CN203337901U

CN203337901U - Optical element and cover body of the optical element

Info

Publication number: CN203337901U
Application number: CN2013202338831U
Authority: CN
Inventors: 张永昇
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-03
Filing date: 2013-05-03
Publication date: 2013-12-11
Anticipated expiration: 2023-05-03

Abstract

The utility model discloses an optical element and a cover body of the optical element. The optical element at least comprises one cover body. The cover body at least comprises an inner cup part and an outer cylinder part. The inner cup part has a bottom. The center of the bottom is provided with a positioning hole. A light transmission element can be packaged inside the positioning hole. A transition part is arranged between the inner cup part and the outer cylinder part.

Description

The lid of optical element and this optical element

Technical field

The utility model relates to the lid of a kind of optical element and this optical element.

Background technology

As everyone knows, optics with the lid part for covering the optical elements such as light-emitting component that optical communication or optical sensor etc. use or photo detector, adopt a kind of by making it inner keep airtight conditions, thereby can carry out rightly the formation of input and the output of light to optical element.Therefore, at this optics, with in the 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 the lid part: the lid main body of cup shape is arranged, and its end of tip side 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 formed through hole on cap is sealed.And this optics is to carry out electric resistance welding being equipped with on the base of above-mentioned optical element (stem) with the lid part usually.

Please refer to the optics lid part of the application case of patent of invention publication number 200941056, at this, only do the description of main structure.With reference to figure 1, for the optics of the prior art structural representation with the lid part, with reference to figure 2, the schematic diagram while for the optics of prior art, with the lid part, carrying out welding.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 the inner face bending.

The cylindrical portion 50 of lid main body 20 is distinguished into base end side zone 50a and tip side zone 50b, and prior art is characterised in that the external diameter of cylindrical portion 50 is that the regional 50a of whole and base end side of top ends zone 50b is in a ratio of path.And the region-wide outer peripheral face of cylindrical portion 50, the process shifted from base end side to tip side, does not exist tip side to form large diameter position than base end side.That is the outer peripheral face of tip side zone 50b is diameter reduction gradually along with the transfer from base end side to tip side.

With reference to figure 2, when 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 taken in advance optical element 100 is installed.

When the cylindrical portion 50 of electric resistance welding with electrode 80 fastening cover phosphor bodies 20, but its fastening force is mainly to act on the base end side zone 50a of cylindrical portion 50, on the 50b of tip side zone, almost without fastening force, have an effect, so, the impact of the forging and stamping that this tip side zone 50b applies while not being subject to electric resistance welding, be suppressed at by this on the cap 30 that the tip side end of this tip side zone 50b links by the first linking part 50c and produce stress improperly.

Yet, the shortcoming of prior art is, the effect that slows down stress is still limited, in fact when 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 is not had toughness and a cap 30 and directly is contacted with sphere lens 40, especially the first linking part 50c is towards the inner face bending, cause stress inwardly to directly act on the first linking part 50c and cap 30 by tip side zone 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 seen through between base end side zone 50a and tip side zone 50b changes, and the setting of the first linking part 50c, and can't effectively improve the problem of cap 30 improper distortion, when the improper distortion of cap 30, will destroy the airtight conditions of cap 30 inside, cause light-emitting component or photo detector easily to be subject to the impact of external environment and lost efficacy or damaged.

The utility model content

Fundamental purpose of the present utility model 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 elements such as light-emitting component that lid covers or photo detector keep good working state.

For reaching above-mentioned purpose, concrete technological means of the present utility model includes one interior glass of section and a urceolus section, and in this, cup section has a bottom, and the center of this bottom offers a pilot hole, one transmission element can be packaged among this pilot hole, in wherein being somebody's turn to do, between cup section and this urceolus section, has a turning point.

Lid of the present utility model 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 in the process of making lid, and reach the purpose of saving manufacturing cost, also very environmental protection.

Another purpose of the present utility model is to provide optical element, for at least including a lid, this lid has one interior glass of section and a urceolus section, and in this, cup section has a bottom, the center of this bottom offers a pilot hole, in wherein being somebody's turn to do, between cup section and this urceolus section, has a turning point.

Wherein, more comprise a translucent element, a bond and a pedestal, this bond 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 bond more is 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 lid just can, in the welding processing procedure, be able to the stress that moment increases is just effectively cushioned by turning point the time.

Therefore, can guarantee the phenomenon of the improper deformation of the unlikely generation of interior cup section and pilot hole place, so the transmission element in pilot hole and bond can be therefore and skew and damaging, use to reach and keep lid portion inside airtight conditions completely.

The accompanying drawing explanation

The structural representation of lid part for the optics that Fig. 1 is prior art;

The schematic diagram when optics that Fig. 2 is prior art carries out welding with the lid part;

The schematic diagram that Fig. 3 is the lid of optical element in the utility model;

Fig. 4 a is the schematic diagram of the utility model for the first preferred embodiment of optical element;

Fig. 4 b is the schematic diagram of the utility model for the second preferred embodiment of optical element;

Fig. 4 c is the schematic diagram of the utility model for the 3rd preferred embodiment of optical element;

Fig. 5 is the schematic diagram of the utility model for the 4th preferred embodiment of optical element.

Wherein, description of reference numerals is as follows:

1 lid

11 interior glasss of sections

13 urceolus sections

15 turning points

111 bottoms

1111 pilot holes

3 translucent elements

5 bonds

7 pedestals

9 electronic components

131 flange parts

1311 stitch

The 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

The 30a through hole

50a base end side zone

50b tip side zone

50c the first linking part

50d the second linking part

50x tip side end

50y base end side end

The 50f flange part

Embodiment

Those of ordinary skill in the art below coordinate graphic and component symbol to do more detailed description to embodiment of the present utility model, so that can implement according to this after studying this instructions carefully.

With reference to figure 3, it is the schematic diagram of the lid of the utility model optical element.The utility model is relevant a kind of lid for optical element 1, and it includes interior cup section 11, urceolus section 13 and turning point 15, and wherein turning point 15 is between interior cup section 11 and urceolus section 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 means with twill-like, and turning point 15 is close to an end of lid 1 inboard and the top of interior cup section 11 joins, and the end that turning point 15 is close to lid 1 outside joins with the top of urceolus section 13.Shown in above-mentioned explanatory note and cooperation drawing, can learn that interior cup section 11 is positioned at the inboard of

lid

1,13 outsides that are positioned at lid 1 of urceolus section, and interior cup section 11 and urceolus section 13 form an one-piece construction by therebetween turning point 15, be the lid 1 with ectonexine structure of the present utility model.

Wherein, interior cup section 11 can present aspect wide at the top and narrow at the bottom, and urceolus section 13 is now wide interior narrow or all become up and down wide aspect.Perhaps, interior cup section 11 and urceolus section 13 present all wide up and down aspect.

Interior cup of the present utility model section 11 can (be shown in Fig. 4 and a) do installation for translucent element.Interior cup section 11 has bottom 111, and the center of the bottom 111 of interior cup section 11 offers pilot hole 1111, and wherein translucent element can be packaged among pilot hole 1111.

In a preferred embodiment of the present utility model, translucent element can be lens.

Lid 1 of the present utility model 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 in making the process of lid, also can recycling even produce waste wood, use the reduction manufacturing cost.

The production method of lid moulding that makes of the prior art is, prepares the base material of a bulk, 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.Yet, but can produce many scattered waste wood in the process of making, 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 the 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, in fact, even see through manufacturing process for cleaning, particle dust on the lid inner and outer circumferential surfaces also can't be removed completely, so particle dust will make lid and other element be difficult to reach bubble-tight requirement when 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 still is 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 utility model is the turning point 15 of lid 1, turning point 15 is own with certain toughness intensity and elastic strength, therefore, and when running into the extraneous impulsive force applied, see through its elasticity and impulsive force effectively can be done to buffering, also there is the effect of shock-absorbing while usually using.

Lid 1 is when the manufacturing process of optical element, especially can be when carrying out the 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 section 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 the impact briquetting technology.Also the base material to block can be cut into to the general profile as turning point 15 although see through cutting technology, but the part of the base material of the bulk of rigidity its last existence of institute after cutting is still rigidity, due to the toughness undercapacity, so scarce capacity of shock absorbing, make easily the be distorted phenomenon of deformation of lid, have a strong impact on follow-up assembled with high precision processing procedure.

With reference to figure 4a, for the schematic diagram of the utility model for the first preferred embodiment of optical element, with reference to figure 4b, be the schematic diagram of the utility model for the second preferred embodiment of optical element, with reference to figure 4c, be the schematic diagram of the utility model for the 3rd preferred embodiment of optical element.

As shown in Fig. 4 a, optical element of the present utility model includes lid 1, and lid 1 also includes interior cup section 11, urceolus section 13 and turning point 15, and wherein turning point 15 is between interior cup section 11 and urceolus section 13.

Turning point 15 is close to an end of lid 1 inboard and the top of interior cup section 11 joins, and the end that turning point 15 is close to lid 1 outside joins with the top of urceolus section 13.Shown in above-mentioned explanatory note and cooperation drawing, can learn that interior cup section 11 is positioned at the inboard of

lid

Wherein, interior cup section 11 can present wide at the top and narrow at the bottom or all wide aspect up and down, and urceolus section 13 is now wide interior narrow or all become up and down wide aspect.Interior cup section 11 has bottom 111, and the center of the bottom 111 of interior cup section 11 offers pilot hole 1111.

As shown in Fig. 4 a, optical element of the present utility model further includes translucent element 3, bond 5 and pedestal 7, wherein, this translucent element 3 is arranged among pilot hole 1111, perhaps be disposed on this bottom 111 or this bottom under 111, bond 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.Bond 5 more is located in gap d and, on bottom 111, is used translucent element 3 is cemented and be sealed in pilot hole 1111.Wherein, translucent element 3 can be lens.

In an embodiment of the present utility model, bond 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, when pedestal 7 with after lid 1 engages, 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 element with lighting function, have the element that is subject to the light function, the element with sensitization function or other suitable electronic component.

Shown in Fig. 4 a, the bottom surface that the bottom of urceolus section 13 extends out two flange part 131, two flange parts 131 of mutual correspondence outwardly respectively sets out stitch 1311, and stitch 1311 engages in the electric resistance welding mode with pedestal 7.Perhaps, 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 when the manufacturing process of optical element, especially can be when carrying out the 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 section 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 when the electric resistance welding processing procedure or break, make the inside of optical element keep airtight state.

With reference to figure 5, for the schematic diagram of the utility model for 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 bond 5 is located in gap d and is reached locating up and down of bottom 111, use translucent element 3 is cemented and be sealed in pilot hole 1111, making the inside of optical element keep airtight state.

The foregoing is only to explain preferred embodiment of the present utility model, not attempt is done any pro forma restriction to the utility model according to this.Therefore, all have do relevant any modification of the present utility model or change under identical creation spirit, all must be included in the category of the utility model intention protection.

Claims

1. the lid of an optical element, is characterized in that, at least includes one interior glass of section and a urceolus section, in being somebody's turn to do, cup section has a bottom, the center of this bottom offers a pilot hole, and a translucent element can be packaged among this pilot hole, in wherein being somebody's turn to do, between cup section and this urceolus section, has a turning point.

2. the lid of optical element as claimed in claim 1, is characterized in that, cup section presents wide at the top and narrow at the bottom or presents all wide up and down aspect in this, and this urceolus section 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 section and a urceolus section, and in this, cup section has a bottom, and the center of this bottom offers a pilot hole, in wherein being somebody's turn to do, between cup section and this urceolus section, 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 bond, and wherein this bond 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 bond, and this bond more is located in this gap.

9. optical element as described as claim 6 or 8, is characterized in that, more includes a pedestal, and this pedestal is positioned under this lid, and engage with this lid.

10. optical element as claimed in claim 9, it is characterized in that, the bottom of this urceolus section extends out two flange parts of mutual correspondence towards the outside, 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.