CN215834453U

CN215834453U - Antiskid button axis body

Info

Publication number: CN215834453U
Application number: CN202122471905.5U
Authority: CN
Inventors: 汪大明
Original assignee: Huizhou Gateron Electronic Technology Co ltd
Current assignee: Huizhou Gateron Electronic Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-02-15
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses an antiskid key shaft body. The antiskid key shaft body comprises a rubber shell, a base and a key shaft core; the key shaft core is arranged on the rubber shell in a telescopic manner, and the rubber shell is buckled on the base; and an anti-slip pad is arranged between the base and the rubber shell; the non-slip mat is fixedly arranged on the base, the rubber shell is in close contact with the non-slip mat, or the non-slip mat is fixedly arranged on the rubber shell, and the base is in close contact with the non-slip mat. The antiskid pad is arranged between the base and the rubber shell of the antiskid key shaft body, so that the base and the rubber shell can be prevented from slipping and shifting mutually, the key shaft core can keep a directional and accurate pressing stroke in the directional pressing and moving process, the antiskid key shaft body has good use hand feeling, and a trigger circuit can be pressed down highly accurately.

Description

Antiskid button axis body

Technical Field

The utility model relates to the technical field of key shafts, in particular to an anti-skidding key shaft.

Background

In electronic product control devices such as keyboard keys and remote controllers, key shaft bodies have wide application, and corresponding circuits on a circuit board can be triggered by pressing the key shaft bodies corresponding to instructions, so that corresponding instruction operation is performed.

The button axis body is usually including the gluey shell and the base of mutual lock to and directional flexible setting on gluey shell and can supply the directional button axle core of pressing the operation, orders about the button axle core through pressing the button axle core and directional pushing down, can carry out the triggering of corresponding circuit. However, the contact of direct lock is usually between the gluey shell in the current button axis body and the base, because the material of gluing shell and base is the ebonite usually, the contact surface that makes gluey shell and base is smooth contact surface, thereby the condition that relative slip appears easily in the contact between messenger's gluey shell and the base, especially when using external force to press the directional pushing down of button axle core, the mutual displacement of skidding between gluey shell and the base very easily appears, thereby make the directional skew stroke of moving of pushing down of button axle core, external force can't be directional applied, not only influence pressing of button axle core and feel, and the precision of pressing trigger circuit of button axle core is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-skidding key shaft body, which aims to solve the problem that the use hand feeling of the key shaft body and the pressing precision of the key shaft body are influenced due to the fact that the existing key shaft body slips between a rubber shell and a base when in use.

The purpose of the utility model is realized by the following technical scheme.

An antiskid key shaft body comprises a rubber shell, a base and a key shaft core;

the key shaft core is arranged on the rubber shell in a telescopic manner, and the rubber shell is buckled on the base; and an anti-slip pad is arranged between the base and the rubber shell; the non-slip mat is fixedly arranged on the base, the rubber shell is in close contact with the non-slip mat, or the non-slip mat is fixedly arranged on the rubber shell, and the base is in close contact with the non-slip mat.

In a preferred embodiment, a non-slip pad is arranged on one side of the base facing the rubber shell, and one side of the rubber shell facing the base is in close contact with the non-slip pad.

In a preferred embodiment, the non-slip mat is arranged on one side of the base facing the rubber shell, and the non-slip mat is arranged in the non-slip mat fixing groove.

In a more preferred embodiment, the non-slip mat is an injection molded body that is injection molded in the non-slip mat fixing groove.

In a more preferred embodiment, the non-slip mat is fixedly arranged in the non-slip mat fixing groove by embedding.

In a more preferred embodiment, the inner wall of the non-slip mat fixing groove is provided with a concave clamping portion, and the non-slip mat is provided with an anti-falling clamping portion matched with the concave clamping portion.

In a preferred embodiment, the number of the non-slip mats is several; the glue shell can be arranged on the base at least in four corresponding angles, or in two symmetrical two sides.

In a preferred embodiment, a positioning groove is arranged on one side of the base facing the rubber shell, and a positioning column corresponding to the positioning groove is arranged on one side of the key shaft core facing the base; when the key shaft core is pressed down, the positioning column can extend into the positioning groove in an oriented mode.

In a preferred embodiment, in the above anti-slip key shaft, a cavity formed by the rubber casing and the base being fastened together is provided with a spring contact terminal and a fixed contact terminal, and the spring contact terminal and the fixed contact terminal are in a separated state or a contact state under a normal state; when the key shaft core is pressed down, the elastic sheet contact terminal can be caused to generate elastic deformation and is in contact conduction with the fixed contact terminal or separated from the fixed contact terminal;

a return spring is arranged between the base and the key shaft core; one end of the reset spring is in action connection with the key shaft core, and the other end of the reset spring is in action connection with the base.

In a preferred embodiment, the dome contact terminal and the fixed contact terminal are both disposed on the base and both located on the same side along the pressing axis direction of the key shaft core; the elastic sheet contact terminal and the fixed contact terminal are separated under a normal state;

the side surface of the key shaft core, facing the elastic sheet contact terminal, is provided with a convex inclined surface of which the outer diameter gradually changes along the pressing direction, the elastic sheet contact terminal is provided with a bending part which is close to the pressing axial direction and bends downwards, the convex inclined surface is in contact with the bending part, and the bending part is provided with a contact point corresponding to the fixed contact terminal along the direction perpendicular to the pressing axial direction.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the anti-skidding key shaft body, the anti-skidding pad is arranged between the base and the rubber shell, the anti-skidding pad is fixedly arranged on the base or the rubber shell, the other surface of the anti-skidding pad is in close contact with the rubber shell or the base, the base and the rubber shell cannot skid under the anti-skidding action of the anti-skidding pad, and the base and the rubber shell are prevented from slipping and shifting mutually, so that the key shaft core can keep an oriented and accurate pressing stroke in the oriented pressing and moving process, the anti-skidding key shaft body has good use hand feeling, and a trigger circuit can be pressed down highly accurately.

Drawings

FIG. 1 is a schematic view of an overall structure of an anti-slip key shaft according to an embodiment of the present invention;

FIG. 2 is an exploded view of the anti-slip key shaft according to the present invention;

FIG. 3 is a schematic cross-sectional view of an exemplary embodiment of an anti-slip key shaft according to the present invention;

FIG. 4 is a schematic view of the non-slip mat disposed on the base;

FIG. 5 is a schematic structural view of a base;

FIG. 6 is a schematic view of the structure of the non-slip mat;

the attached drawings are marked as follows: 1-rubber shell, 2-base, 201-positioning groove, 202-non-slip mat fixing groove, 203-mounting column, 3-key shaft core, 301-positioning column, 302-convex inclined plane, 4-non-slip mat, 401-anti-slip clamping part, 5-spring contact terminal, 501-bending part, 6-fixed contact terminal and 7-reset spring.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.

In the description of the specific embodiments, it should be noted that the terms "upper" and "lower" are used for indicating the orientations and the positional relationships based on the orientations and the positional relationships shown in the drawings or the orientations and the positional relationships which are usually arranged when the product of the utility model is used, and are used for convenience of distinction and are only used for convenience of description and simplification of description, but do not indicate or imply that the structures or the elements which are indicated must have specific orientations, be constructed in specific orientations and operations, and therefore cannot be understood as limiting the utility model, and are not necessarily understood as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 to 3, the antiskid key shaft of the present invention includes a rubber casing 1, a base 2, and a key shaft core 3.

The rubber shell 1 is buckled on the base 2, a cavity is formed inside the rubber shell 1 and the base 2 which are buckled with each other from top to bottom, the key shaft core 3 is arranged on the rubber shell 1 in a telescopic mode, and the key shaft core 3 can be pressed downwards to move towards the base 2 by pressing the key shaft core 3.

A positioning groove 201 is arranged on one side of the base 2 facing the rubber case 1, and a positioning column 301 corresponding to the positioning groove 201 is arranged on one side of the key shaft core 3 facing the base 2; when the key shaft core 3 is pressed down, the positioning column 301 can be extended into the positioning groove 201 in an oriented manner, so that the key shaft core 3 is pressed down in an oriented manner, and the precision of a pressing trigger circuit is ensured.

In addition, in the antiskid key shaft body, an elastic sheet contact terminal 5 and a fixed contact terminal 6 are arranged in a cavity formed by buckling the rubber shell 1 and the base 2, wherein the elastic sheet contact terminal 5 and the fixed contact terminal 6 are both provided with pins led out from the bottom of the base 2, the pins of the elastic sheet contact terminal 5 and the fixed contact terminal 6 are respectively connected to two ends of a circuit, and the elastic sheet contact terminal 5 and the fixed contact terminal 6 are in a separated state or a contact state under a normal state; when the key shaft core 3 is pressed down by external force, the elastic sheet contact terminal 5 can be caused to generate elastic deformation and is in contact with the fixed contact terminal 6 to be conducted or separated from each other, so that the triggering of the circuit is realized.

In the specific embodiment shown in fig. 2 to 3, the dome contact terminal 5 and the fixed contact terminal 6 are both disposed on the base 2 and both located on the same side along the pressing axis direction of the key shaft core 3.

The shrapnel contact terminal 5 and the fixed contact terminal 6 are separated in a normal state. Moreover, a convex inclined surface 302 with an outer diameter gradually changing along the pressing direction is arranged on the side surface of the key shaft core 3 facing the spring contact terminal 5, specifically, the convex inclined surface with the outer diameter gradually increasing along the pressing direction; the elastic sheet contact terminal 5 is provided with a bending part 501 which is close to the pressing axial direction and bends downwards, the tail end of the bending part 501 is provided with a butting part which is protruded towards the key shaft core 3 and is used for butting against the protruded inclined surface 302, and the bending part 501 is provided with a conducting contact which corresponds to the fixed contact terminal 6 along the pressing axial direction, and the butting part is protruded to be higher than the conducting contact. The convex inclined surface 302 contacts with the abutting part of the curved part 501, and particularly, the abutting part of the curved part 501 contacts with the large-diameter part of the convex inclined surface 302 and forms a pressing action on the curved part 501 in a normal state, so that the conducting contact on the curved part 501 is separated from the fixed contact terminal 6; in the operating state, the diameter of the contact portion of the convex slope 302 with the abutting portion of the bent portion 501 gradually becomes smaller and the conductive contact of the bent portion 501 can gradually approach the fixed contact terminal 6 under elastic deformation.

In this way, in a normal state, the large diameter portion of the protruding inclined surface 302 abuts against the abutting portion on the bent portion 501 of the dome contact terminal 5, and the conductive contact on the bent portion 501 of the dome contact terminal 5 is separated from the fixed contact terminal 6, so that the circuit is disconnected; when the key shaft core 3 is pressed down, the diameter of the part of the convex inclined plane 302 contacting with the bending part 501 is gradually reduced along with the downward movement of the convex inclined plane 302 on the key shaft core 3, and the conducting contact on the bending part 501 is gradually close to the fixed contact terminal 6 under the elastic action of the bending part 501 and is abutted on the fixed contact terminal 6 when the key shaft core 3 is pressed down to a position, so that the elastic sheet contact terminal 5 and the fixed contact terminal 6 are in a contact state, and the circuit conduction triggering is realized.

As shown in fig. 2 to 3, a return spring 7 is provided between the base 2 and the key shaft core 3. One end of the reset spring 7 is operatively connected to the key shaft core 3, and the other end is operatively connected to the base 2; specifically, the return spring 7 is sleeved on the outside of the positioning groove 201 and the positioning column 301, and two ends of the return spring 7 are respectively abutted against the base 2 and the key shaft core 3. When the key shaft core 3 is pressed down to the proper position under external force and the circuit is triggered, the external force is released, and the key shaft core 3 can automatically reset under the elastic action of the reset spring 7, so that the next pressing operation is convenient.

Optionally, in the specific embodiment shown in fig. 1 and fig. 2, the bottom of the base 2 has a mounting post 203 protruding in a direction away from the rubber casing 1, and the mounting post 203 may be an integral extension structure on the base 2. So, when this button axis body used, whole button axis body was installed on the circuit board, and erection column 203 wherein can align and assemble to the mounting hole with the mounting hole location on the circuit board to make whole button axis body stable installation on the circuit board.

In a preferred embodiment, please refer to fig. 2 to 3 again, a non-slip pad 4 is disposed between the base 2 and the rubber casing 1, which can effectively prevent the rubber casing 1 and the base 2 from slipping and shifting with each other, so that the key shaft core 3 can maintain an oriented and precise press stroke during the oriented press movement, has good use hand feeling, and can highly precisely press the trigger circuit.

The anti-slip mat 4 may be a soft mat body with anti-slip patterns or anti-slip effect. Moreover, the number of the non-slip mats 4 is not limited, and can be set to be a plurality according to the actual situation; in an alternative embodiment, the non-slip mat 4 includes at least four that are disposed at four mutually corresponding corners of the base 2 and the rubber case 1, so as to perform anti-slip balancing at least from four corners of the rubber case 1 and the base 2, or includes two that are disposed at two mutually symmetrical sides of the base 1 and the rubber case 2, so as to perform anti-slip balancing from two symmetrical sides of the rubber case 1 and the base 2.

Alternatively, the non-slip mat 4 can be fixedly arranged on the rubber shell 1 or the base 2. The non-slip mat 4 is fixedly arranged on the base 2, the rubber shell 1 is in close contact with the non-slip mat 4, or the non-slip mat 4 is fixedly arranged on the rubber shell 1, and the base 2 is in close contact with the non-slip mat 4. In the specific embodiment shown in fig. 2 to 3, the non-slip mat 4 is disposed on the side of the base 2 facing the rubber casing 1, and the side of the rubber casing 1 facing the base 2 is in close contact with the non-slip mat 4.

Specifically, the base 2 or the rubber shell 1 is provided with a non-slip mat fixing groove, the non-slip mat 4 is matched with the non-slip mat fixing groove, and the non-slip mat 4 is fixedly arranged in the non-slip mat fixing groove. Optionally, but not limited to, the non-slip mat 4 is an injection molded body that is injection molded in the non-slip mat fixing groove, or the non-slip mat 4 is a separate component and is fixedly disposed in the non-slip mat fixing groove by being embedded. In a particularly preferred embodiment shown in fig. 2 to 5, the non-slip mat 4 is fixedly disposed on the base 2, and a non-slip mat fixing groove 202 is formed on the base 2, and the non-slip mat 4 is a separate component and is fixed in the non-slip mat fixing groove 202 by embedding.

Further, the inner wall of the non-slip mat fixing groove is provided with an inward concave clamping portion, and please refer to fig. 6, the non-slip mat 4 is provided with an anti-dropping clamping portion 401 adapted to the inward concave clamping portion, and the non-slip mat 4 can be effectively prevented from dropping from the non-slip mat fixing groove by the clamping action of the anti-dropping clamping portion 401 and the inward concave clamping portion, so as to ensure the stability of the non-slip mat 4.

The above embodiments are merely preferred embodiments of the present invention, and the technical solutions of the present invention are described in further detail, but the above descriptions are exemplary, not exhaustive, and are not limited to the disclosed embodiments, the scope and implementation of the present invention are not limited thereto, and any changes, combinations, deletions, substitutions or modifications that do not depart from the spirit and principle of the present invention are included in the scope of the present invention.

Claims

1. An antiskid key shaft body is characterized by comprising a rubber shell, a base and a key shaft core;

2. The anti-slip key shaft according to claim 1, wherein the anti-slip pad is disposed on a side of the base facing the rubber casing, and a side of the rubber casing facing the base is in close contact with the anti-slip pad.

3. The antiskid key shaft according to claim 1, wherein the base or the rubber casing is provided with an antiskid pad fixing groove, and the antiskid pad is disposed in the antiskid pad fixing groove.

4. The non-slip key shaft according to claim 3, wherein said non-slip pad is an injection molded body that is injection molded into said non-slip pad retaining groove.

5. The anti-slip key shaft according to claim 3, wherein the anti-slip pad is fixedly disposed in the anti-slip pad fixing groove by being embedded.

6. The anti-slip key shaft according to claim 3, wherein the inner wall of the anti-slip pad fixing groove is provided with a concave clamping portion, and the anti-slip pad is provided with an anti-slip clamping portion adapted to the concave clamping portion.

7. The anti-slip key shaft according to claim 1, wherein said anti-slip pads are plural; the glue shell can be arranged on the base at least in four corresponding angles, or in two symmetrical two sides.

8. The antiskid key shaft body of claim 1, wherein a positioning groove is formed on one side of the base facing the rubber casing, and a positioning column corresponding to the positioning groove is formed on one side of the key shaft core facing the base; when the key shaft core is pressed down, the positioning column can extend into the positioning groove in an oriented mode.

9. The antiskid key shaft according to any one of claims 1 to 8, wherein a cavity formed by buckling the rubber casing and the base is provided with a spring contact terminal and a fixed contact terminal, and the spring contact terminal and the fixed contact terminal are in a separated state or a contact state under a normal state; when the key shaft core is pressed down, the elastic sheet contact terminal can be caused to generate elastic deformation and is in contact conduction with the fixed contact terminal or separated from the fixed contact terminal;