CN209590698U - A kind of key and mobile terminal - Google Patents
A kind of key and mobile terminal Download PDFInfo
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- CN209590698U CN209590698U CN201920523483.1U CN201920523483U CN209590698U CN 209590698 U CN209590698 U CN 209590698U CN 201920523483 U CN201920523483 U CN 201920523483U CN 209590698 U CN209590698 U CN 209590698U
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- mould group
- key
- detecting mould
- elastic component
- circuit board
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Abstract
The utility model provides a kind of key, is applied to mobile terminal, and the utility model embodiment is related to mechanical structure field, which includes circuit board, key support, capacitance detecting mould group, pressure detecting mould group and elastic component；Terminal includes shell, and key is located in the shell；Capacitance detecting mould group and pressure detecting mould group are set on circuit board；Key support is provided with mounting groove；Circuit board is fixedly connected by mounting groove with key support, and elastic component is set in mounting groove, and elastic component is located between shell and pressure detecting mould group, and elastic component and capacitance detecting mould group, pressure detecting mould group are least partially overlapped；When key is pressed, elastic deformation occurs for elastic component and press pressure detects mould group, and pressure detecting mould group detects pressure size, and capacitance detecting mould group detects capacitance variations.The key of the utility model can avoid the breakage of mobile terminal shell structure, to guarantee its structural intergrity, promote waterproof performance without designing special key hole.
Description
Technical field
The utility model embodiment is related to mechanical structure field more particularly to a kind of key and mobile terminal.
Background technique
With the progress and the increased popularity shielded comprehensively of touch screen technology, mobile terminal side setting button at
For the common form of key setting.
Existing key shown in fig. 1 is usually mechanical key, and structure is electronically activated including key cap of key set and key,
The mechanical key needs to open up special key hole on shell for wearing since the stroke that structure division is electronically activated is longer
If key cap of key set, to guarantee that key cap of key set has enough move distances, it is ensured that structure is electronically activated and is effectively triggered, thus real
The functions such as existing volume adjustment.
As it can be seen that above-mentioned mechanical keying formations need to carry out the shell of mobile terminal aperture design, and this key pair
The integrality of mobile terminal is destroyed in the aperture demand of terminal shell, both unsightly, while also adding mobile terminal water inlet
Impaired risk.
Utility model content
The utility model provides a kind of key and mobile terminal, to solve mobile terminal shell key aperture in the prior art
The problem of destroying its integrality.
The utility model in a first aspect, provide a kind of key, including circuit board, key support, capacitance detecting mould group,
Pressure detecting mould group and elastic component；
The terminal includes shell, and the key is located in the shell；
The capacitance detecting mould group and the pressure detecting mould group are set on the circuit board；
The key support is provided with mounting groove；
The circuit board is fixedly connected by the mounting groove with the key support, and the elastic component is set to the peace
In tankage, and the elastic component, between the shell and the pressure detecting mould group, the elastic component and the capacitor are examined
It is least partially overlapped to survey mould group, the pressure detecting mould group；
When the key is pressed, the elastic component occurs elastic deformation and presses the pressure detecting mould group, described
Pressure detecting mould group detects pressure size, and the capacitance detecting mould group detects capacitance variations.
The second aspect of the utility model, provides a kind of mobile terminal, and the mobile terminal includes the utility model
On the one hand the key provided.
Compared with prior art, the utility model at least has the following advantages:
A kind of key provided by the utility model is applied to mobile terminal, by the way that capacitance detecting mould group is arranged in circuit board
With pressure detecting mould group, circuit board is fixed on key support, elastic component is set in the mounting groove of key support, and bullet
Property part is located between shell and pressure detecting mould group, and elastic component and capacitance detecting mould group, pressure detecting mould group are least partially overlapped.
Thus after user's pressing behavior makes elastic component deform, the basic work based on capacitance detecting mould group and pressure detecting mould group
Make principle, by capacitance detecting mould group detection user finger pressing position, by pressure detecting mould group detection user finger for
The pressing dynamics of key, the two combine, and can perceive the specific pressing behavior of user.Therefore, which can be according to touch position
It sets and learns pressing behavior with deflection, without designing special key hole, the breakage of avoidable mobile terminal shell structure, thus
Guarantee its structural intergrity, promotes waterproof performance.
Detailed description of the invention
Fig. 1 is a kind of the utility model schematic diagram of mechanical key in the prior art；
Fig. 2 is a kind of schematic diagram of key in the utility model embodiment；
Fig. 3 is the schematic diagram of another key in the utility model embodiment；
Fig. 4 is in the utility model embodiment along the front view perpendicular to mobile terminal display surface；
Fig. 5 is in the utility model embodiment along the schematic diagram in the direction A-A of Fig. 4；
Fig. 6 is in the utility model embodiment along the schematic diagram in the direction B-B of Fig. 4.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
A kind of key and mobile terminal provided by the utility model is discussed in detail below by specific embodiment is enumerated, moves
Dynamic terminal can be mobile phone, tablet computer, E-book reader, intelligent wearable device etc., and the utility model does not constrain this.
Referring to Fig. 2, the utility model provides a kind of key, is applied to mobile terminal, key includes circuit board 10, key
Bracket 11, capacitance detecting mould group 12, pressure detecting mould group 13 and elastic component 14；
The terminal includes shell 20, and the key is located in the shell 20；
The capacitance detecting mould group 12 and the pressure detecting mould group 13 are set on the circuit board 10；
The key support 11 is provided with mounting groove 111；
The circuit board 10 is fixedly connected by the mounting groove 111 with the key support 11, and the elastic component 14 is set
It is placed in the mounting groove 111, and the elastic component 14 is between the shell 20 and the pressure detecting mould group 13, it is described
Elastic component 14 and the capacitance detecting mould group 12, the pressure detecting mould group 13 are least partially overlapped；
When the key is pressed, the elastic component 1 occurs elastic deformation and presses the pressure detecting mould group 13, institute
It states pressure detecting mould group 13 and detects pressure size, the capacitance detecting mould group 12 detects capacitance variations.
Specifically, as shown in Fig. 2, the key includes circuit board 10, key support 11, capacitance detecting mould group 12, pressure
Detect mould group 13 and elastic component 14.Circuit board 10 is the electromechanical transformation component of the key, is provided with capacitor inspection on the circuit board 10
It surveys mould group 12 and pressure detecting mould group 13, capacitance detecting mould group 12 can be the detection being laid in the layered structure of circuit board 10
Circuit can form capacity plate antenna between user's finger, so as to true according to finger capacitance variations caused by different positions
Determine the position of finger, pressure detecting mould group 13 is can to will lead to the mechanics of deformation using the pressure sensor of piezoelectric effect work
Signal is converted to electrical signal.The working principle of capacitance detecting mould group 12 is identical as existing capacitance touch button principle, at this
It is repeated no more in utility model.Key support 11 is the fixing seat of circuit board 10 and elastic component 14 in the key, the key support
11 can be nonmetallic injection molding support, or the metallic support of machining can specifically determine to make according to actual needs
With which kind of bracket.Mounting groove 111 is provided on key support 11, circuit board 10 is fixed on key support by mounting groove 111
On 11, elastic component 14 is set in mounting groove 111, and elastic component 14 is located between shell 20 and pressure detecting mould group 13, elastic component
14 is least partially overlapped with capacitance detecting mould group 12, pressure detecting mould group 13.To which when user presses shell 20, shell 20 is pressed
Compel elastic component 14, for the deformation effect of elastic component 14 in pressure detecting mould group 13, pressure detecting mould group 13 can detecte pressure
Size, meanwhile, capacitance detecting mould group 12 it can be concluded that finger specific location.
A kind of key provided by the utility model, by the way that capacitance detecting mould group and pressure detecting mould group is arranged in circuit board,
Circuit board is fixed on key support, elastic component is set in the mounting groove of key support, and elastic component be located at shell and
Between pressure detecting mould group, elastic component and capacitance detecting mould group, pressure detecting mould group are least partially overlapped.To be pressed as user
After behavior makes elastic component deform, the basic functional principle based on capacitance detecting mould group and pressure detecting mould group, by capacitor
The finger pressing position for detecting mould group detection user is detected pressing force of the finger for key of user by pressure detecting mould group
Degree, is combined by the two, can perceive the specific pressing behavior of user.Therefore, which can be according to touch location and deformation
Amount obtains pressing behavior, without designing special key hole, can avoid the breakage of mobile terminal shell structure, guarantees that its structure is complete
Whole property promotes waterproof performance.
Optionally, referring to Fig. 2 and Fig. 3, the circuit board 10 includes protrusion 101, and the capacitance detecting mould group 12 is arranged
In on the protrusion 101
Specifically, as shown in Figures 2 and 3, in order to avoid capacitance detecting mould group 12 and pressure detecting mould on circuit board 10
The overlapping of group 13 leads to the complexity of circuit design, or even conflict, and circuit board 10 includes protrusion 101, and protrusion 101 expands electricity
The area of road plate 10.To which capacitance detecting mould group 12 can be set on each protrusion 101 when protrusion 101 is multiple,
Capacitance detecting mould group 12 on each protrusion 101 of different location can detecte the finger for being placed on different location, phase
It answers, multiple protrusions 101 can correspond to multiple function buttons.For example, show three protrusions 101 in Fig. 1, then three it is convex
The corresponding key in portion 101 can be respectively defined as volume and add key, volume down key, screen locking key etc. out, and concrete function can be by
Customized setting, the utility model do not constrain this to technical staff in a program.
Optionally, referring to Fig. 3, the protrusion 101 is bent, and the bending of protrusion 101 covers the elastic component 14,
At this point, the capacitance detecting mould group 12 is between the shell 20 and the elastic component 14.
Optionally, in the utility model embodiment, capacitance detecting mould group 12, the quantity of piezoelectric detection mould group 13 are identical, institute
After stating the fold covering of protrusion 101 elastic component 14, the capacitance detecting mould group 12, the elastic component 14 and piezoelectricity inspection
It surveys mould group 13 to be overlapped, but it is preferable that the capacitance detecting mould group 12 and the piezoelectric detection mould group 14 be not be overlapped, so that institute
State pressure detecting mould group 13 detect the pressure that the elastic component 14 is subject to size it is more accurate.
Specifically, the protrusion 101 after bending covers elastic component as shown in figure 3, protrusion 101 can be bent
14, at this point, the capacitance detecting mould group 12 being arranged on protrusion 101 is then between shell 20 and elastic component 14.So protrusion
101 sides pressed closer to user's finger, the capacitance detecting mould group 12 of protrusion 101 is smaller with the distance between finger,
Capacitance detecting is also more sensitive, and corresponding position detection is also more accurate.
Optionally, referring to Fig.1, the quantity of the capacitance detecting mould group 12 is three, the number of the pressure detecting mould group 13
Amount is two.
Specifically, as shown in Figure 1, three capacitance detecting mould groups 12 and two pressure detecting moulds can be used in the key
Group 13, so that it to be distributed across to different positions respectively, improves the accuracy and sensitivity of actuation of keys.
Optionally, referring to Fig.1, the quantity of the capacitance detecting mould group 12 is multiple, the number of the pressure detecting mould group 13
It is multiple for measuring, and multiple capacitance detecting mould groups 12 alternate arrangement with multiple pressure detecting mould groups 13.
Specifically, as shown in Figure 1, being lifting force when capacitance detecting mould group 12 and pressure detecting mould group 13 are multiple
Spend the uniformity of detection, it is ensured that press Shi Douyou dynamics feedback at an arbitrary position, while guaranteeing the standard of finger pressing position detection
Multiple capacitance detecting mould groups 12 can be alternated arrangement with multiple pressure detecting mould groups 13 by true property.For example, per adjacent two
One pressure detecting mould group 13 is set between a capacitance detecting mould group 12.
Optionally, the elastic component 14 may include multiple elastic parts, and the mounting groove 111 may include multiple sub- peaces
Tankage, the quantity of the elastic part are identical as the quantity of the sub- mounting groove；
The elastic part is set in the sub- mounting groove, each elastic part and each sub- mounting groove one
One corresponding installation.
Specifically, when the quantity of the quantity of capacitance detecting mould group 12 and pressure detecting mould group 13 is multiple, correspondingly,
Elastic component 14 may include multiple elastic parts, and mounting groove 111 may include multiple sub- mounting grooves, the quantity and son of elastic part
The quantity of mounting groove is identical, and elastic part is set in sub- mounting groove, and each elastic part is corresponded with each sub- mounting groove
Installation.For example, elastic component 14 includes the first elastic part, the second elastic part and the elastic part of third, mounting groove 111 includes the
One sub- mounting groove, the second sub- mounting groove and the sub- mounting groove of third, the first elastic part may be mounted in the first sub- mounting groove, the
Two elastic parts may be mounted in the second sub- mounting groove, and the elastic part of third may be mounted in the sub- mounting groove of third, each
Elastic part, each sub- mounting groove can be corresponding with the position of each pressure detecting mould group 13.On the one hand, elastic part, sub- peace
Tankage and the location matches of pressure detecting mould group are more acurrate, and dynamics detection is also sensitiveer, while compared to the bullet of integrated strip and block
Property part, also more save material.In addition, multiple elastic parts can work independently of one another, between capable of preferably avoiding
Interfere with each other.
Optionally, the key further includes rigid component, and described hardness component one end is connect with the shell 20, the other end
It is connect with the elastic component 14.
Specifically, elastic component 14 above-mentioned is the part that 13 side of pressure detecting mould group is arranged in, pressure detecting mould group
13 need the deformation of sensitive and accurate perception elastic component 14, however when the hardness of elastic component 14 is too small, excessively soft, pure bullet
Property part have certain buffering energy-absorbing effect, be unfavorable for transmitting pressing generate deformation.And hence it is also possible to using rigid component, firmly
Property component one end connect with shell 20, the other end is connect with elastic component 14, it is thereby also possible to further promoted pressing dynamics detection
Sensitivity and accuracy.It particularly with regard to the combining form of rigid component and elastic component 14, can be stacked, for example, one piece
Rigid component bonds together with one piece of elastic component 14.Or it can use elastic component 14 and be easy the characteristic moulded part package firmly
Property component.The part combination of two kinds of hardness properties uses, and has not only been avoided that pure elastic component, but also can be accurately anti-for the absorption of deformation
The size for presenting deformation quantity, is more conducive to 13 accurate measurements pressing dynamics of pressure detecting mould group.
Optionally, the circuit board 10 is flexible circuit board or rigid-flexible circuit board.
Specifically, circuit board 10 above-mentioned can be flexible circuit board, that is, it is exactly FPC (Flexible Printed
Circuit, flexible circuit board), circuit board 10 or rigid-flexible circuit board, that is, be exactly the circuit that FPC is combined with PCB
Plate, rigid-flexible circuit board are provided simultaneously with the structural strength and rigidity of PCB, are conducive to installation and fix, but also with the flexibility of FPC,
Conducive to bending.Therefore, foregoing circuit plate has bending performance, avoids damage circuit board.
Optionally, the terminal further includes mainboard, and the circuit board 10 is electrically connected with the mainboard of the terminal.
Specifically, terminal above-mentioned can also include mainboard, the circuit board 10 in the key can pass through company with mainboard
It connects device connection or is welded on mainboard, received by mainboard from the position that key generates and dynamics information, realize more horn of plenty
Control strategy.
Referring to fig. 4 to fig. 6, the utility model additionally provides a kind of mobile terminal, which includes key above-mentioned.
Specifically, as shown in Figures 4 to 6, a kind of mobile terminal provided by the utility model, include it is above-mentioned by
Key, above-mentioned key can be securely fitted in the inner cavity of terminal shell 20, and key is directed at the pressing side wall of terminal shell 20, when
When user touches pressing sidewall locations, key can perceive touch location and pressing dynamics according to deformation, be converted into telecommunications
Number.Without as traditional mechanical key on terminal shell setting button hole.For ease of understanding, Fig. 4 gives mobile whole
The front view of display surface is held, Fig. 5 is schematic diagram of the Fig. 4 along the direction A-A, and Fig. 6 is schematic diagram of the Fig. 4 along the direction B-B.
A kind of mobile terminal provided by the utility model, application has key above-mentioned in the terminal, by circuit
Capacitance detecting mould group and pressure detecting mould group is arranged in plate, and circuit board is fixed on key support, elastic component is set to key
In the mounting groove of bracket, and elastic component is located between shell and pressure detecting mould group, and elastic component and capacitance detecting mould group, pressure are examined
It is least partially overlapped to survey mould group.To when user press behavior elastic component is deformed after, based on capacitance detecting mould group with
The basic functional principle of pressure detecting mould group, by the finger pressing position of capacitance detecting mould group detection user, by pressure detecting mould
Group detects pressing dynamics of the finger for key of user, and the two combines, and can perceive the specific pressing behavior of user.Cause
This, which can learn pressing behavior according to touch location and deflection, without designing special key hole, can avoid mobile whole
The breakage of end housing structure guarantees its structural intergrity, promotes waterproof performance.Also, the bending design based on protrusion, makes electricity
Hold detection mould group between shell and elastic component, so that the sensitivity of key is higher, it is shorter based on its work stroke, it can be more preferable
Ground is suitable for the terminal shell compared with thick wall, is conducive to improve the arrangement space inside mobile terminal.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
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.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of key is applied to mobile terminal, which is characterized in that including circuit board (10), key support (11), capacitance detecting
Mould group (12), pressure detecting mould group (13) and elastic component (14)；
The mobile terminal includes shell (20), and the key is located in the shell (20)；
The capacitance detecting mould group (12) and the pressure detecting mould group (13) are set on the circuit board (10)；
The key support (11) is provided with mounting groove (111)；
The circuit board (10) is fixedly connected by the mounting groove (111) with the key support (11), the elastic component
(14) it is set in the mounting groove (111), and the elastic component (14) is located at the shell (20) and the pressure detecting mould
Between group (13), the elastic component (14) and the capacitance detecting mould group (12), the pressure detecting mould group (13) are at least partly
Overlapping；
When the key is pressed, the elastic component (14) occurs elastic deformation and presses the pressure detecting mould group (13),
The pressure detecting mould group (13) detects pressure size, and the capacitance detecting mould group (12) detects capacitance variations.
2. key as described in claim 1, which is characterized in that the circuit board (10) includes protrusion (101), the capacitor
Detection mould group (12) is set on the protrusion (101).
3. key as claimed in claim 2, which is characterized in that the protrusion (101) is bent, the protrusion (101)
Bending covers the elastic component (14), the capacitance detecting mould group (12) be located at the shell (20) and the elastic component (14) it
Between.
4. key as described in claim 1, which is characterized in that the quantity of the capacitance detecting mould group (12) is three, described
The quantity of pressure detecting mould group (13) is two.
5. key as described in claim 1, which is characterized in that the quantity of the capacitance detecting mould group (12) be it is multiple, it is described
The quantity of pressure detecting mould group (13) is multiple, multiple capacitance detecting mould groups (12) and multiple pressure detecting mould groups
(13) arrangement is alternated.
6. key as claimed in claim 5, which is characterized in that the elastic component (14) includes multiple elastic parts, the peace
Tankage (111) includes multiple sub- mounting grooves, and the quantity of the elastic part is identical as the quantity of the sub- mounting groove；
The elastic part is set in the sub- mounting groove, and each elastic part and each sub- mounting groove one are a pair of
It should install.
7. key as described in claim 1, which is characterized in that further include rigid component, it is described hardness component one end with it is described
Shell (20) connection, the other end are connect with the elastic component (14).
8. key as described in claim 1, which is characterized in that
The circuit board (10) is flexible circuit board or rigid-flexible circuit board.
9. key as described in claim 1, which is characterized in that
The mobile terminal further includes mainboard, and the circuit board (10) is electrically connected with the mainboard of the mobile terminal.
10. a kind of mobile terminal, which is characterized in that the mobile terminal includes the described in any item keys of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523483.1U CN209590698U (en) | 2019-04-17 | 2019-04-17 | A kind of key and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523483.1U CN209590698U (en) | 2019-04-17 | 2019-04-17 | A kind of key and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN209590698U true CN209590698U (en) | 2019-11-05 |
Family
ID=68346356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920523483.1U Active CN209590698U (en) | 2019-04-17 | 2019-04-17 | A kind of key and mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN209590698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337984A (en) * | 2020-04-23 | 2020-06-26 | 维沃移动通信有限公司 | Electronic device |
-
2019
- 2019-04-17 CN CN201920523483.1U patent/CN209590698U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337984A (en) * | 2020-04-23 | 2020-06-26 | 维沃移动通信有限公司 | Electronic device |
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