structure, all the elastic parts can bear down force when the key shaft moves downwards, so that stability of the key shaft in the downward moving process is guaranteed.

In some embodiments of the present application, the elastic portion is a V-shaped structure protruding outward from a sidewall of the extension body.

In the technical scheme, the elastic part is in a V-shaped structure protruding outwards from the side wall of the extension body, and the elastic part of the structure has good deformation and deformation recovery capacity. In the process that the key shaft moves downwards, after the elastic part is subjected to the extrusion force of the cover body, the V-shaped structure of the elastic part is gradually opened, so that an operator can feel strong enough damping feeling.

In some embodiments of the present application, a bottom portion of the key shaft is provided with a trigger portion extending downward;

the substrate is provided with a guide hole for the trigger part to pass through;

the triggering part is used for triggering a contact point on a thin film circuit board at the bottom of the substrate when the key shaft moves downwards.

In the technical scheme, the triggering part on the key shaft triggers the contact point on the thin film circuit board at the bottom of the substrate by penetrating the guide hole on the substrate, so that the whole structure is simple, and the thin film circuit board is convenient to arrange.

In some embodiments of the present application, the elastic restoring member is sleeved outside the triggering portion.

Among the above-mentioned technical scheme, the outside that trigger portion was located to the elasticity piece cover that resets, trigger portion can play the limiting displacement to the elasticity piece that resets, guarantees that elasticity resets and elastically deforms in the direction of confirming. That is, the trigger part not only plays a role of triggering the contact point on the film circuit board, but also plays a role of restricting the elastic restoring member.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a keyboard key structure provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a keyboard key structure provided with a keycap and a thin film circuit board according to an embodiment of the present disclosure;

FIG. 3 is a front view of the keyboard key structure of FIG. 1 with the trigger portion removed from the key shaft;

FIG. 4 is a connection view of a substrate and a key pad in the key structure of the keyboard shown in FIG. 1;

FIG. 5 is a schematic view of a sounding element in the key structure of the keyboard shown in FIG. 1;

fig. 6 is a schematic structural diagram of a keyboard key structure according to another embodiment of the present application.

Icon: 100-keyboard key structure; 10-a substrate; 11-a key pad; 111-strip-shaped through holes; 12-a guide hole; 20-key shaft; 21-a cover body; 22-accommodating grooves; 23-an elastically deformable strip; 231-a limit projection; 24-a trigger; 25-shaft part; 30-an elastic return member; 40-a cover plate; 41-a through hole; 42-an extension; 421-a card slot; 50-a sound producing member; 51-a linker; 511-edge; 52-an elastic portion; 200-a thin film circuit board; 210-a contact point; 300-keycap.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

Examples

The embodiment of the present application provides a keyboard key structure 100, which has a good dustproof effect. The keyboard key structure 100 is explained in detail below with reference to the drawings.

As shown in fig. 1, the keypad key structure 100 includes a base plate 10, a key shaft 20, an elastic restoring member 30, and a cover plate 40.

The substrate 10 is fixedly provided with a key seat 11. The key shaft 20 is inserted into the key base 11 to be movable up and down, and a cover 21 extending downward is provided on an outer wall of the key shaft 20. The elastic restoring member 30 acts between the key shaft 20 and the base plate 10. The cover plate 40 is fixed to the top end of the key base 11, the cover plate 40 is provided with a through hole 41, the top end of the key shaft 20 penetrates out of the through hole 41, the cover plate 40 is provided with an extending body 42 which surrounds the through hole 41 and extends upwards, and the top end of the extending body 42 extends into the cover body 21.

Be equipped with on the apron 40 and encircle the protrusion 41 and upwards extend's extension body 42, be equipped with downwardly extending's cover body 21 on the outer wall of key shaft 20, the top of extension body 42 extends to in the cover body 21 for in external dust is difficult for entering into protrusion 41, the keyboard key structure 100 of this kind of structure has better dustproof effect, simple structure, easily aggregate erection.

The key base 11 is a hollow structure with the upper end and the lower end open, and the cross section of the key base 11 is rectangular. The bottom end of the key pad 11 is fixed to the substrate 10, and the substrate 10 closes the bottom end of the key pad 11. The key pad 11 and the substrate 10 are formed as an integral structure, and in actual molding, the key pad 11 and the substrate 10 are integrally molded.

The key shaft 20 has a rectangular cross section, and the outer peripheral wall of the key shaft 20 is smaller than the inner peripheral wall of the key bed 11. The bottom end of the key shaft 20 is inserted into the key seat 11, and the top end of the key shaft 20 extends out of the key seat 11 under the supporting action of the elastic restoring member 30.

In addition, the cross section of the cover 21 on the key shaft 20 is also a rectangular structure, the top end of the cover 21 is closed, and the bottom end is open.

As shown in fig. 3, the key shaft 20 is provided with a receiving groove 22 penetrating through the inner and outer walls thereof, and the receiving groove 22 penetrates the bottom end of the key shaft 20. Be connected with elastic deformation strip 23 on the groove roof of holding tank 22, elastic deformation strip 23 is located holding tank 22, is equipped with spacing arch 231 on the elastic deformation strip 23, and spacing arch 231 protrusion is outside key shaft 20.

As shown in fig. 4, the key bed 11 is provided with a bar-shaped through hole 111 vertically arranged and penetrating through the inner and outer surface walls thereof.

After the key shaft 20 is assembled with the key base 11, the limiting protrusion 231 of the elastic deformation strip 23 is clamped in the strip-shaped through hole 111 of the key base 11 to achieve the limiting effect, so that the key shaft 20 is not easy to fall off from the key base 11. When the key shaft 20 needs to be disassembled, a large axial upward pulling force can be applied to the key shaft 20, so that the elastic deformation strip 23 is elastically deformed, the limiting bulge 231 is separated from the constraint of the strip-shaped through hole 111 on the key seat 11, and finally the key shaft 20 can be disassembled from the key seat 11.

With continued reference to FIG. 1, the bottom of the key shaft 20 is provided with a downwardly extending trigger 24. The base plate 10 is provided with a guide hole 12 through which the trigger 24 passes. The triggering part 24 serves to trigger the contact point 210 on the thin film circuit board 200 located at the bottom of the substrate 10 when the key shaft 20 is moved downward.

The triggering portion 24 of the key shaft 20 triggers the contact point 210 of the thin film circuit board 200 located at the bottom of the substrate 10 by passing through the guide hole 12 of the substrate 10, and the overall structure is simple, facilitating the arrangement of the thin film circuit board 200.

Illustratively, the trigger 24 is a cylindrical structure, and the trigger 24 is located at the center of the key shaft 20.

In this embodiment, the elastic restoring member 30 is sleeved outside the triggering portion 24. The triggering portion 24 may act as a restriction on the elastic restoring member 30, ensuring that the elastic restoring member 30 is elastically deformed in a certain direction. That is, the triggering portion 24 not only functions to trigger the contact point 210 on the film circuit board 200, but also the triggering portion 24 functions to restrain the elastic restoring member 30.

Illustratively, the elastic restoring member 30 is a spring, the top end of the spring abuts against the key shaft 20, and the bottom end of the spring abuts against the substrate 10.

In addition, a shaft portion 25 extending to the top of the key shaft 20 is provided inside the key shaft 20, the shaft portion 25 has a cross-section, and the shaft portion 25 is used for mounting the key cap 300.

As shown in fig. 2, in actual use, the key top 300 is fitted to the outside of the key shaft 20, and the shaft portion 25 of the key shaft 20 is inserted into the insertion groove at the center of the key top 300. The trigger film circuit board 200 is laid on the bottom of the substrate 10, and the contact points 210 on the trigger film circuit are aligned with the guide holes 12 on the substrate 10. When an operator presses the key cap 300, the key cap 300 drives the key shaft 20 to move downward, the key shaft 20 compresses the elastic restoring member 30, the elastic restoring member 30 accumulates elastic force, and the triggering portion 24 finally presses the contact point 210 of the thin film circuit board 200. When the pressing force on the key cap 300 is removed, the key shaft 20 and the key cap 300 are reset by the elastic reset member 30.

In this embodiment, the cross section of the extension body 42 on the cover plate 40 is rectangular, and the inner wall of the extension body 42 is flush with the hole wall of the through hole 41 on the cover plate 40. It will be appreciated that the extension 42 has four side walls which are connected end to form a rectangular structure. Each side wall of the extension body 42 is parallel to one side wall of the cover 21, and a gap exists between an outer surface wall of each side wall of the extension body 42 and an inner surface wall of a corresponding one of the side walls of the cover 21.

In this embodiment, as shown in fig. 1, the keyboard key structure 100 further includes a sound-generating element 50, and the sound-generating element 50 is disposed on the extending body 42. When the key shaft 20 moves downward, the cover body 21 can hit the sounding member 50 to generate a sound.

In actual operation, when the key shaft 20 is pressed and moved downward, the cover body 21 will strike the sounding member 50, thereby sounding, and enhancing the hearing feeling of the operator.

Alternatively, the sounding member 50 includes a connecting body 51 and a plurality of elastic parts 52 connected to the connecting body 51. The connecting body 51 is connected to the extending body 42, the plurality of elastic parts 52 are distributed around the extending body 42 at intervals, and the plurality of elastic parts 52 are used for being impacted by the cover body 21.

When the key shaft 20 moves downward, the cover 21 hits each elastic portion 52, elastically deforms each elastic portion 52, and generates a sound. During the elastic deformation of each elastic portion 52, the operator can generate a damping feeling. The sounding member 50 of such a structure enhances the operator's tactile sensation while enhancing the operator's auditory sensation.

Furthermore, a locking groove 421 is disposed at the top end of the extension body 42, and the connecting body 51 is locked in the locking groove 421. This structure can easily realize the mounting and dismounting of the sounding member 50.

As shown in fig. 5, the connecting body 51 has four side portions 511 forming a rectangle, one elastic portion 52 is correspondingly connected to one side portion 511, and one elastic portion 52 is correspondingly disposed on one side wall of the extending body 42. This structure enables each elastic portion 52 to receive a downward pressure when the key shaft 20 moves downward, ensuring the stability of the key shaft 20 during the downward movement.

The elastic portion 52 is a V-shaped structure protruding outward from the side wall of the extension body 42. The elastic portion 52 of this structure has excellent deformation and recovery capability. When the elastic part 52 is pressed by the cover 21 during the downward movement of the key shaft 20, the V-shaped structure of the elastic part 52 will gradually expand, so that the operator can feel a sufficiently strong damping feeling.

In addition, since one edge 511 of the connecting body 51 is correspondingly connected with one elastic part 52, one side wall of the extending body 42 is correspondingly provided with one elastic part 52, and the elastic parts 52 are in a V-shaped structure, so that each elastic part 52 can block dust, thereby effectively blocking dust from entering a gap between the extending body 42 and the cover body 21.

In other embodiments of the present application, the sounding element 50 may be disposed at other positions, as shown in fig. 6, the sounding element 50 is fixed on the upper surface of the substrate 10, and the sounding element 50 is a V-shaped elastic sheet. When the key shaft 20 is pressed and moved downward, the bottom of the key shaft 20 hits the sounding member 50, thereby sounding, enhancing the operator's auditory sensation.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. A keyboard key structure, comprising:

the substrate is fixedly provided with a key seat;

the key shaft is movably inserted into the key seat up and down, and a cover body extending downwards is arranged on the outer wall of the key shaft;

the elastic resetting piece acts between the key shaft and the substrate; and

the cover plate is fixed to the top end of the key seat, a penetrating hole is formed in the cover plate, the top end of the key shaft penetrates out of the penetrating hole, an extending body which surrounds the penetrating hole and extends upwards is arranged on the cover plate, and the top end of the extending body extends into the cover body.

2. The keyboard key structure of claim 1, further comprising a sound emitting member;

the sounding piece is arranged on the extending body;

when the key shaft moves downwards, the cover body can impact the sounding piece to generate sound.

3. The keyboard key structure of claim 2, wherein the sounding member includes a connecting body and a plurality of elastic parts connected to the connecting body;

the connector is connected with the extension body, the elastic parts are distributed around the extension body at intervals, and the elastic parts are used for the cover body to impact.

4. The keyboard key structure of claim 3, wherein a slot is formed at the top end of the extension body;

the connecting body is clamped in the clamping groove.

5. The keyboard key structure of claim 3, wherein the cross-sections of the extension body and the cover are both rectangular;

the connector is provided with four edge parts forming a rectangle, one edge part is correspondingly connected with one elastic part, and one side wall of the extension body is correspondingly provided with one elastic part.

6. The keyboard key structure of claim 5, wherein the elastic portion is a V-shaped structure protruding outward from a side wall of the extension body.

7. The keyboard key structure of claim 1, wherein the bottom of the key shaft is provided with a trigger part extending downward;

the substrate is provided with a guide hole for the trigger part to pass through;

the triggering part is used for triggering a contact point on a thin film circuit board at the bottom of the substrate when the key shaft moves downwards.

8. The keyboard key structure of claim 7, wherein the elastic reset member is sleeved outside the triggering portion.

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