CN210488065U - Novel waterproof and moistureproof optical cable - Google Patents
Novel waterproof and moistureproof optical cable Download PDFInfo
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- CN210488065U CN210488065U CN201921628216.7U CN201921628216U CN210488065U CN 210488065 U CN210488065 U CN 210488065U CN 201921628216 U CN201921628216 U CN 201921628216U CN 210488065 U CN210488065 U CN 210488065U
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Abstract
The utility model discloses a novel moisture-proof type optical cable blocks water relates to optical cable technical field. The utility model comprises a cable body, wherein a first joint and a second joint which are mutually matched are respectively arranged at the two ends of the cable body; the first joint comprises a convex part, the second joint is provided with a concave part matched with the convex part, and a sealing ring is arranged at the concave part. The cable body includes the cable core, and the outside of cable core is equipped with an insulating layer, and the outside of insulating layer is equipped with the band layer, and the outside on band layer is equipped with ceramic silicon rubber flame retardant coating, and the outside of ceramic silicon rubber flame retardant coating is equipped with first buffer layer, and the outside of first buffer layer is equipped with first waterproof layer, and the outside of first waterproof layer is equipped with the second waterproof layer, and the outside of second waterproof layer is equipped with the second buffer layer, and the outside of second buffer layer is equipped with the oversheath layer. The utility model discloses a first joint, second connect and compress tightly the design of cover, have improved the waterproof performance of optical cable junction, have solved the poor problem of current optical cable waterproof performance.
Description
Technical Field
The utility model belongs to the technical field of the optical cable, especially, relate to a novel moisture-proof optical cable blocks water.
Background
The optical cable is one of the indispensable communications facilities in our daily life, because the long-term quilt of optical cable is buried underground, so receive the erosion of secret moist steam for a long time, the phenomenon that communication quality is poor can appear easily, and consequently how to improve the waterproof performance of optical cable is the utility model aims to solve the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel dampproofing type optical cable blocks water, through first joint, second joint and the design that compresses tightly the cover, improved the waterproof performance of optical cable junction, solved the poor problem of current optical cable waterproof performance.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a novel waterproof and moistureproof optical cable, which comprises a cable body, wherein a first joint and a second joint which are mutually matched are respectively arranged at two ends of the cable body;
the first joint comprises a protruding part, the second joint is provided with a concave part matched with the protruding part, and a sealing ring is arranged at the concave part.
Further, the cable body comprises a cable core, an insulating layer is arranged on the outer side of the cable core, a band layer is arranged on the outer side of the insulating layer, a ceramic silicon rubber fire-resistant layer is arranged on the outer side of the band layer, a first buffer layer is arranged on the outer side of the ceramic silicon rubber fire-resistant layer, a first waterproof layer is arranged on the outer side of the first buffer layer, a second waterproof layer is arranged on the outer side of the first waterproof layer, a second buffer layer is arranged on the outer side of the second waterproof layer, and an outer sheath layer is arranged on the outer side of the second buffer layer.
The armor layer is arranged between the belt layer ceramic silicon rubber fire-resistant layers or between the ceramic silicon rubber fire-resistant layers and the first buffer layer.
Furthermore, the outer side of the first waterproof layer is provided with a convex edge which is annularly distributed along the radial direction of the first waterproof layer, and the inner side of the second waterproof layer is provided with a concave surface which is matched with the convex edge;
the cross section of the convex rib is of a semicircular structure.
Furthermore, a compressing sleeve is arranged on the second joint, a limiting edge which is turned inwards is arranged at one end of the compressing sleeve, and a limiting step which is in limiting fit with the limiting edge is arranged on the second joint; a limiting ring used for limiting the movement of the pressing sleeve is arranged at one end of the first joint, which is far away from the protruding part; the pressing sleeve is in threaded connection with the second connector, and the pressing sleeve is in threaded connection with the first connector.
Furthermore, a spring is arranged between the limiting step and the limiting edge.
The utility model discloses following beneficial effect has:
the utility model discloses a first joint, second connect and compress tightly the design of cover, have improved the waterproof performance of optical cable junction, make things convenient for the extension between the optical cable to connect simultaneously.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of examples 2 and 3;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, the utility model relates to a novel water-blocking moisture-proof optical cable, which comprises a cable body 1, wherein a first joint 2 and a second joint 3 which are mutually matched are respectively arranged at two ends of the cable body 1;
the first joint 2 includes a protrusion 21, and the second joint 3 is provided with a recess matching with the protrusion 21 and a sealing ring 31 at the recess.
A pressing sleeve 34 is arranged on the second connector 3, a limiting edge 35 which is turned inwards is arranged at one end of the pressing sleeve 34, and a limiting step 32 which is in limiting fit with the limiting edge 35 is arranged on the second connector 3; one end of the first joint 2, which is far away from the bulge 21, is provided with a limiting ring 22 for limiting the movement of the pressing sleeve 34; the pressing sleeve 34 is in threaded connection with the second connector 3, and the pressing sleeve 34 is in threaded connection with the first connector 2.
When the connector is used, the second connector 3 and the first connector 2 are matched and spliced, the pressing sleeve 34 is rotated until the pressing sleeve 34 is screwed from the second connector 3 to the first connector 2 and is screwed until the pressing sleeve is difficult to rotate or until the pressing sleeve 34 abuts against the limiting ring 22 of the first connector 2 to stop rotating.
Utilize and compress tightly cover 34 to carry out fixed connection to second joint 3 and first joint 2 to form the load structure of integration, promoted tensile properties, and prolonged the life of whole prefabricated one-tenth end introduction optical cable subassembly, utilize simultaneously to compress tightly cover 34 to improve the sealing performance of second joint 3 and first joint 2 junction, and improve the sealing performance of second joint 3 and first joint 2 junction through sealing washer 31.
Example 2
Referring to fig. 1-3, a novel water-blocking and moisture-proof optical cable comprises a cable body 1, wherein a first joint 2 and a second joint 3 which are matched with each other are respectively arranged at two ends of the cable body 1;
the first joint 2 includes a protrusion 21, and the second joint 3 is provided with a recess matching with the protrusion 21 and a sealing ring 31 at the recess.
The cable body 1 comprises a cable core 11, an insulating layer 12 is arranged on the outer side of the cable core 11, a band layer 13 is arranged on the outer side of the insulating layer 12, a ceramic silicon rubber fire-resistant layer 14 is arranged on the outer side of the band layer 13, a first buffer layer 15 is arranged on the outer side of the ceramic silicon rubber fire-resistant layer 14, a first waterproof layer 16 is arranged on the outer side of the first buffer layer 15, a second waterproof layer 17 is arranged on the outer side of the first waterproof layer 16, a second buffer layer 18 is arranged on the outer side of the second waterproof layer 17, and an outer sheath layer 19 is arranged on the outer side of the; the outer side of the first waterproof layer 16 is provided with a convex edge 10 which is annularly distributed along the radial direction of the first waterproof layer, and the inner side of the second waterproof layer 17 is provided with a concave surface which is matched with the convex edge 10; the cross section of the rib 10 is a semicircular structure.
A pressing sleeve 34 is arranged on the second connector 3, a limiting edge 35 which is turned inwards is arranged at one end of the pressing sleeve 34, and a limiting step 32 which is in limiting fit with the limiting edge 35 is arranged on the second connector 3; one end of the first joint 2, which is far away from the bulge 21, is provided with a limiting ring 22 for limiting the movement of the pressing sleeve 34; the pressing sleeve 34 is in threaded connection with the second connector 3, and the pressing sleeve 34 is in threaded connection with the first connector 2; a spring 33 is arranged between the limiting step 32 and the limiting edge 35.
Example 3
Referring to fig. 1-3, a novel water-blocking and moisture-proof optical cable comprises a cable body 1, wherein a first joint 2 and a second joint 3 which are matched with each other are respectively arranged at two ends of the cable body 1;
the first joint 2 includes a protrusion 21, and the second joint 3 is provided with a recess matching with the protrusion 21 and a sealing ring 31 at the recess.
The cable body 1 comprises a cable core 11, an insulating layer 12 is arranged on the outer side of the cable core 11, a band layer 13 is arranged on the outer side of the insulating layer 12, a ceramic silicon rubber fire-resistant layer 14 is arranged on the outer side of the band layer 13, a first buffer layer 15 is arranged on the outer side of the ceramic silicon rubber fire-resistant layer 14, a first waterproof layer 16 is arranged on the outer side of the first buffer layer 15, a second waterproof layer 17 is arranged on the outer side of the first waterproof layer 16, a second buffer layer 18 is arranged on the outer side of the second waterproof layer 17, and an outer sheath layer 19 is arranged on the outer side of the; the composite cable further comprises an armor layer, wherein the armor layer is arranged between the ceramic silicon rubber fire-resistant layers 14 of the band layer 13 or between the ceramic silicon rubber fire-resistant layers 14 and the first buffer layer 15.
The outer side of the first waterproof layer 16 is provided with a convex edge 10 which is annularly distributed along the radial direction of the first waterproof layer, and the inner side of the second waterproof layer 17 is provided with a concave surface which is matched with the convex edge 10; the cross section of bead 10 is a semicircular structure, through the design of bead 10 and concave surface, has improved first waterproof layer 16 and second waterproof layer 17 area of contact, simultaneously through this kind of improvement area of contact, utilizes the characteristic of waterproof glue, has improved the waterproof performance of first waterproof layer 16 and second waterproof layer 17 combination.
A pressing sleeve 34 is arranged on the second connector 3, a limiting edge 35 which is turned inwards is arranged at one end of the pressing sleeve 34, and a limiting step 32 which is in limiting fit with the limiting edge 35 is arranged on the second connector 3; one end of the first joint 2, which is far away from the bulge 21, is provided with a limiting ring 22 for limiting the movement of the pressing sleeve 34; the pressing sleeve 34 is in threaded connection with the second connector 3, and the pressing sleeve 34 is in threaded connection with the first connector 2.
Wherein, a spring 33 is arranged between the limit step 32 and the limit edge 35.
In the above embodiments 2-3, the first buffer layer 15 and the second buffer layer 18 are both a foam layer, the first waterproof layer 16 is a water-blocking glass fiber, the second waterproof layer 17 is a waterproof adhesive layer, and the outer sheath layer is medium density polyethylene, i.e., an MDPE protective layer.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a novel moisture-proof type optical cable blocks water which characterized in that: the cable comprises a cable body (1), wherein a first connector (2) and a second connector (3) which are matched with each other are respectively arranged at two ends of the cable body (1);
the first connector (2) comprises a protruding portion (21), a concave portion matched with the protruding portion (21) is arranged on the second connector (3), and a sealing ring (31) is arranged at the concave portion.
2. A novel water-blocking moisture-proof optical cable as claimed in claim 1, wherein the cable body (1) comprises a cable core (11), an insulating layer (12) is arranged on the outer side of the cable core (11), a band layer (13) is arranged on the outer side of the insulating layer (12), a ceramic silicon rubber fire-resistant layer (14) is arranged on the outer side of the band layer (13), a first buffer layer (15) is arranged on the outer side of the ceramic silicon rubber fire-resistant layer (14), a first waterproof layer (16) is arranged on the outer side of the first buffer layer (15), a second waterproof layer (17) is arranged on the outer side of the first waterproof layer (16), a second buffer layer (18) is arranged on the outer side of the second waterproof layer (17), and an outer sheath layer (19) is arranged on the outer side of the second buffer layer (18).
3. A novel water-blocking moisture-proof optical cable as claimed in claim 2, further comprising an armor layer disposed between the band layer (13) and the fire-resistant ceramic silicone rubber layer (14) or between the fire-resistant ceramic silicone rubber layer (14) and the first buffer layer (15).
4. A novel water-blocking moisture-proof optical cable as claimed in claim 2 or 3, wherein the outer side of the first waterproof layer (16) is provided with a plurality of ribs (10) annularly distributed along the radial direction of the first waterproof layer, and the inner side of the second waterproof layer (17) is provided with a concave surface matched with the plurality of ribs (10);
the cross section of the convex rib (10) is of a semicircular structure.
5. A novel water-blocking moisture-proof optical cable as claimed in claim 1, wherein a pressing sleeve (34) is provided on the second joint (3), a limiting edge (35) turned inwards is provided at one end of the pressing sleeve (34), and a limiting step (32) in limiting fit with the limiting edge (35) is provided on the second joint (3); a limiting ring (22) used for limiting the movement of the pressing sleeve (34) is arranged at one end, away from the protruding part (21), of the first joint (2);
the pressing sleeve (34) is in threaded connection with the second connector (3), and the pressing sleeve (34) is in threaded connection with the first connector (2).
6. A novel water-blocking moisture-proof optical cable as claimed in claim 5, wherein a spring (33) is provided between the limiting step (32) and the limiting rim (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628216.7U CN210488065U (en) | 2019-09-27 | 2019-09-27 | Novel waterproof and moistureproof optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628216.7U CN210488065U (en) | 2019-09-27 | 2019-09-27 | Novel waterproof and moistureproof optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488065U true CN210488065U (en) | 2020-05-08 |
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ID=70508751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921628216.7U Active CN210488065U (en) | 2019-09-27 | 2019-09-27 | Novel waterproof and moistureproof optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210488065U (en) |
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2019
- 2019-09-27 CN CN201921628216.7U patent/CN210488065U/en active Active
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