CN215266010U

CN215266010U - Magnetic suction key

Info

Publication number: CN215266010U
Application number: CN202121253057.4U
Authority: CN
Inventors: 向金成
Original assignee: Huizhou Jiaze Hardware And Plastic Products Co ltd
Current assignee: Huizhou Jiaze Precision Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-21
Anticipated expiration: 2031-06-04

Abstract

The utility model provides a magnetic suction button which is used for being installed on a metal shell of a mobile terminal and comprises a button body and a magnetic suction piece; the key body comprises a mounting substrate connected with the metal shell, and a key shaft and a key shell which are respectively arranged on the inner side and the outer side of the mounting substrate, wherein the key shaft slides along with the key shell; the periphery of the key shell is provided with a limit ring table which is used for being matched with the inner surface of the metal shell to limit the reset stroke of the key shell, and the limit ring table is connected with the outer side of the mounting substrate through an elastic connector; the magnetic part is arranged on the limit ring table, and when the magnetic part moves along with the key shell, the magnetic part is attracted to or separated from the inner surface of the metal shell. When the key shell is pressed down, the magnetic part is separated from the metal shell and generates sound to form key hand feeling; when the key shell resets, the magnetic attraction connecting structure of the magnetic attraction piece and the metal shell solves the problems that in the prior art, the reset driving force of the key shell is insufficient and the key shell clamping groove is not formed, and the influence on the use of the key shell is avoided.

Description

Magnetic suction key

Technical Field

The utility model belongs to the technical field of mobile terminal, especially, relate to a button is inhaled to magnetism.

Background

The volume key and the power key are commonly used keys on the mobile terminal, and are generally arranged on a metal shell of the mobile terminal, namely, a plurality of key pressing slots are formed in the metal shell, part of the key pressing slots are used for installing the volume key, and the other part of the key pressing slots are used for installing the power key. In practical application, the key shaft is contacted with the cathode elastic sheet and is driven by the anode elastic sheet and the cathode elastic sheet to form a circuit for conduction through pressing the key, when acting force is not applied to the key any more, the key is driven to reset through the elastic performance of the anode elastic sheet and/or the cathode elastic sheet, but the existing key structure has the following problems: 1. the structure is difficult to realize accurate resetting of the key, so that the key is easily clamped in the key pressing groove, and subsequent use of the key is influenced; 2. due to the attenuation of the elastic performance of the positive elastic sheet and/or the negative elastic sheet, the reset resilience force of the key is insufficient, so that the reset stroke of the key is insufficient, and the next pressing of the key is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a button is inhaled to magnetism aims at solving the technical problem that the button performance of resetting is unstable among the prior art and the precision that resets is poor.

In order to achieve the above object, an embodiment of the present invention provides a pair of magnetic attraction button, which is used for being installed on a metal casing of a mobile terminal, and the magnetic attraction button comprises:

the key body comprises a mounting substrate connected with the metal shell, and a key shaft and a key shell which are respectively arranged on the inner side and the outer side of the mounting substrate, wherein the key shaft slides along with the key shell; the periphery of the key shell is provided with a limit ring table which is used for being matched with the inner surface of the metal shell to limit the reset stroke of the key shell, and the limit ring table is connected with the outer side of the mounting substrate through an elastic connector;

and the magnetic suction piece is arranged on the limit ring table, and when the magnetic suction piece moves along with the key shell, the magnetic suction piece is attracted with or separated from the inner surface of the metal shell.

Optionally, the limit ring platform is embedded with one magnetic piece.

Optionally, the limit ring platform is embedded with at least two magnetic attracting pieces, and the at least two magnetic attracting pieces are sequentially arranged along the clockwise or anticlockwise direction of the limit ring platform.

Optionally, the key shaft is an elastic cylinder, one end of the elastic cylinder is fixedly connected with the inner end of the key casing, and the other end of the elastic cylinder is a pressing end arranged on the inner side of the mounting substrate.

Optionally, a cavity is formed in one surface of the key shell, which is close to the mounting substrate, and one end of the key shaft is mounted on the inner surface of the cavity; the elastic connecting body is provided with an exhaust hole communicated with the inner cavity.

Optionally, the elastic connector is an elastic rubber ring, and two sides of the elastic rubber ring are respectively connected with the limit ring table and the mounting substrate.

Optionally, the mounting substrate is provided with a fool-proof structure.

Optionally, the fool-proof structure is a fool-proof groove formed in the mounting substrate; and/or the fool-proof structure is a fool-proof bump arranged on the mounting substrate.

Optionally, the mounting substrate is provided with a fixing structure for connection with the metal housing.

Optionally, the outer end of the key casing is provided with a key identifier.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the button are inhaled to magnetism has one of following technological effect at least: the elastic connecting body has elastic deformation performance, when the key shell is pressed, the elastic connecting body is pressed to deform, meanwhile, the magnetic suction piece is separated from the metal shell and makes a sound to form key hand feeling, the key shaft moves along with the key shell, and a positive elastic sheet and a negative elastic sheet in the mobile terminal are contacted to form circuit conduction, so that key input is realized; when no longer exerting the effort to the key shell, this moment through anodal shell fragment and/or negative pole shell fragment, and elastic connector produces the resilience force drive key shell that resets and resets, inhale piece and the actuation of metal casing internal surface and send out the sound until magnetism, form the button and feel, if anodal shell fragment and/or negative pole shell fragment appear at this in-process, and the not enough condition of resilience force that resets that elastic connector produced, then when the key shell resets to predetermineeing the position, inhale the magnetic attraction that piece and metal casing produced through magnetism and reset with the supplementary key shell, in order to guarantee the follow-up use of key shell, if in addition when the draw-in groove phenomenon appears in the key shell, inhale the magnetic attraction that piece and metal casing produced through magnetism and correct the position according to the key shell, so that the key shell can reset to predetermineeing on the position, in order to avoid using next time to the key shell and cause the influence.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a top view of the magnetic attraction button provided in the embodiment of the present invention.

Fig. 2 is a right side view of the magnetic attraction button provided by the embodiment of the present invention.

Fig. 3 is a right side view of the embodiment of the present invention, which is applied to a mobile terminal.

Wherein, in the figures, the respective reference numerals:

100-mounting a substrate, 110-fool-proof grooves, 120-key marks and 130-fixing holes;

200-key axis, 210-press end;

300-key shell, 310-limit ring table, 320-cavity;

400-elastic connector, 410-vent hole;

500-magnetic attraction piece;

600-metal housing.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; 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 embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, the magnetic button of the present invention is shown, and the magnetic button casing 300 can be a volume key or a power key applied to a mobile terminal (e.g., a mobile phone, a tablet, a game machine).

In an embodiment of the present invention, as shown in fig. 1 to 3, the magnetic button is used for being mounted on a metal casing 600 of the mobile terminal, and the magnetic button includes a button casing 300 and a magnetic element 500; the key body comprises a mounting substrate 100 connected with the metal shell 600, and a key shaft 200 and a key shell 300 which are respectively arranged on the inner side and the outer side of the mounting substrate 100, wherein the key shaft 200 slides along with the key shell 300; the periphery of the key casing 300 is provided with a limit ring table 310 for matching with the inner surface of the metal casing 600 to limit the reset stroke of the key casing 300, and the limit ring table 310 is connected with the outer side of the mounting substrate 100 through an elastic connector 400; the magnetic attraction piece 500 is installed on the limit ring table 310, and when the magnetic attraction piece 500 moves along with the key case 300, the magnetic attraction piece 500 is attracted to or separated from the inner surface of the metal casing 600.

By utilizing the elastic deformation performance of the elastic connecting body 400, when the key shell 300 is pressed, the elastic connecting body 400 is pressed to deform, meanwhile, the magnetic attraction piece 500 is separated from the metal shell 600 and makes a sound to form the hand feeling of the key, the key shaft 200 moves along with the key shell 300, so that the positive elastic piece and the negative elastic piece inside the mobile terminal are contacted to form circuit conduction, and the input of the key is realized; when acting force is not applied to the key shell 300 any more, the restoring resilience force is generated by the positive elastic sheet and/or the negative elastic sheet and the elastic connecting body 400 to drive the key shell 300 to restore until the magnetic attraction piece 500 is attracted to the inner surface of the metal shell 600 and makes a sound to form the hand feeling of the key, if the restoring resilience generated by the positive electrode elastic sheet and/or the negative electrode elastic sheet and the elastic connector 400 is insufficient in the process, when the key casing 300 is reset to the predetermined position, the magnetic attraction force generated by the magnetic attraction member 500 and the metal casing 600 assists the reset of the key casing 300, to ensure the subsequent use of the key casing 300, and if the key casing 300 has a slot phenomenon, the magnetic attraction force generated by the magnetic attraction piece 500 and the metal casing 600 corrects the position of the key casing 300, so that the key housing 300 can be reset to a predetermined position to avoid affecting the next use of the key housing 300.

In one embodiment, the retainer ring stage 310 is embedded with one of the magnetic elements 500. Therefore, the magnetic surface of the installed magnetic part 500 is flush with the outer surface of the limit ring table 310, and when the magnetic part 500 is attracted to the inner surface of the metal shell, the outer surface of the limit ring table 310 is attached to the inner surface of the metal shell 600, so as to reduce the occupied space during attraction connection.

In one embodiment, at least two magnetic attracting elements 500 are embedded in the stop ring table 310, and the at least two magnetic attracting elements 500 are sequentially disposed along the clockwise or counterclockwise direction of the stop ring table 310. Therefore, the limiting ring table 310 can be magnetically attracted and fixed with the metal shell 600 in all directions, and the use stability of the key is guaranteed.

In one embodiment, the key shaft 200 is an elastic cylinder, one end of which is fixedly connected to the inner end of the key casing 300, and the other end of which is a pressing end 210 disposed inside the mounting substrate 100.

Preferably, the elastic cylinder is made of a soft rubber material, so that the function of the pressing end 210 of the elastic cylinder can be realized while the elastic cylinder has good elastic deformation performance; when key shell 300 pressurized, the elastic cylinder removes along with key shell 300, until pressing on the elastic colloid end 210 drive the inside anodal shell fragment of mobile terminal and negative pole shell fragment contact formation circuit switch on, press the in-process of end 210 and input element contact this moment, the elastic cylinder can be pressed and form the energy storage, when no longer exerting the effort to key shell 300, energy storage drive through the elastic cylinder resets key shell 300, further provide the resilience force that resets for key shell 300 like this, so that can stably reset according to key shell 300.

In one embodiment, a cavity 320 is formed on a surface of the key housing 300 close to the mounting substrate 100, and one end of the key shaft 200 is mounted on an inner surface of the cavity 320; the elastic connecting body 400 is opened with an air vent 410 communicating with the cavity 320. When the key housing 300 is pressed, the elastic connecting body 400 is pressed by the key housing 300 to form compression, and at this time, the air inside the cavity 320 is pressed and exhausted from the exhaust hole 410, so that the elastic connecting body 400 is compressed and deformed, and the phenomenon that the pressing end 210 of the elastic connecting body 400 cannot realize key input due to insufficient compression deformation degree of the elastic connecting body 400 is avoided.

In one embodiment, the elastic connection body 400 is an elastic rubber ring, and two sides of the elastic rubber ring are respectively connected to the limit ring stage 310 and the mounting substrate 100. The elastic rubber ring has elastic performance, and when pressing down according to key shell 300, the elastic rubber ring is pressed and stored energy, when no longer exerting the effort to according to key shell 300, the energy storage drive through the elastic rubber ring resets according to key shell 300.

In one embodiment, the mounting substrate 100 is provided with a fool-proof structure. The fool-proof structure has a fool-proof function to prevent the mounting substrate 100 from being mounted in a misplaced manner.

In one embodiment, the fool-proof structure is a fool-proof groove 110 opened in the mounting substrate 100; and/or the fool-proof structure is a fool-proof bump provided on the mounting substrate 100. Specifically, the fool-proof groove 110 is a fool-proof notch formed in the mounting substrate 100, so that the mounting substrate 100 has a fool-proof function and reduces the mounting space occupied by the mounting substrate 100; the difference from the fool-proof groove 110 is that the fool-proof protrusion ensures the structural stability of the mounting substrate 100 and simultaneously provides the mounting substrate 100 with the fool-proof function.

In one embodiment, the mounting substrate 100 is provided with a fixing structure for connection with the metal case 600. Specifically, the fixing structure may be a fixing hole 130 formed in the mounting substrate 100, and is connected and fixed with the metal casing 600 by a screw connection; in addition, the fixing structure may also be a snap structure, an insertion structure, or a magnetic structure, which is not limited herein.

In one embodiment, the outer end of the key housing 300 is provided with a key label 120. The key identifier 120 may be printed on a side of the key case 300 away from the mounting substrate 100, or an opening may be formed in a side of the key case 300 away from the mounting substrate 100 according to an outline of the key identifier 120, or a portion of the key case 300 away from the mounting substrate 100 may be lifted to form the key identifier 120, where a specific arrangement form of the key identifier 120 is not limited.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Magnetism is inhaled the button for install to mobile terminal's metal casing on, its characterized in that: the button is inhaled to magnetism includes:

the key body comprises a mounting substrate, a key shaft and a key shell, wherein the mounting substrate is used for being connected with the metal shell, and the key shaft and the key shell are respectively arranged on the inner side and the outer side of the mounting substrate; the periphery of the key shell is provided with a limit ring table which is used for being matched with the inner surface of the metal shell to limit the reset stroke of the key shell, and the limit ring table is connected with the outer side of the mounting substrate through an elastic connector;

and the magnetic attraction piece is arranged on the limit ring table, and when the magnetic attraction piece moves along with the key shell, the magnetic attraction piece is attracted with or separated from the inner surface of the metal shell.

2. The magnetically attracted key of claim 1, wherein: the limit ring platform is embedded with one magnetic piece.

3. The magnetically attracted key of claim 1, wherein: the limiting ring platform is embedded with at least two magnetic attracting pieces, and the at least two magnetic attracting pieces are sequentially arranged along the clockwise or anticlockwise direction of the limiting ring platform.

4. A magnetically attracted key as claimed in any one of claims 1 to 3 in which: the key shaft is an elastic cylinder, one end of the elastic cylinder is fixedly connected with the inner end of the key shell, and the other end of the elastic cylinder is a pressing end arranged on the inner side of the mounting substrate.

5. A magnetically attracted key as claimed in any one of claims 1 to 3 in which: one surface of the key shell, which is close to the mounting substrate, is provided with a cavity, and one end of the key shaft is mounted on the inner surface of the cavity; the elastic connecting body is provided with an exhaust hole communicated with the inner cavity.

6. A magnetically attracted key as claimed in any one of claims 1 to 3 in which: the elastic connecting body is an elastic rubber ring, and two sides of the elastic rubber ring are respectively connected with the limiting ring table and the mounting substrate.

7. A magnetically attracted key as claimed in any one of claims 1 to 3 in which: the mounting substrate is provided with a fool-proof structure.

8. The magnetically attracted key of claim 7, wherein: the fool-proof structure is a fool-proof groove arranged on the mounting substrate; and/or the presence of a gas in the gas,

the fool-proof structure is a fool-proof lug arranged on the mounting substrate.

9. A magnetically attracted key as claimed in any one of claims 1 to 3 in which: the mounting substrate is provided with a fixing structure for connecting with the metal shell.

10. A magnetically attracted key as claimed in any one of claims 1 to 3 in which: the outer end of the key shell is provided with a key mark.