CN104185387A - Casing - Google Patents
Casing Download PDFInfo
- Publication number
- CN104185387A CN104185387A CN201310202386.XA CN201310202386A CN104185387A CN 104185387 A CN104185387 A CN 104185387A CN 201310202386 A CN201310202386 A CN 201310202386A CN 104185387 A CN104185387 A CN 104185387A
- Authority
- CN
- China
- Prior art keywords
- ring
- wall
- ora terminalis
- metal substrate
- casing
- Prior art date
- 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.)
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Abstract
The invention discloses a casing, including a metal substrate and a plastic substrate. The plastic substrate is arranged on the metal substrate, and has an upper surface and a lower surface which are opposite to each other, and a through hole which penetrates through the upper surface and the lower surface. The lower surface is attached to the metal substrate, and the through hole has a first annular wall face and a second annular wall face which are connected with each other. One end of the first annular wall face is connected with the lower surface, and the second annular wall face is connected with the upper surface. An included angle between the second annular wall face and the upper surface is an obtuse angle. Potential difference between the abovementioned plastic substrate and the metal substrate can be reduced, so that charges on the plastic substrate can be stably guided to the metal substrate. Thus, the problem of static electricity of the casing is solved.
Description
Technical field
The present invention relates to a kind of casing, particularly a kind of casing with protection structure.
Background technology
Along with scientific and technological progress, various electronic products start to be used in widely in people's life.Take portable electronic product as example, and user's portability portable electronic product and in Yu Jiazhong, office or the vehicles, or even outdoor use, to make it have the advantage of convenience.Therefore, portable electronic product often becomes one of electronic product indispensable in people's life.
In order to alleviate the weight of portable electronic product, and maintain its rigidity, aspect casing, can adopt the combination of plastic casing and metal shell to assemble.Plastic casing is located at outside metal shell.Although plastic casing is comparatively light and handy, under long-time use, plastic casing easily can produce wearing and tearing, and then destroys its texture.To this, in order to resistance to wear, the outer electrodepositable layer of metal layer of plastic casing, to promote plastic casing resistance to wear and texture.
Although this housing in weight gentlier, more attractive in appearance in more wear-resisting and texture, need to carry out insulating electron assembly and electrodeposition of metals being electrically insulated between the two by plastic casing.But, in this kind of design, because electrodeposition of metals is without any earthing mechanism, will cause this electrodeposition of metals can accumulate a large amount of static.If user is contacting metal shell body when electrodeposition of metals accumulation static reaches certain value, because user's static value itself and the static value of electrodeposition of metals have a current potential difference, meeting and then cause user to have the sensation of electric shock.
Therefore, how will eliminate the electrostatic problem of housing, real is industry problem urgently to be resolved hurrily.
Summary of the invention
Because above problem the object of the invention is to propose a kind of casing, and then solves its electrostatic problem.
According to a kind of casing in one embodiment of the invention, it comprises a metal substrate and a plastic substrate.Plastic substrate is located on metal substrate, and plastic substrate has a upper surface respect to one another and a lower surface and runs through upper surface and a perforation of lower surface.Lower surface is attached at metal substrate, and perforation has one first ring-like wall connected with each other and one second ring-like wall.The first ring-like wall connects lower surface, and the second ring-like wall connects upper surface.The second ring-like wall and upper surface accompany an obtuse angle.
So, by the second ring-like wall and upper surface, accompany an obtuse angle, to reduce the potential difference between plastic substrate and metal substrate, and make electric charge on the plastic substrate metal substrate that can stably lead.So, can solve the electrostatic problem of casing in prior art.Moreover metal substrate can not need to implement electric carving technique again, the electric charge of plastic substrate can stably be directed at metal substrate, and then saves manufacturing cost and time.
Below in conjunction with the drawings and specific embodiments, describe the present invention, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of casing according to an embodiment of the invention;
Fig. 2 is the schematic perspective view of casing according to an embodiment of the invention;
Fig. 3 is the cut-away view of the casing that dissects along 3-3 line in Fig. 2.
Wherein, Reference numeral
10 casings
100 metal substrates
110 anodization
200 plastic substrates
210 upper surfaces
212 metal sputtering layers
220 lower surfaces
230 perforation
232 first ring-like walls
2320 first ora terminalis
2322 second ora terminalis
234 second ring-like walls
2340 the 3rd ora terminalis
2342 the 4th ora terminalis
240 points
2402 summits
2404 lead angles
242 points
244 points
2442 summits
246 points
D1 the first distance
D2 second distance
D3 the 3rd distance
D4 the 4th distance
R diameter
W width
θ obtuse angle
Embodiment
In execution mode, describe below detailed features of the present invention and advantage in detail, its content is enough to make any related art techniques person of haveing the knack of understand technology contents of the present invention and implement according to this, and the content of inventing according to this specification, claim scope and accompanying drawing, any related art techniques person of haveing the knack of can understand object and the advantage that the present invention is relevant easily.Following embodiment further describes viewpoint of the present invention, but non-to limit anyways category of the present invention.
In view of the already present problem of prior art, the present invention proposes a kind of casing.Wherein casing is suitable for being applied to a portable electronic devices (as a mobile computer, a flat computer or a device for mobile communication), but non-in order to limit the present invention.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the decomposing schematic representation of casing according to an embodiment of the invention.Fig. 2 is the schematic perspective view of casing according to an embodiment of the invention.Fig. 3 is the cut-away view of the casing that dissects along 3-3 line in Fig. 2.
A kind of casing 10 of the present embodiment, it comprises a metal substrate 100 and a plastic substrate 200.Plastic substrate 200 is located on metal substrate 100.Plastic substrate 200 has a upper surface 210, a lower surface 220 and a perforation 230.In the present embodiment, the material of metal substrate 100 is aluminium, but non-in order to limit the present invention.In other embodiments, the material of metal substrate 100 is aluminium alloys.
In the present embodiment and other part embodiment, upper surface 210 and lower surface 220 are toward each other.The lower surface 220 of plastic substrate 200 is attached at metal substrate 100.Perforation 230 runs through upper surface 210 and lower surface 220.Perforation 230 has one first ring-like wall 232 connected with each other and one second ring-like wall 234.The first ring-like wall 232 connects the ring-like wall 234 of lower surface 220, the second and connects upper surface 210.It should be noted that the second ring-like wall 234 accompanies an obtuse angle θ with upper surface 210.In the present embodiment and other part embodiment, upper surface 210 has more a metal sputtering layer 212.The composition of metal sputtering layer 212 is to be a metal, and this metal sputtering layer 212 is that the mode by sputter is formed on upper surface 210.Therefore, metal sputtering layer 212 can have conductivity.
In the present embodiment and other part embodiment, metal substrate 100 has more an anodization 110, in the face of lower surface 220.Anodization 110 is that the mode of processing by anode forms.
Introduce in detail below the first ring-like wall 232 and the second ring-like wall 234 of perforation 230.In the present embodiment and other part embodiment, the first ring-like wall 232 has one first ora terminalis 2320 and one second ora terminalis 2322.The first ora terminalis 2320 and the second ora terminalis 2322 are toward each other.The first ora terminalis 2320 connects lower surface 210, the second ora terminalis 2322 and connects the second ring-like wall 234.The first distance D 1 between the first ora terminalis 2320 and the second ora terminalis 2322 is between 0.2 to 0.4 millimeter (mm).In one embodiment, the first distance D 1 is 0.3 millimeter.The perforation 230 diameter R that are positioned at the first ring-like wall 232 are essentially 8 millimeters.In the present embodiment and other part embodiment, the second ring-like wall 234 has one the 3rd ora terminalis 2340 and one the 4th ora terminalis 2342, and the 3rd ora terminalis 2340 and the 4th ora terminalis 2342 are toward each other.The 3rd ora terminalis 2340 connects the first ring-like wall 232, and the 4th ora terminalis 2342 connects upper surface 210.In the present embodiment, the 4th ora terminalis 2342 has a second distance D2 perpendicular to the extended surface of the first ring-like wall 232, and second distance D2 is essentially 1.8 millimeters.Between the 3rd ora terminalis 2340 and the 4th ora terminalis 2342, projection has one the 3rd distance D 3, the three distance D 3 in metal substrate 100 and is essentially 3 millimeters.With respect to upper surface 210 and the ring-like wall 232 of lower surface 220, the first and the second ring-like wall 234, can be considered different inclined-planes, and upper surface 210 connects lower surfaces 220 by the first ring-like wall 232 and the second ring-like wall 234.Hereat, by above-mentioned the second ring-like wall 234 and upper surface 210, accompany the structure of an obtuse angle θ, can make metal sputtering layer 212 comparatively even in the sputter of the second ring-like wall 234, and reduce the impedance of plastic substrate 200.Moreover the electric charge of upper surface 210 can be stably sequentially directed at metal substrate 100 via the first ring-like wall 232 and the second ring-like wall 234, and then avoids the generation of static electricity of plastic substrate 200, more can prevent from jumping electricity and produce spark.
In the present embodiment and other part embodiment, plastic substrate 200 has four points 240,242,244,246.Point 240,242,244,246 is on average arranged at the second ring-like wall 234, and point 240,242,244,246 all extends towards the first ring-like wall 232.The point 240,244 of take is example, and point 240,244 lays respectively at the relative both sides of perforation 230.Point 240 has a summit 2402, and summit 2402 is contacted with metal substrate 100.Point 244 has a summit 2442, and summit 2442 is contacted with metal substrate 100.Between summit 2402 and summit 2442, having one the 4th distance D 4, the four distance D 4 is in fact 2 millimeters.Moreover point 240 has two lead angles 2404, lead angle 2404 is away from the second ring-like wall 234, and so lead angle 2404 structures can make sputter comparatively even, and reduce impedance.In the present embodiment, point 240,242,244,246 has respectively a width W, and width W is essentially 3 millimeters.Therefore, the electric charge of upper surface 210 also can be via point 240,242,244,246 stable delivery to metal substrate 100, and then avoids the generation of static electricity of plastic substrate 200.Yet the number of point 240,242,244,246 is non-in order to limit the present invention.In other embodiments, the number of point can be more than 1,2,3 or 5 positive integers.
Comprehensive the above, in casing of the present invention, because the first ring-like wall and upper surface accompany an obtuse angle, the potential difference between plastic substrate and metal substrate can reduce, and to reduce impedance, and makes the electric charge on plastic substrate can stably be directed at metal substrate.So, can solve the electrostatic problem of casing in prior art, more can prevent from jumping electricity and produce pyrophoric problem.Moreover metal substrate can not need to implement electric carving technique again, the electric charge of plastic substrate can stably be directed at metal substrate, so can save manufacturing cost and time.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a casing, is characterized in that, comprises:
One metal substrate; And
One plastic substrate, be located on this metal substrate, the perforation that this plastic substrate has a upper surface respect to one another and a lower surface and runs through this upper surface and this lower surface, this lower surface is attached at this metal substrate, this perforation has one first ring-like wall connected with each other and one second ring-like wall, this first ring-like wall connects this lower surface, and this second ring-like wall connects this upper surface, and wherein this second ring-like wall and this upper surface accompany an obtuse angle.
2. casing according to claim 1, it is characterized in that, this first ring-like wall has one first ora terminalis and one second ora terminalis, this first ora terminalis connects this lower surface, this second ora terminalis connects this second ring-like wall, and the distance between this first ora terminalis and this second ora terminalis is between 0.2 to 0.4 millimeter.
3. casing according to claim 1, it is characterized in that, this second ring-like wall has one the 3rd ora terminalis and one the 4th ora terminalis, the 3rd ora terminalis connects this first ring-like wall, the 4th ora terminalis connects this upper surface, the 4th ora terminalis is essentially 1.8 millimeters perpendicular to the distance of the extended surface of this first ring-like wall, and between the 3rd ora terminalis and the 4th ora terminalis, projection is 3 millimeters in the distance of this metal substrate.
4. casing according to claim 1, is characterized in that, the diameter that this perforation is positioned at this first ring-like wall is 8 millimeters.
5. casing according to claim 1, is characterized in that, this plastic substrate has a point, is located at this second ring-like wall and extends towards this first ring-like wall, and this point has a summit, and this summit is contacted with this metal substrate.
6. casing according to claim 5, is characterized in that, this point has a lead angle, and this lead angle is away from this second ring-like wall.
7. casing according to claim 5, is characterized in that, the width of this point is 3 millimeters.
8. casing according to claim 1, is characterized in that, this plastic substrate has four points, those points are on average arranged at this second ring-like wall, and all towards this first ring-like wall, extend, those points have respectively a summit, and those summits are contacted with this metal substrate.
9. casing according to claim 1, is characterized in that, this upper surface has a metal sputtering layer.
10. casing according to claim 1, is characterized in that, this metal substrate has an anodization, in the face of this lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202386.XA CN104185387B (en) | 2013-05-27 | 2013-05-27 | Casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202386.XA CN104185387B (en) | 2013-05-27 | 2013-05-27 | Casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104185387A true CN104185387A (en) | 2014-12-03 |
| CN104185387B CN104185387B (en) | 2017-02-15 |
Family
ID=51966022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310202386.XA Expired - Fee Related CN104185387B (en) | 2013-05-27 | 2013-05-27 | Casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104185387B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201332559Y (en) * | 2008-11-24 | 2009-10-21 | 环隆电气股份有限公司 | Hand strap blocking structure of hand-held product |
-
2013
- 2013-05-27 CN CN201310202386.XA patent/CN104185387B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104185387B (en) | 2017-02-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: Suilun Industrial Park, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Pinghu xifengda metal products Co.,Ltd. Address before: 201114 Shanghai City Caohejing export processing zone of Minhang District Pu Xing Road No. 789 Co-patentee before: Yingda Co.,Ltd. Patentee before: INVENTEC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |