CN205609400U - Button device and terminal - Google Patents
Button device and terminal Download PDFInfo
- Publication number
- CN205609400U CN205609400U CN201620307223.7U CN201620307223U CN205609400U CN 205609400 U CN205609400 U CN 205609400U CN 201620307223 U CN201620307223 U CN 201620307223U CN 205609400 U CN205609400 U CN 205609400U
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- Prior art keywords
- key device
- sensor assembly
- becket
- sensor
- support member
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Abstract
The utility model relates to a terminal technology field, concretely relates to button device and terminal. This button device includes sensor module and is located the button subassembly at the sensor module back, the last cover of sensor module has spacingly sensor module's becket, the becket is the oval type, is located just be located in the becket sensor module's front is equipped with the sensor apron, and sensor module's the back still is equipped with the flexible circuit board of being connected with the sensor module electricity, still is equipped with support piece on the flexible circuit board, and support piece is last to be equipped with two at least elastic support portions, and the flexible circuit board is located between button subassembly and the flexible circuit board. The utility model discloses in, the becket with sensor module and sensor apron all the cover in the inside of becket, in the direction of motion of pressing down in -process sensor module and sensor apron only is limited to the becket, press down at every turn all lie in the button subassembly correctly press the pressure point, difficult appearance is multi -direction press down the button subassembly result in the problem that the button subassembly subsides according to the pressure point.
Description
Technical field
This utility model relates to field of terminal technology, is specifically related to a kind of key device and terminal.
Background technology
With it, mode of operation and the strongest security performance are more and more applied to intelligence to fingerprint recognition easily
In energy terminal.But owing to intelligent terminal's space structure is limited, it is impossible to use optical fingerprint sensor module,
But use the semiconductor fingerprint sensor assembly of small volume, this kind of semiconductor transducer, either electricity
Appearance formula or inductance type, be respectively provided with similar principle, is integrated with thousands of semiconductor device at one piece
On " flat board ", finger plaster thereon with which constitute the another side of electric capacity (inductance), owing to finger is put down
Face is rough and uneven in surface, the most different with the actual range size contacting flat board at concave point at salient point, the electricity of formation
Appearance/inductance value is also the most different, and the different numerical value collected around this principle is collected, also by equipment
Just complete the collection of fingerprint.
At present, various terminals start setting up the key device of function with fingerprint, but this button fills
Put during long-term pressing uses, owing to fingerprint function module not protected or protecting journey
Spend poor, a certain degree of fingerprint recognition can be caused ineffective, and owing to long-term pressing use makes button
Device inner member stays, so that poor sealing, in stress, the temperature difference is big, and high humidity etc. is bad
In environment, it may appear that identify ineffective, there is also steam and enter phenomenons such as causing short circuit, bring to user
Inconvenience.
Utility model content
This utility model embodiment provides a kind of key device and terminal to solve existing merit with fingerprint
The key device of energy easily occurs fingerprint recognition sealing property decline that is insensitive and that bring due to life-time service
The problems such as the short circuit caused.
In view of this, this utility model first aspect provides a kind of key device, and this key device includes passing
Sensor module and the button assembly being positioned at the described sensor assembly back side, described sensor assembly overlaps limited
The becket of the described sensor assembly in position, is positioned at becket and is positioned at the front of described sensor assembly and sets
Having sensor cover plate, the back side of sensor assembly is additionally provided with the flexible PCB electrically connected with sensor assembly,
Being additionally provided with support member on flexible PCB, support member includes gripper shoe and the elasticity being connected with described gripper shoe
Supporting part, flexible PCB is between described button assembly and flexible PCB.
In certain embodiments, support member is silica gel support member, and button assembly includes supporting with described silica gel
The switch that part is inconsistent, silica gel support member is between described switch and described flexible PCB.
In certain embodiments, switching as thin film switch, silica gel support member is provided with contact part, contact part
Inconsistent with thin film switch.
In certain embodiments, described sensor assembly is fingerprint sensor module.
In certain embodiments, described fingerprint sensor module be shaped as kidney ellipsoid, described sender unit cap
Plate is the aluminosilicate glass cover plate of kidney ellipsoid.
In certain embodiments, described flexible PCB includes not less than in described becket radial section
The sensor assembly portion of footpath size and for connecting the connecting portion of mainboard.
In certain embodiments, the junction between described connecting portion and described sensor assembly portion covers
There is electromagnetic shielding film.
In certain embodiments, described connecting portion is additionally provided with the process for driving described sensor assembly
Chip, the end of described connecting portion is additionally provided with connection end.
In certain embodiments, described connecting portion is positioned at described process chip and described connection end and also sets
There is reinforcement steel disc.
This utility model embodiment second aspect also provides for a kind of terminal, and this terminal is provided with above-mentioned button dress
Putting, the becket of key device is provided with spacing shirt rim portion, and described terminal is provided with and described spacing shirt rim
Portion coordinates the spacing hole of fixing described key device.
As can be seen from the above technical solutions, this utility model embodiment has the advantage that this practicality is new
In type embodiment, using and arrange sensor cover plate on the front of sensor assembly, the back side of sensor sets
Putting flexible PCB and button assembly, sensor assembly can effectively be protected by this sensor cover plate, additionally, soft
Property circuit board is between button assembly and sensor assembly, and becket is by sensor assembly and sender unit cap
Plate is all enclosed within the inside of becket so that sensor assembly and the motion side of sensor cover plate during pressing
In being only limitted to becket, every time pressing is respectively positioned on the correct press points of button assembly, is difficult to occur in many ways
Press points to pressing keys assembly causes the problem that button assembly subsides.
Accompanying drawing explanation
Fig. 1 is the exploded view of the key device of this utility model embodiment；
Fig. 2 is the structural representation of the key device of this utility model embodiment；
Fig. 3 is the A-A face sectional view of Fig. 2；
Fig. 4 is an enforcement illustration of the key device of this utility model embodiment.
In accompanying drawing, each parts are as follows:
1, key device, 11, sensor assembly, 12, becket, 121, spacing group's edge, 13,
Sensor cover plate, 14, flexible PCB, 141, sensor assembly portion, 142, connecting portion, 15,
Support member, 151, resilient support portion, 152, contact part, 16, adhesive linkage, 17, process chip, 18,
Reinforcement steel disc, 19, electromagnetic shielding film.
Detailed description of the invention
This utility model embodiment provides a kind of key device and terminal, it is possible to solves existing band fingerprint and knows
The key device of other function easily occurs fingerprint recognition sealing property that is insensitive and that bring due to life-time service
The problems such as the short circuit that decline causes.
In order to make those skilled in the art be more fully understood that this utility model scheme, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in this utility model embodiment is carried out clear, complete
Ground describe, it is clear that described embodiment be only this utility model a part embodiment rather than
Whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, all should belong to this utility model protection
Scope.
It is described in detail individually below.
Term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second ",
(if present) such as " the 3rd " " the 4 " is for distinguishing similar object, without being used for describing spy
Fixed order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, with
Just the embodiments described herein can be implemented with the order in addition to the content except here illustrating or describe.
Referring to the exploded view that Fig. 1 to Fig. 3, Fig. 1 are this utility model key devices, Fig. 2 is this practicality
The structural representation of the key device of new embodiment, Fig. 3 is the A-A face sectional view of Fig. 2, this button
Device 1 includes sensor assembly 11 and is positioned at the button assembly at the described sensor assembly back side, described sensing
Overlap the becket 12 of sensor assembly described in limited location in device module, be positioned at described becket and be positioned at institute
The front stating sensor assembly is provided with sensor cover plate 13, and the back side of sensor assembly is additionally provided with and sensor
The flexible PCB 14 of module electrical connection, flexible PCB is additionally provided with support member 15, and support member includes propping up
Fagging and the resilient support portion 151 being connected with described gripper shoe, flexible PCB be positioned at described button assembly and
Between flexible PCB.
Sensor cover plate is set on the front of sensor assembly it can be seen that use, the back side of sensor
Arranging flexible PCB and button assembly, this sensor cover plate can effectively protect sensor assembly, additionally,
Flexible PCB is between button assembly and sensor assembly, and becket is by sensor assembly and sensor
Cover plate is all enclosed within the inside of becket so that sensor assembly and the motion of sensor cover plate during pressing
Direction is only limitted in becket, and pressing is respectively positioned on the correct press points of button assembly every time, is difficult to appearance many
The press points of direction pressing keys assembly causes the problem that button assembly subsides.If additionally, sensor assembly
When being fingerprint sensor, relative to circular or the fingerprint sensor of rectangle, the becket of kidney ellipsoid makes
If the contacts contact face of the most supporting kidney ellipsoid fingerprint sensor is long-pending bigger, thus is easier to fingerprint
It is identified, improves fingerprint recognition efficiency.
It should be noted that actual being shaped like with standard toroidal runway of kidney ellipsoid, be two parallel
The equal line segment of length, use inside circular sliding slopes, and arc towards two in same one end of two lines section
Between bar line segment, what thus two sections of symmetrical arcs and two parallel and isometric line segments were constituted is shaped as this
Kidney ellipsoid in utility model embodiment.
Optionally, described sensor assembly is fingerprint sensor module.
Optionally, support member is silica gel support member, and button assembly includes inconsistent with described silica gel support member
Switch, silica gel support member is between described switch and described flexible PCB.
It is understood that silica gel support member is a kind of restorative preferable support member, long-term pressing is the most not
There will be the situation of deformation, by inconsistent with switch for this support member so that during pressing fingerprint sensor module,
This support member of pressing can be driven, and then drive switch, complete keypress function, when unclamping, due to switch
Dual recovery deformation with support member so that fingerprint sensor module does not haves as pressing component yet and collapses
Situation about falling into.
Wherein, silica gel support member is connected with flexible PCB by adhesive linkage 16.This adhesive linkage can be
The glue-lines such as double faced adhesive tape.
Optionally, described switch is thin film switch, and described silica gel support member is provided with contact part 152, described
Contact part is inconsistent with described thin film switch.
It is understood that thin film switch has thin characteristic and stronger button resilience, it is possible to
Adapt in the most frivolous terminal unit, by this thin film switch and setting on silica gel support member
Contact part is inconsistent so that just can press thin film switch during key press, reduce due to
Not ineffective to the button the caused situation of pressing position or pressing direction, and inconsistent structure also can
The thickness enough making whole key device is less.
Optionally, described fingerprint sensor module be shaped as kidney ellipsoid, described sensor cover plate is oval
The aluminosilicate glass cover plate of shape.
It is understood that the fingerprint sensor module of kidney ellipsoid is compared to pressing types such as circle and rectangles
For fingerprint sensor, owing to identifying that area is bigger, it is possible to gather the finger print information of more user, from
And can the most accurately and quickly identify the fingerprint of user, improve fingerprint recognition efficiency.
Optionally, flexible PCB includes the sensing of the internal diameter size not less than described becket radial section
Device module section 141 and for connecting the connecting portion 142 of mainboard.
It is understood that flexible PCB is arranged to the internal diameter size not less than becket radial section,
I.e. kidney ellipsoid cross-sectional sizes is to prevent flexible PCB from occurring position during key device is pressed
Move, and occur that displacement likely results in the fingerprint sensor module connected on it and the problem of loose contact occurs,
And it is likely to so that asking of loose contact occurs in the end that connects being connected to mainboard on this flexible PCB
Topic.
Optionally, the embodiment that Fig. 4, Fig. 4 are the key devices of this utility model embodiment is referred to
Figure, wherein, the junction between described connecting portion and described sensor assembly portion is coated with electromagnetic shielding
Film 19.
It is understood that for sensor assembly, the fingerprint signal of collection can be identified as
Correct finger print information need to rely on effectiveness and the correctness of fingerprint signal, due to fingerprint sensor mould
Again or display screen winding displacement etc. has letter near interference typically to arrange charging inlet or data-interface at block
Number circuit, additionally, fingerprint signal itself falls within interfering signal, therefore, at fingerprint sensor
Arrange electromagnetic shielding film in module can effectively prevent fingerprint signal disturbed or make fingerprint signal disturb it
His signal.
Optionally, described connecting portion is additionally provided with the process chip 17 for driving described sensor assembly,
The end of described connecting portion is additionally provided with connection end.
It is understood that key device needs the mainboard being connected to terminal just can be operated, therefore should
Can arrange a connecting portion on flexible sensor, this connecting portion is mainly used in connecting the mainboard of terminal, and this is even
The end meeting portion is connection end, may be connected directly to the mainboard of terminal, furthermore, it is contemplated that process chip work
The stability made and the environment of work, be placed in this process chip on connecting portion rather than be arranged at sensor
Module section, sensor assembly portion is due to often pressing, and the flexible PCB in sensor assembly portion there will be shape
Become, and after pressing for a long time, it is easy to cause processing coming off of chip pin, and cause fingerprint sensor
The situation that module cannot work.
Optionally, described connecting portion is positioned at described process chip and described connection end and is additionally provided with reinforcement steel
Sheet 18.
It is understood that when processing on chip setting and connecting portion, it also is contemplated that to flexible circuit
The material of plate is soft, and the pin processing chip needs to be fixed on this flexible PCB, therefore
Loosening in order to prevent, the problem such as loose contact, arranging reinforcement steel disc at reason chip in this place can be right
Strengthen at this, solve to loosen and the problem of loose contact.
Wherein, the corner at meat stuffing circuit board also is provided with reinforcement steel disc.
It is described above the key device of this utility model embodiment, employing this utility model is described below real
Execute the terminal of example key device, wherein this terminal include Fig. 1 to the key device of embodiment illustrated in fig. 4,
The becket of key device is provided with spacing shirt rim portion 121, and described terminal is provided with and described spacing shirt rim portion
Coordinate the spacing hole of fixing described key device.
Those skilled in the art is it can be understood that arrive, and for convenience and simplicity of description, above-mentioned retouches
The specific works process of the system stated, device and unit, is referred to the correspondence in preceding method embodiment
Process, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, device and
Method, can realize by another way.Such as, device embodiment described above is only shown
Meaning property, such as, the division of described unit, be only a kind of logic function and divide, actual can when realizing
There to be other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another
System, or some features can ignore, or do not perform.Another point, shown or discussed each other
Coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit
Or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole unit of person realizes the purpose of the present embodiment scheme.
Process single it addition, each functional unit in each embodiment of this utility model can be integrated in one
In unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in
In one unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ software
The form of functional unit realizes.
The above, above example is only in order to illustrate the technical solution of the utility model, rather than limits it
System；Although this utility model being described in detail with reference to previous embodiment, the common skill of this area
Art personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it,
Or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make corresponding
The essence of technical scheme departs from the spirit and scope of this utility model each embodiment technical scheme.
Claims (10)
1. a key device, it is characterised in that: described key device includes sensor assembly and is positioned at institute
State the button assembly at the sensor assembly back side, described sensor assembly overlaps sensor assembly described in limited location
Becket, be positioned at described becket and be positioned at the front of described sensor assembly and be provided with sensor cover plate,
The back side of described sensor assembly is additionally provided with the flexible PCB electrically connected with sensor assembly, described flexibility
Being additionally provided with support member on circuit board, described support member includes gripper shoe and the elasticity being connected with described gripper shoe
Supporting part, described support member is between described button assembly and flexible PCB.
Key device the most according to claim 1, it is characterised in that: described support member is that silica gel props up
Support member, described button assembly includes the switch inconsistent with described silica gel support member, described silica gel support member
Between described switch and described flexible PCB.
Key device the most according to claim 2, it is characterised in that: described switch is thin film switch,
Described silica gel support member is provided with contact part, and described contact part is inconsistent with described thin film switch.
Key device the most according to claim 1, it is characterised in that: described sensor assembly is for referring to
Stricture of vagina sensor assembly.
Key device the most according to claim 4, it is characterised in that: described fingerprint sensor module
Be shaped as kidney ellipsoid, described sensor cover plate is the aluminosilicate glass cover plate of kidney ellipsoid.
Key device the most according to any one of claim 1 to 5, it is characterised in that: described soft
Property circuit board include the internal diameter size not less than described becket radial section sensor assembly portion and for
Connect the connecting portion of mainboard.
Key device the most according to claim 6, it is characterised in that: described connecting portion and described biography
It is coated with electromagnetic shielding film on junction between sensor module portion.
Key device the most according to claim 7, it is characterised in that: it is additionally provided with on described connecting portion
For driving the process chip of described sensor assembly, the end of described connecting portion is additionally provided with connection end.
Key device the most according to claim 8, it is characterised in that: it is positioned at institute on described connecting portion
State and be additionally provided with reinforcement steel disc at process chip and described connection end.
10. a terminal, it is characterised in that: described terminal is provided with as arbitrary in claim 1 to 9
Key device described in Xiang, the becket of described key device is provided with spacing shirt rim portion, in described terminal
It is provided with the spacing hole coordinating fixing described key device with described spacing shirt rim portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307223.7U CN205609400U (en) | 2016-04-12 | 2016-04-12 | Button device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307223.7U CN205609400U (en) | 2016-04-12 | 2016-04-12 | Button device and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205609400U true CN205609400U (en) | 2016-09-28 |
Family
ID=56973050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307223.7U Expired - Fee Related CN205609400U (en) | 2016-04-12 | 2016-04-12 | Button device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205609400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11361916B2 (en) | 2019-04-22 | 2022-06-14 | Shunsin Technology (Zhong Shan) Limited | Waterproof button module and electronic device |
-
2016
- 2016-04-12 CN CN201620307223.7U patent/CN205609400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11361916B2 (en) | 2019-04-22 | 2022-06-14 | Shunsin Technology (Zhong Shan) Limited | Waterproof button module and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20200412 |