CN208861867U - A kind of press-key structure and mobile terminal - Google Patents
A kind of press-key structure and mobile terminal Download PDFInfo
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- CN208861867U CN208861867U CN201821712957.9U CN201821712957U CN208861867U CN 208861867 U CN208861867 U CN 208861867U CN 201821712957 U CN201821712957 U CN 201821712957U CN 208861867 U CN208861867 U CN 208861867U
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- key
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- sealing element
- press
- elastic sealing
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Abstract
It is bad to overcome existing mobile terminal side key water-proof structure to there is influence pressing feel, the problem of waterproof effect difference, the utility model provides a kind of press-key structure, including shell, key and FPC component, key hole is offered on the shell, the FPC component is fixedly installed on the inside of the key hole, the key can be set to movably forward and backward the outside of the key hole along the key hole, the FPC component includes FPC plate, construction of switch and elastic sealing element, the construction of switch is between the FPC plate and the elastic sealing element, the elastic sealing element is attached on the inner wall of the shell and closes the inside of the key hole, the key part passes through the key hole and is connected on the elastic sealing element.The invention also discloses the mobile terminals including above-mentioned press-key structure.Press-key structure provided by the utility model improves waterproofing grade, at the same will not the pressing feel to key have an impact.
Description
Technical field
The utility model belongs to press-key structure technical field, and in particular to a kind of press-key structure and mobile terminal.
Background technique
Portable electronic device now, such as mobile phone, usually side be provided with the sides such as power key or volume adjustment key by
Key.Mobile phone is internally provided with a large amount of electronic component, if interior of mobile phone is intake, then will affect the operation of mobile phone, or even lead
Interior of mobile phone short circuit is caused to burn out, and the position of the power key of mobile phone or volume adjustment key is to be relatively easy into the position of water, it is existing
Mobile phone side key water-proof structure be one rubber ring of all snares in key, be then packed on the outside of handset shell, make rubber
Interference fit is between circle and mobile phone side opening to form hermetic water-proof structure.However existing mobile phone is higher and higher for waterproof requirement,
Existing mobile phone side key water-proof structure is not able to satisfy the requirement of some high water protection standards, and part mobile phone is by increasing rubber
The magnitude of interference between mobile phone side opening of circle improves the waterproofing grade of mobile phone side key water-proof structure, however this kind setting can make
Go smoothly pusher side key pressing feel by large effect, and as key press number is more, rubber ring abrasion is bigger,
Waterproof effect also will receive large effect.
Utility model content
There is a problem of that influence pressing feel is bad, waterproof effect is poor for existing mobile terminal side key water-proof structure,
The utility model provides a kind of press-key structure and mobile terminal.
It is as follows that the utility model solves technical solution used by above-mentioned technical problem:
On the one hand, the utility model embodiment provides a kind of press-key structure, including shell, key and FPC component, described
Key hole is offered on shell, the FPC component is fixedly installed on the inside of the key hole, and the key can be along the key
Hole is set to the outside of the key hole movably forward and backward, and the FPC component includes FPC plate, construction of switch and elastic sealing element,
For the construction of switch between the FPC plate and the elastic sealing element, the elastic sealing element is attached at the shell
On inner wall and the inside of the key hole is closed, the key part passes through the key hole and is connected to the elastic sealing element
On, the key moves forward and backward so that elastic deformation occurs for the elastic sealing element, and the elastic sealing element carries out elastic deformation
To press the construction of switch, so that construction of switch conducting and disconnection.
It is pushed away by the way that construction of switch to be set on FPC plate by the key according to press-key structure provided by the utility model
It moves the elastic sealing element and elastic deformation occurs, then leading for the construction of switch is driven by the elastic deformation of the elastic sealing element
On and off is opened, and realizes the control function of the press-key structure, meanwhile, by the FPC plate by the elastic sealing element in precompressed
It is attached on the inner wall of the shell, the key hole is closed, to achieve the purpose that waterproof.The utility model provides
A kind of new key waterproofing design thinking, elastic sealing element is separated with key, can by increase elastic sealing element with it is described
Pressure force between inner walls to improve its waterproofing grade, while will not the pressing feel to key have an impact.
Optionally, the FPC component further includes having the first double-sided adhesive, and first double-sided adhesive is attached at the bullet on one side
On property sealing element, the another side of first double-sided adhesive is attached at the inner wall of the shell, offers on first double-sided adhesive
For avoiding the avoid holes of the key hole.
Optionally, the elastic sealing element is sheet rubber, and described open is provided on the covering of the sheet rubber FPC plate
Close the region of structure.
Optionally, the FPC component further includes having the second double-sided adhesive and FPC stiffening plate, and the FPC stiffening plate is located at described
Side of the FPC backboard from the elastic sealing element, second double-sided adhesive are attached on one side on the FPC plate, and described second
The another side of double-sided adhesive is attached in the FPC stiffening plate.
Optionally, the FPC stiffening plate is metal plate or plastic plate.
Optionally, the press-key structure further includes having support plate, and the FPC component is located at the support plate and the shell
Between, the support plate connects the shell, and the FPC component is fixed on the inner wall of the shell.
Optionally, the FPC plate includes that extraction section and multiple construction sections, the extraction section are separately connected multiple peaces
Section is filled, is provided with the construction of switch and the elastic sealing element on the construction section.
Optionally, the key hole includes interconnected guiding hole section and to be connected to hole section, the key include mutually interconnecting
Connect by key head and extending column, it is described to be slideably positioned in the guiding hole section by key head, and described at least partly reveal by key head
The guiding hole section out, the outer rim by key head are equipped with for avoiding the falling by the guiding hole section abjection by key head
Button, the extending column pass through the connection hole section, elastic sealing element described in the end abutment of the extending column.
Optionally, the construction of switch is microswitch.
On the other hand, the utility model embodiment provides a kind of mobile terminal, including press-key structure as described above.
Detailed description of the invention
Fig. 1 is the installation diagram for the press-key structure that an embodiment of the present invention provides；
Fig. 2 is the cross-sectional view in the face A-A in Fig. 1；
Fig. 3 is the explosive view for the press-key structure that an embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram of its FPC component of the press-key structure of an embodiment of the present invention offer；
Fig. 5 is the explosive view of its FPC component of the press-key structure of an embodiment of the present invention offer；
Fig. 6 is the structural schematic diagram of its key of the press-key structure of an embodiment of the present invention offer.
Appended drawing reference in Figure of description is as follows:
1, shell；11, key hole；111, it is oriented to hole section；112, it is connected to hole section；12, the first card slot；13, the second card slot；
14, connecting column；2, FPC component；21, the first double-sided adhesive；211, avoid holes；22, elastic sealing element；23, FPC plate；231, it draws
Section；232, construction section；24, the second double-sided adhesive；25, FPC stiffening plate；26, construction of switch；3, support plate；31, the first fixture block；32,
Second fixture block；33, engaging lug；4, key；41, key head is pressed；42, extending column.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in FIG. 1 to FIG. 6, an embodiment of the present invention provides a kind of press-key structure, including shell 1, key 4
With FPC component 2, key hole 11 is offered on the shell 1, the FPC component 2 is fixedly installed on the interior of the key hole 11
Side, the key 4 can be set to movably forward and backward the outside of the key hole 11 along the key hole 11, and the FPC component 2 wraps
FPC plate 23, construction of switch 26 and elastic sealing element 22 are included, the construction of switch 26 is located at the FPC plate 23 and the elasticity is close
Between sealing 22, the elastic sealing element 22 is attached on the inner wall of the shell 1 and closes the inside of the key hole 11, institute
It states key 4 to partially pass through the key hole 11 and be connected on the elastic sealing element 22, the key 4 moves forward and backward so that institute
It states elastic sealing element 22 and occurs elastic deformation, the elastic sealing element 22 carries out elastic deformation to press the construction of switch 26,
So that the conducting of construction of switch 26 and disconnection.
It is pressed by the way that construction of switch 26 to be set on FPC plate 23 by described according to press-key structure provided by the utility model
Key 4 pushes the elastic sealing element 22 that elastic deformation occurs, then opens as described in the elastic deformation driving of the elastic sealing element 22
The conducting and disconnection for closing structure 26, realize the control function of the press-key structure, by the FPC plate 23 by the elastic packing
Part 22 is closed the key hole 11, on the inner wall that precompressed is attached at the shell 1 to achieve the purpose that waterproof.
The utility model provides a kind of new key waterproofing design thinking, and elastic sealing element 22 is separated with key 4, can pass through increase
Pressure force between 1 inner wall of elastic sealing element 22 and the shell, while will not be to the pressing of key 4 to improve its waterproofing grade
Feel has an impact.
The FPC plate 23 is conducive to the patch between 1 inner wall of shell for flexible board with a thickness of 0.15~0.3mm
Attached, 23 surface of FPC plate can weld electronic component, is the card chassis of the construction of switch 26, is provided with and is used for
The route of construction of switch 26 conducting and cut-off signal is drawn, the deformable characteristic of FPC can be in inside the shell 1
Certain angle bending is drawn convenient for the signal of the construction of switch 26.
As shown in figure 5, in one embodiment, the FPC component 2 further includes having the first double-sided adhesive 21, and described first is two-sided
Glue 21 is attached on one side on the elastic sealing element 22, and the another side of first double-sided adhesive 21 is attached at the shell 1
Inner wall, offers the avoid holes 211 for avoiding the key hole 11 on first double-sided adhesive 21, and the key 4 is by outside extremely
It inside sequentially passes through the key hole 11 and the avoid holes 211 is directly connected on the elastic sealing element 22.
The shape of first double-sided adhesive 21 is adapted with the shape of the elastic sealing element 22, first double-sided adhesive 21
The surface that the elastic sealing element 22 is contacted with the inner wall of the shell 1 is covered, for the positioning of the elastic sealing element 22, separately
On the one hand, first double-sided adhesive 21 is filled between the elastic sealing element 22 and the inner wall of the shell 1, guarantees the bullet
Sealing performance between property 1 inner wall of sealing element 22 and the shell.
First double-sided adhesive 21 is preferably using the two-sided glue material with waterproof effect.
In one embodiment, the elastic sealing element 22 is sheet rubber, is set on the covering of the sheet rubber FPC plate 23
It is equipped with the region of the construction of switch 26.
On the one hand, the sheet rubber avoids external moisture to the construction of switch 26 for closing the construction of switch 26
Influence, on the other hand, the sheet rubber is used to close the key hole 11 of the shell 1, and the sheet rubber can be according to the shell
The radian of 1 inner wall of body forms certain adaptability deformation, and external moisture is avoided to enter inside the shell 1.
Specifically, the various shapes such as rectangle sheet, disc-shaped can be selected in the sheet rubber.
It should be noted that in other embodiments, other can also be used with elastic packing in the elastic sealing element 22
The material of effect.
In one embodiment, the FPC component 2 further includes having the second double-sided adhesive 24 and FPC stiffening plate 25, and the FPC adds
Strong plate 25 is located at the side that the FPC plate 23 deviates from the elastic sealing element 22, and second double-sided adhesive 24 is attached on one side
On the FPC plate 23, the another side of second double-sided adhesive 24 is attached in the FPC stiffening plate 25.
The FPC stiffening plate 25 is used to carry out structural strengthening to the FPC plate 23, when preventing FPC 23 welding component of plate
Rosin joint occurs, avoids the crimped effect during installation of FPC plate 23, the FPC plate 23 is avoided to be provided with the construction of switch 26
In stress, deformation occurs in region, guarantee the stability of pressing effect, second double-sided adhesive 24 is for reinforcing the FPC
Plate 25 is attached on the FPC plate 23.
In one embodiment, the FPC stiffening plate 25 is metal plate or plastic plate.
Specifically, the FPC stiffening plate 25 is the stainless steel plate of 0.1mm or the sheet of 0.2mm.
In the press-key structure, the needs of elastic sealing element 22 generate certain precompressed to the inner wall of the shell 1
Power, to guarantee its sealing effect.
In one embodiment, the precompression of the elastic sealing element 22 can be provided by the FPC plate 23, i.e., the described elasticity is close
Sealing 22 is between the FPC plate 23 and the shell 1, directly by the FPC plate 23 or the fixed company of the FPC stiffening plate 25
It is connected on the inner wall of the shell 1, to be pressed in advance to the elastic sealing element 22 on the inner wall of the shell 1.
As shown in figure 3, in one embodiment, the press-key structure further includes having support plate 3, the FPC component 2 is located at institute
It states between support plate 3 and the shell 1, the support plate 3 connects the shell 1, the FPC component 2 is fixed on described
On the inner wall of shell 1.
The FPC component 2 is fixed on the inner wall of the shell 1 by the support plate 3, realizes the FPC component 2
Installation fix, avoid falling off for the FPC component 2, and then precompression is generated to the elastic sealing element 22.
Specifically, the both ends of the support plate 3 are respectively arranged with the first fixture block 31 and the second fixture block 32, the shell 1
Inner wall is provided with the first card slot 12 and the second card slot 13, institute in the position of correspondence first fixture block 31 and second fixture block 32
The first fixture block 31 to be stated to snap connection with first card slot 12, second fixture block 32 is snapped connection with second card slot 13,
The support plate 3 is equipped with engaging lug 33 away from the side of the FPC component 2, and the position of the engaging lug 33 is corresponded in the shell 1
It installs and is equipped with connecting column 14, the engaging lug 33 is passed through by setting screw and is connected on the connecting column 14, the support plate 3
There are the gaps for accommodating the FPC component 2 between the inner wall of the shell 1.
As shown in figure 5, in one embodiment, the FPC plate 23 includes to draw section 231 and multiple construction sections 232, described
It draws section 231 and is separately connected multiple construction sections 232, the construction of switch 26 and described is provided on the construction section 232
Elastic sealing element 22.
The construction section 232 forms integral structure, the extraction with the elastic sealing element 22 and the FPC stiffening plate 25
Section 231 can need to carry out deviation according to the space inside shell 1, in the present embodiment, the 232 place plane of construction section and institute
The inner wall for stating shell 1 is parallel, and the 231 place plane of extraction section and the 232 place plane of construction section are perpendicular.
Multiple constructions of switch 26 are for generating different control signals.
The single settable single construction of switch 26 of construction section 232 or multiple constructions of switch 26, single institute
It states elastic sealing element 22 and covers the single construction section 232.
As shown in Fig. 2, in one embodiment, the key hole 11 includes interconnected guiding hole section 111 and intercommunicating pore
Section 112, the key 4 includes interconnected by key head 41 and extending column 42, described to be slideably positioned in described lead by key head 41
Into hole section 111, and it is described at least partly expose the guiding hole section 111 by key head 41, the outer rim by key head 41 is equipped with
For avoiding the back-off deviate from by key head 41 by the guiding hole section 111, the extending column 42 passes through the connection hole section
112, elastic sealing element 22 described in the end abutment of the extending column 42.
Specifically, the key 4 is strip key, the back-off is that rubber is buckled to, and the quantity of the back-off is 4,4
It is described to be buckled to the two sides for being symmetrically disposed on the key 4.
In one embodiment, the construction of switch 26 is microswitch.The pressing stroke of the microswitch be 0.2~
0.5 millimeter, length is 3~5 millimeters, with a thickness of 0.3~1 millimeter；It works suitable for low current.
Another embodiment of the utility model discloses a kind of mobile terminal, including press-key structure as described above.
Waterproofness existing for existing mobile terminal can be solved the problems, such as by above-mentioned press-key structure, guarantee the pressing of press-key structure
Feel.
It should be noted that the mobile terminal refers to the portable electronic devices such as mobile phone, tablet computer.
The press-key structure can also be applied to other electronics fields in addition to mobile terminals, specifically, described press
Bond structure can be applied in all kinds of precise electronic electric appliances and instrument and meter.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of press-key structure, which is characterized in that including shell, key and FPC component, key hole is offered on the shell,
The FPC component is fixedly installed on the inside of the key hole, and the key can be set to movably forward and backward along the key hole
The outside of the key hole, the FPC component include FPC plate, construction of switch and elastic sealing element, and the construction of switch is located at institute
State between FPC plate and the elastic sealing element, the elastic sealing element be attached on the inner wall of the shell and close it is described by
The inside of keyhole, the key part pass through the key hole and are connected on the elastic sealing element, the key anteroposterior position
It moves so that elastic deformation occurs for the elastic sealing element, the elastic sealing element carries out elastic deformation to press the switch knot
Structure, so that construction of switch conducting and disconnection.
2. press-key structure according to claim 1, which is characterized in that the FPC component further includes having the first double-sided adhesive, institute
Being attached on the elastic sealing element on one side for the first double-sided adhesive is stated, the another side of first double-sided adhesive is attached at the shell
Inner wall, the avoid holes for avoiding the key hole are offered on first double-sided adhesive.
3. press-key structure according to claim 1, which is characterized in that the elastic sealing element is sheet rubber, the rubber
The region of the construction of switch is provided on the covering FPC plate of piece.
4. press-key structure according to claim 1, which is characterized in that the FPC component further include have the second double-sided adhesive and
FPC stiffening plate, the FPC stiffening plate are located at the side of the FPC backboard from the elastic sealing element, second double-sided adhesive
It is attached on the FPC plate on one side, the another side of second double-sided adhesive is attached in the FPC stiffening plate.
5. press-key structure according to claim 4, which is characterized in that the FPC stiffening plate is metal plate or plastic plate.
6. press-key structure according to claim 1, which is characterized in that the press-key structure further includes having support plate, described
For FPC component between the support plate and the shell, the support plate connects the shell, and the FPC component is consolidated
Due on the inner wall of the shell.
7. press-key structure according to claim 1, which is characterized in that the FPC plate includes to draw section and multiple installations
Section, the extraction section are separately connected multiple construction sections, are provided with the construction of switch and the elasticity on the construction section
Sealing element.
8. press-key structure according to claim 1, which is characterized in that the key hole includes interconnected guiding hole section
Be connected to hole section, the key includes interconnected by key head and extending column, described to be slideably positioned in the guiding by key head
In hole section, and it is described at least partly expose the guiding hole section by key head, the outer rim by key head is equipped with described for avoiding
By key head by the back-off of the guiding hole section abjection, the extending column passes through the connection hole section, and the end of the extending column is supported
Connect the elastic sealing element.
9. press-key structure according to claim 1, which is characterized in that the construction of switch is microswitch.
10. a kind of mobile terminal, which is characterized in that including the press-key structure as described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821712957.9U CN208861867U (en) | 2018-10-22 | 2018-10-22 | A kind of press-key structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821712957.9U CN208861867U (en) | 2018-10-22 | 2018-10-22 | A kind of press-key structure and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208861867U true CN208861867U (en) | 2019-05-14 |
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ID=66421325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821712957.9U Active CN208861867U (en) | 2018-10-22 | 2018-10-22 | A kind of press-key structure and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208861867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233921A (en) * | 2019-07-31 | 2019-09-13 | 宇龙计算机通信科技(深圳)有限公司 | A kind of button assembly and mobile phone of handheld device |
-
2018
- 2018-10-22 CN CN201821712957.9U patent/CN208861867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233921A (en) * | 2019-07-31 | 2019-09-13 | 宇龙计算机通信科技(深圳)有限公司 | A kind of button assembly and mobile phone of handheld device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: No. 3009, BYD Road, Pingshan District, Shenzhen City, Guangdong Province Patentee after: BYD Co.,Ltd. Patentee after: Changsha BYD Electronic Co., Ltd Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
|
| TR01 | Transfer of patent right |