CN208489140U - 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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- CN208489140U CN208489140U CN201821281176.9U CN201821281176U CN208489140U CN 208489140 U CN208489140 U CN 208489140U CN 201821281176 U CN201821281176 U CN 201821281176U CN 208489140 U CN208489140 U CN 208489140U
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- steel disc
- reinforcement steel
- circuit board
- flexible circuit
- metal dome
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Abstract
The utility model discloses a kind of press-key structure and mobile terminals, comprising: flexible circuit board, the first reinforcement steel disc, the second reinforcement steel disc and metal dome；The flexible circuit board is set under press section, the first reinforcement steel disc is set on the flexible circuit board and connect with the ground terminal of the flexible circuit board power on signal network, and the second reinforcement steel disc is set on the flexible circuit board and connect with the incoming end of flexible circuit board power on signal network；One end of the metal dome is fixedly installed on one of reinforcement steel disc.When people press the press section on flexible circuit board, flexible circuit board and reinforcement steel disc are depressed and be displaced, deformation occurs under the pressing of reinforcement steel disc for metal dome, the other end of metal dome is contacted with the reinforcement steel disc of the other end on flexible circuit board, ground terminal and incoming end on flexible circuit board are realized by metal dome to be connected, and piezoelectric signal is pressed in triggering.
Description
Technical field
The utility model relates to technical field of key more particularly to a kind of press-key structures and mobile terminal.
Background technique
With the development of technology and the improvement of people ' s living standards, mobile terminal be increasingly becoming people life in cannot
The a part lacked, people are usually communicated with mobile terminal, learnt, worked and entertained, such as smart phone, plate electricity
The mobile terminals such as brain and laptop.
In order to facilitate the interaction between people and mobile terminal, control of the people to mobile terminal is realized, on mobile terminal
It is typically provided with the press-key structure that pressing is touched for people.In general, press-key structure on existing mobile terminal in addition to
The control to mobile terminal can be realized by pressing, additionally it is possible to carry out fingerprint recognition.It is existing in order to realize above-mentioned function
Press-key structure generallys use Rigid Flex as main structure, and other structures are arranged to be configured on Rigid Flex
Complete structure.
However, Rigid Flex production process is various, production difficulty is big, and yields is lower, and thrown material, manpower are more,
Therefore, price is somewhat expensive, and press-key structure will lead to higher cost using Rigid Flex.
Utility model content
The utility model discloses a kind of press-key structure and mobile terminals, adopt for solving press-key structure in the prior art
The technical issues of using Rigid Flex to lead to higher cost as main structure.
In a first aspect, a kind of press-key structure provided by the utility model, comprising:
Flexible circuit board, the first reinforcement steel disc, the second reinforcement steel disc and metal dome；
The flexible circuit board is set under press section, and the first reinforcement steel disc is set on the flexible circuit board simultaneously
It is connect with the ground terminal of the flexible circuit board power on signal network, the second reinforcement steel disc is set to the flexible circuit board
Above and with the incoming end of flexible circuit board power on signal network it connect；
One end of the metal dome is fixedly installed on the first reinforcement steel disc, and the other end of the metal dome is located at institute
It states below the second reinforcement steel disc,
Or
One end of the metal dome is fixedly installed on the second reinforcement steel disc, and the other end of the metal dome is located at institute
It states below the first reinforcement steel disc；
When the press section is not pressed, the other end of the metal dome not with the first reinforcement steel disc or described
The contact of two reinforcement steel discs；When the press section is pressed, the metal dome generate deformation and the other end of the metal dome with
The first reinforcement steel disc or the second reinforcement steel disc contact.
Optionally, two panels the first reinforcement steel disc, two panels the first reinforcement steel disc point are provided on the flexible circuit board
It is not set to the both ends of the second reinforcement steel disc；
The both ends of the metal dome are fixedly installed on respectively on the first reinforcement of two panels steel disc, the middle part of the metal dome
It arches upward, and only generates deformation when the press section is depressed and contacted with the second reinforcement steel disc.
Optionally, the first reinforcement steel disc and the second reinforcement steel disc are attached at the flexible circuit by conducting resinl
On plate.
Optionally, one end of the metal dome is attached or is welded in the first reinforcement steel disc or described the by conducting resinl
On two reinforcement steel discs.
Optionally, the press section is pressing keycap or fingerprint recognition chip.
Second aspect, a kind of mobile terminal provided by the utility model, comprising: terminal body, the mobile terminal
Press-key structure described in first aspect is provided on ontology.
As can be seen from the above technical solutions, the utility model has the advantage that
Main structure of the flexible circuit board as press-key structure, and the telecommunications on flexible circuit board are used in the utility model
The ground terminal and incoming end of number network are correspondingly arranged on reinforcement steel disc, and pot son is wherein fixedly installed on the reinforcement steel disc of one end
Piece, when people press the press section on flexible circuit board, flexible circuit board and reinforcement steel disc are depressed and be displaced, pot
Deformation occurs under the pressing of reinforcement steel disc for young piece, the reinforcement steel disc of the other end on the other end and flexible circuit board of metal dome
It contacts, the ground terminal and incoming end on flexible circuit board are realized by metal dome to be connected, and piezoelectric signal is pressed in triggering, and realization is by voltage-controlled
Function processed.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of side view of press-key structure provided by the embodiment of the utility model；
Fig. 2 is side view when a kind of press-key structure provided by the embodiment of the utility model is pressed；
Fig. 3 is the side view of another press-key structure provided by the embodiment of the utility model；
Fig. 4 is side view when another press-key structure provided by the embodiment of the utility model is pressed.
Specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Referring to Fig. 1, Fig. 1 is a kind of side view of press-key structure provided by the embodiment of the utility model.
A kind of press-key structure provided by the embodiment of the utility model, comprising:
Flexible circuit board 1 (full name in English: Flexible Printed Circuit, English abbreviation: FPC), the first reinforcement
Steel disc 2, the second reinforcement steel disc 3 and metal dome 4；It should be noted that flexible circuit board 1 may be also generally referred to as soft board, be with
Polyimides or polyester film are that one kind made of substrate has height reliability, and excellent flexible printed circuit has
The feature that Distribution density is high, light-weight, thickness is thin, bending is good.Metal dome 4 (also known as metal clips) uses stainless steel material system
At having the advantages that contact is steady, conduction is strong, rebound is stable and feel is all good.
The flexible circuit board 1 can be set under press section 5, and the first reinforcement steel disc 2 is set to the flexible electrical
It is connect on road plate 1 and with the ground terminal of the 1 power on signal network of flexible circuit board, the second reinforcement steel disc 3 is set to institute
It states on flexible circuit board 1 and is connect with the incoming end of 1 power on signal network of flexible circuit board.It is understood that press section 5 has
Body can be set on the outside of mobile terminal for pressing keycap or fingerprint recognition chip, press section 5, the shell with mobile terminal
It is integrally formed.For example, the fingerprint on key or laptop below the main key of mobile phone screen lower end, IPAD screen is pressed
Key.
One end of the metal dome 4 is fixedly installed on the first reinforcement steel disc 2, the other end position of the metal dome 4
Below the second reinforcement steel disc 3,
Or
One end of the metal dome 4 is fixedly installed on the second reinforcement steel disc 3, the other end position of the metal dome 4
In 2 lower section of the first reinforcement steel disc.When the press section 5 is not pressed, the other end of the metal dome 4 is not with described
One reinforcement steel disc 2 or the second reinforcement steel disc 3 contact；When the press section 5 is pressed, the metal dome 4 generates deformation
And the other end of the metal dome 4 is contacted with the 2 or described second reinforcement steel disc 3 of the first reinforcement steel disc.It is understood that
The main function of metal dome 4 be occur elastic deformation when depressed, and both ends respectively with the first reinforcement steel disc 2 and
The electrical connection of second reinforcement steel disc 3, realizes the conducting between the first reinforcement steel disc 2 and the second reinforcement steel disc 3.Therefore, this is practical new
One end of metal dome 4 is fixed on the first reinforcement steel disc 2 or the second reinforcement steel disc 3 in type embodiment, and other end is then set
It is placed in the lower section of another reinforcement steel disc.As shown in Figure 1, it is not depressed under normal circumstances, metal dome 4 is only and wherein
One reinforcement steel disc contact；As shown in Fig. 2, being side view when a kind of press-key structure provided by the embodiment of the utility model is pressed
Figure, when press section 5 is depressed, 4 deformation of metal dome is simultaneously in contact with two reinforcement steel discs, realizes between two reinforcement steel discs
Conducting, touch flexible circuit board 1 on electric signal, execute corresponding key command.
Main structure of the flexible circuit board 1 as press-key structure is used in the utility model, and is powered in flexible circuit board 1
The ground terminal and incoming end of signal network are correspondingly arranged on reinforcement steel disc, and are wherein fixedly installed pot on the reinforcement steel disc of one end
Young piece 4, when people press flexible circuit board 1 on press section 5 when, flexible circuit board 1 and reinforcement steel disc it is depressed and
Displacement, deformation occurs under the pressing of reinforcement steel disc for metal dome 4, the other end and the other end on flexible circuit board 1 of metal dome 4
The contact of reinforcement steel disc, ground terminal and incoming end on flexible circuit board 1 realize conducting, triggering pressing telecommunications by metal dome 4
Number, realize pressing control function.Due to having given up Rigid Flex in press-key structure, and flexible circuit board 1 is used to be used as key
The main structure of structure, reduces costs, and press-key structure provided in the utility model embodiment is used more widely.
Optionally, as shown in figure 3, being the side view of another press-key structure provided by the embodiment of the utility model, in order to
Guarantee the rebound dynamics of metal dome 4 and the stability of structure, the benefit of two panels first is also provided on the flexible circuit board 1
Strong steel disc 2, the first reinforcement of two panels steel disc 2 are respectively arranged at the both ends of the second reinforcement steel disc 3；The metal dome 4
Both ends are fixedly installed on respectively on the first reinforcement of two panels steel disc 2, and the middle part of the metal dome 4 is arched upward, and is only pressed described
Deformation is generated when splenium 5 is depressed and is contacted with the second reinforcement steel disc 3.As shown in figure 4, being the utility model embodiment
Side view when another press-key structure of offer is pressed, wherein when press section 5 is depressed, 4 deformation of metal dome and pot
It is in contact, realizes between the first reinforcement steel disc 2 and the second reinforcement steel disc 3 with the second reinforcement steel disc 3 at the medium position of young piece 4
Conducting touches the electric signal on flexible circuit board 1, executes corresponding key command.
Optionally, the first reinforcement steel disc 2 and the second reinforcement steel disc 3 can be attached at described soft by conducting resinl
On property circuit board 1, the first reinforcement steel disc 2 and the second reinforcement steel disc 3 can with the hardness on local enhancement flexible circuit board 1 so that
Flexible circuit board 1 do not allow it is pliable, so as to transmit the pressure of press section 5 and make 4 deformation of metal dome.
Optionally, one end of the metal dome 4 is attached or is welded in the first reinforcement steel disc 2 or described by conducting resinl
On second reinforcement steel disc 3.It should be noted that since metal dome 4 will realize the conducting between reinforcement steel disc, metal dome
4 need be electrically connected with reinforcement steel disc, it can be attached on reinforcement steel disc by conducting resinl, and cannot use common glue into
Row attaches.
Second aspect, a kind of mobile terminal provided by the embodiment of the utility model, comprising: terminal body, the shifting
Press-key structure described in first aspect is provided on dynamic terminal body.Wherein, mobile terminal may include smart phone, plate electricity
Brain or laptop, are not specifically limited herein.For smart phone and tablet computer, press-key structure be can be set in screen
Lower section, for laptop, press-key structure be can be set beside the keyboard of laptop.
A kind of press-key structure provided by the utility model and mobile terminal are described in detail above, for ability
The those skilled in the art in domain have in specific embodiments and applications based on the idea of the embodiment of the present invention
Change place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. a kind of press-key structure, which is characterized in that be applied on mobile terminal, comprising:
Flexible circuit board, the first reinforcement steel disc, the second reinforcement steel disc and metal dome；
The flexible circuit board is set under press section, the first reinforcement steel disc be set on the flexible circuit board and with institute
The ground terminal connection of flexible circuit board power on signal network is stated, the second reinforcement steel disc is set on the flexible circuit board simultaneously
It is connect with the incoming end of flexible circuit board power on signal network；
One end of the metal dome is fixedly installed on the first reinforcement steel disc, and the other end of the metal dome is located at described the
Below two reinforcement steel discs,
Or
One end of the metal dome is fixedly installed on the second reinforcement steel disc, and the other end of the metal dome is located at described the
Below one reinforcement steel disc；
When the press section is not pressed, the other end of the metal dome is not mended with the first reinforcement steel disc or described second
Strong steel disc contact；When the press section is pressed, the metal dome generate deformation and the other end of the metal dome with it is described
First reinforcement steel disc or the second reinforcement steel disc contact.
2. press-key structure according to claim 1, which is characterized in that be provided with the benefit of two panels first on the flexible circuit board
Strong steel disc, the first reinforcement of two panels steel disc are respectively arranged at the both ends of the second reinforcement steel disc；
The both ends of the metal dome are fixedly installed on respectively on the first reinforcement of two panels steel disc, the middle part arch of the metal dome
It rises, and only generates deformation when the press section is depressed and contacted with the second reinforcement steel disc.
3. press-key structure according to claim 1 or 2, which is characterized in that the first reinforcement steel disc and described second is mended
Strong steel disc is attached on the flexible circuit board by conducting resinl.
4. press-key structure according to claim 1 or 2, which is characterized in that one end of the metal dome passes through conductive sticker
It is attached or be welded on the first reinforcement steel disc or the second reinforcement steel disc.
5. press-key structure according to claim 1, which is characterized in that the press section is pressing keycap or fingerprint recognition core
Piece.
6. a kind of mobile terminal characterized by comprising terminal body is arranged on the terminal body and has the right
It is required that press-key structure described in 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821281176.9U CN208489140U (en) | 2018-08-09 | 2018-08-09 | A kind of press-key structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821281176.9U CN208489140U (en) | 2018-08-09 | 2018-08-09 | A kind of press-key structure and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489140U true CN208489140U (en) | 2019-02-12 |
Family
ID=65246963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821281176.9U Active CN208489140U (en) | 2018-08-09 | 2018-08-09 | A kind of press-key structure and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887487A (en) * | 2021-02-04 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device, control method and control device for electronic device, and storage medium |
| WO2021238558A1 (en) * | 2020-05-25 | 2021-12-02 | 江西欧迈斯微电子有限公司 | Piezoelectric motor and electronic device |
-
2018
- 2018-08-09 CN CN201821281176.9U patent/CN208489140U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238558A1 (en) * | 2020-05-25 | 2021-12-02 | 江西欧迈斯微电子有限公司 | Piezoelectric motor and electronic device |
| CN112887487A (en) * | 2021-02-04 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device, control method and control device for electronic device, and storage medium |
| CN112887487B (en) * | 2021-02-04 | 2021-11-02 | 维沃移动通信有限公司 | Electronic device, control method and control device for electronic device, and storage medium |
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