CN216052283U - Low-interference polarization independent optical fiber isolator coupling device - Google Patents
Low-interference polarization independent optical fiber isolator coupling device Download PDFInfo
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- CN216052283U CN216052283U CN202122812329.6U CN202122812329U CN216052283U CN 216052283 U CN216052283 U CN 216052283U CN 202122812329 U CN202122812329 U CN 202122812329U CN 216052283 U CN216052283 U CN 216052283U
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- coupler
- coupling device
- limiting
- extrusion plate
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- 230000008878 coupling Effects 0.000 title claims abstract description 19
- 238000010168 coupling process Methods 0.000 title claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 19
- 230000010287 polarization Effects 0.000 title claims abstract description 17
- 239000013307 optical fiber Substances 0.000 title claims description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of polarization-independent fiber isolators, in particular to a coupling device of a low-interference polarization-independent fiber isolator, which comprises: the end part of the coupler is provided with a connector; a coupling including a lift member, a hold down member, a support member, and a slide member; the limiting piece is arranged inside the coupler; the beneficial effects are that: the extrusion plate is positioned at the top of the threaded hole, when the screw penetrates through the through hole and the threaded hole to fix the coupler, the extrusion plate can be pressed down together, and the extrusion plate can extrude the connector to prevent the connector from falling off; the elastic sheet provided by the utility model can prop the limiting rod at the highest position of the limiting groove, so that the extrusion plate can not block the connector from being inserted into the coupler when the coupler is not fixed.
Description
Technical Field
The utility model relates to the technical field of polarization-independent fiber isolators, in particular to a coupling device of a low-interference polarization-independent fiber isolator.
Background
The polarization-independent optical isolator means that the polarization state of light waves in optical fiber communication is randomly changed, so that the polarization-independent optical isolator is required to be adopted. The light reflected by the optical fiber echo can be well isolated by the optical isolator;
in the prior art, when the low-interference polarization-independent optical fiber isolating device is connected, the wire body is only screwed in, a fixing device is lacked, and the wire body is easy to drop.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a coupling device for a low-interference polarization-independent fiber isolator, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a low-interference polarization independent fiber isolator coupling device, comprising:
the end part of the coupler is provided with a connector;
a coupling including a lift member, a hold down member, a support member, and a slide member; and
the limiting piece is arranged inside the coupler.
Preferably, the lifting piece comprises a lifting block, through holes and threaded holes, the threaded holes are formed in the bottom of the coupler, the lifting block is located at the end portion of the coupler, the lifting block is provided with two groups, and the through holes are formed in the middle of the lifting block.
Preferably, the lower pressing piece comprises an extrusion plate, the extrusion plate is arranged between the two groups of lifting blocks, and the extrusion plate is in a semicircular shape.
Preferably, the supporting member comprises supporting rods, the supporting rods are arranged at the bottom of the lifting block, and the supporting rods are provided with two groups.
Preferably, the sliding part comprises a moving rod and a sliding groove, the sliding groove is formed in the outer wall of the coupler, one end of the moving rod is installed on the outer wall of the lifting block, and the other end of the moving rod is located in the sliding groove.
Preferably, the limiting part comprises a limiting rod, an elastic sheet and a limiting groove, the limiting groove is formed in the coupler, the limiting rod is installed at the end of the moving rod, one end of the limiting groove is located at the bottom of the limiting rod, and the other end of the limiting groove is connected with the bottom of the limiting groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the extrusion plate is positioned at the top of the threaded hole, when the screw penetrates through the through hole and the threaded hole to fix the coupler, the extrusion plate can be pressed down together, and the extrusion plate can extrude the connector to prevent the connector from falling off;
2. the elastic sheet provided by the utility model can prop the limiting rod at the highest position of the limiting groove, so that the extrusion plate can not block the connector from being inserted into the coupler when the coupler is not fixed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the construction of the extrusion plate of the present invention;
fig. 4 is an enlarged schematic view of a structure in fig. 2.
In the figure: coupler 1, connector 2, elevator 3, screw hole 4, bracing piece 5, spout 6, through-hole 7, stripper plate 8, carriage release lever 9, gag lever post 10, spacing groove 11, shell fragment 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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, the present invention provides a technical solution: a low-interference polarization independent fiber isolator coupling device, comprising: the coupler comprises a coupler 1, wherein a connector 2 is arranged at the end part of the coupler 1;
the coupler comprises a coupling piece, wherein the coupling piece comprises a lifting piece, a lower piece, a supporting piece and a sliding piece, the lifting piece comprises a lifting block 3, through holes 7 and threaded holes 4, the threaded holes 4 are formed in the bottom of the coupler 1, the lifting block 3 is positioned at the end part of the coupler 1, the lifting block 3 is provided with two groups, the through holes 7 are formed in the middle of the lifting block 3, a screw penetrates through the through holes 7 and the threaded holes 4 to fix the coupler 1, and the lifting block 3 begins to descend along with the screwing of the screw;
the lower pressing piece comprises an extrusion plate 8, the extrusion plate 8 is arranged between the two groups of lifting blocks 3, the extrusion plate 8 is in a semicircular shape, the lifting blocks 3 start to descend, the extrusion plate 8 descends along with the descending blocks, and the movable rod 9 descends in the sliding groove 6;
the supporting piece comprises two groups of supporting rods 5, the supporting rods 5 are arranged at the bottom of the lifting block 3, so that the connector 2 is fixed, and the supporting rods 5 are pressed against the bottom of the coupler 1 to prevent the extrusion plate 8 from damaging the connector 2;
the sliding part comprises a moving rod 9 and a sliding groove 6, the sliding groove 6 is formed in the outer wall of the coupler 1, one end of the moving rod 9 is installed on the outer wall of the lifting block 3, the other end of the moving rod 9 is located in the sliding groove 6, the lifting block 3 begins to descend, the extrusion plate 8 descends along with the moving rod, the moving rod 9 descends in the sliding groove 6, and the limiting rod 10 descends in the limiting groove 11;
the locating part is located the inside of coupler 1, and the locating part includes gag lever post 10, shell fragment 12 and spacing groove 11, and spacing groove 11 is seted up in the inside of coupler 1, and gag lever post 10 is installed at the tip of carriage release lever 9, and 11 one ends in the spacing groove are located the bottom of gag lever post 10, and the bottom of spacing groove 11 is being connected to the other end, and gag lever post 10 descends in spacing groove 11, and shell fragment 12 is compressed.
The working principle is as follows: during the actual use, insert connector 2 into the tip of coupler 1, pass through-hole 7 and screw hole 4 with the screw rod and fix coupler 1, along with revolving soon of screw rod, elevator 3 begins to descend, stripper plate 8 descends thereupon, carriage release lever 9 descends in spout 6, gag lever post 10 descends in spacing groove 11, shell fragment 12 is compressed, finally, stripper plate 8 is located the bottom of connector 2, there is the power of pushing down to connector 2, make connector 2 fixed, bracing piece 5 pushes up in the bottom of coupler 1, prevent that stripper plate 8 from producing the damage to connector 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A coupling device of a low-interference polarization independent optical fiber isolator is characterized in that: the coupling device of the low-interference polarization independent optical fiber isolator comprises:
the coupler comprises a coupler (1), wherein a connector (2) is installed at the end part of the coupler (1);
a coupling including a lift member, a hold down member, a support member, and a slide member; and
and a limiting member arranged inside the coupler (1).
2. The coupling device of claim 1, wherein: the lifting piece comprises a lifting block (3), a through hole (7) and a threaded hole (4), the threaded hole (4) is formed in the bottom of the coupler (1), the lifting block (3) is located at the end portion of the coupler (1), the lifting block (3) is provided with two groups, and the through hole (7) is formed in the middle of the lifting block (3).
3. A low-interference polarization-independent fiber isolator coupling device according to claim 2, wherein: the lower pressing piece comprises an extrusion plate (8), the extrusion plate (8) is installed between the two groups of lifting blocks (3), and the extrusion plate (8) is in a semicircular shape.
4. A low-interference polarization-independent fiber isolator coupling device according to claim 3, wherein: the support piece comprises support rods (5), the support rods (5) are installed at the bottom of the lifting block (3), and the support rods (5) are provided with two groups.
5. The coupling device of claim 4, wherein: the sliding part comprises a moving rod (9) and a sliding groove (6), the sliding groove (6) is formed in the outer wall of the coupler (1), one end of the moving rod (9) is installed on the outer wall of the lifting block (3), and the other end of the moving rod (9) is located in the sliding groove (6).
6. The coupling device of claim 5, wherein: the limiting part comprises a limiting rod (10), an elastic sheet (12) and a limiting groove (11), the limiting groove (11) is formed in the coupler (1), the limiting rod (10) is installed at the end of the moving rod (9), one end of the limiting groove (11) is located at the bottom of the limiting rod (10), and the other end of the limiting groove (11) is connected with the bottom of the limiting groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812329.6U CN216052283U (en) | 2021-11-15 | 2021-11-15 | Low-interference polarization independent optical fiber isolator coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812329.6U CN216052283U (en) | 2021-11-15 | 2021-11-15 | Low-interference polarization independent optical fiber isolator coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216052283U true CN216052283U (en) | 2022-03-15 |
Family
ID=80615575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122812329.6U Expired - Fee Related CN216052283U (en) | 2021-11-15 | 2021-11-15 | Low-interference polarization independent optical fiber isolator coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216052283U (en) |
-
2021
- 2021-11-15 CN CN202122812329.6U patent/CN216052283U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |