CN107920151B - Key assembly and mobile terminal with same - Google Patents
Key assembly and mobile terminal with same Download PDFInfo
- Publication number
- CN107920151B CN107920151B CN201711444447.8A CN201711444447A CN107920151B CN 107920151 B CN107920151 B CN 107920151B CN 201711444447 A CN201711444447 A CN 201711444447A CN 107920151 B CN107920151 B CN 107920151B
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- base
- magnetic
- dial
- key
- key assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
- H04M1/233—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof including a pointing device, e.g. roller key, track ball, rocker switch or joystick
Abstract
The invention discloses a key assembly and a mobile terminal with the same. This button subassembly includes: the device comprises a base, a cover plate and a drive plate, wherein the base comprises at least one key and a plurality of first magnetic grids; the cover plate is clamped between the base and the drive plate, and part of the cover plate is exposed out of the drive plate; the drive plate is rotationally fixed on the base and comprises at least one second magnetic grid, and each second magnetic grid corresponds to the key and one of the first magnetic grids; when the drive plate rotates under the action of the first external force, the position of the drive plate relative to the base is determined through the first magnetic grid and the second magnetic grid, and the drive plate moves under the action of the second external force to trigger the key. By adopting the invention, the corresponding operation can be completed through the rotation and the movement of the drive plate, thereby expanding the function of the key assembly, facilitating the operation of a user and improving the user experience.
Description
Technical Field
The invention relates to the technical field of terminals, in particular to a key assembly and a mobile terminal with the key assembly.
Background
With the development of mobile terminal technology and communication technology, mobile terminals such as smart phones have become an indispensable part in daily life of people, and existing smart phones are provided with a plurality of entity keys to realize different functions, for example, fingerprint identification keys are arranged to perform operations such as unlocking and payment of the smart phone, and volume adjustment keys and screen locking keys are arranged. However, the function of each entity button is single, the internal space and thickness of the smart phone are increased, the production cost is high, in addition, when the user operates, different buttons at different positions need to be started to complete corresponding functions, and the user experience is poor.
Disclosure of Invention
The invention mainly aims to provide a key assembly and a mobile terminal with the key assembly, and aims to solve the problems of internal space occupation, large thickness, high cost and poor user experience caused by a plurality of entity keys.
To achieve the above object, the present invention provides a key assembly, including: a base, a cover plate and a dial, wherein,
the base comprises at least one key and a plurality of first magnetic grids;
the cover plate is clamped between the base and the drive plate and is partially exposed out of the drive plate;
the drive plate is rotationally fixed on the base and comprises at least one second magnetic grid, and each second magnetic grid corresponds to the key and one of the first magnetic grids;
when the drive plate rotates under the action of a first external force, the position of the drive plate relative to the base is determined through the first magnetic grid and the second magnetic grid, and the drive plate moves downwards under the action of a second external force to trigger the keys.
Optionally, the base is fixed and electrically connected to the circuit board, and the cover plate is electrically connected to the circuit board through the base.
Optionally, the base includes a base body, the base body has a central hole, and the at least one key and the plurality of first magnetic grids are respectively fixed on the base at equal intervals.
Optionally, the plurality of first magnetic grids are uniformly and densely distributed at the inner edge of the base body close to the central hole and electrically connected with the circuit board, and the key is located on one side of the plurality of magnetic grids far away from the central hole.
Optionally, the number of the keys is 4, and the keys are respectively located at four positions of the upper part, the lower part, the left part and the right part of the base body.
Optionally, the cover plate is clamped in the central hole of the base to identify a specific signal and transmit the identified signal.
Optionally, the cover is a fingerprint identification cover.
Optionally, the dial comprises a dial body corresponding to the base body, and the second magnetic grid is fixed on the surface of the dial body facing to the base.
Optionally, the dial body has a through hole, the second magnetic grid is fixed at an inner edge of the dial body close to the through hole, and the cover plate is exposed out of the dial through the through hole.
In addition, in order to achieve the above object, the present invention further provides a mobile terminal, including a screen and the above key assembly, where the key assembly is embedded in the screen, or the key assembly is disposed outside the screen, and when a dial of the key assembly rotates or moves under an external force, the screen displays corresponding content.
According to the key assembly and the mobile terminal with the key assembly, the drive plate rotates 360 degrees relative to the base to perform operations such as page turning, volume increasing and decreasing and the like, and when a specific position of the drive plate is pressed, the keys of the base are triggered to complete corresponding operations, so that the functions of the key assembly are expanded, the operation of a user is more convenient, and the user experience is improved.
Drawings
Fig. 1 is an assembly diagram of a key assembly according to a preferred embodiment of the present application;
fig. 2 is an exploded view of the key assembly shown in fig. 1;
fig. 3 is a partially enlarged schematic view of the key assembly shown in fig. 2;
fig. 4 is a partial cross-sectional view of the key assembly shown in fig. 1.
Description of the main elements
First magnetic grid 23
Center hole 24
Second magnetic grid 42
Through hole 43
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First embodiment
Please refer to fig. 1 and 2, which are a schematic structural diagram and an exploded schematic diagram of a key assembly according to a first embodiment of the present application. The key assembly includes a circuit board 10, a base 20 fixed on the circuit board 10, a cover plate 30, and a dial 40. The circuit Board 10 is a Flexible Printed Board (FPC) for connecting the cover 30 and the main Board.
As shown in fig. 2, the base 20 includes a base body 21, a key 22 disposed on the base body, and a plurality of first magnetic grids 23. The base body 21 has a circular plate-like structure with a central hole 24. The key 22 is fixed on the base body 21 and electrically connected to the circuit board 10. The first magnetic grids 23 are uniformly and densely distributed at the inner edge of the base body 21 close to the central hole 24, and are electrically connected with the circuit board 10.
In the present embodiment, the shape of the first magnetic grid 21 is similar to a long strip, and in other embodiments, the first magnetic grid 21 may also be an ellipse, a triangle, etc.
In order to improve the accuracy of the position measurement of the dial 40, the number of the first magnetic scale 21 in the present embodiment is plural, and the plural first magnetic scales 21 are provided around the center hole 24. In other embodiments, the first magnetic grid 21 may be configured as a circular magnetic grid that is coaxial with the central hole 24.
In this embodiment, the number of the keys 22 is 4, and the 4 keys 22 are fixed on the base body 21 at equal intervals and located on a side of the first magnetic grid 23 away from the central hole 24, that is, the 4 keys 22 are respectively distributed on four positions of the base body 21, i.e. the upper, lower, left and right sides. In other embodiments, the number of the keys 22 may also be 1, 2, etc., which is not specifically limited in this application.
The cover plate 30 is sandwiched between the base 20 and the dial 40, and is electrically connected to the circuit board 10 through the base 20, and partially exposed to the dial 40. Specifically, the cover 30 is clamped in the central hole 24 of the base 20 for signal identification and sending the identified signal, such as: fingerprint identification and sending the identified fingerprint signal.
In the present embodiment, the cover 30 is a fingerprint cover.
Referring to fig. 2 and fig. 3, the dial 40 is rotatably fixed on the base 20, and the dial 40 can rotate 360 ° relative to the base 20, and by pressing the dial 40, the dial 40 triggers the corresponding key 22 to implement the corresponding function. The dial 40 includes a dial body 41 corresponding to the base body 21 and a second magnetic scale 42. The dial body 41 may have a substantially annular plate-like structure and has a through hole 43. When the base, the cover plate 30 and the dial 40 are assembled together, the cover plate 30 is exposed through the through hole 43 to facilitate fingerprint recognition by a user pressing with a finger. The second magnetic scale 42 is fixed on the surface of the dial body 41 facing the base 20, and is close to the inner edge of the through hole 43. The second magnetic grids 42 correspond to the first magnetic grids 23 at corresponding positions of the base 20, and when the dial 40 rotates relative to the base 20, the position of the dial body 41 is calculated through position signals generated by the first magnetic grids 23 and the second magnetic grids 42, so that corresponding operation is realized.
In the present embodiment, the structure of the second magnetic grid 42 corresponds to the structure of the first magnetic grid 21, that is, the second magnetic grid 42 may be a long strip, an oval, a triangle, etc. according to actual needs. It will be understood by those skilled in the art that the structure of the second grating 42 may also be different from that of the first grating 21 as long as it is satisfied that the second grating 42 is partially in contact with the first grating 21 and the position of the dial 40 can be accurately detected.
Optionally, the dial 40 is rotated by 360 ° under the action of external force to perform corresponding operations, such as: volume plus-minus, page switching, picture switching, etc., when the user determines the operation, the dial 40 is pressed to trigger the key 22 to implement the corresponding function. It will be understood by those skilled in the art that the corresponding function of the rotary dial 40 can be set according to the actual use requirement, and the embodiment is not particularly limited herein.
Optionally, in fig. 2, if the number of the second magnetic grids 42 is 4, the second magnetic grids 42 correspond to the first magnetic grids 23 at corresponding positions of the base 20, and correspond to 4 keys 22, respectively.
As shown in fig. 4, when assembling, the base 20 is fixed and electrically connected to the circuit board 10; the cover plate 30 is clamped and fixed in the central hole 24 of the base 20, and the cover plate 30 is electrically connected with the circuit board 10; the dial 40 is fixed on the base 20, and the second grating 42 of the dial 40 corresponds to the keys 22 and the first grating 23 of the base 20. The dial 40 rotates relative to the base 20 under the action of the first external force, the first magnetic grid 23 and the second magnetic grid 42 generate position signals of the dial 40, the position of the dial 40 is calculated through the processor to realize operations such as page turning, and when the first external force is removed, the dial 40 stops rotating; the dial 40 moves downward under the second external force and activates the corresponding key 22 to implement the corresponding function. When a user touches or presses the surface of the cover plate 30 with a finger, the finger is subjected to fingerprint recognition to realize functions of unlocking, quick payment and the like.
In the key assembly provided by this embodiment, the dial 40 rotates 360 degrees relative to the base 30 to perform operations such as page turning, volume up and down, and when a specific position of the dial 40 is pressed, the keys 22 of the base 20 are triggered to complete corresponding operations, so that functions of the key assembly are expanded, user operation is facilitated, and user experience is improved.
Second embodiment
A second embodiment of the present application provides a mobile terminal. As shown in fig. 1, the mobile terminal at least includes a screen and a key assembly. The structure of the key assembly in the second embodiment is the same as that of the key assembly in the first embodiment, and for the same contents, the description of this embodiment is omitted. The key assembly of the embodiment can be embedded in the screen or arranged outside the screen, and corresponding contents are displayed on the screen through the operation of the key assembly by a user.
In the present embodiment, the mobile terminal may include a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, a mobile phone, a tablet computer, a notebook computer, a palm computer, a PDA, and the like.
The mobile terminal provided by the embodiment integrates a plurality of entity or virtual key assembly functions by setting the key assembly, thereby saving the manufacturing cost, being beneficial to the development of the mobile terminal to small models, being more convenient for the user to operate and improving the user experience.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A key assembly, comprising: a base, a cover plate and a dial, wherein,
the base comprises at least one key and a plurality of first magnetic grids;
the cover plate is clamped between the base and the drive plate and is partially exposed out of the drive plate;
the drive plate is rotationally fixed on the base and comprises at least one second magnetic grid, and each second magnetic grid corresponds to the key and one of the first magnetic grids;
when the drive plate rotates under the action of a first external force, the position of the drive plate relative to the base is determined through the first magnetic grid and the second magnetic grid, and the drive plate moves downwards under the action of a second external force to trigger the keys;
the key assembly further comprises a circuit board, the base is fixed and electrically connected to the circuit board, and the cover plate is electrically connected with the circuit board through the base;
the base comprises a base body, the base body is provided with a central hole, and the at least one key and the plurality of first magnetic grids are respectively fixed on the base at equal intervals;
the first magnetic grids are uniformly and densely distributed at the inner edge of the base body close to the central hole and are electrically connected with the circuit board, and the key is positioned on one side of the magnetic grids far away from the central hole;
the number of the keys is 4, the keys are respectively positioned at the upper part, the lower part, the left part and the right part of the base body, and the keys are positioned at one side of the first magnetic grid away from the central hole;
the cover plate is clamped and fixed in the central hole of the base so as to identify a specific signal and send the identified signal;
the cover plate is a fingerprint identification cover plate.
2. The key assembly of claim 1, wherein the dial includes a dial body corresponding to the base body, the second magnetic grating being fixed to a surface of the dial body facing a side of the base.
3. The key assembly of claim 2, wherein the dial body has a through hole, the second magnetic grid is fixed to the dial body near an inner edge of the through hole, and the cover plate is exposed to the dial through the through hole.
4. A mobile terminal comprising a screen and a key assembly according to any one of claims 1 to 3, the key assembly being embedded in the screen or being disposed outside the screen, the screen displaying corresponding contents when a dial of the key assembly is rotated or moved by an external force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444447.8A CN107920151B (en) | 2017-12-27 | 2017-12-27 | Key assembly and mobile terminal with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444447.8A CN107920151B (en) | 2017-12-27 | 2017-12-27 | Key assembly and mobile terminal with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107920151A CN107920151A (en) | 2018-04-17 |
| CN107920151B true CN107920151B (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711444447.8A Active CN107920151B (en) | 2017-12-27 | 2017-12-27 | Key assembly and mobile terminal with same |
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| Country | Link |
|---|---|
| CN (1) | CN107920151B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1838693A (en) * | 2006-03-25 | 2006-09-27 | 曹小勇 | Multifunctional rotary dial |
| CN1841275A (en) * | 2005-04-01 | 2006-10-04 | 欧姆龙株式会社 | Operation input device and electronic equipment employing the same |
| EP1693872B1 (en) * | 2005-02-17 | 2009-03-18 | Omron Corporation | Operation input device and electronic appliances using the same |
| CN201698600U (en) * | 2010-05-26 | 2011-01-05 | 深圳市大众通电子科技有限公司 | Electronic book with rotatable navigation key |
| CN107003749A (en) * | 2014-12-05 | 2017-08-01 | 三星电子株式会社 | Fine motion driver plate and the electronic equipment for being provided with the fine motion driver plate for electronic equipment |
-
2017
- 2017-12-27 CN CN201711444447.8A patent/CN107920151B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1693872B1 (en) * | 2005-02-17 | 2009-03-18 | Omron Corporation | Operation input device and electronic appliances using the same |
| CN1841275A (en) * | 2005-04-01 | 2006-10-04 | 欧姆龙株式会社 | Operation input device and electronic equipment employing the same |
| CN1838693A (en) * | 2006-03-25 | 2006-09-27 | 曹小勇 | Multifunctional rotary dial |
| CN201698600U (en) * | 2010-05-26 | 2011-01-05 | 深圳市大众通电子科技有限公司 | Electronic book with rotatable navigation key |
| CN107003749A (en) * | 2014-12-05 | 2017-08-01 | 三星电子株式会社 | Fine motion driver plate and the electronic equipment for being provided with the fine motion driver plate for electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107920151A (en) | 2018-04-17 |
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