CN216526394U - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
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- CN216526394U CN216526394U CN202122870697.6U CN202122870697U CN216526394U CN 216526394 U CN216526394 U CN 216526394U CN 202122870697 U CN202122870697 U CN 202122870697U CN 216526394 U CN216526394 U CN 216526394U
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- ceramic ferrule
- outer sleeve
- cable
- ceramic
- optical fiber
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Abstract
The utility model relates to the field of optical fiber connectors, comprising: the prefabricated end comprises a ceramic ferrule, a ceramic ferrule seat, a spring and a jacket; one end of the spring is abutted against the protruding part, and the other end of the spring is abutted against the port of the outer sleeve, so that the ceramic ferrule and the ceramic ferrule seat can be contracted when external force is applied to the ceramic ferrule and can return to the original position when the external force is removed; the surface of the outer sleeve is also provided with a threaded part and a clamping part; a pull cap having a pull ring and an internal thread that mates with the threaded portion of the prepared end; when the optical fiber connector needs to be pulled, the pull wire cap is used for being matched with the outer sleeve to seal the ceramic ferrule; the shell is fixed on the prefabricated end through the clamping groove and prevents the prefabricated end from rotating through the positioning key; and when the optical fiber connector needs to be connected with the adapter, the optical fiber connector is configured on the corresponding adapter through the shell.
Description
Technical Field
The present invention relates to the field of fiber optic connectors.
Background
The optical fiber connector is easy to damage the ceramic inserting core of the head part due to no protection when being used for threading, and meanwhile, the optical fiber connector is directly used for threading due to the fact that the size of the optical fiber connector is large, and threading or wire pulling operation is not easy to carry out.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of the prior art, the utility model provides an optical fiber connector.
The technical scheme provided by the utility model is as follows:
an optical fiber connector comprising:
the method comprises the following steps:
the prefabricated end comprises a ceramic ferrule, a ceramic ferrule seat, a spring and a jacket; the ceramic ferrule seat is integrally cylindrical, the front end of the ceramic ferrule seat is provided with a bulge, and the ceramic ferrule is arranged close to the front end of the bulge; the protruding part is provided with a positioning groove; the outer sleeve is integrally cylindrical, the spring is sleeved on the main body of the ceramic core inserting seat, one end of the spring abuts against the protruding part, the other end of the spring abuts against the port of the outer sleeve, and the outer sleeve receives at least one part of the ceramic core inserting seat; the front end of the outer surface of the outer sleeve is provided with a thread part and a clamping part extending outwards;
a pull cap having a pull ring and an internal thread that mates with the threaded portion of the prepared end; when the optical fiber connector needs to be pulled, the pull wire cap is used for being matched with the outer sleeve to seal the ceramic ferrule; a first state when the pull cap is engaged with the prepared end;
a housing for securing to the prefabricated end and mating with a port of an external adapter; the shell is provided with a front part allowing the ceramic ferrule to extend out and a tail part used for accommodating the ceramic ferrule seat and allowing the ceramic ferrule seat to move back and forth; the tail part is configured to be provided with an elastic wall, and a clamping groove matched with the clamping part is arranged on the elastic wall; the part of the tail part for accommodating the ceramic plug core seat is provided with a positioning key matched with the positioning groove; the tail part of the shell can be inserted from the front end of the prefabricated end, the clamping groove is fixed to the clamping part through the elastic wall, so that the shell and the prefabricated end are relatively fixed, and meanwhile, the ceramic ferrule seat is prevented from rotating through the matching of the positioning key and the positioning groove; the second state when the housing is secured to the prepared end.
Preferably, the ceramic core insert seat is fixedly connected with the optical cable.
Preferably, the optical cable includes a yellow cable and a sheath cable.
Preferably, the tail sleeve further comprises a clamping ring, and the tail sleeve is arranged at the tail end of the outer sleeve and is configured at the tail part of the prefabricated end through the clamping ring.
Preferably, the cable protection device further comprises a yellow cable sleeve, wherein the yellow cable sleeve is arranged in a hollow tubular shape and is arranged in the outer sleeve; when the optical fiber connector uses the yellow cable, the outer sheath and the aramid fiber inner layer of the yellow cable are clamped between the outer sleeve and the yellow cable sleeve so as to relatively fix the yellow cable and the optical fiber connector.
Preferably, one end of the yellow cable sleeve is provided with a rim extending to the outside, and the outer skin and the aramid inner layer of the yellow cable are fixed to the outer jacket through the rim.
The utility model has the beneficial effects that:
the prefabricated end of the optical fiber connector can be prefabricated in a factory, the ceramic ferrule is matched and ground with the optical fiber, and the optical performance index is stable; when the pulling wire or the wall is required to be pulled, the traction cap is fixed on the prefabricated end to be operated, and after the traction is completed, the traction cap is detached to insert and fix the shell on the prefabricated end to form the optical fiber connector.
Drawings
FIG. 1 is a schematic diagram of the configuration of the prepared end of the fiber optic connector of the present invention without the jacket;
FIG. 2 is a schematic structural view of a prepared end of a fiber optic connector and a pull cap of the present invention;
FIG. 3 is a schematic view of the pre-formed end and housing of the fiber optic connector of the present invention;
FIG. 4 is a schematic view of the prefabricated end of the optical fiber connector of the present invention assembled with a housing;
FIG. 5 is a schematic view of the prefabricated end of the fiber optic connector of the present invention assembled with a pull cap;
FIG. 6 is a schematic diagram of the internal structure of the housing of the optical fiber connector of the present invention;
FIG. 7 is a schematic view of the mating structure of the yellow cable and the yellow cable sleeve of the optical fiber connector of the present invention;
FIG. 8 is a cross-sectional view of a pre-formed end of the fiber optic connector of the present invention using a yellow cable;
FIG. 9 is a schematic view of a yellow cable sleeve of the optical fiber connector of the present invention;
FIG. 10 is a schematic view of the structure of the port of the optical fiber connector of the present invention engaged with the spring;
fig. 11 is a cross-sectional view of the optical fiber connector of the present invention with the optical fiber cable fixed to the ceramic ferrule holder.
Detailed Description
The utility model will be further explained with reference to the drawings,
an optical fiber connector, as shown in fig. 1, 2, 3, 4, 5 and 6, comprising:
the prefabricated end comprises a ceramic ferrule 1, a ceramic ferrule seat 2, a spring 3 and a jacket 4; the ceramic plug seat 2 is integrally cylindrical, a protruding part 5 is arranged at the front end of the cylinder, and a positioning groove 6 is arranged on the protruding part 5; and one end near the projection 5 for arranging the ferrule 1; the ceramic core inserting seat 2 is used for fixing optical fibers, and the optical cable of the optical fibers can be a rubber cable or a yellow cable; the outer sleeve 4 is cylindrical as a whole, and the outer sleeve 4 is used for receiving at least one part of the ceramic core inserting seat 2; the spring 3 is sleeved on the main body of the ceramic ferrule holder 2, one end of the spring 3 abuts against the protruding part 5, and the other end abuts against the port 7 of the outer sleeve 4 as shown in fig. 10, so that the ceramic ferrule 1 and the ceramic ferrule holder 2 can be contracted when external force is applied, and can return to the original position when the external force is removed; the port 7 is a cylindrical section part at the front end of the shell of the outer sleeve 4, the spring 3 does not extend into the outer sleeve 4, namely, a gap for configuring the spring 3 is not formed between the ceramic plug holder 2 and the outer sleeve 4, and the spring 3 is directly abutted against the port 7 at the front end of the outer sleeve 4, so that the diameter of the outer sleeve 4 is smaller, and the outer sleeve 4 only needs to receive the tail end part of the ceramic plug holder 2; the front end of the surface of the outer sleeve 4 is also provided with a thread part 8 and a clamping part 9, and the thread part 8 is positioned at the foremost end; the thread part 8 and the clamping part 9 are partially cut, so that the top and the bottom are straight to facilitate the installation of the shell 12, and the clamping part 9 can be provided with a slope towards the front end face to facilitate the installation of the shell 12;
a pull cap 10 having a pull ring 11 and an internal thread to be engaged with the threaded portion 8 of the prepared end; when the optical fiber connector needs to be pulled, the pulling cap 10 is used for matching with the threaded part 8 of the outer sleeve 4 to close the ceramic ferrule 1; the first state when the pull cap is used in conjunction with the prepared end.
A housing 12 for fixing to said prepared end and for cooperating with a port of an external adapter, said housing 12 having a front portion for allowing said ferrule to protrude and a rear portion for receiving said ceramic ferrule holder 2 and allowing said ceramic ferrule holder 2 to move back and forth. The part of the shell 12 for accommodating the ceramic ferrule holder 2 has an elastic wall 13, and the elastic wall 13 forms a cavity for accommodating the ceramic ferrule holder, and the cavity allows the ceramic ferrule holder 2 and the ceramic ferrule 1 to move back and forth together when the shell 12 is fixed on the prefabricated end; a clamping groove 14 matched with the clamping part 9 is formed in the elastic wall 13, and the elastic wall 13 is formed by machining and cutting an opening 15 in the shell 12, so that the elastic wall 13 has elastic movement capacity; a positioning key 16 matched with the positioning groove 6 is arranged inside the shell 12; the housing 12 is fixed to the prepared end by the bayonet slot 14 and the prepared end is prevented from rotating by the locating key 16 extending between the lugs 5; when the optical fiber connector needs to be connected with an adapter, the tail part of the shell 12 can be inserted from the front end of the prefabricated end, the elastic wall 13 is elastically deformed outwards after being contacted with the clamping part 9, so that the clamping part 9 enters a cavity formed by the elastic wall 13, and then the clamping part 9 enters the clamping groove 14 and the elastic wall 13 is reset, so that the shell 12 is fixed on the prefabricated end; by arranging the fiber optic connectors with the housing 12 to corresponding adapters, the housing 12 may be a compliant SC or FC housing that assumes the second state when secured to the prepared end using the housing.
The prefabricated end sleeve further comprises a tail sleeve 17, the outer sleeve 4 further comprises a clamping ring 18, and the outer sleeve 17 is arranged at the tail of the prefabricated end through the clamping ring 18.
As shown in fig. 7, 8 and 9, the sheath further includes a yellow cable sleeve 19, the yellow cable sleeve 19 is hollow and tubular, one end of the yellow cable sleeve 19 is provided with a rim extending outwards, and the yellow cable sleeve 19 is arranged in the outer sleeve 4; when the optical fiber connector uses a yellow cable, the optical fiber core part penetrates out of the middle part of a yellow cable sleeve 19, the outer skin and the aramid fiber inner layer of the yellow cable are arranged on the outer side of the yellow cable sleeve 19 and are ensured to at least cover the edge of the yellow cable sleeve 19, so that the yellow cable sleeve 19 is inserted into the outer sleeve 4, the outer skin and the aramid fiber inner layer of the yellow cable are clamped between the outer sleeve 4 and the yellow cable sleeve 19, and the yellow cable and the optical fiber connector are relatively fixed; the yellow cable sleeve 19 is fixed relative to the outer sleeve 4, a certain gap needs to be reserved between the front part of the yellow cable sleeve 19 and the ceramic ferrule base 2, and when the ceramic ferrule base 2 contracts and moves backwards, the yellow cable sleeve 19 and the outer sleeve 4 are fixed relative to each other, so that the distance between the yellow cable sleeve 19 and the ceramic ferrule base 2 needs to ensure that the optical fiber cannot be damaged when being bent.
As shown in fig. 11, unlike the solution using the yellow cable sleeve 19, the stripped part of the optical cable is fixed in the tail of the ferrule holder 2 by arranging the long ferrule holder 2, which is suitable for both yellow cables and leather cables, so that when the ferrule holder 2 is contracted, the whole optical cable is moved backwards in the jacket 4 by the ferrule holder 2.
The present invention has been described in detail with reference to the preferred embodiments. However, variations and additions to the embodiments will become apparent to those of ordinary skill in the art upon a reading of the foregoing description. It is the intention of the applicants that all such variations and additions fall within the scope of the utility model as claimed.
Claims (6)
1. An optical fiber connector, characterized by:
the method comprises the following steps:
the prefabricated end comprises a ceramic ferrule, a ceramic ferrule seat, a spring and a jacket; the ceramic ferrule seat is integrally cylindrical, the front end of the ceramic ferrule seat is provided with a bulge, and the ceramic ferrule is arranged close to the front end of the bulge; the protruding part is provided with a positioning groove; the outer sleeve is integrally cylindrical, the spring is sleeved on the main body of the ceramic core inserting seat, one end of the spring abuts against the protruding part, the other end of the spring abuts against the port of the outer sleeve, and the outer sleeve receives at least one part of the ceramic core inserting seat; the front end of the outer surface of the outer sleeve is provided with a thread part and a clamping part extending outwards;
a pull cap having a pull ring and an internal thread that mates with the threaded portion of the prepared end; when the optical fiber connector needs to be pulled, the pull wire cap is used for being matched with the outer sleeve to seal the ceramic ferrule; a first state when the pull cap is engaged with the prepared end;
a housing for securing to the prefabricated end and mating with a port of an external adapter; the shell is provided with a front part allowing the ceramic ferrule to extend out and a tail part used for accommodating the ceramic ferrule seat and allowing the ceramic ferrule seat to move back and forth; the tail part is configured to be provided with an elastic wall, and a clamping groove matched with the clamping part is arranged on the elastic wall; the part of the tail part for accommodating the ceramic plug core seat is provided with a positioning key matched with the positioning groove; the tail part of the shell can be inserted from the front end of the prefabricated end, the clamping groove is fixed to the clamping part through the elastic wall, so that the shell and the prefabricated end are relatively fixed, and meanwhile, the ceramic ferrule holder is prevented from rotating through the matching of the positioning key and the positioning groove; the second state when the housing is secured to the prepared end.
2. The fiber optic connector of claim 1, wherein:
the ceramic plug seat is fixedly connected with the optical cable.
3. The fiber optic connector of claim 2, wherein:
the optical cable comprises a yellow cable and a rubber cable.
4. The fiber optic connector of claim 1, wherein:
the tail end of the outer sleeve is further provided with a clamping ring, and the tail sleeve is arranged at the tail part of the prefabricated end through the clamping ring.
5. The fiber optic connector of claim 1, wherein:
the cable comprises an outer sleeve and a cable sleeve, wherein the outer sleeve is hollow and tubular; when the optical fiber connector uses the yellow cable, the outer sheath and the aramid fiber inner layer of the yellow cable are clamped between the outer sleeve and the yellow cable sleeve so as to relatively fix the yellow cable and the optical fiber connector.
6. The fiber optic connector of claim 5, wherein:
the one end of yellow cable sleeve pipe sets up to have the border that extends to the outside, through the border is fixed in the crust and the aramid fiber inlayer of yellow cable the overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122870697.6U CN216526394U (en) | 2021-11-22 | 2021-11-22 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122870697.6U CN216526394U (en) | 2021-11-22 | 2021-11-22 | Optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526394U true CN216526394U (en) | 2022-05-13 |
Family
ID=81532696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122870697.6U Active CN216526394U (en) | 2021-11-22 | 2021-11-22 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216526394U (en) |
-
2021
- 2021-11-22 CN CN202122870697.6U patent/CN216526394U/en active Active
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