CN202710788U - Adapter and optical fiber connector using same - Google Patents
Adapter and optical fiber connector using same Download PDFInfo
- Publication number
- CN202710788U CN202710788U CN 201220253293 CN201220253293U CN202710788U CN 202710788 U CN202710788 U CN 202710788U CN 201220253293 CN201220253293 CN 201220253293 CN 201220253293 U CN201220253293 U CN 201220253293U CN 202710788 U CN202710788 U CN 202710788U
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- adapter
- spring
- top spring
- joints
- optical fibre
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Abstract
The utility model relates to an optical fiber adapter and an optical fiber connector using a same. The optical fiber adapter comprises an adapter housing installed with a staple bolt. The adapter housing is provided with a plug channel used to plug the optical fiber connector, and an installing wall is disposed in the plug channel. A socket is disposed on at least a side of the installing wall. A top spring is disposed on the installing wall. The top spring is provided with a pressing end used to press the optical fiber connector when the adapter plugs the corresponding optical fiber connector. The adapter does not need a pretightening force spring on the optical fiber connector to provide pressing force for preventing loose of the connecting cap, so that restriction of installing forms of the pretightening force spring on the optical fiber connector is removed, and a problem of falling back of an optical contact caused by an existing optical fiber connector and adapter being in need of the pretightening force spring on the optical fiber connector to provide locking force of the connecting cap is solved.
Description
Technical field
The utility model relates to the light coupling, especially a kind of fiber adapter and use the fiber optic connector assembly of this adapter.
Background technology
Generally speaking, need one to receive one and link to each other with photoelectric conversion module in the free fiber-optics connector, in this process, adapter just becomes bridge wherein, and the joints of optical fibre and adapter combination have just consisted of our daily said fiber optic connector assembly.The patent No. is that 2007101421116 the disclosed ST joints of optical fibre of Chinese patent are exactly a kind of of the joints of optical fibre, these joints of optical fibre comprise the contact pin housing, the contact pin housing comprises the large footpath section of front end and the path section of rear end, described large, the connection of path section be in the contact pin housing in, respectively form a step surface on the outside surface, be equipped with the light contact pin in the large footpath section of contact pin housing, in addition, also be equipped with attachment cap along the fore-and-aft direction activity on the contact pin housing, rotating being assemblied on the contact pin housing and in internal face of attachment cap is provided with the convex edge, be top-loaded with prefastening force spring between the step surface on the leading flank of convex edge and the contact pin housing outer surface, the rear end of contact pin housing also is provided with for the crust with corresponding optical cable and is pressed on pressuring line structure on the contact pin housing.Adapter comprises the adapter housing, the adapter housing is provided with the grafting passage that inserts for the joints of optical fibre, during use, the described joints of optical fibre are pegged graft with corresponding adapter, bail on the adapter snaps in the draw-in groove that is located on the described attachment cap, thereby with the joints of optical fibre and adapter locking, meanwhile, the contact pin housing is pressed on the prefastening force spring top, for providing, the light contact pin also provides locking pretightning force for attachment cap when plugging together pretightning force, this just so that prefastening force spring must arrange by present form, yet, because described prefastening force spring is to withstand between contact pin housing and the attachment cap, therefore and the light contact pin fixedly is assemblied on the contact pin housing, when spurring with optical cable that the joints of optical fibre are connected, will certainly make the light contact pin along with contact pin housing play backward, thereby cause signal interruption, directly reduced the reliability of optic path; Tracing it to its cause, is to provide the locking power of attachment cap to cause owing to fiber optic connector assembly need to lean on the prefastening force spring of the joints of optical fibre.In addition, when from radially to the joints of optical fibre application of force time, the crooked situation of light contact pin also happens occasionally; Moreover, on the above-mentioned joints of optical fibre without corresponding waterproof and dustproof structure, this so that the applicable situation of the joints of optical fibre be limited by very large.
The utility model content
The purpose of this utility model is to provide a kind of fiber adapter, and the problem of the light contact pin rollback that the locking power of attachment cap causes is provided owing to the prefastening force spring that needs the joints of optical fibre to solve existing fiber connector and adapter.
Simultaneously, the purpose of this utility model also is to provide the fiber optic connector assembly that uses above-mentioned adapter.
In order to address the above problem, fiber adapter of the present utility model is by the following technical solutions: a kind of fiber adapter, comprise the adapter housing that is equipped with bail, be provided with in the described adapter housing for the grafting passage of pegging graft with the joints of optical fibre and in the assembly wall that is provided with of grafting passage, the grafting passage has socket at least one side place of assembly wall, be equipped with the top spring on the described assembly wall, described top spring has the top pressure side head for top press polish fiber connector when described adapter is pegged graft with the corresponding joints of optical fibre.
Described grafting passage all has socket in the place, both sides of assembly wall, and described top spring is volute spring, and the top spring is assemblied on the assembly wall by a guide pipe, and the two ends of top spring all have described top pressure side head.
Be equipped with the telescopic head with the telescopic movable of top spring on the top pressure side head of described top spring.
Described telescopic head have for the top splenium of corresponding joints of optical fibre top press fit, described top splenium is provided with tongue, telescopic head is inserted on the corresponding top spring by its tongue, and the critical place of tongue and top splenium has the step surface that cooperates with the corresponding end block of top spring.
Fixedly be equipped with cover cap on the assembly wall, described cover cap is provided with and telescopic head through hole one to one, and the top splenium of telescopic head protrudes cover cap away from an end of top spring and cooperates with the internal face block of cover cap by being located at its outer turning edge near an end place of top spring from the through hole of correspondence.
Fiber optic connector assembly of the present utility model is by the following technical solutions: fiber optic connector assembly, comprise the joints of optical fibre and adapter, the described joints of optical fibre comprise contact pin housing and attachment cap, adapter comprises the adapter housing that is equipped with bail, be provided with in the adapter housing for the grafting passage of pegging graft with the joints of optical fibre and in the assembly wall that is provided with of grafting passage, the grafting passage has socket at least one side place of assembly wall, be equipped with the top spring on the described assembly wall, described top spring has the top pressure side head for top press polish fiber connector when described adapter and the joints of optical fibre are pegged graft.
Described grafting passage all has socket in the place, both sides of assembly wall, and described top spring is volute spring, and the top spring is assemblied on the assembly wall by a guide pipe, and the two ends of top spring all have described top pressure side head.
Be equipped with the telescopic head with the telescopic movable of top spring on the top pressure side head of described top spring.
Described telescopic head have for the top splenium of joints of optical fibre top press fit, described top splenium is provided with tongue, telescopic head is inserted on the corresponding top spring by its tongue, the critical place of tongue and top splenium has the step surface that cooperates with the corresponding end block of top spring.
Fixedly be equipped with cover cap on the assembly wall, described cover cap is provided with and telescopic head through hole one to one, and the top splenium of telescopic head protrudes cover cap away from an end of top spring and cooperates with the internal face block of cover cap by being located at its outer turning edge near an end place of top spring from the through hole of correspondence.
Because fiber adapter of the present utility model is equipped with the top spring at its assembly wall, and described top spring has the top pressure side head for top press polish fiber connector when described adapter is pegged graft with the corresponding joints of optical fibre; Therefore, with the corresponding joints of optical fibre to the process of inserting in, can come top press polish fiber connector by described top spring, for cooperate the attachment cap with the two locking that locking required pressure on top surface is provided with bail, thereby can come by the prefastening force spring on the joints of optical fibre the locking pressure on top surface that provides for attachment cap, remove the constraint to the installation form of the prefastening force spring of the joints of optical fibre, solved existing fiber connector and adapter provide the light contact pin rollback that the locking power of attachment cap causes owing to the prefastening force spring that needs the joints of optical fibre problem.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of fiber adapter of the present utility model;
Fig. 2 is the C-C cut-open view of Fig. 1;
Fig. 3 is the structural representation of the joints of optical fibre among the embodiment 1 of fiber optic connector assembly of the present utility model;
Fig. 4 is the right view after the joints of optical fibre among Fig. 3 remove protecting cover;
Fig. 5 is the structural representation of the fiber adapter among the embodiment 1 of fiber optic connector assembly of the present utility model;
Fig. 6 is the C-C cut-open view of Fig. 5.
Embodiment
The embodiment 1 of fiber adapter of the present utility model, shown in Fig. 1-2, comprise adapter housing 11, adapter housing 11 is provided with the grafting passage that inserts for the joints of optical fibre, in the present embodiment, adapter is the double end adapter, therefore the two ends of its grafting passage all have socket, when the joints of optical fibre insert from any end, anti-sway orienting sleeve guiding on grafting passage and the joints of optical fibre cooperates, be provided with the place, both sides that 12, two sockets of assembly wall lay respectively at assembly wall between the two ends of grafting passage, be equipped with light sleeve pipe 13 on the assembly wall 12, light sleeve pipe 13 is corresponding with the light contact pin of the joints of optical fibre, be used for inserting for corresponding light contact pin, in the present embodiment, light sleeve pipe 13 is porcelain bushing; In addition, also be equipped with top spring 14 on the assembly wall 12, top spring 14 adopts volute spring, it is assemblied on the assembly wall by a guide pipe and its two ends all have for the top pressure side head at adapter press polish fiber connector in top when the corresponding joints of optical fibre plug together, two top pressure side heads lay respectively at the both sides of assembly wall and are equipped with separately telescopic head 16, telescopic head 16 has the top splenium of pressing the corresponding joints of optical fibre for the top, the top splenium is provided with tongue, telescopic head is to be inserted on the corresponding end of top spring by tongue, telescopic head 16 can be with the telescopic movable of the top spring at its place, the both sides of assembly wall all fixedly are equipped with cover cap 15, cover cap 15 is located at spring outside, top and is provided with the through hole corresponding with telescopic head and light sleeve pipe difference, the top splenium of telescopic head 16 protrudes from outside the cover cap and by outer turn edge of top splenium near an end setting of corresponding top spring away from an end of the top spring of the correspondence through hole by the correspondence on the cover cap and cooperates with the internal face block of cover cap, when the joints of optical fibre insert adapter, reinforce the housing top and press corresponding telescopic head, thereby provide required power for locking between attachment cap and the adapter; The adapter housing also is provided with the O-ring seal 17 that is sealed and matched for the outside wall surface with the anti-sway orienting sleeve of the joints of optical fibre in its grafting passage.
The embodiment 1 of fiber optic connector assembly of the present utility model shown in Fig. 3-6, is comprised of the joints of optical fibre and adapter.
The structure of the joints of optical fibre as shown in Figure 3-4, comprise and reinforce housing 31, in the present embodiment, reinforce housing 31 and be tubular, reinforcing housing 31 has for the mounting hole that the light contact pin is installed, mounting hole is pre-small post-large stepped hole, in the present embodiment, mounting hole has two, accordingly, light contact pin 32 has two, two light contact pins 32 are assemblied in the corresponding mounting hole by its contact pin housing 33 separately respectively, specifically, namely two light contact pins 32 are respectively fitted with corresponding contact pin housing 33, contact pin housing 33 is and has the tubular of large footpath section and path section, its large footpath section is positioned at before the path section and the critical localisation place of the two forms step surface on contact pin housing 33 outside surfaces, this step surface is towards the rear, 32 of light contact pins are inserted in the large footpath section of corresponding with it contact pin housing, contact pin housing 33 cooperates with the guiding activity on fore-and-aft direction of reinforcing housing 31 after being loaded into corresponding mounting hole, what the front end of mounting hole was provided with that inside turnover forms cooperates to prevent that with the contact pin housing is spacing it is from gear edge that the front end of mounting hole passes, in addition, fixedly be equipped with baffle plate 34 in the large footpath section of mounting hole, baffle plate 34 is positioned at the rear end of contact pin housing 33, be arranged with prefastening force spring 35 on the path section of contact pin housing 33, prefastening force spring 35 pushes up between the step surface and baffle plate 34 that is contained on contact pin housing 33 outside surfaces, after the joints of optical fibre and adapter plug together, prefastening force spring 35 compressions, thus for providing, light contact pin 32 plugs together pretightning force.The rear end that reinforces housing 31 is equipped with rear cover 36, the front portion of rear cover 36 is inserted into the rear end that reinforces housing 31, thereby its front end face and baffle plate 34 top press fits are fixing with baffle plate 34, rear cover 36 inserts on the part of reinforcing housing 31 and is arranged with O-ring seal 37, reinforce between housing 31 and the rear cover 36 and be sealed and matched by sealing circle 37, for rear cover 36 and reinforcing housing 31 are fixed together, reinforce on the housing 31 and also be rotatably equipped with coupling nut 38, coupling nut 38 cooperates with rear cover 36 Anti-movings along fore-and-aft direction, 36 in rear cover is to be fixed on the reinforcing housing 31 by the threaded engagement of coupling nut 38 with the rear end that reinforces housing 31, the rear end of rear cover 36 fixedly is equipped with sealing sheath 39, the rear end of sealing sheath 39 is provided with entrance hole, the hole wall of entrance hole is provided with the hermetically-sealed construction that is sealed and matched for the crust with the optical cable that penetrates, in the present embodiment, the sealing structure is the ring muscle that is located on the hole wall of entrance hole, the center line of the ring that the ring muscle forms and the centerline collineation of entrance hole.In addition, the front end of reinforcing housing 31 also has the convex annular eaves that extends forward, the ring that this protruding eaves forms is centered around the peripheral of light contact pin and forms an anti-sway orienting sleeve, when pegging graft with adapter, anti-sway orienting sleeve can cooperate with the adapter guiding, after plugging together, the joints of optical fibre and adapter prevent from reinforcing housing with respect to adapter generation beat, inclined to one side problem can occur in the light contact pin that has solved the existing joints of optical fibre when being subject to radial force, thereby has also fundamentally stopped the generation of the problem of the loose contact that caused by the beat of light contact pin; Reinforce also be rotatably equipped with on the housing 31 for the attachment cap 40 that the joints of optical fibre and adapter are locked together, attachment cap 40 vertically with reinforcing housing 31 between Anti-moving cooperate; At last, to reinforce on the housing 31 and avoid light contact pin 32 to be pulled in order to act on the pulling force of optical cable, the rear end of reinforcing housing 31 is provided with the fixed sturcture for the crust of fixing corresponding optical cable, specifically.Reinforce housing 31 tail protrusion places and be designed with annular knurl; during use; pressure welding case is crimped on the aramid fiber in optical cable crust and the optical cable on the tail protrusion; the front end of reinforcing housing 31 also is provided with protecting cover 41, and protecting cover 41 is used for the light contact pin is landed protection on the one hand, prevents that it from breaking; can play dustproof effect on the other hand; in the present embodiment, protecting cover 41 is rubber parts, itself and attachment cap 40 interference fit.
The structure of adapter is shown in Fig. 5-6, comprise adapter housing 51, adapter housing 51 is provided with the grafting passage that inserts for the joints of optical fibre, in the present embodiment, adapter is the double end adapter, therefore the two ends of its grafting passage all have socket, when the joints of optical fibre inserted from any end, the grafting passage led with anti-sway orienting sleeve on the joints of optical fibre and cooperates, and is provided with assembly wall 52 between the two ends of grafting passage, two sockets lay respectively at the place, both sides of assembly wall, be equipped with light sleeve pipe 53 on the assembly wall 52, light sleeve pipe 53 is corresponding with the light contact pin of the joints of optical fibre, is used for inserting for corresponding light contact pin, in the present embodiment, light sleeve pipe 53 is porcelain bushing; Also be equipped with top spring 54 on the assembly wall 52 in addition, top spring 54 adopts volute spring, it is assemblied on the assembly wall by a guide pipe and its two ends all have top pressure side head for top press polish fiber connector when adapter and the joints of optical fibre plug together, two top pressure side heads lay respectively at the both sides of assembly wall and are equipped with separately telescopic head 56, telescopic head 56 has the top splenium for top press polish fiber connector, the top splenium is provided with tongue, telescopic head is to be inserted on the corresponding end of top spring by tongue, telescopic head 56 can be with the telescopic movable of the top spring at its place, the both sides of assembly wall all fixedly are equipped with cover cap 55, cover cap 55 is located at spring outside, top and is provided with the through hole corresponding with telescopic head and light sleeve pipe difference, the top splenium of telescopic head 56 protrudes from outside the cover cap and by outer turn edge of top splenium near an end setting of corresponding top spring away from an end of the top spring of the correspondence through hole by the correspondence on the cover cap and cooperates with the internal face block of cover cap, when the joints of optical fibre insert adapter, reinforce the housing top and press corresponding telescopic head, thereby provide required power for locking between attachment cap and the adapter; The adapter housing also is provided with the O-ring seal 57 that is sealed and matched for the outside wall surface with the anti-sway orienting sleeve of the joints of optical fibre in its grafting passage.
In other embodiment of fiber optic connector assembly of the present utility model, the attachment cap described in the embodiment 1 of above-mentioned fiber optic connector assembly can also omit, and in such cases, can be fixedly connected with by the mode that card is joined between the joints of optical fibre and the adapter; Described cover cap also can omit, and in such cases, the thickness that can increase assembly wall is settled the top spring; Described top spring can also be the dish spring.
Claims (10)
1. fiber adapter, comprise the adapter housing that is equipped with bail, be provided with in the described adapter housing for being provided with assembly wall with the grafting passage of joints of optical fibre grafting and in the grafting passage, the grafting passage has socket at least one side place of assembly wall, it is characterized in that, be equipped with the top spring on the described assembly wall, described top spring has the top pressure side head for top press polish fiber connector when described adapter is pegged graft with the corresponding joints of optical fibre.
2. fiber adapter according to claim 1, it is characterized in that, described grafting passage all has socket in the place, both sides of assembly wall, and described top spring is volute spring, the top spring is assemblied on the assembly wall by a guide pipe, and the two ends of top spring all have described top pressure side head.
3. fiber adapter according to claim 1 and 2 is characterized in that, is equipped with the telescopic head with the telescopic movable of top spring on the top pressure side head of described top spring.
4. fiber adapter according to claim 3, it is characterized in that, described telescopic head have for the top splenium of corresponding joints of optical fibre top press fit, described top splenium is provided with tongue, telescopic head is inserted on the corresponding top spring by its tongue, and the critical place of tongue and top splenium has the step surface that cooperates with the corresponding end block of top spring.
5. fiber adapter according to claim 4, it is characterized in that, fixedly be equipped with cover cap on the assembly wall, described cover cap is provided with and telescopic head through hole one to one, and the top splenium of telescopic head protrudes cover cap away from an end of top spring and cooperates with the internal face block of cover cap by being located at its outer turning edge near an end place of top spring from the through hole of correspondence.
6. fiber optic connector assembly, comprise the joints of optical fibre and adapter, the described joints of optical fibre comprise contact pin housing and attachment cap, adapter comprises the adapter housing that is equipped with bail, be provided with in the adapter housing for being provided with assembly wall with the grafting passage of joints of optical fibre grafting and in the grafting passage, the grafting passage has socket at least one side place of assembly wall, it is characterized in that, be equipped with the top spring on the described assembly wall, described top spring has the top pressure side head for top press polish fiber connector when described adapter and the joints of optical fibre are pegged graft.
7. fiber optic connector assembly according to claim 6, it is characterized in that, described grafting passage all has socket in the place, both sides of assembly wall, and described top spring is volute spring, the top spring is assemblied on the assembly wall by a guide pipe, and the two ends of top spring all have described top pressure side head.
8. according to claim 6 or 7 described fiber optic connector assemblies, it is characterized in that, be equipped with the telescopic head with the telescopic movable of top spring on the top pressure side head of described top spring.
9. fiber optic connector assembly according to claim 8, it is characterized in that, described telescopic head have for the top splenium of joints of optical fibre top press fit, described top splenium is provided with tongue, telescopic head is inserted on the corresponding top spring by its tongue, and the critical place of tongue and top splenium has the step surface that cooperates with the corresponding end block of top spring.
10. fiber optic connector assembly according to claim 9, it is characterized in that, fixedly be equipped with cover cap on the assembly wall, described cover cap is provided with and telescopic head through hole one to one, and the top splenium of telescopic head protrudes cover cap away from an end of top spring and cooperates with the internal face block of cover cap by being located at its outer turning edge near an end place of top spring from the through hole of correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220253293 CN202710788U (en) | 2012-05-31 | 2012-05-31 | Adapter and optical fiber connector using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220253293 CN202710788U (en) | 2012-05-31 | 2012-05-31 | Adapter and optical fiber connector using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710788U true CN202710788U (en) | 2013-01-30 |
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ID=47591076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220253293 Expired - Lifetime CN202710788U (en) | 2012-05-31 | 2012-05-31 | Adapter and optical fiber connector using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710788U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216055A (en) * | 2013-06-03 | 2014-12-17 | 深圳日海通讯技术股份有限公司 | Multi-fiber connector |
| CN104297863A (en) * | 2014-05-30 | 2015-01-21 | 中航光电科技股份有限公司 | Circular fiber connector |
| CN104422994A (en) * | 2013-08-26 | 2015-03-18 | 深圳日海通讯技术股份有限公司 | Band-shaped optical fiber connector |
| CN110632710A (en) * | 2019-11-06 | 2019-12-31 | 洛阳赛焱光电科技有限公司 | Miniaturized optical fiber adapter |
-
2012
- 2012-05-31 CN CN 201220253293 patent/CN202710788U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216055A (en) * | 2013-06-03 | 2014-12-17 | 深圳日海通讯技术股份有限公司 | Multi-fiber connector |
| CN104216055B (en) * | 2013-06-03 | 2017-02-08 | 深圳日海通讯技术股份有限公司 | Multi-fiber connector |
| CN104422994A (en) * | 2013-08-26 | 2015-03-18 | 深圳日海通讯技术股份有限公司 | Band-shaped optical fiber connector |
| CN104297863A (en) * | 2014-05-30 | 2015-01-21 | 中航光电科技股份有限公司 | Circular fiber connector |
| CN104297863B (en) * | 2014-05-30 | 2016-03-23 | 中航光电科技股份有限公司 | Round fiber connector |
| CN110632710A (en) * | 2019-11-06 | 2019-12-31 | 洛阳赛焱光电科技有限公司 | Miniaturized optical fiber adapter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
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| CX01 | Expiry of patent term |