CN202351458U - Optical fiber connector with incoming line anti-rotation function and shell component thereof - Google Patents
Optical fiber connector with incoming line anti-rotation function and shell component thereof Download PDFInfo
- Publication number
- CN202351458U CN202351458U CN2011204163423U CN201120416342U CN202351458U CN 202351458 U CN202351458 U CN 202351458U CN 2011204163423 U CN2011204163423 U CN 2011204163423U CN 201120416342 U CN201120416342 U CN 201120416342U CN 202351458 U CN202351458 U CN 202351458U
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- housing
- rear end
- joints
- sealing nut
- optical fibre
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Abstract
The utility model relates to an optical fiber connector with an incoming line anti-rotation function and a shell component thereof, wherein the shell component comprises a shell used for assembling a contact pin component, an elastic wire pressing seat and a sealing nut are assembled on the back end of the shell, an inner turned-over edge for jacking the elastic wire pressing seat is arranged on the back end of the sealing nut, baffle rings are arranged between the inner turned-over edge of the sealing nut and the wire pressing seat at intervals, and the baffle rings are assembled on the back end of the shell in an anti-rotation manner; the shell component of optical fiber connector is provided with the baffle rings between the inner turned-over edge of the sealing nut and the wire pressing seat at intervals, and the baffle rings are assembled on the back end of the shell in the anti-rotation manner, so that the baffle rings assembled on the back end of the shell in the anti-rotation manner can be used for preventing the sealing nut from driving the elastic wire pressing seat to rotate so as to prevent the damage of the optical fiber caused by rotation driven by the elastic wire pressing seat when screwing the sealing nut to press the elastic wire pressing seat, which solves the problem of easy torsion failure of the optical fiber during a wiring process of the optical fiber connector.
Description
Technical field
The utility model relates to the optical cable connection device, the especially a kind of joints of optical fibre and housing unit thereof with inlet wire anti-rotating function.
Background technology
Compare with connected modes such as welding, cold joint or the on-the-spot mill at traditional fiber terminal connect, interconnection technique adopts optical fiber direct-passing mode, i.e. optical fiber connectionless point in advance.According to requirement of client, by factory's tailor-make product, the attrition process of the column criterion of going forward side by side program, all technical indicators are observed IEC, TIA and relevant standard, and in this, technical indicator surmounts the connector that on-the-spot mill connects far away.Wherein the joints of optical fibre are exactly an indispensable critical component in the preparatory interconnection technique; The general optical fiber connector includes the contact pin assembly; Said contact pin assembly comprises the procapsid of rectangle and the back casing of rectangle, and forward and backward housing is pegged graft mutually and movablely vertically in the endoporus of the two is equipped with Plug pin patch bay, is fixed in the contact pin on the Plug pin patch bay and is mounted on the buffer spring between Plug pin patch bay rear end and the back casing; The above-mentioned joints of optical fibre have all obtained using widely in various fields; But but be not suitable for preparatory connection optical cable; Trace it to its cause; Then mainly be because not have the intensity of dustproof, waterproof construction and forward and backward housing limited the outside of the above-mentioned joints of optical fibre, can't satisfy the requirement of the joints of optical fibre of preparatory connection optical cable; In order to address this problem, present way is the housing that is provided for protecting the contact pin assembly in the outside of said forward and backward housing in addition; Concrete structure is roughly and is assemblied in the said housing said contact pin assembly is coaxial, with optical fiber from the rear end of housing introduce housing with housing in the contact pin assembly be connected, can bear certain resistance to tension in order to guarantee optical fiber; Often one of rear end of housing from after the flared section of diminishing taper type forward; And corresponding elasticity line ball seat can be set in said flared section, the sealing nut that in the rear end of housing is provided with the rear end band, turns edge is during assembling; Make optical fiber in elasticity line ball seat, pass; Come roof pressure elasticity line ball seat through turning described sealing nut then, thereby jam-packed optical fiber crust is realized sealing and tension function simultaneously; Said structure has realized that effectively the sealing of the joints of optical fibre reaches the defencive function to optical fiber; But in the process of wiring; In said sealing nut, turn edge with elasticity line ball seated connection after touch; Continue to turn that sealing nut then tends to drive elasticity line ball seat and the optical fiber be located in the elasticity line ball seat rotates together, this then makes optical fiber by the incoming fiber optic connector time, turned round bad problem to happen occasionally.
Summary of the invention
The purpose of the utility model is to provide a kind of joints of optical fibre with inlet wire anti-rotating function, turns round the problem of bad optical fiber when the wiring easily to separate the existing joints of optical fibre; The purpose of the utility model also is to provide the housing unit of the above-mentioned joints of optical fibre simultaneously.
In order to address the above problem; The joints of optical fibre with inlet wire anti-rotating function of the utility model adopt following technical scheme: the joints of optical fibre with inlet wire anti-rotating function; Comprise housing unit and contact pin assembly, said housing unit comprises housing, and said contact pin assembly is assemblied in the said housing; Said housing is equipped with elasticity line ball seat and sealing nut in its rear end; The rear end of said sealing nut be provided be used for the said elasticity line ball of roof pressure seat in turn edge, turn edge in the said sealing nut and said line ball seat between at a distance from being provided with baffle ring, said baffle ring ends the rear end that spinning is assigned in said housing.
The outside wall surface of said baffle ring is provided with convexity, and the rear end of said housing is provided with and the corresponding draw-in groove of said convexity, only revolves cooperation through said convexity and draw-in groove between baffle ring and the housing.
Said housing comprises inner housing and shell body, and said sealing nut and elasticity line ball seat all are located at the rear end of said inner housing.
The rear end of said inner housing is provided with the flared section of a pre-small post-large taper type, has the taper type section that is assemblied in the said taper type flared section on the said line ball seat, the shape complementarity of the profile of said taper type section and said taper type flared section.
Be provided with the inner casing O-ring seal between said inner housing and the shell body.
Said joints of optical fibre housing unit adopts following technical scheme: joints of optical fibre housing unit; Comprise the housing that is used to assemble the contact pin assembly; Said housing is equipped with elasticity line ball seat and sealing nut in its rear end; The rear end of said sealing nut be provided be used for the said elasticity line ball of roof pressure seat in turn edge, turn edge in the said sealing nut and said line ball seat between at a distance from being provided with baffle ring, said baffle ring ends the rear end that spinning is assigned in said housing.
The outside wall surface of said baffle ring is provided with convexity, and the rear end of said housing is provided with and the corresponding draw-in groove of said convexity, only revolves cooperation through said convexity and draw-in groove between baffle ring and the housing.
Said housing comprises inner housing and shell body, and said sealing nut and elasticity line ball seat all are located at the rear end of said inner housing.
The rear end of said inner housing is provided with the flared section of a pre-small post-large taper type, has the taper type section that is assemblied in the said taper type flared section on the said line ball seat, the shape complementarity of the profile of said taper type section and said taper type flared section.
Be provided with the inner casing O-ring seal between said inner housing and the shell body.
Because said joints of optical fibre housing unit turns edge in its sealing nut and said line ball seat between at a distance from being provided with baffle ring; Said baffle ring ends the rear end that spinning is assigned in said housing; Therefore turning said sealing nut with roof pressure in the said elasticity line ball seat; Can prevent that sealing nut from driving elasticity line ball seat and rotating through the baffle ring that said only spinning is assigned in the housing rear end; Thereby prevent that optical fiber from damaging because of being driven to rotate by elasticity line ball seat, solved the existing joints of optical fibre are turned round bad optical fiber easily when wiring problem.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 with joints of optical fibre of inlet wire anti-rotating function;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the stereographic map of Fig. 1;
Fig. 4 is the structural representation with the contact pin assembly among the embodiment 1 of the joints of optical fibre of inlet wire anti-rotating function;
Fig. 5 is the B-B cut-open view of Fig. 4;
Fig. 6 is the stereographic map of Fig. 4;
Fig. 7 is the structural representation of the procapsid among Fig. 4;
Fig. 8 is the structural representation of the back casing among Fig. 4;
Fig. 9 is the structural representation of the inner housing among Fig. 2;
Figure 10 is the C-C cut-open view of Fig. 9;
Figure 11 is the stereographic map of Fig. 9;
Figure 12 is the structural representation of the shell body among Fig. 2;
Figure 13 is the D-D cut-open view of Figure 12;
Figure 14 is the stereographic map of Figure 12;
Figure 15 is the structural representation of the elasticity line ball seat among Fig. 2;
Figure 16 is the structural representation of the baffle ring among Fig. 2;
Figure 17 is the structural representation of the embodiment 1 of joints of optical fibre housing unit.
Embodiment
Contact pin assembly (like Fig. 4-8) has the contact pin housing; The contact pin housing is made up of procapsid 1 and back casing 2, and the outline of procapsid 1 is rectangular and have the endoporus that extends vertically, is provided with baffle plate 1-1 in the endoporus of procapsid 1; The through hole that connects before and after having on the baffle plate 1-1 and in through hole vertically activity-oriented be equipped with contact pin 3; The rear end of contact pin 3 is provided with Plug pin patch bay 4, and spacing cooperation of rear side block of the front end of Plug pin patch bay 4 and baffle plate 1-1, its rear end is provided with buffer spring 5; Procapsid 1 is in upwards being provided with fore shell hanging hole 1-2 its week; Promptly be located at the through hole that makes progress in week of procapsid; Elastically-deformable elasticity voussoir 2-1 can radially take place in upwards being laid with in week in the front end of back casing 2; After the front end of back casing 2 inserted the rear end of procapsid 1, its each elasticity voussoir embedded in the fore shell hanging hole on the procapsid 1, thereby inside and outside housing is fixed; The fixing back of inside and outside housing buffer spring 5 is mounted between Plug pin patch bay 4 and the back casing 2, all has the passage that supplies optical fiber to pass through on Plug pin patch bay 4 and the back casing 2; Bulge loop 2-2, back bulge loop 2-3 before one in front and one in back correspondence is provided with on the outside wall surface of back casing 2; The center line of forward and backward bulge loop is all with the axis conllinear of back casing 2 and surround an annular groove 2-4; The outside wall surface of preceding bulge loop 2-2 is provided with only spin slot 2-5, ends the groove of spin slot 2-5 for the axial both sides of bulge loop 2-3 after connecting.
Housing unit has inner housing 6 (like Fig. 9-11) and shell body 7 (like Figure 12-14).Has the inner casing mounting hole that extends vertically on the inner housing 6; The contact pin assembly is assemblied in the inner casing mounting hole vertically, coaxially on the internal face of inner casing mounting hole is provided with bulge loop and is provided with only spin-block 6-1 in place, the front side of bulge loop, this bulge loop is made as inner casing bulge loop 6-2 here; The internal diameter of inner casing bulge loop 6-2 is greater than the external diameter of the forward and backward bulge loop of back casing 2; The contact pin assembly inserts the process of inner housing 6 at the front end from inner housing 6, and elastic shrinkage radially takes place when the back bulge loop of back casing 2 walks to inner casing bulge loop 6-2 place, thereby crosses the endoporus of inner casing bulge loop 6-2; This moment annular groove 2-4 axial two side; Be the respective side of forward and backward bulge loop and spacing cooperation of respective side of inner casing bulge loop 6-2, thereby the axial anti-channeling of realization back casing 2 and inner housing 6 movingly, simultaneously; The corresponding both sides of forward and backward bulge loop extruding inner casing bulge loop 6-2; Thereby making between forward and backward bulge loop and the inner casing bulge loop 6-2 to produce prevents inner housing 6 and back casing 2 counterrotating resistances, end spin-block 6-1 contact pin assembly plug-in mounting in inner housing 6 put in place the back embed before ending in the spin slot 2-5 on the bulge loop 2-2, thereby only revolving between assurance inner housing 6 and the back casing 2 cooperates; The front end of inner housing 6 is in upwards being laid with elasticity hangnail 6-3 week; Be provided with the backplate 6-4 that extends forward in front end face; Elasticity hangnail 6-3 can be along the radially harmomegathus of inner housing 6; Backplate 6-4 is the front end that front end with watt shape of inner housing 6 coaxial cables and backplate 6-4 overhangs forward and surpasses contact pin 3, thereby protection contact pin 3 makes the said joints of optical fibre with inlet wire anti-rotating function be unlikely to break contact pin 3 when landing falling; The rear end outer wall of inner housing 6 is provided with spring abutment 6-5 and is arranged at intervals with a pre-large post-small frustum 6-6 in the rear side place of spring abutment 6-5 and spring abutment 6-5; Spring abutment 6-5 is the annular coaxial with inner housing 6; Surround the inner casing seal groove 6-7 that supplies the O-ring seal embedding between the rear side of spring abutment 6-5 and the said frustum 6-6 and in inner casing seal groove 6-7, be provided with inner casing O-ring seal 8, inner casing O-ring seal 8 is sealed and matched with the internal face of shell body 7.Inner housing 6 has a flared section and in its flared section, is equipped with elasticity line ball seat 9 (like Figure 15) in the rear end of its inner casing mounting hole; Has a taper type section 9-1 between the two ends of elasticity line ball seat 9; This taper type section 9-1 is positioned at the flared section of inner casing mounting hole, and the rear end screw fit of inner housing 6 has sealing nut 10, turns edge in the rear end of sealing nut 10 has; Be used for roof pressure elasticity line ball seat 9; Thereby on the one hand the crust with the optical cable that penetrates 11 compresses, and seals the rear end of inner casing mounting hole on the other hand, turn edge in the sealing nut 10 and the rear end face of the taper type section of elasticity line ball seat 9 between be provided with baffle ring 12 (like Figure 16; Baffle ring 12 is assemblied in the flared section of inner casing mounting hole and embeds through the protruding 12-1 on its outer peripheral face and is located in the draw-in groove 6-8 of inner housing 6 rear ends; Thereby realize that only revolving between baffle ring 12 and the inner housing 6 cooperates, this makes that then the optical cable in the unlikely drive elasticity line ball seat 9 and elasticity line ball seat rotates together when tightening sealing nut 10, thereby prevents that optical cable from being turned round bad.
Has the shell mounting hole that extends vertically in the shell body 7; The shell mounting hole is the two stage steps hole; The front end of shell mounting hole is the path section, and the rear end is a big footpath section, and the adjoiner of said large and small footpath section forms a step surface; The coaxial back-moving spring 13 that is equiped with in the section of big footpath; The hole wall of path section is provided with penetrating shell hanging hole 7-1, and the front end of inner housing 6 inserts shell body 7 backs through in the shell hanging hole 7-1 on its elasticity hangnail 6-3 setting-in to the shell body 7 from the rear end of shell body 7, thereby makes shell body 7 to move backward with respect to inner housing 6; 13 of back-moving springs are mounted between the step surface in spring abutment 6-5 and the shell mounting hole; The internal face upper edge shell mounting hole of shell body be axially arranged with gathering sill 7-4, gathering sill 7-4 is corresponding one by one with the elasticity hangnail of inner housing, be used for inner housing 6 when shell body 7 is inserted in the rear end of shell body 7 with inner housing 6 on elasticity hangnail guiding cooperate with the corresponding shell hanging hole 7-1 of each elasticity hangnail introduction; The path sector hole wall of shell mounting hole is provided with stopper slot 7-2; The front end of stopper slot 7-2 extends in the hole, big footpath; The outside wall surface of inner housing 6 is provided with limited block 6-9; When inner housing 6 inserted shell body 7, said limited block 6-9 slipped in the stopper slot 7-2 on the shell body, when pulled backwards shell body 7; The rear side of said limited block 6-9 cooperates with the rear side cell wall block of stopper slot 7-2 and limits the relative displacement in the axial direction of inside and outside housing; Make the effect that has certain relative shift between the inside and outside housing in the axial direction be when the said joints of optical fibre with inlet wire anti-rotating function when separating with corresponding adapter, make shell body and inner housing and the contact pin assembly classification that fixedly is assemblied in the inner housing progressively separate with adapter, thus the pull out force when reducing to separate; The front end of shell body 7 is provided with the body seal ring recess and in the body seal ring recess, is provided with body seal circle 14 in coaxial on the outside wall surface, and body seal circle 14 is used for when pegging graft with corresponding adapter, cooperating with the waterproof and dustproof function of realization shell body 7 with the cooperation place of adapter with the internal face of adapter; The front end of shell body 7 also is provided with telltale mark 7-3 on outside wall surface; Telltale mark 7-3 adopts colour code; Be used for corresponding adapter on telltale mark corresponding, when the joints of optical fibre with inlet wire anti-rotating function and corresponding adapter are pegged graft, to realize the anti-mis-insertion between the two.
In other embodiment of the joints of optical fibre with inlet wire anti-rotating function; Having the bulge loop described in the embodiment 1 of the joints of optical fibre of inlet wire anti-rotating function and the position of annular groove can also exchange; In such cases; Said annular groove is located on the internal face of described inner housing, said bulge loop is located on the outside wall surface of said back casing; Annular groove on the said back casing can also directly be opened on the outside wall surface of back casing, and in such cases, described forward and backward bulge loop then can omit; The described spin slot that ends can also be opened on the bulge loop of described back; Described shell body can also be established in use in addition; Also can end radial facing, and the corresponding radial facing that ends is set on the outer peripheral face of said baffle ring, thereby realize that only revolving between baffle ring and the inner housing cooperates in the rear end setting of said inner housing inner casing mounting hole; Described inner and outer shell can also be made as one, after only adopt inner housing, certainly, only adopting inner housing must guarantee the sealing and the intensity of circumferential each one of your inner housing.
The embodiment 1 of joints of optical fibre housing unit; Shown in figure 17; Comprise inner housing 51, shell body 52, elasticity line ball seat 53, baffle ring 54, sealing nut 55 and inner casing O-ring seal 56; The structure of wherein said each parts and assembling are concerned about that all each corresponding in the housing unit with the embodiment 1 of the above-mentioned joints of optical fibre with inlet wire anti-rotating function parts are identical, will not give unnecessary details here.
Among other embodiment of joints of optical fibre housing unit; Also can end radial facing among the embodiment 1 of joints of optical fibre housing unit in the rear end setting of said inner housing inner casing mounting hole; And the corresponding radial facing that ends is set, thereby realize that only revolving between baffle ring and the inner housing cooperates on the outer peripheral face of said baffle ring; Described inner and outer shell can also be made as one, after only adopt inner housing, certainly, only adopting inner housing must guarantee the sealing and the intensity of circumferential each one of your inner housing.
Claims (10)
1. the joints of optical fibre that have the inlet wire anti-rotating function comprise housing unit and contact pin assembly, and said housing unit comprises housing; Said contact pin assembly is assemblied in the said housing; Said housing is equipped with elasticity line ball seat and sealing nut in its rear end, the rear end of said sealing nut be provided be used for the said elasticity line ball of roof pressure seat in turn edge, it is characterized in that; Turn edge in the said sealing nut and said line ball seat between at a distance from being provided with baffle ring, said baffle ring ends the rear end that spinning is assigned in said housing.
2. the joints of optical fibre with inlet wire anti-rotating function according to claim 1; It is characterized in that; The outside wall surface of said baffle ring is provided with convexity, and the rear end of said housing is provided with and the corresponding draw-in groove of said convexity, only revolves cooperation through said convexity and draw-in groove between baffle ring and the housing.
3. the joints of optical fibre with inlet wire anti-rotating function according to claim 1 and 2 is characterized in that said housing comprises inner housing and shell body, and said sealing nut and elasticity line ball seat all are located at the rear end of said inner housing.
4. the joints of optical fibre with inlet wire anti-rotating function according to claim 3; It is characterized in that; The rear end of said inner housing is provided with the flared section of a pre-small post-large taper type; Has the taper type section that is assemblied in the said taper type flared section on the said line ball seat, the shape complementarity of the profile of said taper type section and said taper type flared section.
5. the joints of optical fibre with inlet wire anti-rotating function according to claim 3 is characterized in that, are provided with the inner casing O-ring seal between said inner housing and the shell body.
6. joints of optical fibre housing unit; Comprise the housing that is used to assemble the contact pin assembly; Said housing is equipped with elasticity line ball seat and sealing nut in its rear end, the rear end of said sealing nut be provided be used for the said elasticity line ball of roof pressure seat in turn edge, it is characterized in that; Turn edge in the said sealing nut and said line ball seat between at a distance from being provided with baffle ring, said baffle ring ends the rear end that spinning is assigned in said housing.
7. joints of optical fibre housing unit according to claim 6 is characterized in that the outside wall surface of said baffle ring is provided with convexity, and the rear end of said housing is provided with and the corresponding draw-in groove of said convexity, only revolves cooperation through said convexity and draw-in groove between baffle ring and the housing.
8. according to claim 6 or 7 described joints of optical fibre housing units, it is characterized in that said housing comprises inner housing and shell body, said sealing nut and elasticity line ball seat all are located at the rear end of said inner housing.
9. joints of optical fibre housing unit according to claim 8; It is characterized in that; The rear end of said inner housing is provided with the flared section of a pre-small post-large taper type; Has the taper type section that is assemblied in the said taper type flared section on the said line ball seat, the shape complementarity of the profile of said taper type section and said taper type flared section.
10. joints of optical fibre housing unit according to claim 8 is characterized in that, is provided with the inner casing O-ring seal between said inner housing and the shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204163423U CN202351458U (en) | 2011-10-27 | 2011-10-27 | Optical fiber connector with incoming line anti-rotation function and shell component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204163423U CN202351458U (en) | 2011-10-27 | 2011-10-27 | Optical fiber connector with incoming line anti-rotation function and shell component thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351458U true CN202351458U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204163423U Expired - Fee Related CN202351458U (en) | 2011-10-27 | 2011-10-27 | Optical fiber connector with incoming line anti-rotation function and shell component thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351458U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508339A (en) * | 2011-10-27 | 2012-06-20 | 中航光电科技股份有限公司 | Optical fiber connector with inlet wire rotation prevention function and shell component of optical fiber connector |
| CN102981225A (en) * | 2012-11-15 | 2013-03-20 | 中航光电科技股份有限公司 | Optical cable connector for device access and optical cable installing and sealing component thereof |
| CN107894513A (en) * | 2017-10-19 | 2018-04-10 | 宁波中车时代传感技术有限公司 | Track traffic hall speed sensor and its manufacture method |
-
2011
- 2011-10-27 CN CN2011204163423U patent/CN202351458U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508339A (en) * | 2011-10-27 | 2012-06-20 | 中航光电科技股份有限公司 | Optical fiber connector with inlet wire rotation prevention function and shell component of optical fiber connector |
| CN102508339B (en) * | 2011-10-27 | 2014-10-08 | 中航光电科技股份有限公司 | Optical fiber connector with inlet wire rotation prevention function and shell component of optical fiber connector |
| CN102981225A (en) * | 2012-11-15 | 2013-03-20 | 中航光电科技股份有限公司 | Optical cable connector for device access and optical cable installing and sealing component thereof |
| CN102981225B (en) * | 2012-11-15 | 2015-04-08 | 中航光电科技股份有限公司 | Optical cable connector for device access and optical cable installing and sealing component thereof |
| CN107894513A (en) * | 2017-10-19 | 2018-04-10 | 宁波中车时代传感技术有限公司 | Track traffic hall speed sensor and its manufacture method |
| CN107894513B (en) * | 2017-10-19 | 2020-04-07 | 宁波中车时代传感技术有限公司 | Hall speed sensor for rail transit and manufacturing method thereof |
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| 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: 20120725 Termination date: 20181027 |