CN204439880U - A kind of accurate SMA adapter - Google Patents
A kind of accurate SMA adapter Download PDFInfo
- Publication number
- CN204439880U CN204439880U CN201520094240.2U CN201520094240U CN204439880U CN 204439880 U CN204439880 U CN 204439880U CN 201520094240 U CN201520094240 U CN 201520094240U CN 204439880 U CN204439880 U CN 204439880U
- Authority
- CN
- China
- Prior art keywords
- lock pin
- metal lock
- caudal peduncle
- adapter
- accurate
- 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
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a kind of accurate SMA adapter, comprise adapter main body, the metal lock pin that adapter main body comprises caudal peduncle, matches with described caudal peduncle, described caudal peduncle and described metal lock pin are all arranged with swivel nut outward, and described swivel nut and described metal lock pin socket place are provided with the slotted collar of annular; One end of described metal lock pin is provided with storage tank, the other end of described metal lock pin is provided with the alternate annular lug that rises and falls, described annular lug plugs with adapter and is connected, the fiber orientation hole being provided with center bullport in described metal lock pin and being communicated with described center bullport; One end of described caudal peduncle is positioned in described storage tank and is connected with described metal lock pin, and the other end of described caudal peduncle is provided with optic fibre hole.This accurate SMA adapter achieves high precision, the high-level efficiency connection of optical fiber, improves connector plugging number of times, improves production efficiency, reduce processing cost, achieve batch production, extend serviceable life.
Description
Technical field
the utility model relates to optical tester table adapter technical field, more particularly relates to a kind of accurate SMA adapter.
Background technology
Along with country's greatly developing optical fiber communication industry, the quickening of the integration of three networks advances, and optical communications industry obtains the development of advancing by leaps and bounds, and fiber to the home network is pushed forward comprehensively, and optical network unit connects needs a large amount of joints of optical fibre.In the use of the joints of optical fibre, the SMA joints of optical fibre are most popular one.The features such as the SMA joints of optical fibre are single fiber connectors, have screw thread locking mechanism, and be a kind of widely used small-sized joints of optical fibre be threaded, it is little that it has insertion loss, and performance is excellent, highly reliable, the life-span is long.
But SMA is as the joints of optical fibre, bare fibre is fixed in the aperture of metal lock pin, metal lock pin external diameter is connected adaptation with adapter, so this just needs the aperture of fixing bare fibre and connects adaptive metal lock pin external diameter to have very high shape and positional precision, its technological requirement is very high, and add production cost, do not realize batch production.
In addition, SMA connector adaptation procedure needs frequent plug, and this, with regard to requiring that the lock pin of adaptive plug has rub resistance, the feature of long service life, can be applicable to modern production line high efficiency production.But SMA connector of the prior art can not meet this requirement.Therefore, in order to meet the need of market, need one can high efficiency production, there is again high-accuracy characteristic, and cost be low, the joints of optical fibre of long service life.
Utility model content
It is high that the technical matters that the utility model solves is to provide a kind of positioning precision, the accurate SMA adapter of long service life.
For the technical scheme solving the problems of the technologies described above employing is: a kind of accurate SMA adapter, comprise adapter main body, the metal lock pin that adapter main body comprises caudal peduncle, matches with described caudal peduncle, described caudal peduncle and described metal lock pin are all arranged with swivel nut outward, and described swivel nut and described metal lock pin socket place are provided with the slotted collar of annular; One end of described metal lock pin is provided with storage tank, the other end of described metal lock pin is provided with the alternate annular lug that rises and falls, described annular lug plugs with adapter and is connected, the fiber orientation hole being provided with center bullport in described metal lock pin and being communicated with described center bullport; One end of described caudal peduncle is positioned in described storage tank and is connected with described metal lock pin, and the other end of described caudal peduncle is provided with optic fibre hole.
Further, be provided with through hole in described caudal peduncle, one end of described through hole is communicated with described optic fibre hole, and the other end of described through hole is communicated with described fiber orientation hole.
Further, described metal lock pin is also provided with ring groove, described slotted collar is placed with in described ring groove.
Further, described metal lock pin adopts stainless steel material to make.
The beneficial effects of the utility model are:
The fiber orientation hole that accurate SMA adapter of the present utility model is provided with center bullport and is communicated with center bullport in metal lock pin, center bullport arranges with fiber orientation hole and is communicated with the precision and concentricity that ensure that whole accurate SMA adapter, achieve the high precision of optical fiber, high-level efficiency connects, improve connector plugging number of times, improve production efficiency, reduce processing cost, achieve batch production, extend serviceable life.In addition, by arranging storage tank in one end of metal lock pin, one end of caudal peduncle is positioned in storage tank and is connected with described metal lock pin, and whole SMA adapter structure is simple, easy to process, reliable and stable.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the accurate SMA adapter of the utility model.
Fig. 2 is the cut-open view of caudal peduncle in the accurate SMA adapter of the utility model.
Fig. 3 is the cut-open view of metal lock pin in the accurate SMA adapter of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Figure 1 to Figure 3, a kind of accurate SMA adapter, comprises adapter main body, the metal lock pin 20 that adapter main body comprises caudal peduncle 10, matches with caudal peduncle 10.Caudal peduncle 10 is all arranged with swivel nut 30 with metal lock pin 20 is outer, and swivel nut 30 and metal lock pin 20 socket place are provided with the slotted collar 40 of annular.One end of metal lock pin 20 is provided with storage tank 21, the other end of metal lock pin 20 is provided with the alternate annular lug 24 that rises and falls, annular lug 24 plugs with adapter and is connected, the fiber orientation hole 23 being provided with center bullport 22 in metal lock pin 20 and being communicated with center bullport 22.One end of caudal peduncle 10 is positioned in storage tank 21 and is connected with metal lock pin 20, and the other end of caudal peduncle 10 is provided with optic fibre hole 11.Metal lock pin 20 is also provided with ring groove 25, and slotted collar 40 is placed with in ring groove 25, and metal lock pin 20 adopts stainless steel material to make.Be provided with through hole 12 in caudal peduncle 10, one end of through hole 12 is communicated with optic fibre hole 11, and the other end of through hole 12 is communicated with fiber orientation hole 23.、
In the utility model, the external diameter of metal lock pin is 3.17+0.002/-0.003mm, and external diameter adopts the method grinding of centreless grinding, and process of lapping adopts thick finishing to combine, and reaches outside dimension 0.005mm precision and Ra0.4 surfaceness by repeatedly grinding.
Accurate SMA adapter of the present utility model adopts accurate little lathe process fiber orientation hole, and first process the center bullport of 1.6 mm at end face, and guarantee the positional precision of center bullport, the concentricity of center bullport and external diameter is 0.01mm.Then adopt high precision chit drill centrally bullport process the fiber orientation hole of 0.155+0.01/0mm, fiber orientation hole is used as the fixing of bare fibre and location, and this processing technology ensure that shape and the positional precision in fiber orientation hole, the positioning precision of bare fibre can be ensured, realize optical-fibre precise to connect, improve connector plugging number of times, extend physical life.
In order to improve plug number of times and serviceable life in the utility model, so metal lock pin adopts stainless steel to make, because stainless steel belongs to difficult-to-machine material, its cutting ability is very poor, toughness is large, large to the friction of cutter, easily produce high temperature and burn cutter, thermal expansion factor is large, work in-process is yielding, and boring is semiclosed processing, particularly chip removal difficulty during brill aperture, easy breaking.Mm hole, fiber orientation hole 0.155 belongs to micro hole, and hole tolerance is very little, only has 0.01mm, adopts common twist drill cannot ensure dimensional accuracy at all, and easy fracture.Therefore here cutter adopts special chit drill to process, and the superhard wimet of heat-resistant antifriction selected by cutter material, and sharpening goes out large anterior angle, makes cutting edge sharp, suitably strengthens relief angle, to reduce the friction of rear knife face and machined surface.And the metal lock pin adopting stainless steel to make, has wearing quality good, the feature of long service life, plugs more than 10000 times.And metal lock pin precision is high, adaptive connection is accurate, and fiber orientation is accurate, and measuring accuracy is high, and the precision that can be used between fiber active linker connects and is coupled, and insertion loss is less than 0.2dB.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. an accurate SMA adapter, comprise adapter main body, it is characterized in that: the metal lock pin (20) that adapter main body comprises caudal peduncle (10), matches with described caudal peduncle (10), described caudal peduncle (10) and described metal lock pin (20) are all arranged with swivel nut (30) outward, and described swivel nut (30) and described metal lock pin (20) socket place are provided with the slotted collar (40) of annular; One end of described metal lock pin (20) is provided with storage tank (21), the other end of described metal lock pin (20) is provided with the alternate annular lug (24) that rises and falls, described annular lug (24) plugs with adapter and is connected, the fiber orientation hole (23) being provided with center bullport (22) in described metal lock pin (20) and being communicated with described center bullport; One end of described caudal peduncle (10) is positioned in described storage tank (21) and is connected with described metal lock pin (20), and the other end of described caudal peduncle (10) is provided with optic fibre hole (11).
2. the accurate SMA adapter of one according to claim 1, it is characterized in that: in described caudal peduncle (10), be provided with through hole (12), one end of described through hole (12) is communicated with described optic fibre hole (11), and the other end of described through hole (12) is communicated with described fiber orientation hole (23).
3. the accurate SMA adapter of one according to claim 1, is characterized in that: described metal lock pin (20) is also provided with ring groove (25), and described slotted collar (40) is positioned in described ring groove (25).
4. the accurate SMA adapter of one according to claim 1, is characterized in that: described metal lock pin (20) adopts stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094240.2U CN204439880U (en) | 2015-02-10 | 2015-02-10 | A kind of accurate SMA adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094240.2U CN204439880U (en) | 2015-02-10 | 2015-02-10 | A kind of accurate SMA adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439880U true CN204439880U (en) | 2015-07-01 |
Family
ID=53607728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520094240.2U Expired - Fee Related CN204439880U (en) | 2015-02-10 | 2015-02-10 | A kind of accurate SMA adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022124A (en) * | 2015-07-23 | 2015-11-04 | 常州市开拓科联通信设备有限公司 | Optical fiber connector |
| CN111796368A (en) * | 2020-07-30 | 2020-10-20 | 埃尔发光电智能科技(常州)有限公司 | Optical fiber coupling system |
-
2015
- 2015-02-10 CN CN201520094240.2U patent/CN204439880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022124A (en) * | 2015-07-23 | 2015-11-04 | 常州市开拓科联通信设备有限公司 | Optical fiber connector |
| CN111796368A (en) * | 2020-07-30 | 2020-10-20 | 埃尔发光电智能科技(常州)有限公司 | Optical fiber coupling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204439880U (en) | A kind of accurate SMA adapter | |
| CN101693344B (en) | Turning clamp | |
| CN207971819U (en) | A kind of MPO wire jumpers grinding clamp | |
| CN202462210U (en) | Grinding clamp for APC (angled pressed connector) short ferrule optical fiber connector | |
| CN103676020A (en) | Processing and assembling process of optical fiber connector | |
| CN205826914U (en) | A kind of double APC physical fit device | |
| CN104965266A (en) | Zirconia ceramic insertion core and optical fiber connector connection method | |
| CN207695713U (en) | A kind of interior cooling structure of milling handle | |
| CN205139429U (en) | Take ceramic lock pin of inclined hole, ceramic lock pin subassembly and emission of light receipt subassembly | |
| CN203551843U (en) | Nonstandard optical fiber ceramic inserting core | |
| CN205280984U (en) | Step pottery lock pin | |
| CN205949866U (en) | Thin wall spare processingequipment | |
| CN203658623U (en) | Non-contact fiber rapid connector | |
| CN201511289U (en) | Artificial rigid disc for processing negative crescent optical lens | |
| CN205129023U (en) | Drilling chamfer synthetics | |
| CN203838369U (en) | Positioning device for optical fiber connector | |
| CN202219330U (en) | Transitional jacket for boring cutters | |
| CN207799150U (en) | A kind of optical fiber ceramic lock pin chamfering device | |
| CN201960215U (en) | Floating reaming device for machine | |
| CN201997731U (en) | Tool bit connecting structure of precision machine tool cutter | |
| CN205121021U (en) | High return loss optical assembly adapter of integral type | |
| CN201413409Y (en) | Optical fiber connector as well as plug and socket thereof | |
| CN204832584U (en) | Inclined hole zirconia ceramic lock pin | |
| CN204790071U (en) | Optical fiber connector | |
| CN211614453U (en) | Expansion tool suitable for machining cylinder body of large marine diesel engine |
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: 20150701 Termination date: 20170210 |