CN109462391B - Key structure and electronic equipment - Google Patents
Key structure and electronic equipment Download PDFInfo
- Publication number
- CN109462391B CN109462391B CN201811354301.9A CN201811354301A CN109462391B CN 109462391 B CN109462391 B CN 109462391B CN 201811354301 A CN201811354301 A CN 201811354301A CN 109462391 B CN109462391 B CN 109462391B
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- key
- magnetic
- groove
- induction switch
- shell
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
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- Push-Button Switches (AREA)
Abstract
The invention relates to the field of keys of electronic equipment, in particular to a key structure and the electronic equipment, wherein the key structure comprises: the magnetic induction switch is arranged in the shell of the equipment and is arranged relative to the side wall of any side of the shell, and a key slot is also formed in one side of the side wall facing the outside of the shell and is separated from the inside of the shell and is not communicated with the inside of the shell; the magnetic force inductive switch is electrically connected with a main control board of the equipment; the key body is arranged in the key position groove; the magnetic assembly is positioned in the key position groove and is arranged relative to the magnetic force induction switch; the magnetic component is connected with the key body; the limiting ring is arranged in the key groove and is penetrated by the magnetic assembly, and the limiting ring is used for being clamped with the magnetic assembly when the magnetic assembly moves to a preset position in a direction away from the magnetic induction switch; the key body is used for driving the magnetic component to perform linear motion in the key position groove relative to the magnetic force induction switch, and the magnetic force induction switch is also used for being triggered when the distance between the magnetic component and the magnetic component is smaller than or equal to a preset distance.
Description
Technical Field
The present invention relates to the field of keys of electronic devices, and in particular, to a key structure and an electronic device.
Background
The existing terminal equipment key is waterproof, and the waterproof rubber ring is arranged between the key and the shell and interferes with the shell by increasing the waterproof rubber ring on the key, so that external water is prevented from entering the terminal equipment from the key position groove.
The inventor finds that at least the following problems exist in the prior art: because the key position is equipped with the trompil, when external water pressure is great or waterproof rubber ring is less, the water-proof effects is inefficacy easily.
Disclosure of Invention
The invention aims to provide a key structure and electronic equipment, which have good waterproof effect and cannot lose efficacy due to water pressure.
In order to solve the above technical problem, an embodiment of the present invention provides a key structure and an electronic device, where the key structure includes: the magnetic induction switch is arranged in the shell of the equipment and is arranged relative to the side wall of any one side of the shell, a key position groove is also formed in one side of the side wall facing the outside of the shell, and the key position groove and the inside of the shell are mutually separated and are not communicated; the magnetic induction switch is electrically connected with a main control board of the equipment and used for sending an electric signal to the main control board when being triggered; the key body is arranged in the key position groove; the magnetic assembly is positioned in the key position groove and is arranged relative to the magnetic induction switch; the magnetic component is connected with the key body; the limiting ring is arranged in the key groove and penetrated by the magnetic assembly, and the limiting ring is used for being clamped with the magnetic assembly when the magnetic assembly moves to a preset position in a direction away from the magnetic induction switch; the key body is used for driving the magnetic component to perform linear motion in the key slot relative to the magnetic force induction switch, and the magnetic force induction switch is also used for being triggered when the distance between the magnetic component and the magnetic component is smaller than or equal to a preset distance; when the magnetic assembly is clamped with the limiting plate, the distance between the magnetic assembly and the magnetic force induction switch is larger than the preset distance.
The electronic device comprises a key structure as described above.
Compared with the prior art, the embodiment of the invention has the advantages that the key body is pressed down, the key body drives the magnetic assembly to move towards the magnetic force induction switch in the key position groove, the distance between the magnetic assembly and the magnetic force induction switch is smaller than the preset distance, and the magnetic force induction switch is triggered to send an electric signal to the main control board; when the key body resets, the magnetic assembly moves towards the magnetic force inductive switch, and is connected with the limiting ring at the moving limit position, so that the key body is prevented from popping out of the key slot, meanwhile, the distance between the magnetic assembly and the magnetic force inductive switch is greater than the preset distance, the magnetic force inductive switch cannot be triggered, and the limiting ring has the effect of limiting the distance between the magnetic assembly and the magnetic force inductive switch. Because the key position groove is mutually separated from the inside of the shell and is not communicated with the inside of the shell, outside water cannot enter the inside of the terminal equipment through the key position groove, and the key structure has a good waterproof effect and cannot lose efficacy due to overlarge water pressure.
Additionally, the magnetic assembly includes: the key comprises a connecting part connected with the key body and a magnetic part arranged on the connecting part, wherein the magnetic part corresponds to the magnetic induction switch.
In addition, the connection portion includes: the connecting part body and with this body coupling's of connecting part fixture block, the button body is in towards the draw-in groove has been seted up to one side of connecting part, the draw-in groove be used for with the fixture block joint. The clamping connection is convenient to process and tight in connection, so that the connecting part can move synchronously along with the key body.
In addition, the key slot includes: the first groove body and the second groove body are communicated with each other, a notch of the first groove body is positioned on the outer surface of the shell, and the second groove body is positioned at the bottom of the first groove body; the key body is slidably arranged in the first groove body, and the limiting ring is fixedly arranged in the second groove body.
In addition, the first tank body and the second tank body are coaxially arranged, and the depth of the first tank body is greater than that of the second tank body; when the key body moves to the limit position in the direction towards the magnetic force induction switch, the distance between the magnetic assembly and the magnetic force induction switch is smaller than or equal to the preset distance. Because the button body moves in the first groove body when being pressed, the depth of the first groove body is greater than that of the second groove body.
In addition, the key position groove includes the second cell body, the button structure still includes: the buffer pad is arranged at the groove bottom of the second groove body, and the waterproof film is covered on the buffer pad. The magnetic assembly is buffered when moving to the limit position towards the magnetic force inductive switch, and the groove bottom or the magnetic assembly is prevented from being damaged due to rigid contact of the magnetic assembly and the groove body of the second groove body.
In addition, the key structure further includes: the rebound component is connected between the key body and the limiting ring; one end of the springback component props against the key body, and the other end of the springback component props against the limiting ring.
In addition, the resilience component is a straight spring, and the key body and the limiting plate are both provided with spring mounting grooves for mounting the straight spring.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a sectional view of a key structure in a first embodiment.
Detailed Description
To make the objects, technical aspects and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical means claimed in the present application can be realized without these technical details and various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to a key structure, which is provided on a mobile device, and has a good waterproof effect, so that external water cannot enter the housing 1 of the device through the key structure.
As shown in fig. 1, a casing 1 of the device is provided with a key slot 4, the key slot 4 is separated from the inside of the casing 1 and is not communicated with the inside of the casing, and the key structure comprises: a magnetic induction switch 7 arranged in the shell 1 of the device, a key body 2 arranged in the key slot 4 and a magnetic component 5. The magnetic force inductive switch 7 is electrically connected with a main control board 8 of the device, and the magnetic component 5 is arranged opposite to the magnetic force inductive switch 7 and connected with the key body 2. When the user is pressing button body 2, button body 2 and magnetic component 5 can be towards magnetic force inductive switch 7's direction linear motion, but magnetic component 5 and magnetic force inductive switch 7 are separated by casing 1 and can't contact, and when the distance between magnetic component 5 and magnetic force inductive switch 7 was less than or equal to and predetermines the distance, the magnetic force between magnetic component 5 and the magnetic force inductive switch 7 reached a definite value, can trigger magnetic force inductive switch 7. When the magnetic force inductive switch 7 is triggered, an electric signal is sent to the main control board 8, and the main control board 8 obtains key information and executes corresponding key operation. Because the key position groove 4 is separated from the inside of the shell 1, when external water enters the key position groove 4, the external water cannot enter the inside of the shell 1 through the key position groove 4, so that the key structure has a good waterproof effect, and the key structure cannot lose efficacy due to overlarge water pressure.
It should be noted that the key structure further includes: spacing ring 3, spacing ring 3 establish in key position groove 4 to run through by magnetic component 5, when pressing button body 2, magnetic component 5 and 3 relative sliding of spacing ring, spacing ring 3 includes: the annular part 31 for accommodating the magnetic component 5 and the limiting part 32 connected to the annular part 31 are arranged on one side of the annular part 31 close to the key body 2, and the limiting part 32 is used for being clamped with the magnetic component 5 when the magnetic component 5 moves towards the direction far away from the magnetic induction switch 7, so that the magnetic component 5 and the key body 2 are prevented from being separated from the key slot 4.
The key structure further includes: the resilient member 9 is connected between the key body 2 and the limiting ring 3, and in the present embodiment, the resilient member 9 is a straight spring, but naturally, the resilient member 9 may also be another elastic member. One end of the straight spring is abutted against the key body 2, the other end of the straight spring is abutted against the limiting part 32, and mounting grooves (not shown in the figure) for mounting the straight spring are formed in the key body 2 and the limiting part 32. The user is pressing button body 2, after triggering magnetic force inductive switch 7, loosen button body 2, at this moment, straight spring can promote the button towards the direction of keeping away from magnetic force inductive switch 7 through self elasticity, reset button body 2, magnetic component 5 and spacing ring 3's cyclic annular portion 31 joint when keeping away from magnetic force inductive switch 7 direction motion to extreme position towards, at this moment, the distance between magnetic component 5's magnetic part 51 and the magnetic force inductive switch 7 is greater than preset distance, magnetic force inductive switch 7 can not triggered. The retainer ring 3 may have the effect of controlling the position of the magnetic portion 51.
It can be seen from the above that, each component of the key structure in the key slot 4 is a mechanical mechanism, even if external water enters the key slot 4, each component in the key slot 4 cannot be disabled, and the key structure can not only prevent water from entering the housing 1, but also prevent the external water from being disabled when the external water enters the key slot 4.
Wherein the magnetic assembly 5 comprises: a connecting part 52 connected with the key body 2, a magnetic part 51 arranged on the connecting part 52, wherein the magnetic part 51 is opposite to the magnetic induction switch 7, and the magnetic part 51 is a magnet in the embodiment. The connection portion 52 includes: connecting portion 52 body and the fixture block 53 that links to each other with the connecting portion 52 body, button body 2 sets up the draw-in groove in one side towards connecting portion 52, and fixture block 53 joint is in the draw-in groove, and connecting portion 52 links to each other with button body 2 through the joint, and the mode processing that the joint is connected is simple and connect firmly for magnetic component 5 can be along with button body 2 synchronous motion.
Meanwhile, the connection portion 52 further includes: the second latch 54 is connected to the connecting portion 52, the second latch 54 is disposed in the limiting ring 3, and the second latch 54 is used for being clamped with the limiting portion 32 of the limiting ring 3.
Note that, the key slot 4 includes: first cell body 41 and second cell body 42 that communicate each other, the notch of first cell body 41 is located the surface of casing 1, the notch of second cell body 42 is located the cell body of first cell body 41, first cell body 41 and the coaxial setting of second cell body 42, first cell body 41 is used for accomodating button body 2, second cell body 42 then is used for accomodating spacing ring 3, the cyclic annular portion 31 of spacing ring 3 offsets with the cell wall of second cell body 42 to the bonding is on the cell wall of second cell body 42. Because the key body 2 moves in the first groove 41 when being pressed, the depth of the first groove 41 is greater than that of the second groove 42, and the groove walls of the key body 2 and the first groove 41 are separated from each other, so that the groove wall of the first groove 41 is prevented from blocking the movement of the key body 2. When button body 2 moved extreme position towards magnetic force inductive switch 7 in first cell body 41, button body 2 offseted with spacing portion 32, and this position is the extreme position that button body 2 pressed, and when button body 2 was pressed extreme position, the distance between magnetic component 5 and the magnetic force inductive switch 7 was less than preset distance.
It should be noted that the key structure further includes: establish the blotter 6, the lid at the tank bottom of second cell body 42 and establish water proof membrane 61 on blotter 6, blotter 6 is corresponding with magnetic component 5 for buffer magnetic component 5 when magnetic component 5 moves to extreme position towards magnetic force inductive switch 7, avoid magnetic component 5 and second cell body 42's cell body rigid contact, damage tank bottom or magnetic component 5.
In the key structure in the embodiment, the magnetic force inductive switch 7 can be triggered in an air-isolated manner by arranging the magnetic force inductive switch 7 and the magnetic component 5, and the magnetic force inductive switch 7 can be completely isolated by the shell 1, so that a good waterproof effect is achieved; through the setting of spacing ring 3, can prevent that magnetic component 5 and button body 2 from breaking away from key position groove 4, play the effect of the distance of restriction magnetic component 5 and magnetic force inductive switch 7 simultaneously.
A second embodiment of the present invention relates to an electronic apparatus including a key structure as in the first embodiment.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of practicing the invention, and that various changes in form and detail may be made therein without departing from the spirit and scope of the invention in practice.
Claims (9)
1. A key structure, comprising:
the magnetic induction switch is arranged in the shell of the equipment and is arranged relative to the side wall of any one side of the shell, a key position groove is also formed in one side of the side wall facing the outside of the shell, and the key position groove and the inside of the shell are mutually separated and are not communicated; the magnetic induction switch is electrically connected with a main control board of the equipment and used for sending an electric signal to the main control board when being triggered;
the key body is arranged in the key position groove;
the magnetic assembly is positioned in the key position groove and is arranged relative to the magnetic force induction switch; the magnetic component is connected with the key body;
the limiting ring is arranged in the key groove and penetrated by the magnetic assembly, and the limiting ring is used for being clamped with the magnetic assembly when the magnetic assembly moves to a preset position in a direction away from the magnetic induction switch;
the key body is used for driving the magnetic component to perform linear motion in the key slot relative to the magnetic induction switch, and the magnetic induction switch is also used for being triggered when the distance between the magnetic induction switch and the magnetic component is smaller than or equal to a preset distance; when the magnetic assembly is clamped with the limiting ring, the distance between the magnetic assembly and the magnetic force induction switch is larger than the preset distance.
2. The key structure of claim 1, wherein the magnetic assembly comprises: the key comprises a connecting part connected with the key body and a magnetic part arranged on the connecting part, wherein the magnetic part corresponds to the magnetic induction switch.
3. The key structure according to claim 2, wherein the connecting portion comprises: the connecting part body and with this body coupling's of connecting part fixture block, the button body is in towards the draw-in groove has been seted up to one side of connecting part, the draw-in groove be used for with the fixture block joint.
4. The key structure of claim 1, wherein the key slot comprises: the first groove body and the second groove body are communicated with each other, a notch of the first groove body is positioned on the outer surface of the shell, and the second groove body is positioned at the bottom of the first groove body;
the key body is slidably arranged in the first groove body, and the limiting ring is fixedly arranged in the second groove body.
5. The key structure of claim 4, wherein the first slot and the second slot are coaxially arranged, and the depth of the first slot is greater than the depth of the second slot;
when the key body moves to the limit position in the direction towards the magnetic induction switch, the distance between the magnetic assembly and the magnetic induction switch is smaller than or equal to the preset distance.
6. The key structure of claim 1, wherein the key slot comprises a second slot body, the key structure further comprising: the buffer pad is arranged at the groove bottom of the second groove body, and the waterproof film is covered on the buffer pad.
7. The key structure according to claim 1, further comprising: the rebound component is connected between the key body and the limiting ring;
one end of the springback component props against the key body, and the other end of the springback component props against the limiting ring.
8. The key structure of claim 7, wherein the resilient member is a straight spring, and the key body and the retainer ring are provided with spring mounting grooves for mounting the straight spring.
9. An electronic device, characterized in that: comprising a key structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354301.9A CN109462391B (en) | 2018-11-14 | 2018-11-14 | Key structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354301.9A CN109462391B (en) | 2018-11-14 | 2018-11-14 | Key structure and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109462391A CN109462391A (en) | 2019-03-12 |
| CN109462391B true CN109462391B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354301.9A Active CN109462391B (en) | 2018-11-14 | 2018-11-14 | Key structure and electronic equipment |
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| Country | Link |
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| CN (1) | CN109462391B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290256A (en) * | 2019-06-26 | 2019-09-27 | 维沃移动通信有限公司 | Terminal device |
| CN112735889B (en) * | 2019-10-28 | 2024-05-24 | 北京小米移动软件有限公司 | Key structure, electronic equipment and control method |
| CN111245418B (en) * | 2020-01-15 | 2023-05-05 | 业成科技（成都）有限公司 | Switch module |
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| CN102664512A (en) * | 2012-05-09 | 2012-09-12 | 林贵生 | Passive permanent magnet coupling transmission, braking or load device |
| CN203608174U (en) * | 2013-10-04 | 2014-05-21 | 筌诚机械股份有限公司 | Switch assembly for power tool |
| CN105355492A (en) * | 2015-11-27 | 2016-02-24 | 苏州达方电子有限公司 | Button structure providing tactile feeling |
| DE102015102947A1 (en) * | 2015-03-02 | 2016-09-08 | Endress + Hauser Gmbh + Co. Kg | Field device of automation technology |
| EP3166122A1 (en) * | 2015-11-06 | 2017-05-10 | MAKERSAN Makina Otomotiv Sanayi Ticaret Ltd. Sti. | Magnetic push-button switch |
| CN107887211A (en) * | 2017-12-29 | 2018-04-06 | 歌尔科技有限公司 | A kind of button and electronic equipment |
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2018
- 2018-11-14 CN CN201811354301.9A patent/CN109462391B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664512A (en) * | 2012-05-09 | 2012-09-12 | 林贵生 | Passive permanent magnet coupling transmission, braking or load device |
| CN203608174U (en) * | 2013-10-04 | 2014-05-21 | 筌诚机械股份有限公司 | Switch assembly for power tool |
| DE102015102947A1 (en) * | 2015-03-02 | 2016-09-08 | Endress + Hauser Gmbh + Co. Kg | Field device of automation technology |
| EP3166122A1 (en) * | 2015-11-06 | 2017-05-10 | MAKERSAN Makina Otomotiv Sanayi Ticaret Ltd. Sti. | Magnetic push-button switch |
| CN105355492A (en) * | 2015-11-27 | 2016-02-24 | 苏州达方电子有限公司 | Button structure providing tactile feeling |
| CN107887211A (en) * | 2017-12-29 | 2018-04-06 | 歌尔科技有限公司 | A kind of button and electronic equipment |
Non-Patent Citations (1)
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| CN109462391A (en) | 2019-03-12 |
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