CN202472042U - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN202472042U CN202472042U CN2011205464019U CN201120546401U CN202472042U CN 202472042 U CN202472042 U CN 202472042U CN 2011205464019 U CN2011205464019 U CN 2011205464019U CN 201120546401 U CN201120546401 U CN 201120546401U CN 202472042 U CN202472042 U CN 202472042U
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- Prior art keywords
- joints
- optical fibre
- bend pipe
- optical
- joint portion
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Abstract
The utility model provides an optical fiber connector. The optical fiber connector includes a shell; an inserting core assembly installed in the shell and configured to be at least one optical fiber connecting with an optical cable; a holding base arranged to keep the inserting core assembly in the shell and including a combining part; a bending tube having a first end combined onto the combining part in a detachable manner; and a combining ring connected to a second end of the bending tube. And the optical cable penetrates through the combining ring. By arranging the independent bending tube between the spring holding base and the combining ring and arranging the combining ring on the end of the bending tube perpendicular to a body part of the optical fiber connector, the optical fiber connector provided by the utility model is enable to apply suitably to application occasions having limited installation space.
Description
Technical field
The utility model relates to a kind of joints of optical fibre that are used for data communication and telecommunication applications, particularly relates to limited short for example MPO/MTP (multicore hyperchannel umbilical connector (multi-fiber push on and pull out the connector)) joints of optical fibre of a kind of installing space.
Background technology
In optical fiber communication, the continuation between the needs use joints of optical fibre realization different fiber, distribution, switching etc.Researched and developed the MPO/MTP joints of optical fibre, it is a kind of multicore hyperchannel umbilical connector.Usually will and be locked at adapter with the public joints of optical fibre butt joint of female joints of optical fibre of guide pinhole and band guide pin, and utilize the thrust of compression spring to keep the physics contact of the multicore lock pin of pairing, thereby realize the interconnection of many optical fiber of two optical cables.
Fig. 1-2 shows the schematic perspective view and the decomposing schematic representation of the public joints of optical fibre 200 of a kind of existing MPO/MTP.These public affairs joints of optical fibre 200 comprise: shell 201; The ferrule assembly 202 that comprises a plurality of heart yearns, a plurality of optical fiber of optical cable 400 are connected to ferrule assembly 202; Be used for ferrule assembly 202 is remained on the maintenance seat 208 of shell 201; Be installed in and keep in the seat 208 with the spring 207 of bias voltage ferrule assembly 202 flexibly; Be connected to the coupling collar 211 on the joint portion 209 that keeps seat 208; And the protection tail that is coated on coupling collar 211 and the part optical cable 400 overlaps 210.Further, ferrule assembly 202 comprises the mount pad 206 that is used for the lock pin 203 that combines with the corresponding lock pin (referring to Fig. 4) of female joints of optical fibre, the protective sleeve 204 that is used to protect a plurality of optical fiber, passes the guide needle 205 of lock pin 203 and be used to install guide needle 205.
Fig. 3-5 shows schematic perspective view, decomposing schematic representation and the longitudinal sectional view of the MPO/MTP mother joints of optical fibre 300 that the public joints of optical fibre 200 of a kind of existing and above-mentioned MPO/MTP cooperate.Female joints of optical fibre 300 are basic identical with the structure of the public joints of optical fibre 200, and difference is that in female joints of optical fibre 300, the guide needle 305 that is installed on the mount pad 306 is shorter.Promptly; Referring to Fig. 5; Guide needle 305 is not passed lock pin 303, and in the female joints of optical fibre 300 that assemble, in lock pin 303, has mating holes 3031; With when the public joints of optical fibre 200 are combined with female joints of optical fibre 300, the guide needle of exposing housing 201 205 of the public joints of optical fibre 200 is inserted in the mating holes 3031 of female joints of optical fibre 300.
In the assembling process of the above-mentioned public joints of optical fibre 200, need on the maintenance seat of on the length direction of the public joints of optical fibre 200, arranging 208, connect optical cable 400 through coupling collar 211, independent protection tail cover 210 is installed then.Therefore, after the assembling, the whole public joints of optical fibre 200 length in the horizontal direction depends on the size of shell 201, maintenance seat 208, coupling collar 211 and protection tail cover 210.According to the needs in actual installation space, the surrender that optical cable 400 can only be through pre-bending tail cover or flexible pipe is crooked in itself admissible bending radius scope, but because joints of optical fibre restriction in the horizontal direction needs bigger installing space.Be appreciated that also there is such technical matters in female joints of optical fibre 300.
The utility model content
The technical matters that the utility model solved is to provide a kind of joints of optical fibre that are fit to the short type of less installing space; Through keeping between seat and the coupling collar independent bend pipe being set at spring; Be arranged in the bend pipe end vertical to coupling collar, make the joints of optical fibre of the utility model be applicable to the restricted application scenario of installing space with the main part of the joints of optical fibre.
According to the embodiment of an aspect of the utility model, a kind of joints of optical fibre are provided, comprising: shell; Ferrule assembly is installed in the said shell, and at least one optical fiber of the optical cable that is configured to peg graft; Keep seat, be configured to ferrule assembly is remained in the shell, said maintenance seat comprises the joint portion; Bend pipe, first end of said bend pipe is attached on the said joint portion separably; And coupling collar, second end and the said optical cable that are connected to said bend pipe pass from said coupling collar.
In the above-mentioned joints of optical fibre, said bend pipe is the bend pipe of about 90 degree.
In the above-mentioned joints of optical fibre, said bend pipe and said joint portion adopt the buckle connected mode to combine.
In the above-mentioned joints of optical fibre, on the excircle of said joint portion, be provided with a plurality of juts with equidistant layout, be provided with and the corresponding a plurality of recesses of said jut at first end of said bend pipe.
In the above-mentioned joints of optical fibre, said joint portion is provided with at least one slit.
In the above-mentioned joints of optical fibre, on the excircle of said joint portion, be provided with a plurality of recesses with equidistant layout, be provided with and the corresponding a plurality of juts of said recess at first end of said bend pipe.
In the above-mentioned joints of optical fibre, second end of said bend pipe is provided with the extension with a plurality of circular protrusions.
In the above-mentioned joints of optical fibre, the said joints of optical fibre are the public joints of optical fibre or female joints of optical fibre.
In the above-mentioned joints of optical fibre, the said joints of optical fibre are multi-fiber connector.
In the above-mentioned joints of optical fibre, the said joints of optical fibre are joints of optical fibre list core.
The joints of optical fibre according to the above-mentioned various embodiment of the utility model; Through keeping between seat and the coupling collar independent bend pipe being set at spring; And be arranged in coupling collar the end of the bend pipe vertical with the main part of the joints of optical fibre; Coupling collar no longer occupies the main part space in the horizontal direction of the joints of optical fibre like this, simultaneously, is used in combination with the optical fiber/optical cable of bend-insensitive; Can further shorten joints of optical fibre effective length in the horizontal direction, thereby make the joints of optical fibre of the utility model be applicable to the restricted application scenario of installing space.
Description of drawings
The utility model will come further explain with reference to accompanying drawing, wherein:
Fig. 1 is the schematic perspective view of a kind of public joints of optical fibre of the prior art;
Fig. 2 is the decomposing schematic representation of the public joints of optical fibre shown in Figure 1;
Fig. 3 is the schematic perspective view of a kind of female joints of optical fibre of the prior art;
Fig. 4 is the decomposing schematic representation of female joints of optical fibre shown in Figure 3;
Fig. 5 is the longitudinal sectional view of female joints of optical fibre shown in Figure 3;
Fig. 6 is the decomposing schematic representation according to the joints of optical fibre of a kind of embodiment of the utility model;
Fig. 7-the 9th, the synoptic diagram of the different cooperation fit systems of maintenance seat in the joints of optical fibre shown in Figure 6 with bend pipe; And
Figure 10 is the decomposing schematic representation of the another kind of embodiment of the joints of optical fibre shown in Figure 6, and wherein bend pipe directly is pressed into the inside of joint portion.
Embodiment
Though will fully describe the utility model with reference to the accompanying drawing of the preferred embodiment that contains the utility model; But, this should be appreciated that those of ordinary skill in the art can revise utility model described herein, obtains the technique effect of the utility model simultaneously before describing.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in the described exemplary embodiment of restriction the utility model.
Fig. 6 is the decomposing schematic representation according to the joints of optical fibre 100 of a kind of embodiment of the utility model.The joints of optical fibre 100 for example can be the female joints of optical fibre of a kind of MPO/MTP (multicore hyperchannel umbilical connector (multi-fiber push on and pull out connector)); Be used for cooperating with the public joints of optical fibre, connect respectively with the multifiber of realizing two optical cables through adapter.The joints of optical fibre 100 comprise: the shell 1 of cuboid roughly; Ferrule assembly 2 is installed in the enclosure, and is configured to connect the multifiber of optical cable 400, to cooperate with the ferrule assembly of another public joints of optical fibre; Keep seat 3, be configured to ferrule assembly 2 is remained in the shell 1, the said seat 3 that keeps comprises the joint portion 31 with the integrally formed general cylindrical shape of the main part that keeps seat; Bend pipe 4, first end of said bend pipe is attached on the joint portion separably; And coupling collar 5, second end and the optical cable 400 that are connected to bend pipe 4 pass from coupling collar 5.In addition, on coupling collar 5, coat protection tail cover 6.The joints of optical fibre 100 according to the utility model; Through keeping between seat 3 and the coupling collar 5 independent bend pipe being set; And be arranged in coupling collar 5 end of the bend pipe vertical 4 with the main part of the joints of optical fibre; Coupling collar 5 no longer occupies the main part space in the horizontal direction of the joints of optical fibre 100 like this, makes the joints of optical fibre 100 be applicable to the restricted application scenario of installing space.
In the further embodiment of the utility model, bend pipe 4 be roughly 90 the degree bend pipe.Bend pipe 4 adopts the buckle connected mode to combine with joint portion 31.Particularly, on the excircle of joint portion 31, be provided with a plurality of juts 32, be provided with and jut 32 corresponding a plurality of recesses 41 at first end of bend pipe 4 with equidistant layout.Like this, when first end with bend pipe 4 is plugged into 31 last times of joint portion, each jut 32 is coupled in the corresponding recess 41 with the buckle mode.
In the joints of optical fibre of the utility model; Through selecting jut 32 and the quantity of recess 41 and the different corresponded manners between jut 32 and the recess 41, can confirm the angle between the plane that the axis of mounting plane and the bend pipe 4 of housing 1 belongs to as required.The quantity of recess 41 is the integral multiple of the quantity of jut 32.For example, be provided with a jut and a recess, bend pipe 4 has only a kind of setting angle with respect to shell 1 like this; Be provided with one or two juts and two recesses, bend pipe 4 has two kinds of setting angles with respect to shell 1 like this; Be provided with one or two juts and four recesses, bend pipe 4 has four kinds of setting angles with respect to shell 1 like this; Be provided with one or two juts and eight recesses; Bend pipe 4 has eight kinds of setting angles with respect to shell 1 like this, and promptly the angle between the plane at the axis of the mounting plane of housing 1 and bend pipe 4 place can be set at 0 degree (referring to Fig. 9), 45 degree (referring to Fig. 8), 90 degree (referring to Fig. 7), 135 degree, 180 degree, 225 degree, 270 degree, or 315 degree.
In the interchangeable embodiment of another kind, on the excircle of joint portion, be provided with a plurality of recesses with equidistant layout, be provided with and the corresponding a plurality of juts of said recess at first end of bend pipe, and the quantity of recess is the integral multiple of the quantity of jut.
Referring to Fig. 7-9, in a further embodiment, joint portion 31 is provided with two slits 33, is enclosed within the process on the joint portion 31 at first end with bend pipe 4 like this, can allow joint portion 31 that certain elastic deformation takes place.Second end of bend pipe 4 is provided with the extension 42 with a plurality of circular protrusions, when coupling collar 5 being enclosed within 42 last times of extension, coupling collar 5 is firmly held on the extension 42 like this.First end of bend pipe 4 can be socketed in the outside of the joint portion 31 that keeps seat 3, also can directly be pressed into the inside of joint portion 31.
Similar with traditional joints of optical fibre, the ferrule assembly 2 of the joints of optical fibre 100 of the utility model comprises: the lock pin 21 that is used for combining with the corresponding lock pin of the public joints of optical fibre, be used to protect the multifiber of optical cable protective sleeve 22, be inserted into guide needle 24 and the mount pad 23 that is used to install guide needle 24 of a part of the bullport of lock pin 21.In the joints of optical fibre 100, keep accommodating spring 7 in the seat 3, an end of spring 7 is resisted against on the ferrule assembly 2, thereby ferrule assembly 2 is remained in the shell 1 reliably.
When this female joints of optical fibre 100 are connected to optical cable 400, at first, an end of optical cable 400 are passed protection tail cover 6, coupling collar 5, bend pipe 4 successively, keeps seat 3 and spring 7; Remove the protective seam of optical cable 400, expose multifiber and optical fiber is passed protective sleeve 22, in order optical fiber is inserted respectively in the fine hole on the lock pin 21, use the fluid sealant fixed fiber; Afterwards, the guide needle 24 that is fixed on the mount pad 23 is installed in the lock pin 21, forms ferrule assembly 2; Ferrule assembly 2 is inserted shells 1, and the maintenance seat 3 that will accommodate spring 7 is installed to shell 1, utilizes the elastic force of spring 7 that ferrule assembly 2 flexibly is installed in the shell 1 thus; Afterwards, first end of bend pipe 4 is attached to the joint portion 31 that keeps seat 3, the mode that coupling collar 5 is for example adopted crimping is fixed to the reinforcement of optical cable 400 on the extension 42 of second end of bend pipe 4; At last, will protect tail cover 6 to be socketed on the coupling collar 5, and female optical fiber of assembly cost utility model connect 100.
Be plugged on the outside embodiment in joint portion 31 though described bend pipe 4 in the above embodiments, the utility model is not limited thereto.In another kind of embodiment shown in Figure 10, bend pipe 4 is pressed into the inside of joint portion 31 with the buckle ways of connecting.
Though be the joints of optical fibre 100 that example has been described the utility model with female joints of optical fibre above, those skilled in the art will appreciate that these joints of optical fibre also can be a kind of public joints of optical fibre.Need to prove that in the public joints of optical fibre, the length of guide needle is longer than the guide needle of female joints of optical fibre, and the guide needle of the public joints of optical fibre is passed lock pin and is exposed to the outside (referring to Fig. 1) of shell.
The MPO/MTP joints of optical fibre according to the above-mentioned various embodiment of the utility model; Keeping having increased an independent bend pipe between seat 3 and the coupling collar 5; It is terminal partly to transfer to the bend pipe vertical with the installation surface of the joints of optical fibre to the crimping that is used for johning knot cyclization 5; Bend pipe 4 can be processed by metal or plastic material, thereby can effectively satisfy the requirement to less installing space.Further, bend pipe 4 with keep the connection between the seat 3 can be according to the roughly bending of 90 degree in a plurality of orientation of different realizations of application scenario, convenient, flexible, and reliable and stable optical property is provided.In addition, be different from the surrender of soft sleeve, the joints of optical fibre of the utility model guarantee that optical fiber does not receive the effect of other unknown external force in limited installing space, effectively protect the normal operating conditions of optical cable, and optical property steady in a long-term further is provided.
Further, the joints of optical fibre of the utility model also can be for example MPO/MTP or MTRJ and so on single fiber-optic connector, also can be the multi-fiber connectors of LC, SC, FC or ST and so on for example.
It will be appreciated by those skilled in the art that; Above described embodiment all be exemplary; And those skilled in the art can make improvements; Independent assortment be can carry out under the situation of the conflict of the structure described in the various embodiment aspect not recurring structure or principle, thereby on the basis of the technical matters that solves the utility model, more kinds of joints of optical fibre and fiber optic connector assembly realized.
After the preferred embodiment that specifies the utility model; Those of ordinary skill in the art can clearly understand; Under protection domain that does not break away from the claim of enclosing and spirit, can carry out various variations and change, and the utility model also is not subject to the embodiment of the exemplary embodiment of lifting in the instructions.
Claims (10)
1. the joints of optical fibre (100) comprising:
Shell (1);
Ferrule assembly (2) is installed in the said shell, and is configured to connect at least one optical fiber of optical cable (400);
Keep seat (3), be configured to ferrule assembly (2) is remained in the shell (1), said maintenance seat comprises joint portion (31);
It is characterized in that the said joints of optical fibre also comprise:
Bend pipe (4), first end of said bend pipe is attached on the said joint portion separably; And
Coupling collar (5), second end and the said optical cable that are connected to said bend pipe pass from said coupling collar.
2. the joints of optical fibre as claimed in claim 1 is characterized in that, said bend pipe is the bend pipe of about 90 degree.
3. according to claim 1 or claim 2 the joints of optical fibre is characterized in that, said bend pipe and said joint portion adopt the buckle connected mode to combine.
4. the joints of optical fibre as claimed in claim 3 is characterized in that, on the excircle of said joint portion, are provided with a plurality of juts (32) with equidistant layout, are provided with and the corresponding a plurality of recesses of said jut (41) at first end of said bend pipe.
5. the joints of optical fibre as claimed in claim 3 is characterized in that, said joint portion is provided with at least one slit (33).
6. the joints of optical fibre as claimed in claim 3 is characterized in that, on the excircle of said joint portion, are provided with a plurality of recesses with equidistant layout, are provided with and the corresponding a plurality of juts of said recess at first end of said bend pipe.
7. according to claim 1 or claim 2 the joints of optical fibre is characterized in that second end of said bend pipe is provided with the extension (42) with a plurality of circular protrusions.
8. according to claim 1 or claim 2 the joints of optical fibre is characterized in that, the said joints of optical fibre are the public joints of optical fibre or female joints of optical fibre.
9. the joints of optical fibre as claimed in claim 8 is characterized in that, the said joints of optical fibre are multi-fiber connector.
10. the joints of optical fibre as claimed in claim 8 is characterized in that, the said joints of optical fibre are single fiber-optic connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205464019U CN202472042U (en) | 2011-12-23 | 2011-12-23 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205464019U CN202472042U (en) | 2011-12-23 | 2011-12-23 | Optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202472042U true CN202472042U (en) | 2012-10-03 |
Family
ID=46920191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205464019U Expired - Fee Related CN202472042U (en) | 2011-12-23 | 2011-12-23 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202472042U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033890A (en) * | 2012-12-18 | 2013-04-10 | 中航光电科技股份有限公司 | Bending type movable optical fiber connector |
| CN104991316A (en) * | 2015-06-28 | 2015-10-21 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN105005117A (en) * | 2015-06-28 | 2015-10-28 | 中航光电科技股份有限公司 | Optical cable member |
| CN106556896A (en) * | 2016-12-11 | 2017-04-05 | 天津君邦科技有限公司 | Multifunctional optical fiber connector |
| CN116125602A (en) * | 2022-12-27 | 2023-05-16 | 镭神技术（深圳）有限公司 | Optical fiber connector and optical signal transmission device |
-
2011
- 2011-12-23 CN CN2011205464019U patent/CN202472042U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033890A (en) * | 2012-12-18 | 2013-04-10 | 中航光电科技股份有限公司 | Bending type movable optical fiber connector |
| CN103033890B (en) * | 2012-12-18 | 2016-01-20 | 中航光电科技股份有限公司 | A kind of curved formula free fiber-optics connector |
| CN104991316A (en) * | 2015-06-28 | 2015-10-21 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN105005117A (en) * | 2015-06-28 | 2015-10-28 | 中航光电科技股份有限公司 | Optical cable member |
| CN104991316B (en) * | 2015-06-28 | 2017-01-25 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN106556896A (en) * | 2016-12-11 | 2017-04-05 | 天津君邦科技有限公司 | Multifunctional optical fiber connector |
| CN116125602A (en) * | 2022-12-27 | 2023-05-16 | 镭神技术（深圳）有限公司 | Optical fiber connector and optical signal transmission device |
| CN116125602B (en) * | 2022-12-27 | 2024-04-05 | 镭神技术（深圳）有限公司 | Optical fiber connector and optical signal transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |