CN106162389A - A kind of boring method, shell and electronic equipment - Google Patents
A kind of boring method, shell and electronic equipment Download PDFInfo
- Publication number
- CN106162389A CN106162389A CN201510129264.1A CN201510129264A CN106162389A CN 106162389 A CN106162389 A CN 106162389A CN 201510129264 A CN201510129264 A CN 201510129264A CN 106162389 A CN106162389 A CN 106162389A
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- Prior art keywords
- hole
- preset hole
- preset
- shell
- housing precursor
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Abstract
For overcoming electronic equipment casing surface in prior art by the problem of the produced burr plugging hole of machining, the invention provides a kind of boring method, including: S1, provide a matrix, form preset hole at base inner surface, obtain housing precursor；On direction from base inner surface to outer surface, the inwall of preset hole is gradually restrained；S2, on the position corresponding with preset hole, from housing precursor outer surface inner surface, housing precursor is carried out perforate process, forms the through hole of through housing precursor；Through hole inwall intersects with the inwall of preset hole, and the projection that through hole is on housing precursor inner surface is positioned within preset hole projects on housing precursor inner surface.Meanwhile, the invention also discloses the shell prepared by said method and there is the electronic equipment of this shell.The through hole that the boring method provided by the present invention is formed will not produce burr, can avoid the problem blocking aperture that burr is brought, and is beneficial to ensure volume or the audio of electronic equipment.
Description
Technical field
The present invention relates to a kind of boring method, the shell prepared by this boring method and there is the electricity of this shell
Subset.
Background technology
At present, electronic equipment (mobile phone, panel computer, notebook computer etc.) in the modern life increasingly
Universal.Generally, electronic equipment needs importing and exporting of sound, accordingly, it would be desirable to be positioned at electronic equipment casing
Internal sounding components and parts form unimpeded passage with extraneous, above-mentioned passage be usually positioned at shell (plastic cement,
Metal or plastic cement and the coalition of metal) one or more holes inside and outside upper and through shell.Meanwhile, for
Making electronic equipment entirety more attractive, the aperture in above-mentioned hole is the least.
But, for the hole that aperture is less, it is difficult to by mould molding, usual manner is by machining (example
As bore or milling) mode be prepared.After above-mentioned machining, it will usually at processed surface of the work
Burr occurs.Above-mentioned burr would generally block the hole that need to prepare and cause electronic equipment appearance abnormal (the most whole
The problem such as machine noise, distorsion, volume are the least).
By the problem overcoming above-mentioned burr to be caused, in prior art, usual employing manually utilizes cutter to often
The mode that individual hole is removed one by one.But said method is extremely inefficient.
Summary of the invention
The technical problem to be solved is to be added by machine for electronic equipment casing surface in prior art
The problem of burr blocking aperture produced by work, it is provided that a kind of boring method.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem used:
A kind of boring method is provided, comprises the steps:
S1, provide a matrix, form preset hole at described base inner surface, obtain housing precursor；From described
Base inner surface is on the direction of outer surface of matrix, and the inwall of described preset hole is in gradually restraining shape；
S2, on the position corresponding with described preset hole, in described housing precursor outwardly shell precursor
Surface carries out perforate process to housing precursor, forms the through hole of through described housing precursor, obtains shell；
Described through hole inwall intersects with the inwall of described preset hole, and described through hole is in described housing precursor
Within projection on surface is positioned at the projection on housing precursor inner surface of the described preset hole.
Meanwhile, present invention also offers a kind of shell, prepared by aforesaid method.
It addition, present invention also offers a kind of electronic equipment, including foregoing shell.
In the present invention, first it is processed to form above-mentioned preset hole at base inner surface, then enters outside housing precursor
Row perforate processes, and the position of perforate need to ensure that the inwall of through hole and the preset hole ultimately formed intersects, when opening
When hole has processed, owing to the through hole that will be formed is positioned at said structure towards the opening inside housing precursor
On the inwall of preset hole, by the mating reaction of preset hole inwall, can effectively by through hole towards housing precursor
The material of the edge of opening of inner side removes, it is to avoid the generation of burr, thus prevents through hole blocked, is beneficial to
Ensure volume or the audio of electronic equipment.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the electronic equipment that the first embodiment of the present invention provides；
Fig. 2 is the front view of the electronic equipment that the first embodiment of the present invention provides；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 is partial enlarged drawing at B in Fig. 3；
Fig. 5 is the axonometric chart of the first embodiment housing precursor of the present invention；
Fig. 6 is the front view of the first embodiment housing precursor of the present invention；
Fig. 7 be in Fig. 6 C-C to sectional view；
Fig. 8 is the front view of the second embodiment housing precursor of the present invention；
Fig. 9 be in Fig. 8 D-D to sectional view；
Figure 10 is the axonometric chart of the third embodiment housing precursor of the present invention；
Figure 11 is the front view of the third embodiment housing precursor of the present invention；
Figure 12 be in Fig. 6 E-E to sectional view.
Reference in Figure of description is as follows:
10, shell；11, housing precursor；20, through hole；30, preset hole.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, with
Lower combination drawings and Examples, are further elaborated to the present invention.Should be appreciated that described herein
Specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
In describing the invention, it is to be understood that term " interior ", " outward " are defined as follows:
" interior ": for shell, after it is assembled into final electronic equipment, towards the one of electronic equipment internal
Side is " interior ".It should be understood that for the matrix in the present invention and housing precursor, its " interior " side
After becoming shell for final preparation, side inwardly.
" outward ": the side relative with above-mentioned " interior ".
In describing the invention, except as otherwise noted, " multiple " are meant that two or more.
The boring method that the present invention provides, comprises the steps:
S1, provide a matrix, form preset hole at described base inner surface, obtain housing precursor；From described
Base inner surface is on the direction of outer surface of matrix, and the inwall of described preset hole is in gradually restraining shape；
S2, on the position corresponding with described preset hole, in described housing precursor outwardly shell precursor
Surface carries out perforate process to housing precursor, forms the through hole of through described housing precursor, obtains shell；
Described through hole inwall intersects with the inwall of described preset hole, and described through hole is in described housing precursor
Within projection on surface is positioned at the projection on housing precursor inner surface of the described preset hole.
Boring method of the prior art is typically directly processed on matrix, is formed inside and outside through matrix
Hole.In the present invention, on the basis of Conventional open-pore method, prepare on matrix according to the step of above-mentioned S1 in advance
Preset hole, obtains housing precursor, is then carrying out perforate process.
In the present invention, the matrix used during perforate is the conventional parts for preparing casting of electronic device,
Its material can be plastics or metal, it is also possible to for plastic/metal complex.The present invention is for the knot of matrix
Structure does not has any restriction, and its structure can carry out respective design according to the requirement of the electronic equipment of required preparation.
According to the present invention, such as step S1, first form preset hole at base inner surface, obtain housing precursor.Its
In, for realizing the purpose avoiding producing burr, the side from described base inner surface to outer surface of matrix need to be ensured
Upwards, the inwall of described preset hole is in gradually restraining shape.
In the present invention, the inwall of above-mentioned preset hole can be regarded as in gradually restraining shape: from one end of preset hole to
On the direction of the other end, the internal diameter of preset hole is gradually reduced.Such as, above-mentioned preset hole structure is substantially in loudspeaker
Shape, it is relatively big towards the opening inside housing precursor, less towards the one end outside housing precursor.Permissible
Understand, this preset hole view field on described housing precursor inner surface be described preset hole towards
Opening region inside housing precursor.
This preset hole can be blind hole or be the through hole running through matrix, in the present invention, under preferable case, in advance
Apertured is blind hole.
For preset hole, its global shape can be various, and based on existing processing technique, preset hole is usual
For conventional structure, such as, it is specifically as follows spherical crown shape, round table-like or coniform.Now, at preset hole axle
On the cross section at place, the cross section of preset hole is followed successively by circular arc, trapezoidal and triangle.In the present invention, excellent
In the case of choosing, preset hole is coniform.
In the present invention, above-mentioned preset hole is mainly used in providing special construction, to ensure when follow-up perforate processes
Impulse-free robustness produces.Therefore, the through hole number that the number of preset hole is offered needed for needing basis is corresponding.
According to the present invention, the processing method of above-mentioned preset hole can use the various of routine.Such as, matrix is worked as
Generally during plastics, above-mentioned preset hole can be concurrently formed when regular injection molding forms this matrix, only need root
It is designed adjusting to related die according to needs.Equally, it is also possible to after obtaining matrix, routine is used
Machining mode prepare above-mentioned preset hole.As is known in the art, the mode of machining pore-forming can
Think brill or milling.
When matrix generally metal, can prepare above-mentioned pre-by conventional machining (boring or milling) mode
Apertured.
And when matrix is plastic/metal complex, can be according to the material of the preset hole position of required formation
The above-mentioned machining of corresponding selection or injection molding.
According to the present invention, above-mentioned injection moulding and machining (boring or milling) concrete grammar and technique are normal
Rule, the present invention is not particularly limited.
The housing precursor with preset hole i.e. can be obtained by above-mentioned steps S1.
In the present invention, the housing precursor that above-mentioned steps S1 obtains need to be carried out perforate process.As existing, card
When hole processes, operate the most from outside to inside.In the present invention, concrete, need to be obtained according to step S1
The position of preset hole, first position, to ensure that the inwall of through hole that perforate obtains after processing is with described
The inwall of preset hole intersects.Behind location, by a conventional method from described housing precursor outwardly shell precursor
Inner surface carries out perforate process to housing precursor, thus the through hole needed for being formed.
For above-mentioned through hole, according to the purposes that they are different, its aperture can be different, but, in the present invention,
For reaching the effect avoiding producing burr, need to ensure when perforate processes, the inwall of through hole is interior with preset hole
Wall intersect (herein " inwall of through hole intersects with the inwall of preset hole " can be regarded as through hole inwall and
The intersection of preset hole is positioned on the inwall of preset hole).Therefore, through hole should be less than preset hole, concrete,
The projection on described housing precursor inner surface of the described through hole is positioned at described preset hole at housing precursor inner surface
On projection within.It should be understood that on housing precursor, preset hole towards the one end outside housing precursor
Should be less than through hole, and when perforate processes and advances row location, needed for need to ensureing, the through hole of formation covers
Lid preset hole towards the one end outside housing precursor.
On described base inner surface to the direction of outer surface of matrix, the inwall of preset hole is in gradually restraining shape
On the premise of, when perforate processes, make the inwall of through hole intersect with the inwall of preset hole, through hole can be made
Inwall tilts to intersect with the inwall of preset hole.During perforate processes, being different from intersects vertically easily is intersecting
Margin residual burr, in the case of tilting to intersect, will moment of through described matrix, the most easily residual
The part forming burr can be removed simultaneously, thus avoids the generation of burr.
According to the present invention, the concrete shape of through hole is not particularly limited, and based on conventional processing technique, passes through
Through hole can be cylindric.Under preferable case, described preset hole is coniform, processes, in perforate, row location of advancing
Time, make the axis collinear of the axis of coniform preset hole and the cylindric through hole of required formation, location
Convenient.
The aperture of through hole is different and different according to the effect of through hole, when as the audio hole of propagation sound,
As conventional, the aperture of described through hole is 0.5-1mm.Adding man-hour, those skilled in the art can be based on through
The aperture in hole, according to practical situation to the size of preset hole (preset hole be positioned at opening on inside housing precursor
The size of mouth) it is adjusted.
According to the present invention, under different function requirements, the number of through hole also can be different, it is generally the case that
The number of through hole is multiple.As described in the present invention, preset hole quantity is identical with through hole, and,
Described through hole and preset hole one_to_one corresponding.
In the present invention, in step S2, described perforate processing method for machining, can be such as (brill or
Milling).It should be understood that in the present invention, when carrying out perforate process, perforate direction and the axis of described preset hole
Parallel or conllinear.Then, the axis of the through hole obtained is parallel with the axis of described preset hole or conllinear.
By said method, in the case of there is preset hole, then carry out perforate process can effectively avoid hair
Thorn generation, thus ensure through hole unobstructed and the most blocked.
Meanwhile, present invention also offers a kind of shell, prepared by said method.It should be understood that
This shell has following structure, has the through hole and preset hole being interconnected, described preset hole court in shell
Interior one end extends to inner surface of outer cover, and preset hole one end outwardly is positioned at shell；Described through hole is from advance
Apertured one end outwardly extends to outer surface of outer cover；Further, from described inner surface of outer cover to outer surface of outer cover
On direction, the inwall of described preset hole is in gradually restraining shape.
It addition, present invention also offers a kind of electronic equipment using above-mentioned shell.Concrete, outside above-mentioned
When the through hole of shell is used for propagating sound, described electronic equipment includes loudspeaker, and the preset hole of described shell is the most right
Described loudspeaker.
The housing provided the present invention below in conjunction with Fig. 1-Figure 12 and the structure of electronic equipment are carried out furtherly
Bright.
Fig. 1-Fig. 7 shows the concrete structure of the electronic equipment under the first embodiment that the present invention provides,
This electronic equipment includes shell 10 and the loudspeaker being packaged in shell 10 and other various functional parts.
Wherein, the most as Figure 1-Figure 4, shell 10 is offered along the vertical direction with shell 10 surface
There is multiple cylindrical shape through hole 20.Through hole 20 one end outwardly extends to shell 10 outer surface, through
One end inwardly, hole 20 is positioned at shell 10.
The aperture of through hole 20 is 0.5-1mm.
Also have in shell 10 and be positioned at one end of shell 10 from through hole 20 and extend to shell 10 inner surface
Preset hole 30.Through hole 20 connects with preset hole 30.Preset hole 30 is round table-like, such as Fig. 3 and Fig. 4
Shown in, on the cross section that preset hole 30 is axial, the cross section of preset hole 30 is trapezoidal.
Fig. 5-Fig. 7 shows the structure preparing the housing precursor 11 before becoming shell 10.Can from figure
Go out, housing precursor 11 inner surface has multiple preset hole 30.Preset hole 30 is round table-like blind hole.
Use this housing precursor 11 to prepare shell 10, when carrying out perforate process, adjust position of opening and make required shape
The axis of the through hole 20 become and the axis collinear of this preset hole 30, and the aperture of through hole 20 is more than pre-
Apertured 30 is towards the radius of the one end outside housing precursor 11, less than preset hole 30 towards housing precursor 11
The aperture of the opening of inner side.
In present embodiment, the loudspeaker of electronic equipment internal are just to above-mentioned preset hole 30.The sound that loudspeaker send
Can preset hole 30 through being interconnected and through hole 20 to propagate to shell 10 outside.
Fig. 8 and Fig. 9 shows the structure of the housing precursor 11 in the second embodiment.In present embodiment,
Electronic equipment, other structures of shell 10 are identical with the structure in the first embodiment, except for the difference that, and shell
Preset hole 30 on precursor 11 is spherical crown shape, accordingly, and the preset hole 30 on the shell 10 of electronic product
For spherical crown shape.
Figure 10-Figure 12 shows the structure of the housing precursor 11 in the third embodiment.In present embodiment,
Electronic equipment, other structures of shell 10 are identical with the structure in the first embodiment, except for the difference that, and shell
Preset hole 30 on precursor 11 is coniform, accordingly, and the preset hole 30 on the shell 10 of electronic product
For coniform.
The boring method that the present invention provides will not produce burr in Tapping procedures, can effectively ensure through hole
20 unimpeded, be beneficial to ensure electronic equipment audio.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. a boring method, it is characterised in that comprise the steps:
S1, provide a matrix, form preset hole (30) at described base inner surface, obtain housing precursor (11)；
From described base inner surface to the direction of outer surface of matrix, the inwall of described preset hole (30) is in gradually receiving
Hold back shape；
S2, on the position corresponding with described preset hole (30), from described housing precursor (11) outer surface
To housing precursor (11) inner surface, housing precursor (11) is carried out perforate process, form through described shell
The through hole (20) of precursor (11), obtains shell (10)；Described through hole (20) inwall is pre-with described
The inwall of apertured (30) intersects, and described through hole (20) is at described housing precursor (11) inner surface
On projection be positioned at the described preset hole (30) projection on housing precursor (11) inner surface within.
Boring method the most according to claim 1, it is characterised in that described preset hole (30) is ball
Crown, round table-like or coniform.
Boring method the most according to claim 1 and 2, it is characterised in that described preset hole (30)
For blind hole.
Boring method the most according to claim 3, it is characterised in that described through hole (20) is circle
Column, the aperture of described through hole (20) is 0.5-1mm.
5. according to the boring method described in any one in claim 1,2 or 4, it is characterised in that institute
Stating matrix is plastics, metal or plastic/metal complex.
6. according to the boring method described in any one in claim 1,2 or 4, it is characterised in that institute
Stating in step S1, the method forming preset hole (30) at described base inner surface is machining or injection moulding.
7. according to the boring method described in any one in claim 1,2 or 4, it is characterised in that institute
Stating in step S2, described perforate processing method is machining.
8. according to the boring method described in any one in claim 1,2 or 4, it is characterised in that institute
State in step S1, form multiple described preset hole (30) at described base inner surface；
In described step S2, described housing precursor (11) is offered individual with the plurality of preset hole (30)
The through hole (20) that number is identical；Described through hole (20) and preset hole (30) one_to_one corresponding.
9. a shell, it is characterised in that prepared by the method described in any one in claim 1-8
Obtain.
10. an electronic equipment, it is characterised in that include shell as claimed in claim 9 (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129264.1A CN106162389B (en) | 2015-03-23 | 2015-03-23 | Hole opening method, shell and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129264.1A CN106162389B (en) | 2015-03-23 | 2015-03-23 | Hole opening method, shell and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106162389A true CN106162389A (en) | 2016-11-23 |
| CN106162389B CN106162389B (en) | 2021-03-26 |
Family
ID=58064270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510129264.1A Active CN106162389B (en) | 2015-03-23 | 2015-03-23 | Hole opening method, shell and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106162389B (en) |
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| CN104780479A (en) * | 2014-01-11 | 2015-07-15 | 富泰华精密电子（郑州）有限公司 | Electronic device with sound passing hole and electronic device sound passing hole processing method |
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|---|---|---|---|---|
| CN2729862Y (en) * | 2004-07-27 | 2005-09-28 | 蒋安邦 | Valve sound-absorbing component |
| US20070223735A1 (en) * | 2006-03-27 | 2007-09-27 | Knowles Electronics, Llc | Electroacoustic Transducer System and Manufacturing Method Thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106162389B (en) | 2021-03-26 |
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