CN104133280A - Cover body for optical element - Google Patents
Cover body for optical element Download PDFInfo
- Publication number
- CN104133280A CN104133280A CN201310158777.6A CN201310158777A CN104133280A CN 104133280 A CN104133280 A CN 104133280A CN 201310158777 A CN201310158777 A CN 201310158777A CN 104133280 A CN104133280 A CN 104133280A
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- CN
- China
- Prior art keywords
- lid
- optical element
- pilot hole
- interior cup
- cup portion
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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.)
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Abstract
The invention provides a cover body for an optical element, which can effectively lessen improper stress generated in the case of welding process and enable the inner part of the cover body to be kept in a fully airtight state. The cover body comprises an inner cup part and an outer cylinder part, the inner cup part is provided with a bottom part, the center of the bottom part is provided with a positioning hole, a light passing piece can be packaged in the positioning hole, and a turning part is provided between the inner cup part and the outer cylinder part.
Description
Technical field
A kind of lid, especially relates to a kind of lid that is used in optical element.
Background technology
As everyone knows, optics is used for covering with lid part the optical element such as light-emitting component or photo detector that optical communication or optical sensor etc. use, adopt one by making its inner maintenance airtight conditions, thus the formation that can carry out rightly input and the output of light to optical element.Therefore, at this optics, with in lid part, making its inner maintenance airtight conditions is extremely important item, if the permanent airtight conditions that keeps of lid inside parts for optics just can protect light-emitting component or photo detector not to be affected by external environment.
Specifically, this optics comprises with lid part: have the lid main body of cup shape, its tip side end in cylindrical portion links cap; And light-transmitting member (for example ball lens), it utilizes low melting point glass cement and is fixed wtih on the cap of this lid main body, and the through hole forming on cap is sealed.And this optics is to carry out electric resistance welding being provided with on the base of above-mentioned optical element (stem) with lid part conventionally.
Please refer to the optics lid part of the application case of patent of invention publication number 200941056, only do the description of primary structure at this.With reference to figure 1, for the structural representation of lid part for the optics of prior art, with reference to figure 2, the schematic diagram while carrying out welding for the optics of prior art with lid part.As shown in Figure 1, the optics of prior art includes the sphere lens 40 on the cap 30 that covers lid main body 20 cylindraceous and be arranged on this lid main body 20 with lid part 10, this lid main body 20 links cap 30 by the first linking part 50c on the tip side end 50x that forms cylindrical portion 50 cylindraceous, and links flange part 50f by the second linking part 50d on the 50y of the base end side end of this cylindrical portion 50.
Cap 30 center in lid main body 20 is formed with through hole 30a, and to seal the form of this through hole 30a, and make sphere lens 40 utilize low melting point glass cement 60 to be fixed, and the first linking part 50c is towards inner face bending.
The cylindrical portion 50 of lid main body 20 is distinguished into base end side region 50a and tip side region 50b, and prior art is characterised in that the external diameter of cylindrical portion 50 is that the whole of top ends region 50b are in a ratio of path with base end side region 50a.And the region-wide outer peripheral face of cylindrical portion 50, the process shifting from base end side to tip side, does not exist tip side to form large diameter position compared with base end side.That is the outer peripheral face of tip side region 50b is diameter reduction gradually along with the transfer from base end side to tip side.
With reference to figure 2, in the time that optics is carried out to welding by cap member 10 on base 70, be the electrode 80 for electric resistance welding (diagram is omitted in detail) that uses the spring clamp hair style that is divided into several parts, base 70 is received optical element 100 is installed in advance.
When the cylindrical portion 50 of electrode 80 fastening cover phosphor bodies 20 for electric resistance welding, but its fastening force is mainly to act on the base end side region 50a of cylindrical portion 50, on the 50b of tip side region, almost have an effect without fastening force, so, the impact of the forging and stamping that this tip side region 50b applies while not being subject to electric resistance welding, is suppressed at by this on the cap 30 that the tip side end of this tip side region 50b links by the first linking part 50c and produces stress improperly.
But, the shortcoming of prior art is, the effect that slows down stress is still limited, in fact in the time of welding, due to downforce can be when the crimping moment rise, although stress can partly be subdued through out-of-date the first linking part 50c, but the first linking part 50c does not have toughness and cap 30 is directly contacted with sphere lens 40, especially the first linking part 50c is towards inner face bending, cause stress inwardly to directly act on the first linking part 50c and cap 30 by tip side region 50b, cause cap 30 that the situation of improper distortion still likely occurs, and cause low melting point glass cement 60 to break.
Hence one can see that, the diameter only seeing through between base end side region 50a and tip side region 50b changes, and the setting of the first linking part 50c, and cannot effectively improve the problem of cap 30 improper distortion, in the time of the improper distortion of cap 30, will destroy the airtight conditions of cap 30 inside, cause light-emitting component or photo detector to be easily subject to the impact of external environment and lost efficacy or damaged.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of lid for optical element, it has advantages of the manufacturing cost of saving, and can avoid lid that distortion improperly occurs, make the inside of lid be kept airtight conditions, guarantee that the optical element such as light-emitting component or photo detector that lid covers keeps good working state.
For reaching above-mentioned purpose, concrete technological means of the present invention includes one interior glass of portion and a urceolus portion, and this interior cup portion has a bottom, and the center of this bottom offers a pilot hole, one transmission element can be packaged among this pilot hole, wherein between this interior cup portion and this urceolus portion, has a turning point.
Lid of the present invention is for to be stamped to form type to plate-like substrate.The benefit of this mode is effectively to utilize each part of plate-like substrate, only can produce very a small amount of waste wood, and reach the object of saving manufacturing cost, also very environmental protection in the process of making lid.
Another object of the present invention is to provide optical element, for at least including a lid, this lid has one interior glass of portion and a urceolus portion, and this interior cup portion has a bottom, the center of this bottom offers a pilot hole, wherein between this interior cup portion and this urceolus portion, has a turning point.
Wherein, more comprise a translucent element, a bonding agent and a pedestal, this bonding agent is located on this bottom, under this bottom or be located at the upper and lower of this bottom simultaneously.
In addition, this translucent element is placed among this pilot hole and with this pilot hole and is separated with mutually a gap; This bonding agent is more located in this gap, uses and fixes and seal this optical element in this pilot hole; This pedestal is positioned under this lid, and engages with this lid.
Wherein, turning point is integrally formed with impact style, the turning point of giving after shaping has enough toughness intensity and elastic strength, external influence can be done to effective buffering in urgent power and the impulsive force of lid, allow the lid just can be in welding processing procedure, be able to the stress that moment increases just effectively to be cushioned when by turning point.
Therefore, can guarantee the phenomenon of the improper deformation of the unlikely generation of interior cup portion and pilot hole place, therefore therefore the transmission element in pilot hole and bonding agent can not be offset and damage, and use to reach to keep lid portion inside airtight conditions completely.
Brief description of the drawings
Fig. 1 is the structural representation of the optics lid part of prior art;
Fig. 2 is the schematic diagram of the optics lid part of prior art while carrying out welding;
Fig. 3 is the schematic diagram of the lid of optical element of the present invention;
Fig. 4 a is the schematic diagram of the present invention for the first preferred embodiment of optical element;
Fig. 4 b is the schematic diagram of the present invention for the second preferred embodiment of optical element;
Fig. 4 c is the schematic diagram of the present invention for the 3rd preferred embodiment of optical element;
Fig. 5 is the schematic diagram of the present invention for the 4th preferred embodiment of optical element.
Wherein, description of reference numerals is as follows:
1 lid
11 interior glasss of portions
13 urceolus portions
15 turning points
111 bottoms
1111 pilot holes
3 translucent elements
5 bonding agents
7 pedestals
9 electronic components
131 flange parts
1311 stitch
D gap
10 optics lid part
20 lid main bodys
30 caps
40 sphere lenses
50 cylindrical portion
60 low melting point glass cements
100 optical elements
30a through hole
50a base end side region
50b tip side region
50c the first linking part
50d the second linking part
50x tip side end
50y base end side end
50f flange part
Embodiment
Below coordinate graphic and component symbol to do more detailed description to embodiments of the present invention, so that those of ordinary skill in the art are studying carefully after this instructions and can implement according to this.
With reference to figure 3, it is the schematic diagram of the lid of optical element of the present invention.The present invention be about a kind of for the lid 1 of optical element, it includes interior cup portion 11, urceolus portion 13 and turning point 15, wherein turning point 15 is between interior cup portion 11 and urceolus portion 13.The material of this lid 1 comprises iron, stainless steel, ferronickel, copper and above-mentioned arbitrary alloy, and the material of this lid 1 also can be used non-metallic material, such as plastic material, ceramic material, glass material and other suitable non-metallic material.
As shown in Figure 3, turning point 15 represents with twill-like, and turning point 15 is close to one end of lid 1 inner side and the top of interior cup portion 11 joins, and one end that turning point 15 is close to lid 1 outside joins with the top of urceolus portion 13.Shown in above-mentioned explanatory note and cooperation drawing, can learn that interior cup portion 11 is positioned at the inner side of lid 1,13, urceolus portion is positioned at the outside of lid 1, and interior cup portion 11 and urceolus portion 13 form an one-piece construction by therebetween turning point 15, be the lid 1 with ectonexine structure of the present invention.
Wherein, interior cup portion 11 can present aspect wide at the top and narrow at the bottom, and urceolus portion 13 is now wide interior narrow or all become up and down wide aspect.Or interior cup portion 11 and urceolus portion 13 present all wide up and down aspect.
Interior cup of the present invention portion 11 can (be shown in that Fig. 4 a) does to install for translucent element.Interior cup portion 11 has bottom 111, and the center of the bottom 111 of interior cup portion 11 offers pilot hole 1111, and wherein translucent element can be packaged among pilot hole 1111.
In a preferred embodiment of the present invention, translucent element can be lens.
Lid 1 of the present invention is for to be stamped to form type to plate-like substrate, such as to transmit transfer formula impact style, tabular base material being done to punching press.The benefit of this mode is effectively to utilize each part of base material, only can produce very a small amount of waste wood making in the process of lid, also can recycling even if produce waste wood, use reduction manufacturing cost.
The production method that makes lid moulding of the prior art is, prepares a block base material, then see through subdue block base material do not need part, that is see through Cutting Process and make block base material become the lid with a reservation shape.But, in the process of making, but can produce many scattered waste wood, and can produce the dust particle that pollutes board equipment or even pollute fabrication in working angles.Therefore, in prior art, also must increase by one manufacturing process for cleaning, to remove the dust particle that may be attached to lid inner and outer circumferential surfaces.
From the above, no matter therefore and outside the impact of elder generation's make efficiency and cost of manufacture, even if in fact see through manufacturing process for cleaning, particle dust in lid inner and outer circumferential surfaces also cannot be removed completely, so particle dust will make lid and other element be difficult to reach bubble-tight requirement in the time of follow-up encapsulation, and particle dust also can make the precision of assembling produce error.
As everyone knows, the advantage of cutting technology is high manufacturing accuracy, and therefore, cutting technology is still widely used in manufacturing on various precision elements now.In fact,, as long as suitable precision die and the precision equipment of design, collocation model specialty producer's ability, also can produce by stamping technology the lid 1 that precision is equivalent to make with cutting technology.
And technical characteristics of the present invention is the turning point 15 of lid 1, turning point 15 is own with certain toughness intensity and elastic strength, therefore, and in the time running into the extraneous impulsive force applying, seeing through its elasticity can effectively cushion impulsive force, also has the effect of shock-absorbing while usually use.
Lid 1 is in the time of the manufacturing process of optical element, especially can be in the time carrying out electric resistance welding processing procedure, lid 1 can closely be clamped and press down by collet chuck mechanism, in this processing procedure, fastening force and downforce can act on the outer peripheral face of lid 1 always, and by the design of turning point 15, to make fastening force and downforce only can act on the part of turning point below 15, if fastening force and downforce increase suddenly, the planform of turning point 15 and elasticity can significantly be alleviated stress, guarantee the phenomenon of interior cup portion 11 and the unlikely generation deformation of pilot hole 1111.
In fact the turning point 15 that, has toughness intensity need just can be produced moulding by impact briquetting technology.Although seeing through cutting technology also can be general as the profile of turning point 15 by block base material is cut into, but the block base material of rigidity its part finally existing after cutting is still rigidity, due to toughness undercapacity, therefore the scarce capacity of shock absorbing, make lid be easily distorted distortion phenomenon, have a strong impact on follow-up assembled with high precision processing procedure.
With reference to figure 4a, for the present invention is for the schematic diagram of the first preferred embodiment of optical element, with reference to figure 4b, for the present invention is for the schematic diagram of the second preferred embodiment of optical element, with reference to figure 4c, for the present invention is for the schematic diagram of the 3rd preferred embodiment of optical element.
As shown in Fig. 4 a, optical element of the present invention includes lid 1, and lid 1 also includes interior cup portion 11, urceolus portion 13 and turning point 15, and wherein turning point 15 is between interior cup portion 11 and urceolus portion 13.
Turning point 15 is close to one end of lid 1 inner side and the top of interior cup portion 11 joins, and one end that turning point 15 is close to lid 1 outside joins with the top of urceolus portion 13.Shown in above-mentioned explanatory note and cooperation drawing, can learn that interior cup portion 11 is positioned at the inner side of lid 1,13, urceolus portion is positioned at the outside of lid 1, and interior cup portion 11 and urceolus portion 13 form an one-piece construction by therebetween turning point 15, be the lid 1 with ectonexine structure of the present invention.
Wherein, interior cup portion 11 can present wide at the top and narrow at the bottom or all wide aspect up and down, and urceolus portion 13 is now wide interior narrow or all become up and down wide aspect.Interior cup portion 11 has bottom 111, and the center of the bottom 111 of interior cup portion 11 offers pilot hole 1111.
As shown in Fig. 4 a, optical element of the present invention further includes translucent element 3, bonding agent 5 and pedestal 7, wherein, this translucent element 3 is arranged among pilot hole 1111, or be disposed on this bottom 111 or this bottom under 111, bonding agent 5 can be located at (with reference to figure 4c) under (with reference to figure 4b) on this bottom 111, this bottom 111 or be located at upper and lower (with reference to the figure 5) of this bottom 111 simultaneously.
As shown in Fig. 4 a, translucent element 3 be placed among pilot hole 1111 and with the internal face of the pilot hole 1111 gapped d of being separated by.Bonding agent 5 is more located in gap d and bottom 111, uses cemented translucent element 3 and be sealed in pilot hole 1111.Wherein translucent element 3 can be lens.
In one embodiment of the invention, bonding agent 5 can be solid-state scolder, liquid solder or UV glue.
Pedestal 7 is positioned under lid 1, and engages with lid 1.Wherein, the one side corresponding to lid 1 of pedestal 7 is provided with electronic component 9, after pedestal 7 engages with lid 1, electronic component 9 on pedestal 7 can be packaged in the confined space that pedestal 7 and lid 1 form, use aqueous vapor and micronic dust are denial in outside the confined space that pedestal 7 and lid 1 form, make electronic component 9 be brought into play for a long time its effect.Above-mentioned electronic component can be the element with lighting function, have and be subject to the element of light function, the element with sensitization function or other suitable electronic component.
Shown in Fig. 4 a, the bottom of urceolus portion 13 outwardly extended go out the bottom surface of two flange part 131, two flange parts 131 of mutual correspondence respectively set out stitch 1311, stitch 1311 engages in electric resistance welding mode with pedestal 7.Or stitch 1311 is bonded into one with resistance welded mode or tin cream welding manner with pedestal 7 under the condition of vacuum environment or at least one atmosphere.
Lid 1 is in the time of the manufacturing process of optical element, especially can be in the time carrying out electric resistance welding processing procedure, lid 1 can closely be clamped and press down by collet chuck mechanism, in this processing procedure, fastening force and downforce can act on the outer peripheral face of lid 1 always, and by the design of turning point 15, to make fastening force and downforce only can act on the part of turning point below 15, if fastening force and downforce increase suddenly, the planform of turning point 15 and elasticity can significantly be alleviated stress effectively and slow down, and guarantee the phenomenon of interior cup portion 11 and the unlikely generation deformation of pilot hole 1111.
Therefore, the situation that the translucent element 3 in pilot hole 1111 just skew can not occur in the time of electric resistance welding processing procedure or break, makes the inside of optical element keep airtight state.
With reference to figure 5, for the present invention is for the schematic diagram of another preferred embodiment of optical element, and please coordinate shown in Fig. 4 a, the embodiment of Fig. 5 and Fig. 4 a is roughly the same, but bonding agent 5 is located in gap d and the locating up and down of bottom 111, use cemented translucent element 3 and be sealed in pilot hole 1111, make the inside of optical element keep airtight state.
The foregoing is only to explain preferred embodiment of the present invention, not attempt is done any pro forma restriction to the present invention according to this.Therefore, all have under identical invention spirit, do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protection.
Claims (10)
1. a lid for optical element, is characterized in that, at least includes one interior glass of portion and a urceolus portion, this interior cup portion has a bottom, the center of this bottom offers a pilot hole, and a translucent element can be packaged among this pilot hole, wherein between this interior cup portion and this urceolus portion, has a turning point.
2. the lid of optical element as claimed in claim 1, is characterized in that, this interior cup portion presents wide at the top and narrow at the bottom or presents all wide up and down aspect, and this urceolus portion is now wide interior narrow or present all wide up and down aspect.
3. the lid of optical element as claimed in claim 2, is characterized in that, this translucent element can be lens.
4. an optical element, is characterized in that, at least includes a lid, and this lid has one interior glass of portion and a urceolus portion, and this interior cup portion has a bottom, and the center of this bottom offers a pilot hole, wherein between this interior cup portion and this urceolus portion, has a turning point.
5. optical element as claimed in claim 4, is characterized in that, more comprises a translucent element, and this translucent element is arranged on this bottom or under this bottom.
6. optical element as claimed in claim 5, is characterized in that, more includes a bonding agent, and wherein this bonding agent is located on this bottom or under this bottom.
7. optical element as claimed in claim 4, is characterized in that, this translucent element is placed among this pilot hole and with this pilot hole and is separated with mutually a gap.
8. optical element as claimed in claim 5, is characterized in that, more includes a bonding agent, and this bonding agent is more located in this gap.
9. the optical element as described in claim 6 or 8, is characterized in that, more includes a pedestal, and this pedestal is positioned under this lid, and engages with this lid.
10. optical element as claimed in claim 9, it is characterized in that, the bottom of this urceolus portion towards outside extended go out two flange parts of mutual correspondence, the bottom surface of this two flange part respectively arranges a stitch, and this stitch engages with resistance welded mode or tin cream welding manner under vacuum environment or at least one atmosphere with this pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158777.6A CN104133280A (en) | 2013-05-03 | 2013-05-03 | Cover body for optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158777.6A CN104133280A (en) | 2013-05-03 | 2013-05-03 | Cover body for optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104133280A true CN104133280A (en) | 2014-11-05 |
Family
ID=51806022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310158777.6A Pending CN104133280A (en) | 2013-05-03 | 2013-05-03 | Cover body for optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104133280A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295152A (en) * | 1978-06-19 | 1981-10-13 | U.S. Philips Corporation | Optical coupler with a housing permitting adjustment of the distance between the light source and the lens |
| JP2006106504A (en) * | 2004-10-07 | 2006-04-20 | Nippon Electric Glass Co Ltd | Optical cap component |
| CN101109840A (en) * | 2007-08-21 | 2008-01-23 | 三星高新电机（天津）有限公司 | Glasses lens plated non-focusing mobile phone camera |
| CN101900863A (en) * | 2009-05-26 | 2010-12-01 | 上海伟钊光学科技有限公司 | Pipe cap lens |
| CN203337901U (en) * | 2013-05-03 | 2013-12-11 | 张永昇 | Optical element and cover body of the optical element |
-
2013
- 2013-05-03 CN CN201310158777.6A patent/CN104133280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295152A (en) * | 1978-06-19 | 1981-10-13 | U.S. Philips Corporation | Optical coupler with a housing permitting adjustment of the distance between the light source and the lens |
| JP2006106504A (en) * | 2004-10-07 | 2006-04-20 | Nippon Electric Glass Co Ltd | Optical cap component |
| CN101109840A (en) * | 2007-08-21 | 2008-01-23 | 三星高新电机（天津）有限公司 | Glasses lens plated non-focusing mobile phone camera |
| CN101900863A (en) * | 2009-05-26 | 2010-12-01 | 上海伟钊光学科技有限公司 | Pipe cap lens |
| CN203337901U (en) * | 2013-05-03 | 2013-12-11 | 张永昇 | Optical element and cover body of the optical element |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20141105 |