CN205246940U - Optical fiber device shell - Google Patents
Optical fiber device shell Download PDFInfo
- Publication number
- CN205246940U CN205246940U CN201520978727.7U CN201520978727U CN205246940U CN 205246940 U CN205246940 U CN 205246940U CN 201520978727 U CN201520978727 U CN 201520978727U CN 205246940 U CN205246940 U CN 205246940U
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- CN
- China
- Prior art keywords
- pin
- ceramic
- stage
- housing
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an optical fiber device shell, including the electronic components body, the pin that links to each other with the electronic components body, cover the casing of electronic components body, the pin passes the hole of casing bottom and stretches out outside the casing, the pin includes the pin first stage and pin second stage, pin prime period number is in the casing, pin second rank period number is outside the casing, and the one end and the welding of circuit board of the pin first stage are kept away from to the pin second stage, set up the abutment sleeve of free cover in the pin second stage in the pin second stage, the setting is welded respectively on the casing and on the circuit board in the abutment sleeve both ends, the bottom of casing is equipped with the hole, is equipped with ceramic insulator in the hole of casing bottom, and ceramic insulator includes the ceramic body in in -band hole, the surface cladding has a ceramic metalizing layer with the hole on the outside of ceramic body surface, and it has the brazing metal layer to weld between the ceramic metalizing layer on the hole surface of ceramic body and the pin and between the hole of the ceramic metalizing layer on the outside surface of ceramic body and casing.
Description
Technical field
The utility model relates to an electronic devices and components shell, specifically a kind of optical fibre device shell.
Background technology
Electronic devices and components are the small-sized machine of electronic component and electricity, the part of instrument, itsBody is often made up of some parts, can be general in like product; Often refer to electrical equipment, radio,Some part of instrument etc. industry, total as sub-devices such as electric capacity, transistor, hairspring, clockwork springsClaim. Common are diode etc. The encapsulation of traditional electronics unit device be mainly by with electronics unitThe connected pin of device is welded on circuit board, but in the time of batch production operation, because pinComparatively tiny, with regard to probably occurring the problem of pin and circuit board rosin joint, in addition in workUnder condition rugged environment, also likely cause welding good pin and occur sealing-off phenomenon, as shakeMoving occasion very greatly very frequently, therefore study the reliable electric motor element device of a kind of bonding strength has very muchNecessary.
Utility model content
For realizing described object, the utility model provides following technical scheme: a kind of optical fibre deviceShell, comprise electronic devices and components body, with the pin that electronic devices and components body is connected, cover electricityThe housing of sub-components and parts body, pin stretches out outside housing through the hole of housing bottom, and pin comprisesPin first stage and pin second stage, the pin first stage is positioned at housing, pin secondStage is positioned at outside housing, and pin second stage is away from one end and the circuit board of pin first stageWelding, is provided with the positioning sleeve of empty set in pin second stage in described pin second stageCylinder, described abutment sleeve two ends weld be respectively arranged on housing and circuit board on; Described housingBottom be provided with hole, in the hole of housing bottom, be provided with ceramic insulator, ceramic insulator comprises bandThe ceramic body of endoporus; Outer surface and the bore area of ceramic body are coated with ceramic metallized layer,Between the ceramic metallized layer of the bore area of ceramic body and pin and the outside of ceramic body tableBetween the ceramic metallized layer of face and the hole of housing, be welded with the metal welding bed of material.
Described abutment sleeve is metal hose.
The described metal welding bed of material is money base solder layer, and scolder is AgCu28 alloy.
Described ceramic metallized layer is molybdenum manganese base ceramic metallized layer.
The outer surface of described ceramic insulator is the surface of revolution, and its form tolerance is less than or equal to its public affairsClaim 0.2 times of diameter.
Compared with prior art, the beneficial effects of the utility model are:
1, by empty set, the abutment sleeve on pin is realized electronic devices and components and circuit boardThe reliability of bonding strength, for the requirement of different welding and assembling heights, safety sleeve is metal hoseOr be several sections of sleeve compositions.
2, the existing simple structure of the utility model, shape and processing technology, have again goodMechanical strength, dielectric strength, compressive resistance and resistance to mechanical shock and high/low-temperature impact performance,Reliability and service life also improve a lot. It can be widely used in various discrete devices, collectionBecome in the encapsulation of the electronic devices and components tube cores such as circuit, chip
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, in the utility model embodimentTechnical scheme be clearly and completely described, obviously, described embodiment is only thisUtility model part embodiment, instead of whole embodiment. Based in the utility modelEmbodiment, those of ordinary skill in the art obtain under creative work prerequisite not makingEvery other embodiment, belongs to the scope that the utility model is protected.
Refer to Fig. 1-2, in the utility model embodiment, a kind of optical fibre device shell, comprisesElectronic devices and components body 1, the pin 2 being connected with electronic devices and components body 1, cover electronics unitThe housing 3 of device body 1, pin 2 stretches out outside housing 3 through the hole of housing 3 bottoms, drawsPin 2 comprises pin first stage 21 and pin second stage 22,21 of pin first stageIn housing 3, pin second stage 22 is positioned at outside housing 3, and pin second stage 22 is far awayFrom one end and the welding circuit board of pin first stage 21, in pin second stage 22, be provided withThe abutment sleeve 4 of empty set in pin second stage 22, weld respectively at abutment sleeve 4 two endsBe arranged on housing 3 and circuit board on.
Abutment sleeve 4 by empty set on pin 2 is realized electronic devices and components and circuit boardThe reliability of bonding strength, in order to meet the requirement of different welding and assembling heights, safety sleeve is metalFlexible pipe, utilizes the pliability of metal hose, thereby while welding, needn't require the good essence of installing in advanceDegree, can carry out later stage adjustment.
The bottom of described housing 3 is provided with hole, in the hole of housing 3 bottoms, is provided with ceramic insulator,Ceramic insulator comprises the ceramic body 6 with endoporus; The outer surface of ceramic body 6 and bore areaBe coated with ceramic metallized layer 7, the ceramic metallized layer of the bore area of ceramic body 67 and drawingBetween the pin 2 and ceramic metallized layer 7 of the outer surface of ceramic body 6 and the hole of housing 3Between be welded with the metal welding bed of material 5.
The metal welding bed of material 5 is money base solder layers, and scolder is AgCu28 alloy. Ceramic metallizationLayer 7 is molybdenum manganese base ceramic metallized layers. The outer surface of ceramic insulator is the surface of revolution, its shapeShape tolerance is less than or equal to 0.2 times of its nominal diameter.
The existing simple structure of the utility model, shape and processing technology, have again good machineryIntensity, dielectric strength, compressive resistance and resistance to mechanical shock and high/low-temperature impact performance, reliableProperty and also improving a lot service life. It can be widely used in various discrete devices, integrated electricIn the encapsulation of the electronic devices and components tube cores such as road, chip.
Claims (5)
1. an optical fibre device shell, comprise electronic devices and components body, with electronic devices and components thisThe pin that body is connected, covers the housing of electronic devices and components body, and pin is through the hole of housing bottomStretch out outside housing, pin comprises pin first stage and pin second stage, pin first stageBe positioned at housing, pin second stage is positioned at outside housing, and pin second stage is away from pinOne end of one-phase and welding circuit board, is characterized in that, in described pin second stage, arrangesThe free abutment sleeve being enclosed within pin second stage, described abutment sleeve two ends are welded and are established respectivelyPut on housing and circuit board on; The bottom of described housing is provided with hole, the Kong Zhongshe of housing bottomHave ceramic insulator, ceramic insulator comprises the ceramic body with endoporus; The outer surface of ceramic bodyBe coated with ceramic metallized layer with bore area, the ceramic metallized layer of the bore area of ceramic bodyAnd between pin and between the ceramic metallized layer of the outer surface of ceramic body and the hole of housingBe welded with the metal welding bed of material.
2. a kind of optical fibre device shell according to claim 1, is characterized in that instituteStating abutment sleeve is metal hose.
3. a kind of optical fibre device shell according to claim 1, is characterized in that instituteStating the metal welding bed of material is money base solder layer, and scolder is AgCu28 alloy.
4. a kind of optical fibre device shell according to claim 1, is characterized in that instituteStating ceramic metallized layer is molybdenum manganese base ceramic metallized layer.
5. a kind of optical fibre device shell according to claim 1, is characterized in that instituteThe outer surface of stating ceramic insulator is the surface of revolution, and its form tolerance is less than or equal to its nominal diameter0.2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978727.7U CN205246940U (en) | 2015-11-27 | 2015-11-27 | Optical fiber device shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978727.7U CN205246940U (en) | 2015-11-27 | 2015-11-27 | Optical fiber device shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246940U true CN205246940U (en) | 2016-05-18 |
Family
ID=55946020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520978727.7U Expired - Fee Related CN205246940U (en) | 2015-11-27 | 2015-11-27 | Optical fiber device shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969842A (en) * | 2017-04-17 | 2017-07-21 | 武汉联钧科技有限公司 | A kind of photoelectric sensor and infrared radiation thermometer |
-
2015
- 2015-11-27 CN CN201520978727.7U patent/CN205246940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969842A (en) * | 2017-04-17 | 2017-07-21 | 武汉联钧科技有限公司 | A kind of photoelectric sensor and infrared radiation thermometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20171127 |