CN202453543U - Optical fiber contact element component and optical fiber connector using same - Google Patents
Optical fiber contact element component and optical fiber connector using same Download PDFInfo
- Publication number
- CN202453543U CN202453543U CN2011205477822U CN201120547782U CN202453543U CN 202453543 U CN202453543 U CN 202453543U CN 2011205477822 U CN2011205477822 U CN 2011205477822U CN 201120547782 U CN201120547782 U CN 201120547782U CN 202453543 U CN202453543 U CN 202453543U
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- metal
- tail pipe
- optical fiber
- fiber contact
- metal tail
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Abstract
The utility model relates to an optical fiber contact element component and an optical fiber connector using the same. The optical fiber contact element component comprises a ceramic contact pin. A metal tail pipe is coaxially and fixedly sleeved at the tail end of the ceramic contact pin. A raised part is arranged on an outer wall surface at the front end of the metal tail pipe, and is raised towards the periphery of the metal tail pipe. A movable metal sleeve is movably sleeved along the extension direction of a centerline of the metal tail pipe on the metal tail pipe. A buffer locking spring is arranged between the front end of the movable metal sleeve and the raised part in a pressing way. The rear end of the movable metal sleeve is in anti-separation fit with the metal tail pipe. The metal tail pipe, the movable metal sleeve and the buffer locking spring are metal parts, so that the problem of high-temperature aging is solved, and the problem that the conventional optical fiber contact element component is easily aged in a high-temperature environment to be easily separated is solved.
Description
Technical field
The utility model relates to optical fiber interconnection technique field, especially a kind of optical fiber contact assembly and use the joints of optical fibre of this contact assembly.
Background technology
The joints of optical fibre are indispensable parts during light path connects; The joints of optical fibre have the optical fiber contact assembly; Existing optical fiber contact assembly all has optical fiber contact pins, when being provided with a plurality of optical fiber contact assembly in the same joints of optical fibre, because process technology limit such as manufacturing, assemblings; It is concordant that the front end of the optical fiber contact pins of a plurality of optical fiber contact assemblies can't reach; When pegging graft with corresponding connector, the situation that very easily has the gap, can't plug together between the contact pin contacting piece of the indivedual correspondences of appearance is if plug together by force; Then will inevitably cause the damage of part optical fiber contact pins; Therefore existing optical fiber contact assembly all is equipped with elasticity locking maintaining body in its tail end place, so as each ferrule of optical fiber connector assembly when pegging graft with the corresponding joints of optical fibre relatively the housing at its place certain axial offset takes place, thereby guarantee to realize the grafting between the corresponding optical fiber contact pins under the situation that the optical fiber contact pins of each optical fiber contact do not damage; Also make simultaneously optical fiber contact plugging together the pretightning force that the back produces the grafting direction, guarantee the reliability of its grafting with the corresponding joints of optical fibre.
Yet because the restriction of structure, the existing elasticity locking maintaining body that is used for the optical fiber contact assembly mostly adopts insulating materials such as rubber, when being used for hot conditions easy wearing out of following time, the situation that elasticity gets loose occurs.
Summary of the invention
The purpose of the utility model is to provide a kind of optical fiber contact assembly, with solve existing optical fiber contact assembly under hot environment because be prone to aging problem that elasticity that cause gets loose; Simultaneously, the purpose of the utility model also is to provide the joints of optical fibre that use above-mentioned optical fiber contact assembly.
In order to address the above problem; The optical fiber contact assembly of the utility model adopts following technical scheme: the optical fiber contact assembly; Comprise optical fiber contact pins; The coaxial fixed cover in tail end place of said optical fiber contact pins is provided with the metal tail pipe, and the front end of said metal tail pipe is in outside wall surface and is provided with the protuberance to its peripheral protrusion, and its center line bearing of trend movable sleeve of metal tail pipe upper edge is provided with the live metal cover; Be top-loaded with the buffering locking spring between the front end of said live metal cover and the said protuberance, the rear end of live metal cover cooperates with metal tail pipe anticreep.
The rear end of said metal tail pipe is arranged with said live metal overlaps the spacing fixing metal cover that cooperates, and said live metal cover cooperates with metal tail pipe anticreep through said fixing metal cover.
The coaxial protection tube that is fixed with of the front end of said metal tail pipe, said optical fiber contact pins are positioned at the front end that said protection tube and its front end do not exceed protection tube.
The outside wall surface of said metal tail pipe in the tail end place is provided with the relative step surface of trailing flank with the protuberance of metal tail pipe, and described fixing metal cover is sheathed on the metal tail pipe and before said step surface, is extruded and tightens to the metal tail pipe.
Said protection inner coaxial tube is equipped with sleeve pipe, the front end place of protection tube be provided with block the sleeve pipe front end face in turn edge.
The joints of optical fibre of the utility model adopt following technical scheme: the joints of optical fibre; Comprise that housing and the said optical fiber contact assembly of optical fiber contact assembly that is assemblied in the housing through insulator comprise optical fiber contact pins; The coaxial fixed cover in tail end place of said optical fiber contact pins is provided with the metal tail pipe; The front end of said metal tail pipe is in outside wall surface and is provided with the protuberance to its peripheral protrusion; Its center line bearing of trend movable sleeve of metal tail pipe upper edge is provided with the live metal cover, is top-loaded with the buffering locking spring between the front end of said live metal cover and the said protuberance, and the rear end of live metal cover cooperates with metal tail pipe anticreep.
The rear end of said metal tail pipe is arranged with said live metal overlaps the spacing fixing metal cover that cooperates, and said live metal cover cooperates with metal tail pipe anticreep through said fixing metal cover.
The coaxial protection tube that is fixed with of the front end of said metal tail pipe, said optical fiber contact pins are positioned at the front end that said protection tube and its front end do not exceed protection tube.
The outside wall surface of said metal tail pipe in the tail end place is provided with the relative step surface of trailing flank with the protuberance of metal tail pipe, and described fixing metal cover is sheathed on the metal tail pipe and before said step surface, is extruded and tightens to the metal tail pipe.
Said protection inner coaxial tube is equipped with sleeve pipe, the front end place of protection tube be provided with block the sleeve pipe front end face in turn edge.
Be provided with said metal tail pipe because said optical fiber contact assembly is coaxial at the tail end place of its optical fiber contact pins; Described movable sleeve is a metallic sheath; Described buffering locking spring is mounted between the front end of said protuberance and live metal cover; Therefore, can compensate the error in length between each contact assembly with respect to the motion that live metal overlaps through said metal tail pipe in use, and realize the pretension locking after optical fiber contact pins is pegged graft; In addition,, therefore, do not have the problem of high temperature ageing because described metal tail pipe, live metal cover and buffering locking spring are metalwork, solved existing optical fiber contact assembly under hot environment because be prone to aging problem that elasticity that cause gets loose.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of optical fiber contact assembly;
Fig. 2 is the stereographic map of the embodiment 1 of optical fiber contact assembly;
Fig. 3 is that the fixing metal among Fig. 1 is enclosed within the structural representation before being crushed out of shape;
Fig. 4 is that the fixing metal among Fig. 1 is enclosed within the structural representation after being crushed out of shape;
Fig. 5 is the structural representation of the embodiment 1 of the joints of optical fibre;
Fig. 6 is the structural representation of the optical fiber contact assembly among Fig. 5;
Fig. 7 is the stereographic map of the optical fiber contact assembly among Fig. 5;
Fig. 8 is that the fixing metal among Fig. 6 is enclosed within the structural representation before being crushed out of shape;
Fig. 9 is that the fixing metal among Fig. 6 is enclosed within the structural representation after being crushed out of shape.
Embodiment
The embodiment 1 of optical fiber contact assembly; As shown in Figure 1, have optical fiber contact pins 1, optical fiber contact pins 1 adopts ceramic contact pin; The coaxial metal tail pipe 2 that is equipped with of the tail end of optical fiber contact pins 1; Specifically, i.e. the tail end interference of optical fiber contact pins 1 is plugged in the front end of metal tail pipe 2, thereby has realized the secure fit of the two; The front end of metal tail pipe 2 is provided with radially the outwards protuberance 2-1 of protrusion; This protuberance 2-1 is multidiameter shape; Comprise the path section and the big footpath section that is adjacent to said path section rear end of front end, the front end of metal tail pipe 2 is equipped with protection tube 3 through the path section of its protuberance 2-1, and protection tube 3 is a metal tube; Protection tube 3 and optical fiber contact pins 1 coaxial setting; The front end of optical fiber contact pins 1 is no more than the front end of protection tube 3, and the rear end of protection tube 3 is provided with stepped hole, thereby makes protection tube 3 protuberance with metal tail pipe 2 after loading onto metal tail pipe 2 constitute the cylindrical of outer smooth; And then realize it in the smooth activity vertically of corresponding connector shell, protection tube 3 is being loaded onto metal tail pipe 2 backs through some pressure (can also be bonding in other embodiments) and metal tail pipe 2 secure fit; Protection tube 3 is being loaded onto metal tail pipe 2 before in its inner coaxial sleeve pipe 4 that is equipped with; This sleeve pipe 4 adopts ceramic pipe; Be used to supply adaptive contact pin contacting piece to insert smoothly; The 3-1 that turns edge in the front end of protection tube 3 is provided with, in the 3-1 that turns edge be used to block the front end face of sleeve pipe 4, prevent that it is wounded when adaptive contact element inserts; In addition, the leading flank that turns edge in the protection tube 3 is provided with the enlarging structure, and this enlarging structure is used for from catching adaptive contact element in larger scope, so that its smooth insertion; Be arranged with buffering locking spring 5, live metal cover 6 and fixing metal cover 7 on the position of metal tail pipe 2 after its protuberance 2-1 backward successively in the past; Wherein the rear end of metal tail pipe 2 has the step surface that is oppositely arranged with said protuberance 2-1 on outside wall surface; Fixing metal cover 7 puts metal tail pipe 2 backs and before this step surface, is extruded; Cooperate thereby be fixed on the metal tail pipe 2 and with said step surface is spacing; Wherein fixing metal cover 7 was cylindrical shape before putting metal tail pipe 2, and profile becomes positive hexagon after extruding; 6 in live metal cover cooperates through the front end block with fixing metal cover 7 and movable vertically anticreep is assemblied on the metal tail pipe 2; The front end of live metal cover 6 is provided with the outer 6-1 that turns edge; The 6-1 that should outer turn edge is used for and corresponding connector housing secure fit, thereby realizes that optical fiber contact pins 1 cooperates with axial activity between the connector shell; Between the front end that buffering locking spring 5 is mounted on live metal cover 6 and the protuberance of metal tail pipe 2, can realize the reliable grafting of the two for the two provide the confining force that plugs together after optical fiber contact pins 1 and adaptive contact element are pegged graft.
In other embodiment of optical fiber contact assembly, the fixing metal cover described in the embodiment 1 of optical fiber contact assembly can also fixedly be assemblied on the metal tail pipe through screw or the bumping post of being located on the said metal tail pipe; This fixing metal cover can also omit, make then said live metal cover through be located at the metal tail pipe on block, block, banking pin cooperate with metal tail pipe realization anticreep.
The embodiment 1 of the joints of optical fibre shown in Fig. 2-3, has housing 101; Be equipped with insulator 102 in the housing 101 and be equipped with optical fiber contact assembly 103 along fore-and-aft direction through insulator 102; Optical fiber contact 103 assemblies have optical fiber contact pins 11, the coaxial metal tail pipe 12 that is equipped with of the tail end of optical fiber contact pins 11, specifically; The tail end interference that is optical fiber contact pins 11 is plugged in the front end of metal tail pipe 12, thereby has realized the secure fit of the two; The front end of metal tail pipe 12 is provided with radially the outwards protuberance 12-1 of protrusion; This protuberance 12-1 is multidiameter shape; The path section and the big footpath section that is adjacent to said path section rear end that comprise front end; The front end of metal tail pipe 12 is equipped with protection tube 13 through the path section of its protuberance 12-1, and protection tube 13 is a metal tube, and optical fiber contact pins 11 is assemblied in the housing 101 through metal tail pipe 12; Protection tube 13 and optical fiber contact pins 11 coaxial settings; The front end of optical fiber contact pins 11 is no more than the front end of protection tube 13, and the rear end of protection tube 13 is provided with stepped hole, thereby makes protection tube 13 protuberance with metal tail pipe 12 after loading onto metal tail pipe 12 constitute the cylindrical of outer smooth; And then realize its vertically smooth activity in housing 101, protection tube 13 is pressed (can also be bonding in other embodiments) and metal tail pipe 12 secure fit through point loading onto metal tail pipe 12 backs; Protection tube 13 is being loaded onto metal tail pipe 12 before in its inner coaxial sleeve pipe 14 that is equipped with; This sleeve pipe 14 adopts ceramic pipe; Be used to supply adaptive contact pin contacting piece to insert smoothly; The 13-1 that turns edge in the front end of protection tube 13 is provided with, in the 13-1 that turns edge be used to block the front end face of sleeve pipe 14, prevent that it is wounded when adaptive contact element inserts; In addition, the leading flank that turns edge in the protection tube 13 is provided with the enlarging structure, and this enlarging structure is used for from catching adaptive contact element in larger scope, so that its smooth insertion; Be arranged with buffering locking spring 15, live metal cover 16 and fixing metal cover 17 on the position of metal tail pipe 12 after its protuberance 12-1 backward successively in the past; Wherein the rear end of metal tail pipe 12 has the step surface that is oppositely arranged with said protuberance 12-1 on outside wall surface; Fixing metal cover 17 puts metal tail pipe 12 backs and before this step surface, is extruded; Cooperate thereby be fixed on the metal tail pipe 12 and with said step surface is spacing; Wherein fixing metal cover 17 was cylindrical shape before putting metal tail pipe 12, and profile becomes positive hexagon after extruding; 16 in live metal cover cooperates through the front end block with fixing metal cover 17 and movable vertically anticreep is assemblied on the metal tail pipe 12; The front end of live metal cover 16 is provided with the outer 16-1 that turns edge; The 16-1 that should outer turn edge is used for through insulator 102 and housing 101 secure fit, thereby realizes that optical fiber contact pins 11 cooperates with axial activity between the housing; Between the front end that buffering locking spring 15 is mounted on live metal cover 16 and the protuberance of metal tail pipe 12, can realize the reliable grafting of the two for the two provide the confining force that plugs together after optical fiber contact pins 11 and adaptive contact element are pegged graft.
In other embodiment of the joints of optical fibre, the fixing metal cover described in the embodiment 1 of the joints of optical fibre can also fixedly be assemblied on the metal tail pipe through screw or the bumping post of being located on the said metal tail pipe; This fixing metal cover can also omit, make then said live metal cover through be located at the metal tail pipe on block, block, banking pin cooperate with metal tail pipe realization anticreep.
Claims (10)
1. optical fiber contact assembly; Comprise optical fiber contact pins, it is characterized in that the coaxial fixed cover in tail end place of said optical fiber contact pins is provided with the metal tail pipe; The front end of said metal tail pipe is in outside wall surface and is provided with the protuberance to its peripheral protrusion; Its center line bearing of trend movable sleeve of metal tail pipe upper edge is provided with the live metal cover, is top-loaded with the buffering locking spring between the front end of said live metal cover and the said protuberance, and the rear end of live metal cover cooperates with metal tail pipe anticreep.
2. optical fiber contact assembly according to claim 1; It is characterized in that; The rear end of said metal tail pipe is arranged with said live metal overlaps the spacing fixing metal cover that cooperates, and said live metal cover cooperates with metal tail pipe anticreep through said fixing metal cover.
3. optical fiber contact assembly according to claim 1 is characterized in that, the coaxial protection tube that is fixed with of the front end of said metal tail pipe, said optical fiber contact pins are positioned at the front end that said protection tube and its front end do not exceed protection tube.
4. optical fiber contact assembly according to claim 2; It is characterized in that; The outside wall surface of said metal tail pipe in the tail end place is provided with the relative step surface of trailing flank with the protuberance of metal tail pipe, and described fixing metal cover is sheathed on the metal tail pipe and before said step surface, is extruded and tightens to the metal tail pipe.
5. optical fiber contact assembly according to claim 3 is characterized in that, said protection inner coaxial tube is equipped with sleeve pipe, the front end place of protection tube be provided with block the sleeve pipe front end face in turn edge.
6. the joints of optical fibre; Comprise that housing and the said optical fiber contact assembly of optical fiber contact assembly that is assemblied in the housing through insulator comprise optical fiber contact pins; It is characterized in that; The coaxial fixed cover in tail end place of said optical fiber contact pins is provided with the metal tail pipe, and the front end of said metal tail pipe is in outside wall surface and is provided with the protuberance to its peripheral protrusion, and its center line bearing of trend movable sleeve of metal tail pipe upper edge is provided with the live metal cover; Be top-loaded with the buffering locking spring between the front end of said live metal cover and the said protuberance, the rear end of live metal cover cooperates with metal tail pipe anticreep.
7. the joints of optical fibre according to claim 6 is characterized in that, the rear end of said metal tail pipe is arranged with said live metal overlaps the spacing fixing metal cover that cooperates, and said live metal cover cooperates with metal tail pipe anticreep through said fixing metal cover.
8. the joints of optical fibre according to claim 6 is characterized in that, the coaxial protection tube that is fixed with of the front end of said metal tail pipe, said optical fiber contact pins are positioned at the front end that said protection tube and its front end do not exceed protection tube.
9. the joints of optical fibre according to claim 7; It is characterized in that; The outside wall surface of said metal tail pipe in the tail end place is provided with the relative step surface of trailing flank with the protuberance of metal tail pipe, and described fixing metal cover is sheathed on the metal tail pipe and before said step surface, is extruded and tightens to the metal tail pipe.
10. the joints of optical fibre according to claim 8 is characterized in that, said protection inner coaxial tube is equipped with sleeve pipe, the front end place of protection tube be provided with block the sleeve pipe front end face in turn edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205477822U CN202453543U (en) | 2011-12-24 | 2011-12-24 | Optical fiber contact element component and optical fiber connector using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205477822U CN202453543U (en) | 2011-12-24 | 2011-12-24 | Optical fiber contact element component and optical fiber connector using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453543U true CN202453543U (en) | 2012-09-26 |
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ID=46869398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205477822U Expired - Lifetime CN202453543U (en) | 2011-12-24 | 2011-12-24 | Optical fiber contact element component and optical fiber connector using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777563A (en) * | 2015-04-22 | 2015-07-15 | 沈阳兴华航空电器有限责任公司 | APC optical fiber contact part |
| CN106199847A (en) * | 2016-08-31 | 2016-12-07 | 中航光电科技股份有限公司 | Anti-rotation ejector half optical fiber contact and use the optical fiber connector plug of this contact |
-
2011
- 2011-12-24 CN CN2011205477822U patent/CN202453543U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777563A (en) * | 2015-04-22 | 2015-07-15 | 沈阳兴华航空电器有限责任公司 | APC optical fiber contact part |
| CN106199847A (en) * | 2016-08-31 | 2016-12-07 | 中航光电科技股份有限公司 | Anti-rotation ejector half optical fiber contact and use the optical fiber connector plug of this contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |