CN220626716U - Optical fiber quick connector - Google Patents
Optical fiber quick connector Download PDFInfo
- Publication number
- CN220626716U CN220626716U CN202321848049.3U CN202321848049U CN220626716U CN 220626716 U CN220626716 U CN 220626716U CN 202321848049 U CN202321848049 U CN 202321848049U CN 220626716 U CN220626716 U CN 220626716U
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- CN
- China
- Prior art keywords
- optical fiber
- coupling body
- quick connector
- circumferential surface
- sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 71
- 230000008878 coupling Effects 0.000 claims abstract description 59
- 238000010168 coupling process Methods 0.000 claims abstract description 59
- 238000005859 coupling reaction Methods 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000009987 spinning Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of optical fiber mechanical connecting devices, in particular to an optical fiber quick connector, which aims at solving the problems that matching paste for the existing optical fiber quick connector is in a non-sealing state and is easy to volatilize, so that the matching paste is invalid after the time is long; the coupling body is arranged in the stopper, a spring is arranged between the inner frame sleeve and the stopper, the spring is sleeved on the circumferential surface of the coupling body, a V-shaped groove is formed in the coupling body, and a V-shaped groove cover plate is clamped in the V-shaped groove; the sealing part provides a sealed space for the connection part of the embedded optical fiber and the field optical fiber, and matching paste is injected into the sealed space, so that the volatilization or reaction of the matching paste caused by the open space can be prevented.
Description
Technical Field
The utility model relates to the technical field of optical fiber mechanical connecting devices, in particular to an optical fiber quick connector.
Background
The optical fiber connector is a device for detachably (movably) connecting optical fibers, and precisely connects two end surfaces of the optical fibers, so that the light energy output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent, and the influence on a system caused by the intervention of the light energy into an optical link is minimized, which is the basic requirement of the optical fiber connector. To some extent, fiber optic connectors affect the reliability and various properties of the optical transmission system.
The existing optical fiber quick connector is developed aiming at the household rubber-insulated wire cable, and the optical fiber quick connector has the following defects when in use:
1. the total length of the connector is longer, generally larger than 55mm, and is not suitable for occasions with high-density installation;
2. the matching paste for the optical fiber quick connector is in a non-sealing state, and is easy to volatilize, so that the matching paste is invalid after the time is long;
3. the use of 0.9mm diameter optical fibers is inconvenient.
In view of the above problems, the present disclosure provides an optical fiber quick connector.
Disclosure of Invention
The utility model provides an optical fiber quick connector, which solves the defects that the matching paste for the optical fiber quick connector is in a non-sealing state, is easy to volatilize and causes the failure of the matching paste after a long time in the prior art.
The utility model provides the following technical scheme:
the optical fiber quick connector comprises a field optical fiber, and further comprises an inner frame sleeve, wherein a stopper is arranged in the inner frame sleeve, a core inserting assembly is fixed in the inner frame sleeve, and embedded optical fibers are arranged in the core inserting assembly; the coupling body is arranged in the stopper, a spring is arranged between the inner frame sleeve and the stopper, the spring is sleeved on the circumferential surface of the coupling body, a V-shaped groove is formed in the coupling body, and a V-shaped groove cover plate is clamped in the V-shaped groove; the tail sleeve is sleeved on the circumferential surface of the coupling body and used for spinning and clamping the field optical fiber in the coupling body; the sealing part is arranged between the small ferrule and the coupling body and is used for filling matching paste at the joint of the embedded optical fiber and the field optical fiber; the connecting assembly is arranged between the coupling body and the tail sleeve and used for rapidly connecting the coupling body and the tail sleeve.
In one possible design, the sealing portion includes a receiving gap formed in the coupling body, a small ferrule is disposed in the receiving gap, a notch groove is formed in the circumferential surface of the small ferrule, and a sealing gap for placing the matching paste is formed between the notch groove and the receiving gap.
In one possible design, the connection assembly includes an internal thread formed in the tail sleeve, an external thread formed on the circumferential surface of the coupling body, the tail sleeve is connected to the circumferential surface of the coupling body through the internal thread, and two protruding extrusion sheets are formed on the circumferential surface of the coupling body.
In one possible design, the surface of the inner casing is provided with an SC outer casing.
In one possible design, the circumferential surface of the boot is provided with anti-slip patterns.
In one possible design, the SC outer frame sleeve, inner frame sleeve, embedded optical fibers, ferrule assembly, small ferrules, coupling body, V-groove cover plate, spring, stopper and tail sleeve have a total length of 34.3mm after assembly.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
According to the technical scheme, the sealing part provides a sealed space for the joint of the embedded optical fiber and the field optical fiber, the matching paste is injected into the sealed space, volatilization or reaction with air of the matching paste caused by the open space can be prevented, and the service life of the matching paste is prolonged.
Drawings
FIG. 1 is an exploded view of an optical fiber quick connector according to an embodiment of the present utility model;
FIG. 2 is a front perspective view of an optical fiber quick connector according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the overall length of an optical fiber quick connector according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of an optical fiber quick connector according to an embodiment of the present utility model;
FIG. 5 is a partial exploded view of an optical fiber fixing structure of an optical fiber quick connector according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a sealing paste for an optical fiber quick connector according to an embodiment of the present utility model.
Reference numerals:
1. an SC outer frame sleeve; 2. an inner frame sleeve; 3. embedding an optical fiber; 4. a ferrule assembly; 5. a small insert core; 51. a notch groove; 6. a coupling body; 601. an external thread; 602. a V-shaped groove; 603. extruding the sheet by the bulge; 604. the accommodating gap; 7. a V-groove cover plate; 8. a spring; 9. a stopper; 10. a tail sleeve; 101. an internal thread; 11. a field optical fiber; 111. a bare fiber portion; 112. an optical cable section; 12. sealing the gap.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
Example 1
Referring to fig. 1-6, an optical fiber quick connector comprises a field optical fiber 11, an inner frame sleeve 2, a stopper 9 arranged in the inner frame sleeve 2, a core inserting assembly 4 fixed in the inner frame sleeve 2, and an embedded optical fiber 3 arranged in the core inserting assembly 4; the coupling body 6 is arranged in the retainer 9, a spring 8 is arranged between the inner frame sleeve 2 and the retainer 9, the spring 8 is sleeved on the circumferential surface of the coupling body 6, a V-shaped groove 602 is formed in the coupling body 6, and a V-shaped groove cover plate 7 is clamped in the V-shaped groove 602; the tail sleeve 10 is sleeved on the circumferential surface of the coupling body 6 and used for spinning and clamping the field optical fiber 11 in the coupling body 6; the sealing part is arranged between the small ferrule 5 and the coupling body 6 and is used for filling matching paste at the joint of the embedded optical fiber 3 and the field optical fiber 11; the connecting component is arranged between the coupling body 6 and the tail sleeve 10 and is used for quickly connecting the coupling body 6 and the tail sleeve 10; the sealing part provides a sealed space for the connection part of the embedded optical fiber 3 and the field optical fiber 11, matching paste is injected into the sealed space, the volatilization or the reaction with air of the matching paste caused by the open space can be prevented, and the service life of the matching paste is prolonged.
Referring to fig. 4 and 6, the sealing portion includes a receiving gap 604 formed in the coupling body 6, a small ferrule 5 is disposed in the receiving gap 604, a notch groove 51 is formed in a circumferential surface of the small ferrule 5, and a sealing gap 12 for placing a matching paste is formed between the notch groove 51 and the receiving gap 604.
Referring to fig. 5, the connection assembly includes an internal thread 101 formed in a tail housing 10, an external thread 601 formed on a circumferential surface of a coupling body 6, the tail housing 10 being screwed to the circumferential surface of the coupling body 6 through the internal thread 101, and two protruding squeeze pieces 603 formed on the circumferential surface of the coupling body 6.
Example 2
Referring to fig. 1-6, an optical fiber quick connector comprises a field optical fiber 11, an inner frame sleeve 2, a stopper 9 arranged in the inner frame sleeve 2, a core inserting assembly 4 fixed in the inner frame sleeve 2, and an embedded optical fiber 3 arranged in the core inserting assembly 4; the coupling body 6 is arranged in the retainer 9, a spring 8 is arranged between the inner frame sleeve 2 and the retainer 9, the spring 8 is sleeved on the circumferential surface of the coupling body 6, a V-shaped groove 602 is formed in the coupling body 6, and a V-shaped groove cover plate 7 is clamped in the V-shaped groove 602; the tail sleeve 10 is sleeved on the circumferential surface of the coupling body 6 and used for spinning and clamping the field optical fiber 11 in the coupling body 6; the sealing part is arranged between the small ferrule 5 and the coupling body 6 and is used for filling matching paste at the joint of the embedded optical fiber 3 and the field optical fiber 11; the connecting component is arranged between the coupling body 6 and the tail sleeve 10 and is used for quickly connecting the coupling body 6 and the tail sleeve 10.
Referring to fig. 2, the SC outer frame cover 1 is provided on the surface of the inner frame cover 2.
Referring to fig. 3, the circumferential surface of the tail sleeve 10 is provided with anti-slip patterns, so that the tail sleeve 10 can be conveniently screwed to rotate.
Referring to fig. 3, the total length of the sc outer frame sleeve 1, the sc inner frame sleeve 2, the embedded optical fiber 3, the ferrule assembly 4, the small ferrule 5, the coupling body 6, the V-groove cover 7, the spring 8, the stopper 9 and the tail sleeve 10 after assembly is 34.3mm, the length of the device after assembly is 34.3mm, and the installation place with high density is convenient.
The working principle and the using flow of the technical scheme are as follows: when the optical fiber coupler is used, the field optical fiber 11 needs to be processed into the bare fiber part 111 and the optical cable part 112, the tail sleeve 10 is screwed off from the surface of the coupling body 6, the coupling body 6 is sleeved on the surface of the optical cable part 112, the bare fiber part 111 is inserted into the small ferrule 5 along the coupling body 6 and is contacted with the embedded optical fiber 3 originally arranged in the ferrule assembly 4 and extruded mutually, the matching paste is injected into the sealing gap 12, the tail sleeve 10 sleeved on the surface of the optical cable part 112 is screwed on the surface of the coupling body 6, and due to the arrangement of the protruding extrusion piece 603 on the surface of the coupling body 6, two halves of the coupling body 6 are extruded and close, so that the bare fiber part 111 in the coupling body 6 is clamped and fixed.
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. An optical fiber quick connector comprising a field optical fiber (11), characterized by further comprising:
the optical fiber splicing device comprises an inner frame sleeve (2), wherein a stopper (9) is arranged in the inner frame sleeve (2), a core inserting assembly (4) is fixed in the inner frame sleeve (2), and embedded optical fibers (3) are arranged in the core inserting assembly (4);
the coupling body (6), the coupling body (6) is arranged in the retainer (9), a spring (8) is arranged between the inner frame sleeve (2) and the retainer (9), the spring (8) is sleeved on the circumferential surface of the coupling body (6), a V-shaped groove (602) is formed in the coupling body (6), and a V-shaped groove cover plate (7) is clamped in the V-shaped groove (602);
the tail sleeve (10) is sleeved on the circumferential surface of the coupling body (6) and used for spinning and clamping the field optical fiber (11) in the coupling body (6);
the sealing part is arranged between the small ferrule (5) and the coupling body (6) and is used for filling matching paste at the joint of the embedded optical fiber (3) and the field optical fiber (11);
the connecting component is arranged between the coupling body (6) and the tail sleeve (10) and is used for rapidly connecting the coupling body (6) and the tail sleeve (10).
2. The optical fiber quick connector according to claim 1, wherein the sealing portion comprises a containing gap (604) formed in the coupling body (6), a small ferrule (5) is arranged in the containing gap (604), a notch groove (51) is formed in the circumferential surface of the small ferrule (5), and a sealing gap (12) for placing matching paste is formed between the notch groove (51) and the containing gap (604).
3. An optical fiber quick connector according to claim 1, wherein the connection assembly comprises an internal thread (101) formed in a boot (10), an external thread (601) is formed on the circumferential surface of the coupling body (6), the boot (10) is screwed on the circumferential surface of the coupling body (6) through the internal thread (101), and two protruding extrusion pieces (603) are formed on the circumferential surface of the coupling body (6).
4. A quick connector for optical fibers according to any one of claims 1-3, characterized in that the surface of the inner casing (2) is provided with an SC outer casing (1).
5. A quick connector for optical fibers according to claim 3, characterized in that the circumferential surface of the boot (10) is provided with anti-slip patterns.
6. The optical fiber quick connector according to claim 4, wherein the total length of the SC outer frame sleeve (1), the SC inner frame sleeve (2), the pre-buried optical fiber (3), the ferrule assembly (4), the small ferrule (5), the coupling body (6), the V-groove cover plate (7), the spring (8), the stopper (9) and the tail sleeve (10) after assembly is 34.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321848049.3U CN220626716U (en) | 2023-07-14 | 2023-07-14 | Optical fiber quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321848049.3U CN220626716U (en) | 2023-07-14 | 2023-07-14 | Optical fiber quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220626716U true CN220626716U (en) | 2024-03-19 |
Family
ID=90229438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321848049.3U Active CN220626716U (en) | 2023-07-14 | 2023-07-14 | Optical fiber quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220626716U (en) |
-
2023
- 2023-07-14 CN CN202321848049.3U patent/CN220626716U/en active Active
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