CN106790812A - Mobile terminal center flitch - Google Patents
Mobile terminal center flitch Download PDFInfo
- Publication number
- CN106790812A CN106790812A CN201611239358.5A CN201611239358A CN106790812A CN 106790812 A CN106790812 A CN 106790812A CN 201611239358 A CN201611239358 A CN 201611239358A CN 106790812 A CN106790812 A CN 106790812A
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- China
- Prior art keywords
- hole
- stress hole
- stress
- mobile terminal
- mainboard
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention relates to a kind of mobile terminal center flitch.Mobile terminal center flitch includes mainboard and frame.Mainboard includes right angle portion, and right angle portion is located at the corner of mainboard.Frame is located at the surrounding of mainboard, and frame includes the corner portion being correspondingly arranged with right angle portion, the first stress hole is offered in the portion of corner.The mobile terminal center flitch, the corner portion of the frame more concentrated in stress there is provided the first stress hole, so as in processing, the machining stress of generation can be released decrease at the first stress hole, so that the deformation of the final middle frame structure for processing weakens, and then improve yields.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of mobile terminal center flitch.
Background technology
The middle frame structure of mobile terminal is typically processed by Digit Control Machine Tool to flitch.In process, generation plus
Work stress can force the position of flitch structural weak or stress concentration to deform, and ultimately result in the middle frame structure deformation for processing,
Planarity requirements cannot be met, and reduce yields.
The content of the invention
Based on this, it is necessary to provide a kind of mobile terminal center flitch that can improve yields.
A kind of mobile terminal center flitch, including：
Mainboard, including right angle portion, the right angle portion are located at the corner of the mainboard；And
Frame, located at the surrounding of the mainboard, the frame includes corner portion, and the corner portion is corresponding with the right angle portion
Set, the first stress hole is offered in the corner portion.
Wherein in one embodiment, the form fit in the shape in the first stress hole and the right angle portion；
The corner portion is provided with four, and respectively at the corner of the frame, the first stress hole is provided with four, one
The individual corner portion correspondence offers the first stress hole.
Wherein in one embodiment, the frame also includes the first plate for extending in a first direction, on first plate
The second stress hole is offered, the second stress hole is bar hole, and is extended along the first direction, and first plate is provided with two
It is individual, it is oppositely arranged on the both sides of the mainboard.
Wherein in one embodiment, the frame also includes the second plate for extending in a second direction, the second direction
Vertical with the first direction, the second plate first plate described with two is connected to form two corner portions, described second
Tertiary stress hole is offered on plate, the tertiary stress hole is bar hole, and is extended along the second direction.
Wherein in one embodiment, the distance between the tertiary stress hole and the first stress hole is more than or equal to described
The thickness of mainboard.
Wherein in one embodiment, the frame also includes the 3rd plate extended along the second direction, the described 3rd
Plate the first plate described with two is connected to form corner portion described in another two, and the 4th stress hole is offered on the 3rd plate, described
First stress hole is bar hole, and is extended along the second direction.
Wherein in one embodiment, the distance between the 4th stress hole and the first stress hole is more than or equal to described
The thickness of mainboard.
Wherein in one embodiment, the distance between the second stress hole and the first stress hole is more than or equal to described
The thickness of mainboard.
Wherein in one embodiment, the second stress hole is provided with multiple, is intervally arranged along the first direction, and respectively
Thickness of the distance more than or equal to the mainboard between the second stress hole.
Wherein in one embodiment, the first stress hole is circular hole, and the circular hole is provided with multiple, around the mainboard
Set, and aperture of the distance more than or equal to the circular hole between each circular hole.
Above-mentioned mobile terminal center flitch, the corner portion of the frame more concentrated in stress there is provided the first stress hole,
So as in processing, the machining stress of generation can be released decrease at the first stress hole so that the final center for processing
The deformation of structure weakens, and then improves yields.
Brief description of the drawings
Fig. 1 is the structural representation of the mobile terminal center flitch of an implementation method；
Fig. 2 is the schematic diagram of the flatness of the tested plane of measurement；
Fig. 3 is the structural representation of the mobile terminal center flitch of another implementation method.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to mobile terminal center flitch.
For ease of description, in the present embodiment, definition first direction is X-direction, and second direction is Y-direction, X-direction and
Y-direction is vertical.
As shown in figure 1, the mobile terminal center flitch 10 of an implementation method includes mainboard 100 and frame 200, wherein, it is main
Plate 100 includes right angle portion 110, and right angle portion 100 is located at the corner of mainboard 100, and frame 200 is located at the surrounding of mainboard 100, frame
200 include the corner portion 210 being correspondingly arranged with right angle portion 110, and the first stress hole 212 is offered in corner portion 210.In this implementation
In mode, the shape in the first stress hole 212 and the form fit in right angle portion 110, i.e. the first stress hole 212 is arcuate socket, including
The first hole 214 for extending in X direction and the second hole 216 extended along Y-direction, and the first hole 214 and the second hole 216 junction
As right angle portion 100, processed by rounding.And, corner portion 210 is provided with four, respectively at the corner of frame.It is right
Answer, the first stress hole 212 also is provided with four, and the correspondence of corner portion 210 offers a first stress hole 212.
In addition, in the present embodiment, mobile terminal center flitch 10 is mobile phone center flitch, it will be understood that at other
In implementation method, mobile terminal center flitch 10 can also be flat board center flitch, notebook center flitch etc..
For mobile terminal center flitch 10, the structure of corner is more weak, and the stress being subject to also more is concentrated,
Therefore, the first stress hole 212 for being arranged on corner portion 210 can make machining stress be released decrease so that finally process
Middle frame structure deformation weaken, and then improve yields.
Frame 200 also includes the first plate 220 for extending in X direction, and the second stress hole 222 is offered on the first plate 220, the
Two stress holes 222 are bar hole, and are extended in X direction.First plate 220 is provided with two, is oppositely arranged on the both sides of mainboard 100.
In the present embodiment, thickness of the distance between the second stress hole 222 and the first stress hole 212 more than or equal to mainboard 100.And
And, the second stress hole 222 is provided with multiple, is intervally arranged in X direction, and distance between each second stress hole 222 is more than or equal to master
The thickness of plate 100, to ensure that, in processing, the part between stress hole will not be broken because of machining stress.
Frame 200 also includes the second plate 230 extended along Y-direction, and the second plate 230 is connected formation with two the first plates 220
Two corners portion 210.Tertiary stress hole 232 is offered on second plate 230, tertiary stress hole 232 is bar hole, and along Y-direction
Extend.Thickness of the distance more than or equal to mainboard 100 between the stress hole 212 of tertiary stress hole 232 and first.
Frame 200 also includes the 3rd plate 240 extended along Y-direction, and the 3rd plate 240 is connected formation with two the first plates 220
Another two corner portion 210.The 4th stress hole 242 is offered on 3rd plate 240, the first stress hole 212 is bar hole, and along Y side
To extension.Likewise, thickness of the distance more than or equal to mainboard 100 between the 4th stress hole 242 and the first stress hole 212.
In the present embodiment, the width in the first stress hole 212 is 6mm, and the length in the second stress hole 222 is 36mm, wide
It is 6mm to spend, and the length in tertiary stress hole 232 is 28mm, and width is 6mm, and the length in the 4th stress hole 242 is 18mm, and width is
6mm.In other embodiments, the size in each stress hole can also be other values, mainly the shape according to final finished and
Intensity is determined.
It is noted that final finished is mainly processed by mainboard 100, frame 200 mainly plays secondary process and disappears
The effect of de-stress, is eventually removed.
In addition, it is necessary to open up how much stress hole in the above for mobile terminal center flitch 10, it is final to cause
The finished product for processing meet standard requirement, can according to the first stress hole 212, the first stress hole 212 and the second stress hole 222,
First stress hole 212, the second stress hole 222 and tertiary stress hole 232, the first stress hole 212, the second stress hole the 222, the 3rd are answered
The order in the stress hole 242 of power hole 232 and the 4th is processed, and each time process after use measuring instrument, such as metric high, into
The flatness of product is measured.Flatness belongs to the form error in Form and position error, refers to tested actual surface flat to its ideal
The variation in face.That is, flatness is smaller, tested actual surface is more smooth；Flatness is bigger, is tested actual surface deformation
It is more severe.
For example, choosing 14 in the mobile terminal center flitch of batch as measurand.By this 14 measurands
It is divided into four groups, first group includes 2 mobile terminal center flitch, and the first stress hole 212 is provided only with flitch.Second group includes
3 mobile terminal center flitch, and flitch is provided with the first stress hole 212 and the second stress hole 222.3rd group includes 4 shiftings
Dynamic terminal center flitch, and flitch is provided with the first stress hole 212, the second stress hole 222 and tertiary stress hole 232.4th group
Comprising 5 mobile terminal center flitch, and flitch is provided with the first stress hole 212, the second stress hole 222, tertiary stress hole 232
And the 4th stress hole 242.After being processed to this four groups mobile terminal center flitch, the plane of each group finished product is detected with metric high
Degree, sees whether flatness meets requirement.
If four groups of flatness meets the requirements, for the mobile terminal center flitch of the batch, it is only necessary to open up
First stress hole 212.If the flatness of previous group has undesirable, and all groups of flatness meets the requirements below,
Then for the mobile terminal center flitch of the batch, open up positioned at the stress hole of first group for organizing below.So, no
Yields can only be improved, it is also possible to improve processing efficiency.
Further, as shown in Fig. 2 when carrying out the measurement of planeness to finished product with metric high, it may be determined that a datum level, the base
Quasi- face is parallel with tested plane 20, and it is some origin O to choose in datum level, choose relatively far point A1 in tested plane 20 and compared with
Near point B1, calculates compared with the length of line between far point A1 and origin O and the length sum L1 compared with the line between near point B1 and origin O.
If the value of L1 is less than or equal to standard value, or less than the flatness L2 of the finished product processed using traditional mobile terminal center flitch
(it is identical with the method for calculating L1, the datum level of selection, origin, compared with far point with it is also identical compared near point), then show to use this embodiment party
The finished product internal stress that the mobile terminal center flitch 10 of formula is processed is smaller, and deformation is less.To avoid the property once in a while of result, can be with
Choose multigroup compared with far point and compared near point, such as A2, B2, A3, B3 etc. repeatedly compare.
Measurement data in following table is the finished level degree processed using the mobile terminal center flitch 10 shown in Fig. 1
Measured value L1 and the finished level degree processed using traditional mobile terminal center flitch measured value L2.It is clear that
The value of L1 is respectively less than the value of L2 in every group, and the value of L1 is respectively less than equal to standard value 0.2mm.Therefore, using the movement shown in Fig. 1
The finished product yields that terminal center flitch 10 is processed is higher.
| Sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| L1 | 0.16 | 0.15 | 0.20 | 0.19 | 0.18 | 0.16 | 0.15 | 0.17 | 0.14 |
| L2 | 0.23 | 0.25 | 0.33 | 0.32 | 0.29 | 0.28 | 0.27 | 0.30 | 0.24 |
Further, as shown in figure 3, in addition to bar hole, each stress hole can also be circular hole 250, be set around mainboard 100,
And the distance between each circular hole 250 is more than or equal to the aperture of circular hole 250.When substituting bar hole with circular hole 250, the number of circular hole 250
It is more, therefore, the ability for discharging stress is stronger, so that aperture of the distance more than or equal to circular hole between circular hole 250.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of mobile terminal center flitch, it is characterised in that including：
Mainboard, including right angle portion, the right angle portion are located at the corner of the mainboard；And
Frame, located at the surrounding of the mainboard, the frame includes corner portion, and the corner portion is corresponding with the right angle portion to be set
Put, the first stress hole is offered in the corner portion.
2. mobile terminal center flitch according to claim 1, it is characterised in that the shape in the first stress hole and institute
State the form fit in right angle portion；
The corner portion is provided with four, and respectively at the corner of the frame, the first stress hole is provided with four, an institute
State corner portion correspondence and offer the first stress hole.
3. mobile terminal center flitch according to claim 2, it is characterised in that the frame is also included in the first direction
The first plate for extending, offers the second stress hole on first plate, the second stress hole is bar hole, and along described first
Direction extends, and first plate is provided with two, is oppositely arranged on the both sides of the mainboard.
4. mobile terminal center flitch according to claim 3, it is characterised in that the frame is also included in a second direction
The second plate for extending, the second direction is vertical with the first direction, and the second plate first plate described with two is connected shape
Into two corner portions, tertiary stress hole is offered on second plate, the tertiary stress hole is bar hole, and along described
Second direction extends.
5. mobile terminal center flitch according to claim 4, it is characterised in that the tertiary stress hole and described first
Thickness of the distance more than or equal to the mainboard between stress hole.
6. mobile terminal center flitch according to claim 3, it is characterised in that the frame also includes along described second
The 3rd plate that direction extends, the 3rd plate first plate described with two is connected to form corner portion described in another two, and the described 3rd
The 4th stress hole is offered on plate, the first stress hole is bar hole, and is extended along the second direction.
7. mobile terminal center flitch according to claim 6, it is characterised in that the 4th stress hole and described first
Thickness of the distance more than or equal to the mainboard between stress hole.
8. mobile terminal center flitch according to claim 3, it is characterised in that the second stress hole and described first
Thickness of the distance more than or equal to the mainboard between stress hole.
9. mobile terminal center flitch according to claim 3, it is characterised in that the second stress hole is provided with multiple,
It is intervally arranged along the first direction, and thickness of the distance more than or equal to the mainboard between each second stress hole.
10. mobile terminal center flitch according to claim 1, it is characterised in that the first stress hole is circular hole, institute
State circular hole and be provided with multiple, set around the mainboard, and aperture of the distance more than or equal to the circular hole between each circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239358.5A CN106790812B (en) | 2016-12-28 | 2016-12-28 | Middle frame material plate of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239358.5A CN106790812B (en) | 2016-12-28 | 2016-12-28 | Middle frame material plate of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106790812A true CN106790812A (en) | 2017-05-31 |
| CN106790812B CN106790812B (en) | 2024-01-05 |
Family
ID=58923280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611239358.5A Active CN106790812B (en) | 2016-12-28 | 2016-12-28 | Middle frame material plate of mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN106790812B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398687A (en) * | 2017-08-21 | 2017-11-28 | 广东长盈精密技术有限公司 | The processing method and electronic equipment bonnet of electronic equipment bonnet |
| CN110535987A (en) * | 2019-08-28 | 2019-12-03 | 广东长盈精密技术有限公司 | Middle plate and mobile phone |
| CN112427586A (en) * | 2020-12-22 | 2021-03-02 | 惠州威博精密科技有限公司 | Method for improving flatness of forged shell blank |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103955306A (en) * | 2014-03-07 | 2014-07-30 | 业成光电（深圳）有限公司 | Three-dimension curve surface touch control panel |
| CN105911733A (en) * | 2016-06-03 | 2016-08-31 | 重庆惠科金扬科技有限公司 | Curved display device structure |
-
2016
- 2016-12-28 CN CN201611239358.5A patent/CN106790812B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103955306A (en) * | 2014-03-07 | 2014-07-30 | 业成光电（深圳）有限公司 | Three-dimension curve surface touch control panel |
| CN105911733A (en) * | 2016-06-03 | 2016-08-31 | 重庆惠科金扬科技有限公司 | Curved display device structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398687A (en) * | 2017-08-21 | 2017-11-28 | 广东长盈精密技术有限公司 | The processing method and electronic equipment bonnet of electronic equipment bonnet |
| CN110535987A (en) * | 2019-08-28 | 2019-12-03 | 广东长盈精密技术有限公司 | Middle plate and mobile phone |
| CN112427586A (en) * | 2020-12-22 | 2021-03-02 | 惠州威博精密科技有限公司 | Method for improving flatness of forged shell blank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106790812B (en) | 2024-01-05 |
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