CN220019937U - Novel waterproof optical fiber cold connector - Google Patents
Novel waterproof optical fiber cold connector Download PDFInfo
- Publication number
- CN220019937U CN220019937U CN202321667615.0U CN202321667615U CN220019937U CN 220019937 U CN220019937 U CN 220019937U CN 202321667615 U CN202321667615 U CN 202321667615U CN 220019937 U CN220019937 U CN 220019937U
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- Prior art keywords
- shell
- optical fiber
- inner core
- hinge
- base
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 229920006351 engineering plastic Polymers 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model is applicable to the technical field of optical fiber cold connectors, and provides a novel waterproof optical fiber cold connector, which comprises a shell with a hinge structure; the inner core is arranged in the shell and used for butting two optical fibers; and the sealing rings are distributed at the two page closing ends of the shell and are positioned at the outer side of the inner core, and after the shell is hinged, the sealing rings distributed at the two page closing ends of the shell are arranged around the periphery of the inner core so that the joint of the shell behind the hinge is sealed. The shell of the utility model adopts high-quality engineering plastics, and a waterproof ring is arranged inside the shell. The buckle sealing mode is adopted, the non-embedded optical fiber structure is adopted on the inner structure, no embedded optical fiber is arranged in the device, two bare optical fibers are in butt joint through the inner core, the axial direction is a positioning and locking structure formed by combining a connecting piece and a tail sleeve, the optical fiber cannot axially move forward in the clamping process, and the situation that the connection loss of the optical fiber is too large can be avoided.
Description
Technical Field
The utility model belongs to the technical field of optical fiber cold connectors, and particularly relates to a novel waterproof optical fiber cold connector.
Background
The termination of the cable may be made by two techniques, fusion and cold, respectively. Cold splicing is opposite to welding, and means that optical cable mechanical splicing is performed through a cold splice, the whole splicing process can be completed within 2 minutes, and a splicing part with a protection component plays an irreplaceable role in FTTH access, and is one of very important equipment, and the quality of the optical fiber splicing part directly relates to the quality and service life of an optical cable line. The cold joint technology is adopted, the joint effect can be equivalent to welding, the insertion loss can be less than 0.1 and dB, and the return loss can be less than-60 dB by adding matching liquid to the joint port.
At present, the optical fiber cold connector on the market does not have a certain waterproof function, is mostly lower than the waterproof grade, and cannot meet the practical requirement when the waterproof requirement grade of the practical environment is higher. Secondly, most of the existing optical fiber cold connectors are not very good in tightness, and the situation of large connection loss can occur after the optical fiber is displaced.
Disclosure of Invention
The utility model provides a novel waterproof optical fiber cold connector, which aims to solve the problems mentioned in the background art.
The utility model is realized in such a way that the novel waterproof optical fiber cold connector comprises a shell with a hinge structure; the inner core is arranged in the shell and used for butting two optical fibers; and the sealing rings are distributed at the two page closing ends of the shell and are positioned at the outer side of the inner core, and after the shell is hinged, the sealing rings distributed at the two page closing ends of the shell are arranged around the periphery of the inner core so that the joint of the shell behind the hinge is sealed.
Preferably, two connecting pieces are symmetrically arranged at two ends of the shell, the connecting pieces are plastic pipe fittings with upper openings, and one ends of the connecting pieces, far away from the shell, are in a jaw-shaped structure.
Preferably, the connecting piece is in threaded sleeve connection with a tail sleeve, and an opening of the tail sleeve is in a truncated cone-shaped structure.
Preferably, a buckle is arranged at the free end of the hinge of the shell, and the buckle comprises a male head arranged at one end of the hinge of the shell; and the female head is arranged at the other end of the shell hinge.
Preferably, the inner core comprises: the base is embedded in the shell, through holes are formed in two ends of the base, and a wiring groove connected with the through holes is formed in the upper surface of the base; a pressing cover buckled and pressed at the upper end of the base, wherein a wedge block is arranged in the middle of the upper surface of the pressing cover; and a slider is slidably arranged along the length direction of the base and used for limiting the displacement of the gland so as to enable the gland to be in close contact with the base.
Preferably, the wedge block is fixedly connected to the middle part of the upper surface of the gland, and two ends of the wedge block are of slide-shaped structures which incline downwards.
Compared with the prior art, the embodiment of the utility model has the following main beneficial effects:
the shell of the utility model adopts high-quality engineering plastics, and a waterproof ring is arranged inside the shell. The buckle sealing mode is adopted, a non-embedded optical fiber structure is adopted on the inner structure, no embedded optical fiber is arranged in the device, two bare optical fibers are in butt joint through an inner core, optical fiber matching paste is used as filling liquid, and after the optical fibers are installed and clamped, the end face of each optical fiber can be inspected by using a magnifying glass. The axial is a positioning locking structure formed by combining a connecting piece and a tail sleeve, and the optical fiber cannot axially move forward in the clamping process, so that the situation of overlarge optical fiber connection loss can be avoided.
Drawings
FIG. 1 is a schematic view of the structure provided by the present utility model;
FIG. 2 is a schematic view of a tail sleeve disassembly structure provided by the utility model;
FIG. 3 is a schematic view of a partial structure provided by the present utility model;
FIG. 4 is a schematic view of another view of a partial structure provided by the present utility model;
fig. 5 is a schematic view of the core structure provided by the present utility model.
In the figure: 1. a housing; 2. an inner core; 201. a base; 202. a gland; 203. a slide fastener; 204. wedge blocks; 3. a connecting piece; 4. a tail sleeve; 5. a buckle; 6. a seal ring;
description of the embodiments
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the utility model provides a novel waterproof optical fiber cold connector, which is shown in figures 1-5 and comprises a shell 1 with a hinge structure; the two connecting pieces 3 are symmetrically arranged at two ends of the shell 1, the connecting pieces 3 are plastic pipe fittings with upper openings, and one end of each connecting piece 3 far away from the shell 1 is in a jaw-shaped structure; the jaw end face of the connecting piece 3 is a rough surface; the tail sleeve 4 is sleeved on the connecting piece 3 through threads, and an opening of the tail sleeve 4 is in a truncated cone-shaped structure; the sealing rings 6 are distributed at two page ends of the shell 1 and are positioned at the outer side of the inner core 2, and when the shell 1 is hinged, the sealing rings 6 distributed at the two page ends of the shell 1 are arranged around the outer periphery of the inner core 2 so that the joint of the shell 1 behind the hinge is sealed; the free end of the hinge of the shell 1 is provided with a buckle 5, and the buckle 5 comprises a male head arranged at one end of the hinge of the shell 1; the female head is arranged at the other end of the hinge of the shell 1.
In this embodiment, the optical fiber cold connector on the market at present does not have a certain waterproof function, is mostly lower than the waterproof level, and cannot meet the practical requirement when the waterproof requirement level of the practical environment is higher. Secondly, most of the existing optical fiber cold connectors are not very good in tightness, and the situation of large connection loss can occur after the optical fiber is displaced. Therefore, the cold joint shell is designed into a hinge structure, and a waterproof ring is arranged between the hinges, so that the optical fiber cold joint is improved to have a certain waterproof function. The buckle sealing mode is adopted, a non-embedded optical fiber structure is adopted on the inner structure, no embedded optical fiber is arranged in the device, two bare optical fibers are in butt joint through an inner core, and optical fiber matching paste is used as filling liquid. The two sides of the shell 1 are axially provided with a positioning locking structure formed by combining the connecting piece 3 and the tail sleeve 4, so that the connection stability between the optical fiber and the cold connector is improved, and the situation that the optical fiber connection loss is large is avoided.
Specifically, this novel waterproof optic fibre cold junction of scheme mainly includes casing 1, inner core 2, connecting piece 3, tail cover 4, buckle 5 and sealing washer 6, and casing 1, inner core 2, connecting piece 3, tail cover 4, buckle 5 all select current high-quality engineering plastics preparation for use, and casing 1 can be cylindric hinge also can be cuboid form hinge structure, and two connecting pieces 3 are fixed connection respectively on one of them half hinge of casing 1, have seted up on the other half hinge casing with connecting piece 3 one end assorted circular slot. When cold connector is installed, the tail sleeve 4 is in threaded sleeve connection on the connecting piece 3, as the opening at one end of the tail sleeve 4 is in a circular truncated cone-shaped structure, the connecting piece 3 is in an upper opening, the end, far away from the shell 1, of the connecting piece 3 is in a jaw-shaped structure, the jaw end face is a rough face, the tail sleeve 4 can continuously compress the jaw end of the connecting piece 3, and further the jaw end of the connecting piece 3 is forced to clamp an optical fiber, and loosening is more difficult to generate. In addition, the inner core 2 adopts a non-embedded optical fiber type structure, no embedded optical fiber exists in the device, two bare optical fibers are in butt joint through the inner core, optical fiber matching paste is used as filling liquid, and after the optical fibers are installed and clamped, the end faces of the optical fibers can be inspected by using a magnifying glass.
In a further preferred embodiment of the present utility model, as shown in fig. 5, the inner core 2 includes a base 201 embedded in the housing 1, through holes are formed at both ends of the base 201, and a wiring slot connected with the through holes is formed on the upper surface of the base 201; a gland 202 buckled on the upper end of the base 201, wherein a wedge block 204 is arranged in the middle of the upper surface of the gland 202; a slider 203 is slidably installed along the length direction of the base 201 for restricting the displacement of the pressing cover 202 so that the pressing cover 202 is in close contact with the base 201; wedge 204 is fixedly connected to the middle of the upper surface of gland 202, and the two ends of wedge 204 are of a slide-shaped structure with downward inclination.
In this embodiment, the inner core 2 mainly includes a base 201, a gland 202, a slider 203 and a wedge 204, the base 201 is in a strip structure, the bottom of the base 201 is in a T-shaped slide rail structure, the upper end of the base 201 is in a groove structure matched with the gland 202 in shape, meanwhile, a slot for accommodating a bare fiber is formed between the butt joint of the base 201 and the gland 202, and two ends of the slot are communicated with through holes at two ends of the base 201. During installation, two bare fibers are respectively inserted into through holes at two ends of the base 201 until the two fibers are butted in the slots, the fiber matching paste is used as filling liquid to fill gaps between the fibers and the slots and the through holes, then the gland 202 is buckled on the base 201, the base 201 and the gland 202 are limited and fixed together by the slide fastener 203, two ends of the wedge 204 are of slide-shaped structures which are inclined downwards, the slide fastener 203 can conveniently slide to the base 201 and the gland 202, and meanwhile the wedge 204 is also pressed between the gland 202 and the slide fastener 203, so that the stability of the installation structure of the inner core 2 is improved.
It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.
In the several embodiments provided by the present utility model, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and such partitioning of the above-described elements may be implemented in other manners, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.
Claims (7)
1. A novel waterproof optical fiber cold connector, comprising:
a housing having a hinge structure;
the inner core is arranged in the shell and used for butting two optical fibers;
and the sealing rings are distributed at the two page closing ends of the shell and are positioned at the outer side of the inner core, and after the shell is hinged, the sealing rings distributed at the two page closing ends of the shell are arranged around the periphery of the inner core so that the joint of the shell behind the hinge is sealed.
2. The novel waterproof optical fiber cold connector according to claim 1, wherein two connectors are symmetrically arranged at two ends of the shell, the connectors are upper opening plastic pipe fittings, and one end of each connector, far away from the shell, is in a jaw-shaped structure.
3. The novel waterproof optical fiber cold connector of claim 2, wherein the connecting piece is sleeved with a tail sleeve in a threaded manner, and an opening of the tail sleeve is in a truncated cone-shaped structure.
4. The novel waterproof optical fiber cold connector of claim 1, wherein the free end of the hinge of the housing is provided with a buckle, and the buckle comprises a male head arranged at one end of the hinge of the housing; and the female head is arranged at the other end of the shell hinge.
5. The novel waterproof optical fiber cold connector of claim 1, wherein said inner core comprises:
the base is embedded in the shell, through holes are formed in two ends of the base, and a wiring groove connected with the through holes is formed in the upper surface of the base;
a pressing cover buckled and pressed at the upper end of the base, wherein a wedge block is arranged in the middle of the upper surface of the pressing cover;
and a slider is slidably arranged along the length direction of the base and used for limiting the displacement of the gland so as to enable the gland to be in close contact with the base.
6. The novel waterproof optical fiber cold connector of claim 5, wherein the wedge is fixedly connected to the middle part of the upper surface of the gland, and two ends of the wedge are of a slide-shaped structure with downward inclination.
7. The novel waterproof optical fiber cold connector according to claim 2, wherein the jaw end face of the connecting piece is a rough face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321667615.0U CN220019937U (en) | 2023-06-28 | 2023-06-28 | Novel waterproof optical fiber cold connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321667615.0U CN220019937U (en) | 2023-06-28 | 2023-06-28 | Novel waterproof optical fiber cold connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220019937U true CN220019937U (en) | 2023-11-14 |
Family
ID=88687644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321667615.0U Active CN220019937U (en) | 2023-06-28 | 2023-06-28 | Novel waterproof optical fiber cold connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220019937U (en) |
-
2023
- 2023-06-28 CN CN202321667615.0U patent/CN220019937U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |