CN101950057A - Optical fiber connector and assembly methods thereof - Google Patents
Optical fiber connector and assembly methods thereof Download PDFInfo
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- CN101950057A CN101950057A CN 201010288953 CN201010288953A CN101950057A CN 101950057 A CN101950057 A CN 101950057A CN 201010288953 CN201010288953 CN 201010288953 CN 201010288953 A CN201010288953 A CN 201010288953A CN 101950057 A CN101950057 A CN 101950057A
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- cover body
- ferrule assembly
- outer cover
- flexible member
- lock pin
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Abstract
The invention relates to the technical field of optical fiber connecting devices, in particular to an optical fiber connector and assembly methods thereof. The optical fiber connector comprises a housing body, an insert core component, an elastic element and a cover plate, wherein a cavity running through the front and the back is arranged in the housing body, and an opening is further arranged on the side surface on the housing body; and the insert core component and the elastic element are assembled and then arranged in the cavity through the opening. The invention further discloses two assembly methods of the structure. Therefore, the optical fiber connector has the characteristics of still keeping high strength under the situation of having high density and small volume, facilitating the assembly, and having few parts, low cost and convenient mold opening.
Description
Technical field
The present invention relates to the optical fiber splicing device technical field, refer in particular to a kind of joints of optical fibre and assembly method thereof.
Background technology
Along with the development of the network technology, optical fiber has obtained increasingly extensive application as a kind of high speed, wideband data communications connectors spare.The common structure of optical fiber be from inside to outside fibre core, overlay, tight sleeve layer, spin the synthetic fibre layer, the protection overcoat coats successively and forms, the assembly structure of existing fiber connector mostly is that some glue is inserted optical fiber more earlier, as shown in Figure 1, traditional connector shell mostly adopts procapsid a and back casing b package assembly, when the more and more higher and smaller volume of joints of optical fibre density to a certain degree the time, the intensity of the junction of the joints of optical fibre shell of this structure is relatively poor; In addition, when smaller volume, this traditional connector is worn difficulty of fibre.
Summary of the invention
Purpose of the present invention is exactly that a kind of novel structure, intensity height, parts are few, the fibre joints of optical fibre and two kinds of assembly methods are easily worn in assembling for providing of providing at the deficiencies in the prior art part.
For achieving the above object, content of the present invention is a kind of joints of optical fibre, includes: outer cover body, ferrule assembly, flexible member, cover plate, and the cavity that communicates before and after having in the outer cover body, the side on outer cover body also is provided with opening; Ferrule assembly and flexible member assembling back are installed in the described cavity by described opening.
Described ferrule assembly can be by a global facility moulding, also can form by lock pin and lock pin tailstock, the front end of described lock pin tailstock has inserting groove, and the rear end of described lock pin tailstock has the pilot hole that communicates with inserting groove, and an end of lock pin is fixed in the inserting groove of lock pin tailstock.
Integrated injection molding has the metal caudal peduncle in described outer cover body rear end, and metal caudal peduncle center has through hole, and this through hole is communicated with described cavity; Have the front end through hole at described outer cover body front end, this front end through hole is communicated with described cavity.
The front end through hole that the front end of the lock pin in the described ferrule assembly passes outer cover body is exposed outside, and the front end face of lock pin tailstock supports and is located on the inwall that has the front end through hole; Flexible member is socketed on the lock pin tailstock and flexible member one end supports and to be located on the lock pin tailstock, and the flexible member other end supports and is located on the described cavity inner wall; The lock pin tail spindle makes that in activity is installed in described cavity the pilot hole at lock pin tailstock center is parallel corresponding with optical fiber reeve direction.
When inserting the optical fiber cooperation, drip in the core hole of lock pin fixing glue is arranged, the tight sleeve layer of the optical fiber after fiber stripping is handled pierces in the cavity by the through hole of outer cover body rear end metal caudal peduncle and is plugged in the pilot hole at lock pin tailstock center, the fibre core of optical fiber leading section solidifies after being plugged in core hole in the lock pin, and the cover plate of chatting is fixed on the outer cover body opening.
On described metal caudal peduncle, also be socketed with fixed fiber and spin the fixed sleeving and the heat-shrinkable T bush of synthetic fibre layer.
Described lock pin tailstock is made by metal material, and lock pin is generally used ceramic material.
Described flexible member is a spring.
The present invention adopts first kind of assembly method of said structure, and this method is assembled by outer cover body, the cover plate of ferrule assembly, flexible member, lateral opening, and this method includes following steps:
The first step is enclosed within flexible member on the ferrule assembly;
Second step was installed in ferrule assembly and the flexible member opening by the outer cover body side in the cavity of outer cover body, flexible member one end was supported being located on the ferrule assembly, and the flexible member other end supports and is located on the described cavity inner wall;
The 3rd step splashed into fixing glue in ferrule assembly, fixing glue is filled in the core hole of ferrule assembly;
In the 4th step, pierce into cavity in by the outer cover body rear end optical fiber insertion end and be plugged in the core hole in the ferrule assembly;
The 6th step was heating and curing to ferrule assembly, and the fibre core of optical fiber is fixed in the interior core hole of ferrule assembly;
In the 7th step, cover plate is covered on the lateral opening of outer cover body.
The present invention adopts second kind of assembly method of said structure, and this method is assembled by outer cover body, the cover plate of ferrule assembly, flexible member, lateral opening, and this method includes following steps:
The first step pierces into the optical fiber insertion end in the cavity by the outer cover body rear end, flexible member is enclosed within on the optical fiber insertion end again;
Second step splashed into fixing glue in ferrule assembly, fixing glue is filled in the core hole of ferrule assembly;
The 3rd step was heating and curing to ferrule assembly, and the fibre core of optical fiber is fixed in the interior core hole of ferrule assembly;
The 4th step was installed in ferrule assembly, flexible member and the optical fiber insertion end opening by the outer cover body side in the cavity of outer cover body, flexible member one end was supported being located on the ferrule assembly, and the flexible member other end supports and is located on the described cavity inner wall;
In the 5th step, cover plate is covered on the lateral opening of outer cover body.
More than two kinds of assembly methods also comprise following final step: will being enclosed within fixed sleeving on the optical fiber in advance, to be enclosed within on the metal caudal peduncle with the outer cover body integrated injection molding back fastening, will be enclosed within heat-shrinkable T bush on the optical fiber more in advance and be enclosed within on the fixed sleeving heat shrink and fix.
Adopt said structure and assembly method, the present invention has the following advantages:
One, because outer cover body of the present invention is a global facility, therefore its intensity height has overcome the defective of the connector shell structure of traditional front and back assembling: when the more and more higher and smaller volume of joints of optical fibre density to a certain degree the time, the intensity of the junction of joints of optical fibre shell is relatively poor;
Its two, during the smaller volume of traditional fiber connector, wear difficulty of fine assembling, and two kinds of assembly methods disclosed by the invention can see optical fiber head is inserted in the hole of ferrule assembly correspondence that these two kinds of assembly methods are convenient and simple with eyes when wearing fine assembling;
Its three because outer cover body lateral opening of the present invention, therefore, the just die sinking as required of cavity size shape in the outer cover body, and the interior cavity size shape of the shell of conventional seals can be subjected to the restriction of the technology of die sinking;
Its four, joints of optical fibre parts of the present invention are few, it is low to produce cost.
Description of drawings
Fig. 1 is the connector cross-sectional view of assembling before and after the tradition.
Fig. 2 is the cross-sectional view of the joints of optical fibre of the present invention.
Fig. 3 is the perspective exploded view of the joints of optical fibre of the present invention.
Fig. 4 is the solid assembling synoptic diagram one of the joints of optical fibre of the present invention.
Fig. 5 is the solid assembling synoptic diagram two of the joints of optical fibre of the present invention.
Embodiment
Fig. 1 is the connector cross-sectional view of assembling before and after the tradition, this traditional connector shell mostly adopts procapsid a and back casing b package assembly, when the more and more higher and smaller volume of joints of optical fibre density to a certain degree the time, the intensity of the junction of the joints of optical fibre shell of this structure is relatively poor;
Shown in Fig. 2-5, content of the present invention is a kind of joints of optical fibre, includes: outer cover body 10, ferrule assembly 20, flexible member 30, cover plate 40, and the cavity 11 that communicates before and after having in the outer cover body 10, the side on outer cover body also is provided with opening 12; Ferrule assembly 20 and flexible member 30 assembling backs are installed in the described cavity 11 by described opening 12.
Described ferrule assembly 20 can be by a global facility moulding, also can form by lock pin 21 and lock pin tailstock 22, the front end of described lock pin tailstock 22 has inserting groove 221, the rear end of described lock pin tailstock 22 has the pilot hole 222 that communicates with inserting groove 221, and an end of lock pin 21 is fixed in the inserting groove 221 of lock pin tailstock 22.
At described outer cover body 10 rear end integrated injection moldings metal caudal peduncle 50 is arranged, metal caudal peduncle 50 centers have through hole 51, and this through hole 51 is communicated with described cavity 11; Have front end through hole 13 at described outer cover body 10 front ends, this front end through hole 13 is communicated with described cavity 11.
The front end through hole 13 that the front end of the lock pin 21 in the described ferrule assembly 20 passes outer cover body 10 exposes outside, and the front end face of lock pin tailstock 221 supports and is located on the inwall that has front end through hole 13; Flexible member 30 is socketed on the lock pin tailstock 22 and flexible member 30 1 ends support and to be located on 22 on the lock pin tail, and flexible member 30 other ends support and are located on the described cavity inner wall 14; The 22 axial activities of lock pin tailstock are installed in and make in the described cavity 11 that the pilot hole 222 at lock pin tailstock 22 centers is parallel corresponding with optical fiber 60 reeve directions.
When inserting optical fiber 60 cooperations, drip in the core hole 211 of lock pin 21 fixing glue is arranged, the tight sleeve layer 61 of the optical fiber 60 after fiber stripping is handled pierces in the cavity 11 by the through hole 51 of outer cover body 10 rear end metal caudal peduncles 50 and is plugged in the pilot hole 222 at lock pin tailstock 22 centers, solidify 211 backs, core hole that the fibre core 62 of optical fiber 60 leading sections is plugged in the lock pin 21, and the cover plate of chatting 40 is fixed on outer cover body 10 openings 12.
Also be socketed with fixed fiber and spin the fixed sleeving 70 and the heat-shrinkable T bush 80 of synthetic fibre layer 63 on described metal caudal peduncle 50, fixed sleeving 70 is constituted of aluminium.
Described lock pin tailstock 22 is made by metal material, and lock pin 21 is generally made by stupalith.
Described flexible member 30 is a spring.
Shown in Fig. 4-5, the present invention adopts first kind of assembly method of said structure, and this method is assembled by outer cover body 10, the cover plate 40 of ferrule assembly 20, flexible member 30, lateral opening 12, and this method includes following steps:
The first step is enclosed within flexible member 30 on the ferrule assembly 20;
Second step was installed in ferrule assembly 20 and flexible member 30 opening 12 by outer cover body 10 sides in the cavity 11 of outer cover body 10, flexible member 30 1 ends was supported being located on the ferrule assembly 20, and flexible member 30 other ends support and are located on the described cavity inner wall 14;
The 3rd step splashed into fixing glue in ferrule assembly 20, fixing glue is filled in the core hole 211 of ferrule assembly 20;
In the 4th step, pierce into cavity 11 in by outer cover body 10 rear ends optical fiber 60 insertion ends and be plugged in the core hole 211 in the ferrule assembly 20;
The 6th step was heating and curing to ferrule assembly 20, and the fibre core 62 of optical fiber 60 is fixed in the core hole 211 in the ferrule assembly 20;
In the 7th step, cover plate 40 is covered on the lateral opening 12 of outer cover body 10.
The present invention adopts second kind of assembly method of said structure, and this method is assembled by outer cover body 10, the cover plate 40 of ferrule assembly 20, flexible member 30, lateral opening 12, and this method includes following steps:
The first step pierces into optical fiber 60 insertion ends in the cavity 11 by outer cover body 10 rear ends, flexible member 30 is enclosed within on optical fiber 60 insertion ends again;
Second step splashed into fixing glue in ferrule assembly 20, fixing glue is filled in the core hole 211 of ferrule assembly 20;
The 3rd step was heating and curing to ferrule assembly 20, and the fibre core 62 of optical fiber 60 is fixed in the core hole 211 in the ferrule assembly 20;
The 4th step, ferrule assembly 20, flexible member 30 and the optical fiber 60 insertion ends opening 12 by outer cover body 10 sides is installed in the cavity 11 of outer cover body 10, to being located on the ferrule assembly 20, flexible member 30 other ends support and are located on the described cavity inner wall 14 with flexible member 30 1 ends;
In the 5th step, cover plate 40 is covered on the lateral opening 12 of outer cover body 10.
In addition, more than two kinds of assembly methods also comprise following final step: will being enclosed within fixed sleeving 70 on the optical fiber 60 in advance, to be enclosed within on the metal caudal peduncle 50 with outer cover body 10 integrated injection moldings the back fastening, will be enclosed within heat-shrinkable T bush 80 on the optical fiber 60 more in advance and be enclosed within on the fixed sleeving 70 heat shrink and fix.
During use, during joints of optical fibre butt joint, lock pin 21 is stressed to make the displacement vertically in cavity 11 of lock pin tailstock 22 compression springs, when joints of optical fibre lock pin is in non-mated condition, reset under the effect of spring, the front end face that makes lock pin tailstock 22 again is to being located on the inwall that has front end through hole 13.
After the present invention adopts said structure and two kinds of assembly methods, possess still keep the intensity height under the situation of high density small size, easy to assembly, the few cost of parts is low, and die sinking is characteristics easily.
Claims (10)
1. joints of optical fibre is characterized in that, include: outer cover body, ferrule assembly, flexible member, cover plate, and the cavity that communicates before and after having in the outer cover body, the side on outer cover body also is provided with opening; Ferrule assembly and flexible member assembling back are installed in the described cavity by described opening.
2. a kind of joints of optical fibre according to claim 1, it is characterized in that: described ferrule assembly is made up of lock pin and lock pin tailstock, the front end of described lock pin tailstock has inserting groove, the rear end of described lock pin tailstock has the pilot hole that communicates with inserting groove, and an end of lock pin is fixed in the inserting groove of lock pin tailstock.
3. a kind of joints of optical fibre according to claim 2 is characterized in that: integrated injection molding has the metal caudal peduncle in described outer cover body rear end, and metal caudal peduncle center has through hole, and this through hole is communicated with described cavity; Have the front end through hole at described outer cover body front end, this front end through hole is communicated with described cavity.
4. a kind of joints of optical fibre according to claim 3 is characterized in that: the front end through hole that the front end of the lock pin in the described ferrule assembly passes outer cover body is exposed outside, and the front end face of lock pin tailstock supports and is located on the inwall that has the front end through hole; Flexible member is socketed on the lock pin tailstock and flexible member one end supports and to be located on the lock pin tailstock, and the flexible member other end supports and is located on the described cavity inner wall; The lock pin tail spindle makes that in activity is installed in described cavity the pilot hole at lock pin tailstock center is parallel corresponding with optical fiber reeve direction.
5. a kind of joints of optical fibre according to claim 4 is characterized in that: also be socketed with fixed sleeving and heat-shrinkable T bush that fixed fiber spins the synthetic fibre layer on described metal caudal peduncle.
6. a kind of joints of optical fibre according to claim 2 is characterized in that: described lock pin tailstock is made by metal material.
7. a kind of joints of optical fibre according to claim 4 is characterized in that: described flexible member is a spring.
8. the assembly method of joints of optical fibre is characterized in that, this method is assembled by outer cover body, the cover plate of ferrule assembly, flexible member, lateral opening, and this method includes following steps:
The first step is enclosed within flexible member on the ferrule assembly;
Second step was installed in ferrule assembly and the flexible member opening by the outer cover body side in the cavity of outer cover body, flexible member one end was supported being located on the ferrule assembly, and the flexible member other end supports and is located on the described cavity inner wall;
The 3rd step splashed into fixing glue in ferrule assembly, fixing glue is filled in the core hole of ferrule assembly;
In the 4th step, pierce into cavity in by the outer cover body rear end optical fiber insertion end and be plugged in the core hole in the ferrule assembly;
The 6th step was heating and curing to ferrule assembly, and the fibre core of optical fiber is fixed in the interior core hole of ferrule assembly;
In the 7th step, cover plate is covered on the lateral opening of outer cover body.
9. the assembly method of joints of optical fibre is characterized in that, this method is assembled by outer cover body, the cover plate of ferrule assembly, flexible member, lateral opening, and this method includes following steps:
The first step pierces into the optical fiber insertion end in the cavity by the outer cover body rear end, flexible member is enclosed within on the optical fiber insertion end again;
Second step splashed into fixing glue in ferrule assembly, fixing glue is filled in the core hole of ferrule assembly;
The 3rd step was heating and curing to ferrule assembly, and the fibre core of optical fiber is fixed in the interior core hole of ferrule assembly;
The 4th step was installed in ferrule assembly, flexible member and the optical fiber insertion end opening by the outer cover body side in the cavity of outer cover body, flexible member one end was supported being located on the ferrule assembly, and the flexible member other end supports and is located on the described cavity inner wall;
In the 5th step, cover plate is covered on the lateral opening of outer cover body.
10. according to Claim 8 or the assembly method of 9 described a kind of joints of optical fibre, it is characterized in that, described method also comprises following final step: will being enclosed within fixed sleeving on the optical fiber in advance, to be enclosed within on the metal caudal peduncle with the outer cover body integrated injection molding back fastening, will be enclosed within heat-shrinkable T bush on the optical fiber more in advance and be enclosed within on the fixed sleeving heat shrink and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102889534A CN101950057B (en) | 2010-09-21 | 2010-09-21 | Optical fiber connector and assembly methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102889534A CN101950057B (en) | 2010-09-21 | 2010-09-21 | Optical fiber connector and assembly methods thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101950057A true CN101950057A (en) | 2011-01-19 |
| CN101950057B CN101950057B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102889534A Active CN101950057B (en) | 2010-09-21 | 2010-09-21 | Optical fiber connector and assembly methods thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854579A (en) * | 2012-09-06 | 2013-01-02 | 深圳日海通讯技术股份有限公司 | Optical fiber accessing plug with integrated housing |
| CN103852829A (en) * | 2013-04-11 | 2014-06-11 | 连展科技电子（昆山）有限公司 | Optical fiber connector |
| CN105372768A (en) * | 2015-12-16 | 2016-03-02 | 武汉优信光通信设备有限责任公司 | Optical module emission optical interface assembly of ceramic-free sleeve |
| CN106025736A (en) * | 2015-03-31 | 2016-10-12 | 富士康(昆山)电脑接插件有限公司 | Hybrid plug connector |
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| CN1486442A (en) * | 2000-12-27 | 2004-03-31 | ADC���Źɷݹ�˾ | Tunable fiber optic connector and method for assembling |
| JP2005084357A (en) * | 2003-09-09 | 2005-03-31 | Yazaki Corp | Multi-core connecting type optical connector and its manufacturing method |
| CN201242602Y (en) * | 2007-02-05 | 2009-05-20 | 住友电气工业株式会社 | Optical fiber connector |
| CN201522561U (en) * | 2009-03-31 | 2010-07-07 | 深圳威谊光通技术有限公司 | Direct-plug type optical fiber quick connector |
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2010
- 2010-09-21 CN CN2010102889534A patent/CN101950057B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1486442A (en) * | 2000-12-27 | 2004-03-31 | ADC���Źɷݹ�˾ | Tunable fiber optic connector and method for assembling |
| JP2005084357A (en) * | 2003-09-09 | 2005-03-31 | Yazaki Corp | Multi-core connecting type optical connector and its manufacturing method |
| CN201242602Y (en) * | 2007-02-05 | 2009-05-20 | 住友电气工业株式会社 | Optical fiber connector |
| CN201522561U (en) * | 2009-03-31 | 2010-07-07 | 深圳威谊光通技术有限公司 | Direct-plug type optical fiber quick connector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854579A (en) * | 2012-09-06 | 2013-01-02 | 深圳日海通讯技术股份有限公司 | Optical fiber accessing plug with integrated housing |
| WO2014036781A1 (en) * | 2012-09-06 | 2014-03-13 | 深圳日海通讯技术股份有限公司 | Optical fiber access plug with one-piece housing |
| CN103852829A (en) * | 2013-04-11 | 2014-06-11 | 连展科技电子（昆山）有限公司 | Optical fiber connector |
| CN106025736A (en) * | 2015-03-31 | 2016-10-12 | 富士康(昆山)电脑接插件有限公司 | Hybrid plug connector |
| CN105372768A (en) * | 2015-12-16 | 2016-03-02 | 武汉优信光通信设备有限责任公司 | Optical module emission optical interface assembly of ceramic-free sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101950057B (en) | 2012-08-22 |
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Address after: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee after: SUNSEA AIOT TECHNOLOGY Co.,Ltd. Address before: 518000 First Floor 107, Tsinghua Information Port Complex Building, Keyuan Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SUNSEA TELECOMMUNICATIONS Co.,Ltd. |
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Effective date of registration: 20190412 Address after: 518000 Plant 1201, No. 3 Guansheng 4th Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Rihai Intelligent Equipment Co.,Ltd. Address before: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee before: SUNSEA AIOT TECHNOLOGY Co.,Ltd. |
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