CN206178885U - Fingerprint module and mobile terminal - Google Patents
Fingerprint module and mobile terminal Download PDFInfo
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- CN206178885U CN206178885U CN201621220622.6U CN201621220622U CN206178885U CN 206178885 U CN206178885 U CN 206178885U CN 201621220622 U CN201621220622 U CN 201621220622U CN 206178885 U CN206178885 U CN 206178885U
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- ring body
- inner ring
- fingerprint module
- flexible pcb
- liquid glue
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Abstract
An embodiment of the utility model provides a fingerprint module, include: fingerprint button, flexible circuit board, waterproof silicone cover and support, the fingerprint button sets up on the flexible circuit board, the flexible circuit board setting is sheathe in at waterproof silicone, the waterproof silicone cover includes: the interior snare body and the outer snare body, the interior snare body and flexible circuit board contact including, the snare personally experience sth. Part of the body and the flexible circuit board between gap department set up first liquid glue film to gap in sealed between the snare body and the flexible circuit board, the waterproof silicone cover sets up on the support, and the first surface of the outer snare body and the surface contact of support set up the gum layer on the second surface that outer snare was personally experienced sth. Part of the body, and the first surface of the outer snare body is relative with the second surface of the outer snare body, and the second surface of the outer snare body is used for contacting with mobile terminal's lid. The embodiment of the utility model provides a still provide a mobile terminal. The embodiment of the utility model provides a through setting up first liquid state and gum, can avoid the feed liquor to cause the damage to the device with easily producing the local sealed of gap.
Description
Technical field
The utility model is related to fingerprint module technical field, more particularly to a kind of fingerprint module and mobile terminal.
Background technology
Current fingerprint module is often combined with press-key structure design, and press-key structure needs to realize the function of pressing,
Thus movable gap must be left in design.Therefore the structure design of fingerprint module is higher to liquid-proof requirement, it is necessary to ensure to press
In the case of the young normal pressing function of key pot, it is impossible to enough allow liquid (sweat, rainwater etc.) to reach mainboard inside mobile terminal etc.
Primary Component position, and then influence the whole machine of mobile terminal to use function.
The main feed liquor path of above-mentioned fingerprint module has：A, from the quoit (Bezel) and touch screen cover plate of fingerprint module it
Between feed liquor；B, fingerprint module quoit (Bezel) feed liquor and ceramic cover plate between from fingerprint module.
Utility model content
The utility model embodiment provides a kind of fingerprint module, to solve the easy feed liquor of fingerprint module of the prior art
Problem.
The utility model embodiment also provides a kind of mobile terminal, to solve the fingerprint module of the mobile terminal of prior art
Easy feed liquor problem.
A kind of first aspect, there is provided fingerprint module, for mobile terminal, the fingerprint module includes：Fingerprint button, flexibility
Circuit board, water-proof silica-gel set and support, the fingerprint button are arranged on the flexible PCB；The flexible PCB is set
On water-proof silica-gel set；The water-proof silica-gel set includes：Inner ring body and outer ring body, the inner ring body are soft with described
Property circuit board contacts, at the gap between the inner ring body and the flexible PCB set the first liquid glue-line, with close
The gap sealed between the inner ring body and the flexible PCB；The water-proof silica-gel is set on the support, described
The first surface of outer ring body is contacted with the surface of the support, sets gum layer on the second surface of the outer ring body, institute
The first surface for stating outer ring body is relative with the second surface of the outer ring body, the second surface of the outer ring body be used for
The lid contact of the mobile terminal.
A kind of second aspect, there is provided mobile terminal, including：Above-mentioned fingerprint module.
So, in the utility model embodiment, by between the inner ring body and flexible PCB that are covered in water-proof silica-gel
First liquid glue-line is set at gap, and gum layer is set on the second surface of outer ring body in water-proof silica-gel set, can be by
It is also easy to produce the place sealing in gap, it is to avoid feed liquor causes to damage to device, influences the use of fingerprint module.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below by the utility model embodiment
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only new this practicality
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the profile of the fingerprint module of the utility model embodiment；
Fig. 2 is the structural representation of the water-proof silica-gel set of the fingerprint module of the utility model embodiment；
Fig. 3 is the structural representation of the flexible PCB of the fingerprint module of the utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
The utility model embodiment provides a kind of fingerprint module.The fingerprint module of the embodiment is used for mobile terminal.Such as
Shown in Fig. 1~3, the fingerprint module of the embodiment includes：Fingerprint button 1, flexible PCB 2, water-proof silica-gel cover 3 and support 4.
Wherein, fingerprint button 1 is arranged on flexible PCB 2.Flexible PCB 2 is arranged on water-proof silica-gel set 3.
Water-proof silica-gel set 3 includes：Inner ring body 31 and outer ring body 32.Wherein, inner ring body 31 connects with flexible PCB 2
Touch and set.Therefore, gap can be produced between inner ring body 31 and flexible PCB 2；Also, in the process of pressing fingerprint button 1
In, water-proof silica-gel set 3 is extruded one deformation force of generation, it is possible to increase the gap.In order to avoid from the gap feed liquor,
The first liquid glue is coated at gap between inner ring body 31 and flexible PCB 2 to form the first liquid glue-line, with sealing
Gap between snare body 31 and flexible PCB 2.
Water-proof silica-gel set 3 is arranged on support 4.The first surface of outer ring body 32 is contacted with the surface of support 4, outer snare
Gum layer 6 is set on the second surface of body 32.The first surface of outer ring body 32 is relative with the second surface of outer ring body 32.Outward
The second surface of snare body 32 is used to be contacted with the lid of mobile terminal.When the lid of mobile terminal is crimped on outer ring body 32
When on second surface, the easy feed liquor in gap between the lid of mobile terminal and the contact surface of outer ring body 32, therefore, the back of the body is set
Glue-line 6 closely paste mobile terminal lid and outer ring body 32 second surface, it is to avoid produce gap, can effectively prevent into
Liquid.
The fingerprint module of the utility model embodiment at the gap between inner ring body 31 and flexible PCB 2 by setting
The first liquid glue-line is put, and gum layer 6 is set on the second surface of outer snare body 32, can will be also easy to produce the local close of gap
Envelope, it is to avoid feed liquor causes to damage to device, influences the use of fingerprint module.
Preferably, the fingerprint module also includes：Stiffening plate 5, stiffening plate 5 includes the Part I contacted with inner ring body 31
With the Part II wrapped up by flexible PCB 2.Wherein, the Part II of the stiffening plate 5 for being wrapped up by flexible PCB 2 is arranged at
Between water-proof silica-gel set 3 and fingerprint button 1, easily become under pressing force due to its pliability for solving flexible PCB 2
Shape or impaired problem, improve the intensity of plugging position, facilitate the overall package of product.
Specifically, through hole one, the number of through hole are provided between the either end and outer ring body 32 of above-mentioned inner ring body 31
It is not limited thereto；The middle part of inner ring body 31 is additionally provided with through hole two.It is connected with fingerprint button 1 on flexible PCB 2
One end extends along the first surface of outer ring body 32 and the first surface of inner ring body 31 first, bending for the first time and from interior snare
The through hole two of body 31 is passed, and the angle of the bending for the first time is 1 °~90 °, preferably 45 °；The through hole is covered after bending for second
Two, and continue second surface extension of the direction before bending for the first time along inner ring body 31, it is 1 ° to be somebody's turn to do second angle of bending
~90 °, preferably 45 °；Extend to above-mentioned through hole for the moment, the third time of flexible PCB 2 bends, the angle of third time bending is
91 °~180 °, preferably 180 °, the transition ring that the third time of flexible PCB 2 is bent to form is arranged at the through hole one；Flexible circuit
The opposite direction towards before being bent with third time of plate 2 extends along the bottom surface of fingerprint button 1, and contacts company with the bottom surface of fingerprint button 1
Connect；So far, the stiffening plate 5 of Part II is wrapped up and is arranged between water-proof silica-gel set 3 and fingerprint button 1 by flexible PCB 2.
Wherein, part before being bent for the first time due to flexible PCB 2 along outer ring body 32 first surface and inner ring body 31 the
The contact of one surface extends so that the corresponding part of stiffening plate 5 of the partially flexible circuit board 2 can not be wrapped completely, therefore the portion
Second surface of the first surface of stiffening plate 5 directly with inner ring body 31 is divided to contact.Wherein, the first surface of inner ring body 31 with
The second surface of inner ring body 31 is relative.
To avoid contact with the gap feed liquor in face, first surface and the inner ring body of the Part I stiffening plate 5 for contacting with each other
The second liquid glue is coated between 31 second surface to form the second liquid glue-line 7, it is ensured that the second surface of inner ring body 31 with
The first surface of stiffening plate 5 is fully pasted, and in the case where producing line normally assembles attaching process, can effectively prevent feed liquor.
Preferably, the through hole two after being bent for the first time due to flexible PCB 2 from water-proof silica-gel set 3 is passed, therefore, applying
When covering the first liquid glue, it is not coated by by the gap between the partially flexible circuit board 21 and the madial wall of through hole two of through hole two
First liquid glue, i.e., the gap between the partially flexible circuit board 21 for being passed from through hole two and the madial wall of through hole two lacks the first liquid
State glue-line；And by the partially flexible circuit board 21 of through hole two except the one side contacted with the madial wall of through hole two, other sides
Face contacts with water-proof silica-gel set 3 and the first liquid glue of coating is required at the gap for being formed to form the first liquid glue-line.This first
It is, in order to avoid the first liquid glue is spilt on other devices, to influence making for other devices that liquid glue is not coated by above-mentioned position
With.
Preferably, the first liquid glue-line is silica gel liquid glue-line, and it is the silicone fluid of Fuller FH1007 that the trade mark for example may be selected
State glue.Common solid-state glue or liquid glue are difficult to paste with water-proof silica-gel set 3, the silica gel of the utility model embodiment prioritizing selection
Liquid glue, using the similar principle that mixes of silica gel system, and silica gel liquid glue is good with stiffening plate 5 also sticking effect, works as silicon
Glue liquid glue can also play a part of bonding and reinforcing plate 5 and water-proof silica-gel set 3 when spilling at stiffening plate 5.Additionally, silica gel liquid glue
It is liquid in coating, with certain permeability, water-proof silica-gel set 3 and flexible PCB 2, even reinforcement can be effectively ensured
Filled by the infiltration of silica gel liquid glue and sealed in gap between plate 5, it is ensured that the uniformity of liquid-proof.
It is furthermore preferred that the coating width of the first liquid glue-line is 0.6~1.2mm.Inner ring body 31 and flexible PCB 2
Between gap typically with 0.5mm width, therefore, in order to be better achieved sealing liquid-proof effect, select the first liquid glue
The coating width of layer is 0.6~1.2mm, it is ensured that gap is completely covered, and will not be wide due to coating width, influences it
The setting of his device and use.
Preferably, gum layer 6 is layers of two-sided, such as the optional trade mark is the double faced adhesive tape of imperial crown 7982.It is by double faced adhesive tape
The second surface of the lid of mobile terminal and outer ring body 31 can tightly be pasted.It is furthermore preferred that the thickness of gum layer 6 is 0.04
~0.06mm, preferably 0.05mm.The gum layer 6 of the thickness not only can guarantee that effective sealing, and will not be because of thickness mistake
Cause greatly it is uneven so as to produce new gap, also will not because of thickness it is excessive influence the fingerprint module in the narrow and small of mobile terminal
Installation in space.
Preferably, the second liquid glue-line 7 is anti-sweat state glue-line, such as the optional trade mark is the anti-sweat of Anyone A8100RT
Liquid glue.Because the first surface of the Part I stiffening plate 5 for contacting with each other covers the second of 3 inner ring body 31 with water-proof silica-gel
Easily enter sweat between surface, so select anti-sweat liquid glue herein, sweat can be avoided to water-proof silica-gel set 3 and stiffening plate 5
Corrode.It is furthermore preferred that the thickness of the second liquid glue-line 7 is 0.08~0.12mm.Second liquid glue-line 7 of the thickness can not only be protected
The effective sealing of card, and will not because of thickness it is excessive cause it is uneven so as to produce new gap, also will not be because of thickness mistake
The installation of the fingerprint module in the small space of mobile terminal is influenceed greatly.
To sum up, the fingerprint module of the utility model embodiment, by inner ring body 31 and flexible electrical that 3 are covered in water-proof silica-gel
It is the first liquid glue-line of silica gel liquid glue that material is set at gap between road plate 2, based on silica gel liquid glue and water-proof silica-gel
Good similar intermiscibility between set 3, can effectively prevent feed liquor at the gap between inner ring body 31 and flexible PCB 2；
Gum layer 6 is set on the second surface of the outer ring body 32 of water-proof silica-gel set 3, is installed in the terminal in the fingerprint module
When, produce gap feed liquor between the contact surface of the second surface of outer ring body 32 and the lid of mobile terminal can be prevented；Mutual
Material is set between the second surface of the inner ring body 31 of first surface and the water-proof silica-gel set 3 of the Part I stiffening plate 5 of contact
Matter is the second liquid glue-line 7 of anti-sweat liquid glue, can effectively prevent liquid, particularly sweat, into this at and corrode in snare
Body 31 and stiffening plate 5.
The utility model embodiment provides a kind of mobile terminal.The mobile terminal can be but not limited to mobile phone, flat board
Computer, MP3/MP4, intelligent watch, Intelligent bracelet, personal digital assistant (Personal Digital Assistant, PDA),
Vehicle-mounted computer etc..
The mobile terminal includes above-mentioned fingerprint module.The concrete structure of fingerprint module see above-described embodiment, herein
Repeat no more.
The anti-feed liquor treatment in above-described embodiment is taken due to the fingerprint module of the mobile terminal, therefore, the movement end
The fingerprint module at end has good anti-feed liquor effect, it is to avoid feed liquor causes to damage to device, the influence whole machine of mobile terminal
Use, lifting user improves competitiveness of the mobile terminal in similar-type products using the satisfaction of the mobile terminal.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to solution
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model scope of embodiments.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also includes being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right
The protection domain asked is defined.
Claims (11)
1. a kind of fingerprint module, for mobile terminal, it is characterised in that the fingerprint module includes：Fingerprint button, flexible circuit
Plate, water-proof silica-gel set and support,
The fingerprint button is arranged on the flexible PCB；
The flexible PCB is arranged on the water-proof silica-gel and puts；
The water-proof silica-gel set includes：Inner ring body and outer ring body, the inner ring body are contacted with the flexible PCB,
At gap between the inner ring body and the flexible PCB set the first liquid glue-line, with seal the inner ring body and
Gap between the flexible PCB；
The water-proof silica-gel is set on the support, and first surface and the surface of the support of the outer ring body connect
Touch, gum layer, the first surface of the outer ring body and the outer ring body are set on the second surface of the outer ring body
Second surface is relative, and the second surface of the outer ring body is used to be contacted with the lid of the mobile terminal.
2. fingerprint module according to claim 1, it is characterised in that
Also include：Stiffening plate, the stiffening plate includes the Part I contacted with the inner ring body；Wherein, Part I is mended
The first surface of strong plate is contacted with the second surface of the inner ring body, the first surface of the Part I stiffening plate with it is described
Second liquid glue-line is set between the second surface of inner ring body.
3. fingerprint module according to claim 2, it is characterised in that：
The stiffening plate is also comprising the Part II wrapped up by the flexible PCB；
Through hole one, the middle part of the inner ring body are provided between the either end of the inner ring body and the outer ring body
Through hole two is additionally provided with, the first surface of the inner ring body is relative with the second surface of the inner ring body；
Prolong along the first surface of the outer ring body and the first surface of the inner ring body one end on the flexible PCB
Stretch, bend for the first time and passed from the through hole two, the angle of the first time bending is 1 °~90 °；Edge after bending for second
The second surface of the inner ring body extends, and the angle of second bending is 1 °~90 °；The flexible PCB is extended to
The through hole carries out third time bending for the moment, and the angle of the third time bending is 91 °~180 °；The flexible PCB is along institute
The bottom surface for stating fingerprint button extends and is connected with the bottom surface contact of the fingerprint button；
The Part II stiffening plate wrapped up by the flexible PCB is arranged between water-proof silica-gel set and fingerprint button.
4. fingerprint module according to claim 3, it is characterised in that：From the partially flexible wiring board that the through hole two is passed
The first liquid glue-line is lacked with the gap between the madial wall of through hole two.
5. fingerprint module according to claim 1, it is characterised in that：The first liquid glue-line is silica gel liquid glue-line.
6. fingerprint module according to claim 1, it is characterised in that：The coating width of the first liquid glue-line is 0.6
~1.2mm.
7. fingerprint module according to claim 1, it is characterised in that：The gum layer is double faced adhesive tape.
8. fingerprint module according to claim 1, it is characterised in that：The thickness of the gum layer is 0.04~0.06mm.
9. fingerprint module according to claim 2, it is characterised in that：The second liquid glue-line is anti-sweat state glue-line.
10. fingerprint module according to claim 2, it is characterised in that：The thickness of the second liquid glue-line be 0.08~
0.12mm。
A kind of 11. mobile terminals, it is characterised in that including：Fingerprint module as described in any one of claim 1~10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220622.6U CN206178885U (en) | 2016-11-11 | 2016-11-11 | Fingerprint module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220622.6U CN206178885U (en) | 2016-11-11 | 2016-11-11 | Fingerprint module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178885U true CN206178885U (en) | 2017-05-17 |
Family
ID=58684698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621220622.6U Active CN206178885U (en) | 2016-11-11 | 2016-11-11 | Fingerprint module and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206178885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831324A (en) * | 2018-07-19 | 2018-11-16 | 京东方科技集团股份有限公司 | A kind of terminal |
| CN109934073A (en) * | 2017-12-19 | 2019-06-25 | 华为终端有限公司 | The component and assemble method, electronic equipment of fingerprint mould group |
| US11393243B2 (en) | 2017-10-27 | 2022-07-19 | Huawei Technologies Co., Ltd. | Structural component, electronic apparatus, and fingerprint module assembly method |
-
2016
- 2016-11-11 CN CN201621220622.6U patent/CN206178885U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11393243B2 (en) | 2017-10-27 | 2022-07-19 | Huawei Technologies Co., Ltd. | Structural component, electronic apparatus, and fingerprint module assembly method |
| CN109934073A (en) * | 2017-12-19 | 2019-06-25 | 华为终端有限公司 | The component and assemble method, electronic equipment of fingerprint mould group |
| CN109934073B (en) * | 2017-12-19 | 2021-04-09 | 华为终端有限公司 | Fingerprint module assembly, fingerprint module assembly method and electronic equipment |
| CN108831324A (en) * | 2018-07-19 | 2018-11-16 | 京东方科技集团股份有限公司 | A kind of terminal |
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