CN216351360U - Prefabricated end switching type optical fiber connector - Google Patents
Prefabricated end switching type optical fiber connector Download PDFInfo
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- CN216351360U CN216351360U CN202122784993.4U CN202122784993U CN216351360U CN 216351360 U CN216351360 U CN 216351360U CN 202122784993 U CN202122784993 U CN 202122784993U CN 216351360 U CN216351360 U CN 216351360U
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- ceramic ferrule
- fiber connector
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Abstract
The utility model discloses a prefabricated end switching type optical fiber movable connector which comprises a connecting end head, an adapter, a tail sleeve, an outer sheath and an optical fiber, wherein the connecting end head comprises an outer body, an inner body, a ceramic ferrule and a spring, the inner body is arranged inside the outer body, the front end of the ceramic ferrule is inserted into an inner hole of the inner body, the tail end of the ceramic ferrule is inserted into the front end of the adapter, the spring is arranged between the ceramic ferrule and the adapter, the tail sleeve is sleeved outside the adapter, the optical fiber penetrates into the ceramic ferrule, the outer sheath is clamped into an optical cable fixing groove of the tail sleeve, the connecting end head and the tail sleeve are detachably connected through the adapter, the adapter comprises a first connecting main body and a second connecting main body, and the first connecting main body and the second connecting main body are detachably connected. Through the mode, the prefabricated end-switching type optical fiber connector can reduce the operation difficulty, improve the production efficiency, reduce the repair difficulty, avoid the bad phenomenon of large insertion loss caused by mechanical crimping and improve the one-time qualification rate of products.
Description
Technical Field
The utility model relates to the technical field of optical cable fiber distribution boxes, in particular to a prefabricated end switching type optical fiber movable connector.
Background
The existing optical cable and connector in the prefabricated finished end are formed by mechanical physical compression joint, the installation steps are complex, and the installation efficiency is not high.
The optical cable and the connector are easy to shift in the crimping process, so that the insertion loss of a product is easy to increase; the optical cable and the connector are easy to bend in compression joint, so that the pulling-out force of a product is easy to lose efficacy; the product can not be repaired after failure.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a prefabricated end-switching type optical fiber connector, which can reduce the operation difficulty, facilitate the improvement of the production efficiency, reduce the repair difficulty, avoid the bad phenomenon of large insertion loss caused by mechanical crimping and improve the one-time qualification rate of products.
In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a prefabricated end-switching type optical fiber connector, which comprises: a connecting end, a switching head, a tail sleeve, an outer sheath and an optical fiber,
the connecting end comprises an outer body, an inner body, a ceramic ferrule and a spring, wherein the inner body is arranged inside the outer body, the front end of the ceramic ferrule is inserted into an inner hole of the inner body, the tail end of the ceramic ferrule is inserted into the front end of the adapter, the spring is arranged between the contact surfaces of the ceramic ferrule and the adapter, the tail sleeve is sleeved outside the adapter, the optical fiber penetrates into the ceramic ferrule, the outer sheath is clamped into an optical cable fixing groove of the tail sleeve,
the connecting end head and the tail sleeve are detachably connected through the adapter, the adapter comprises a first connecting body and a second connecting body, and the first connecting body and the second connecting body are connected together in a detachable mode.
In a preferred embodiment of the present invention, the adapter and the connecting terminal are coaxially disposed.
In a preferred embodiment of the present invention, the first connecting body is a lower engaging member, the second connecting body is an upper engaging member, the lower engaging member is provided with a notch, and the upper engaging member and the lower engaging member are engaged with each other through the notch.
In a preferred embodiment of the present invention, the end of the ferrule is inserted into the front end of the lower clip.
In a preferred embodiment of the present invention, the first connecting body is a screw body, the second connecting body is a nut, the surface of the screw body is provided with connecting threads, and the nut is screwed on the screw body.
In a preferred embodiment of the present invention, the end of the ferrule is inserted into the front end of the helical body.
The utility model has the beneficial effects that: the prefabricated end-switching type optical fiber connector reduces the operation difficulty, is convenient for improving the production efficiency, can also reduce the repair difficulty, avoids the bad phenomenon of large insertion loss caused by mechanical crimping, and can improve the one-time qualification rate of products.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a first embodiment of a pre-terminated optical fiber connector of the present invention;
FIG. 2 is an enlarged view of a transition joint of an embodiment of the pre-terminated transition type fiber optic tether connector of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the pre-terminated optical fiber connector of the present invention;
FIG. 4 is an enlarged view of a second transition joint of the second embodiment of the pre-terminated transition type optical fiber connector of the present invention;
the parts in the drawings are numbered as follows: 1-1 part of outer body, 1-2 parts of inner body, 1-3 parts of ceramic ferrule, 1-4 parts of spring, 1-5 parts of lower clamping piece, 1-6 parts of upper clamping piece, 1-7 parts of tail sleeve, 1-8 parts of outer sheath, 1-9 parts of optical fiber, 1-10 parts of notch, 1-11 parts of optical cable fixing groove;
2-1 parts of outer body, 2-2 parts of inner body, 2-3 parts of ceramic ferrule, 2-4 parts of spring, 2-5 parts of spiral main body, 2-6 parts of screw cap, 2-7 parts of tail sleeve, 2-8 parts of outer sheath, 2-9 parts of optical fiber, 2-10 parts of connecting thread, 2-11 parts of optical cable fixing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
example one
A pre-terminated transition-type optical fiber connector, comprising: the connecting device comprises a connecting end, an adapter, tail sleeves 1-7 and a rubber-insulated optical cable, wherein the adapter and the connecting end are coaxially arranged, and the connecting end and the tail sleeves 1-7 are detachably connected through the adapter. One end of the adapter is arranged on the connecting end, the other end of the adapter is sleeved with a tail sleeve 1-7, and the rubber-insulated optical cable penetrates through the tail sleeve 1-7 and the adapter to be fixedly connected with the connecting end.
In this embodiment, the adapter includes a lower clamping member 1-5 and an upper clamping member 1-6 which are detachably connected, a notch 1-10 is formed in the lower clamping member 1-5, and the upper clamping member 1-6 and the lower clamping member 1-5 are clamped together through the notch 1-10.
Specifically, the connecting end comprises an outer body 1-1, an inner body 1-2, a ceramic ferrule 1-3 and a spring 1-4, the rubber-insulated-wire optical cable comprises an outer sheath 1-8 and an optical fiber 1-9, the inner body 1-2 is installed inside the outer body 1-1, the front end of the ceramic ferrule 1-3 is inserted into an inner hole of the inner body 1-2, the tail end of the ceramic ferrule 1-3 is inserted into the front end of the lower clamping piece 1-5, the spring 1-4 is arranged between the contact surfaces of the ceramic ferrule 1-3 and the lower clamping piece 1-5, and the tail sleeve 1-7 is sleeved outside the adapter.
The installation process of the prefabricated end-switching optical fiber connector in the embodiment is as follows:
firstly, pre-assembling the inner body 1-2, the ceramic ferrule 1-3, the spring 1-4 and the lower clamping piece 1-5,
wherein the inner body 1-2 is arranged inside the outer body 1-1, the front end of the ceramic ferrule 1-3 is inserted into the inner hole of the inner body 1-2, the tail end of the ceramic ferrule 1-3 is inserted into the front end of the lower clamping piece 1-5, a spring 1-4 is arranged between the contact surfaces of the ceramic ferrule 1-3 and the lower clamping piece 1-5, the tail sleeve 1-7 is sleeved outside the upper clamping piece 1-6,
and stripping the rubber-insulated-wire optical cable, inserting the optical fiber 1-9 into the ceramic ferrule 1-3, clamping the outer sheath 1-8 into an optical cable fixing groove 1-11 of the adapter, clamping the upper clamping piece 1-6 and the lower clamping piece 1-5 together through the notch 1-10, and firmly fixing the optical cable and the connector together.
In the embodiment, the original compression joint fixing mode is replaced by adopting a clamping mode, so that the compression joint link is saved, the efficiency is improved, the production difficulty can be reduced by adopting the clamping mode, the product is relatively easy to repair after failure, the repair time is greatly shortened, and the rejection rate of the product can be directly reduced; fourth, the bad phenomenon that the insertion loss is increased caused by mechanical compression joint can be avoided.
Example two
A pre-terminated transition-type optical fiber connector, comprising: the connecting device comprises a connecting end, an adapter, tail sleeves 2-7 and a rubber-insulated optical cable, wherein the adapter and the connecting end are coaxially arranged, one end of the adapter is installed on the connecting end, the tail sleeves 2-7 are sleeved at the other end of the adapter, and the rubber-insulated optical cable penetrates through the tail sleeves 2-7 and the adapter to be fixedly connected with the connecting end.
In the embodiment, the adapter comprises a detachable spiral body 2-5 and a screw cap 2-6, wherein the surface of the spiral body 2-6 is provided with a connecting thread 2-10, and the screw cap 2-6 is locked on the spiral body 2-5 in a screwing mode.
Specifically, the connecting end comprises an outer body 2-1, an inner body 2-2, a ceramic ferrule 2-3 and a spring 2-4, the rubber-insulated-wire optical cable comprises an outer sheath 2-8 and an optical fiber 2-9, the inner body 2-2 is installed inside the outer body 2-1, the front end of the ceramic ferrule 2-3 is inserted into an inner hole of the inner body 2-2, the tail end of the ceramic ferrule 2-3 is inserted into the front end of the spiral main body 2-5, the spring 2-4 is arranged between the contact surface of the ceramic ferrule 2-3 and the spiral main body 2-5, and a tail sleeve 2-7 is sleeved outside the adapter.
The installation process of the prefabricated end-switching optical fiber connector in the embodiment is as follows:
firstly, pre-assembling the inner body 2-2, the ceramic ferrule 2-3, the spring 2-4 and the spiral main body 2-5,
wherein the inner body 2-2 is arranged inside the outer body 2-1, the front end of the ceramic ferrule 2-3 is inserted into the inner hole of the inner body 2-2, the tail end of the ceramic ferrule 2-3 is inserted into the front end of the spiral main body 2-5, a spring 2-4 is arranged between the contact surface of the ceramic ferrule 2-3 and the spiral main body 2-5, a tail sleeve 2-7 is sleeved outside the screw cap 2-6,
and stripping the rubber-insulated-wire optical cable, inserting the optical fiber 2-9 into the ceramic ferrule 2-3, clamping the outer sheath 2-8 into the optical cable fixing groove 2-11 of the adapter, and then screwing the spiral main body 2-5 and the screw cap 2-6 in a rotating manner to firmly fix the optical cable and the connector together.
In the embodiment, the original compression joint fixing mode is replaced by a spiral mode, so that the compression joint link is saved, the efficiency is improved, the operation difficulty is reduced by the spiral mode, and the product is easy to repair after failure; fourth, the bad phenomenon that the insertion loss is increased caused by mechanical compression joint can be avoided.
The prefabricated end-switching type optical fiber connector has the beneficial effects that:
the operation difficulty is reduced, the production efficiency is improved, the repair difficulty can be reduced, the bad phenomenon that the insertion loss is increased due to mechanical crimping is avoided, and the one-time qualification rate of products can be improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A prefabricated end-switching optical fiber connector is characterized by comprising: a connecting end, a switching head, a tail sleeve, an outer sheath and an optical fiber,
the connecting end comprises an outer body, an inner body, a ceramic ferrule and a spring, wherein the inner body is arranged inside the outer body, the front end of the ceramic ferrule is inserted into an inner hole of the inner body, the tail end of the ceramic ferrule is inserted into the front end of the adapter, the spring is arranged between the contact surfaces of the ceramic ferrule and the adapter, the tail sleeve is sleeved outside the adapter, the optical fiber penetrates into the ceramic ferrule, the outer sheath is clamped into an optical cable fixing groove of the tail sleeve,
the connecting end head and the tail sleeve are detachably connected through the adapter, the adapter comprises a first connecting body and a second connecting body, and the first connecting body and the second connecting body are connected together in a detachable mode.
2. The pre-terminated transition-type optical fiber connector of claim 1, wherein the adapter and the connector termination are coaxially disposed.
3. The optical fiber connector as claimed in claim 1, wherein the first connecting body is a lower engaging member, the second connecting body is an upper engaging member, the lower engaging member has a notch, and the upper engaging member and the lower engaging member are engaged with each other through the notch.
4. The preformed end-transition type optical fiber connector as claimed in claim 3, wherein the end of the ferrule is inserted into the front end of the lower clip.
5. The optical fiber connector as claimed in claim 1, wherein the first connecting body is a screw body, the second connecting body is a nut, the surface of the screw body is provided with connecting threads, and the nut is screwed onto the screw body.
6. The pre-terminated transition-type optical fiber connector of claim 5, wherein the distal end of the ferrule is inserted into the front end of the helical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784993.4U CN216351360U (en) | 2021-11-15 | 2021-11-15 | Prefabricated end switching type optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784993.4U CN216351360U (en) | 2021-11-15 | 2021-11-15 | Prefabricated end switching type optical fiber connector |
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| CN216351360U true CN216351360U (en) | 2022-04-19 |
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| CN202122784993.4U Active CN216351360U (en) | 2021-11-15 | 2021-11-15 | Prefabricated end switching type optical fiber connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131912A1 (en) * | 2022-12-21 | 2024-06-27 | 长飞光纤光缆股份有限公司 | Miniaturized inner core structure for fiber optic preformed end and combination kit comprising said inner core structure |
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2021
- 2021-11-15 CN CN202122784993.4U patent/CN216351360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131912A1 (en) * | 2022-12-21 | 2024-06-27 | 长飞光纤光缆股份有限公司 | Miniaturized inner core structure for fiber optic preformed end and combination kit comprising said inner core structure |
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