CN108802937B - Light nonmetal flame-retardant fire-resistant optical cable - Google Patents
Light nonmetal flame-retardant fire-resistant optical cable Download PDFInfo
- Publication number
- CN108802937B CN108802937B CN201810728349.5A CN201810728349A CN108802937B CN 108802937 B CN108802937 B CN 108802937B CN 201810728349 A CN201810728349 A CN 201810728349A CN 108802937 B CN108802937 B CN 108802937B
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- Prior art keywords
- flame
- sleeve
- retardant fire
- groove
- optical cable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a light nonmetal flame-retardant fire-resistant optical cable which comprises a flame-retardant fire-resistant layer, wherein the outer side of the flame-retardant fire-resistant layer is fixedly connected with a sheath, the inner side of the flame-retardant fire-resistant layer is provided with a sleeve, the inner side of the flame-retardant fire-resistant layer is provided with a central reinforcing piece positioned on the inner side of the sleeve, the inner side of the flame-retardant fire-resistant layer is provided with a sliding groove positioned on the outer side of the sleeve, and the inner side of the flame-retardant fire-resistant layer is provided with. The limiting groove and the combining groove are arranged to play a role in enabling relative position change to occur between the sleeve and the central reinforcing piece and enabling the sleeve and the central reinforcing piece to be pulled and slid by traction of the limiting rod, so that the connection between the sleeve and the central reinforcing piece is guaranteed, friction with larger amplitude in position offset is reduced, the effect of prolonging the service life is achieved by guaranteeing the relative position between the structures, and the effect of facilitating long-term use is achieved.
Description
Technical Field
The invention relates to the technical field of flame-retardant and fire-resistant optical cables, in particular to a light nonmetal flame-retardant and fire-resistant optical cable.
Background
The optical cable is manufactured to meet the performance specification of optics, machinery or environment, and is a communication cable component which uses one or more optical fibers as transmission media in a covering sheath and can be used singly or in groups.
Along with the rapid development of the society, the light nonmetal flame-retardant fire-resistant optical cable is used more and more, and then the quality requirement of the light nonmetal flame-retardant fire-resistant optical cable is improved, but the position of the light nonmetal flame-retardant fire-resistant optical cable is easy to deviate and wear because the sleeve and the central reinforcement are not provided with a traction connection structure, and the normal service life is influenced because the position of the light nonmetal flame-retardant fire-resistant optical cable is easy to deviate and wear because the sleeve and the central reinforcement are not provided with a mutual traction.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the light nonmetal flame-retardant fire-resistant optical cable is characterized in that the position is easy to deviate and wear because the sleeve and the central reinforcement are not in a traction connection structure, and the normal service life is influenced because the position is easy to deviate due to the fact that the existing sleeve is not in a mutual traction structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light nonmetal flame-retardant fire-resistant optical cable comprises a flame-retardant fire-resistant layer, a sheath is fixedly connected with the outer side of the flame-retardant fire-resistant layer, the inner side of the flame-retardant fire-resistant layer is provided with a sleeve, the inner side of the flame-retardant fire-resistant layer is provided with a central reinforcing piece positioned at the inner side of the sleeve, the inner side of the flame-retardant fire-resistant layer is provided with a sliding groove positioned on the outer side of the sleeve, the inner side of the flame-retardant fire-resistant layer is provided with a filling colloid positioned between the sleeve and the central reinforcement, the outer side of the central reinforcing part is provided with a limiting groove, the inner surfaces of the limiting groove and the sliding groove are both connected with a limiting roller in a sliding way, one side of the limiting idler wheel, which is close to the sleeve, is movably connected with a mounting U-shaped plate through a limiting rod, one side of the sleeve, which is close to the limiting groove and the sliding groove, is provided with a combination groove, one side of the mounting U-shaped plate, which is close to the combination groove, is connected on the inner surface of the combination groove in a sliding mode through a traction roller.
Preferably, eight and be the rectangular array are no less than to sheathed tube quantity, the guide way has been seted up to sheathed tube one side, the internal surface sliding connection of guide way has guide roller, one side swing joint that the guide way was kept away from to the sleeve pipe has the articulated elements, and is adjacent one side and articulated elements swing joint that the guide way was kept away from to guide roller between the sleeve pipe.
Preferably, the number of the limiting grooves is not less than eight, the limiting grooves are in an annular array, and the inner surfaces of the limiting grooves are provided with sliding-assistant pads.
Preferably, the front face of the guide groove is arc-shaped, and the radian of the front face of the guide groove is between forty-five degrees and seventy-five degrees.
Preferably, the front surface of the central reinforcing member is circular, and the front surface of the filling colloid is also circular.
Preferably, the outer surfaces of the limiting idler wheel and the traction idler wheel are fixedly connected with wear-resistant pads, and the hinged parts and the sleeves are connected in a riveting mode.
Compared with the prior art, the invention has the beneficial effects that:
(1) set up the spacing groove and combine the groove to play relative position change appears between sleeve pipe and central reinforcement and makes the pulling that utilizes the gag lever post pull gliding effect, and then guaranteed the contact between sleeve pipe and the central reinforcement, reduced offset friction by a relatively large margin, and then reach the effect that promotes life through guaranteeing relative position between the structure to reach the effect of being convenient for use for a long time.
(2) Set up guide way, guide roller and articulated elements and play the effect that increases contact between the adjacent sleeve pipe, and then avoid position shift serious between the sleeve pipe to contact between the cooperation center reinforcement plays the effect that promotes contact between the mutual structure, reaches the effect of guaranteeing mutual position through the contact that increases relative motion, thereby reaches the effect of avoiding under the exogenic action structure relative position in disorder.
Drawings
FIG. 1 is a schematic structural view of a light-weight non-metallic flame-retardant and fire-resistant optical cable according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1 of a lightweight non-metallic flame-retardant and fire-resistant optical cable according to the present invention.
In the figure: the structure comprises a flame-retardant fire-resistant layer 1, a sheath 2, a sleeve 3, a central reinforcing piece 4, a sliding groove 5, a filling colloid 6, a limiting groove 7, a limiting roller 8, a limiting rod 9, a mounting U-shaped plate 10, a combination groove 11, a traction roller 12, a guide groove 13, a guide roller 14 and a hinging piece 15.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a light-duty nonmetal fire-retardant optical cable, including fire-retardant flame retardant coating 1, fire-retardant flame retardant coating 1's outside fixedly connected with sheath 2, fire-retardant flame retardant coating 1's inboard is provided with sleeve pipe 3, fire-retardant flame retardant coating 1's inboard is provided with the central reinforcement 4 that is located sleeve pipe 3 inboard, the sliding tray 5 that is located the sleeve pipe 3 outside is seted up to fire-retardant flame retardant coating 1's inboard, fire-retardant flame retardant coating 1's inboard is provided with the packing colloid 6 that is located between sleeve pipe 3 and the central reinforcement 4, the positive shape of central reinforcement 4 is circular, the positive shape of packing colloid 6 is also circular, set up circular the effect that plays.
The outer side of the central reinforcing part 4 is provided with limiting grooves 7, the number of the limiting grooves 7 is not less than eight, the limiting grooves 7 are in an annular array, the inner surfaces of the limiting grooves 7 are provided with sliding pads, the function of increasing the relative distance between the connection guarantee structures between the central reinforcing part 4 and the sleeve 3 is realized, the function of avoiding larger friction and position deviation between the structures is realized, the inner surfaces of the limiting grooves 7 and the sliding grooves 5 are both connected with limiting rollers 8 in a sliding mode, one side, close to the sleeve 3, of each limiting roller 8 is movably connected with an installation U-shaped plate 10 through a limiting rod 9, one side, close to the limiting grooves 7 and the sliding grooves 5, of the sleeve 3 is both provided with a combination groove 11, one side, close to the combination groove 11, of the installation U-shaped plate 10 is connected onto the inner surface of the combination groove 11 in a sliding mode through a traction roller 12, the friction with, thereby achieving the effect of being convenient for long-term use.
The number of the sleeves 3 is not less than eight and is a rectangular array, one side of each sleeve 3 is provided with a guide groove 13, the positive shape of each guide groove 13 is arc-shaped, the positive radian of each guide groove 13 is between forty-five degrees and seventy-five degrees, the proper range of each guide groove 13 is set to ensure the distance between the adjacent sleeves 3, the inner surface of each guide groove 13 is connected with a guide roller 14 in a sliding manner, one side of each sleeve 3, far away from each guide groove 13, is movably connected with an articulated piece 15, one side of each guide roller 14, far away from each guide groove 13, between the adjacent sleeves 3 is movably connected with the articulated piece 15, the mutual connection between the adjacent sleeves 3 is set to ensure that the position is not deviated, the mutual distance between the adjacent sleeves 3 is ensured, the outer surfaces of the limit rollers 8 and the traction rollers 12 are fixedly connected with wear pads, the wear pads are arranged to ensure that the sliding structure, the effect of ensuring the mutual positions is achieved by increasing the relation of the relative movement, so that the effect of avoiding the disorder of the relative positions of the structures under the action of external force is achieved.
In the invention, when a user uses the device, when the device is extruded by external force, the central reinforcing part 4 and the sleeve 3 move relatively, the limiting roller 8 and the traction roller 12 respectively slide on the inner surfaces of the limiting groove 7 and the combination groove 11 under the action of the limiting rod 9 to ensure that the relative position does not change greatly, the adjacent sleeve 3 ensures that the relative position does not change greatly under the action of the articulated piece 15 and the guide roller 14, and the effect of ensuring the mutual positions is achieved by increasing the relation of the relative movement, thereby achieving the effect of avoiding the disorder of the relative positions of the structures under the action of the external force.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A light nonmetal flame-retardant fire-resistant optical cable comprises a flame-retardant fire-resistant layer (1), wherein a sheath (2) is fixedly connected to the outer side of the flame-retardant fire-resistant layer (1), a sleeve (3) is arranged on the inner side of the flame-retardant fire-resistant layer (1), a central reinforcing piece (4) is arranged on the inner side of the sleeve (3), the light nonmetal flame-retardant fire-resistant optical cable is characterized in that a sliding groove (5) is formed in the inner side of the flame-retardant fire-resistant layer (1), a filling colloid (6) is arranged between the sleeve (3) and the central reinforcing piece (4) and arranged on the inner side of the flame-retardant fire-resistant layer (1), a limiting groove (7) is formed in the outer side of the central reinforcing piece (4), limiting rollers (8) are connected to the inner surfaces of the limiting groove (7) and the sliding groove (5) in a sliding manner, a U-shaped plate (10) is movably connected to one side, close to the, the utility model discloses a joint groove (11) has all been seted up to one side that sleeve pipe (3) are close to spacing groove (7) and sliding tray (5), one side that installation U-shaped board (10) are close to joint groove (11) is through traction roller (12) sliding connection on the internal surface of joint groove (11).
2. The light-duty nonmetal fire-resistant optical cable according to claim 1, wherein the number of the sleeves (3) is not less than eight and is a rectangular array, a guide groove (13) is formed in one side of each sleeve (3), a guide roller (14) is slidably connected to the inner surface of each guide groove (13), a hinge member (15) is movably connected to one side, away from the guide groove (13), of each sleeve (3), and one side, away from the guide groove (13), of each guide roller (14) between the adjacent sleeves (3) is movably connected with the hinge member (15).
3. A light non-metallic flame-retardant fire-resistant optical cable according to claim 1, wherein the number of the limiting grooves (7) is not less than eight, the limiting grooves (7) are in an annular array, and a sliding-aid pad is arranged on the inner surface of the limiting grooves (7).
4. A light weight non-metallic flame retardant fire resistant optical cable as claimed in claim 2, wherein the front face of the guide groove (13) is arc-shaped, and the arc-shape of the front face of the guide groove (13) is between forty-five degrees and seventy-five degrees.
5. A light weight non-metallic flame retardant and fire resistant optical cable as claimed in claim 1, wherein the front face of the central strength member (4) is circular in shape and the front face of the potting compound (6) is also circular in shape.
6. A light non-metallic flame-retardant fire-resistant optical cable as claimed in claim 2, wherein the outer surfaces of the limiting roller (8) and the pulling roller (12) are fixedly connected with wear pads, and the connection between the hinge member (15) and the sleeve (3) is riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728349.5A CN108802937B (en) | 2018-07-05 | 2018-07-05 | Light nonmetal flame-retardant fire-resistant optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728349.5A CN108802937B (en) | 2018-07-05 | 2018-07-05 | Light nonmetal flame-retardant fire-resistant optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108802937A CN108802937A (en) | 2018-11-13 |
| CN108802937B true CN108802937B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810728349.5A Active CN108802937B (en) | 2018-07-05 | 2018-07-05 | Light nonmetal flame-retardant fire-resistant optical cable |
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| Country | Link |
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| CN (1) | CN108802937B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60107608A (en) * | 1983-11-16 | 1985-06-13 | Fujikura Ltd | Fire-resistant optical cable |
| CN2525544Y (en) * | 2002-02-02 | 2002-12-11 | 信息产业部电子第八研究所 | High-strength steel wire armored submarine optical cable |
| CN107765384A (en) * | 2017-12-07 | 2018-03-06 | 江苏亨通光电股份有限公司 | A kind of Lightweight nonmetal flame-retardant optical cable |
| CN207302694U (en) * | 2017-11-01 | 2018-05-01 | 江西圣塔电缆科技有限公司 | A kind of flexible anti-interference Industry Control cable |
| CN207381147U (en) * | 2017-10-30 | 2018-05-18 | 安徽明都电力线缆有限公司 | A kind of anti-fracture high stability cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7202418B2 (en) * | 2004-01-07 | 2007-04-10 | Cable Components Group, Llc | Flame retardant and smoke suppressant composite high performance support-separators and conduit tubes |
-
2018
- 2018-07-05 CN CN201810728349.5A patent/CN108802937B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60107608A (en) * | 1983-11-16 | 1985-06-13 | Fujikura Ltd | Fire-resistant optical cable |
| CN2525544Y (en) * | 2002-02-02 | 2002-12-11 | 信息产业部电子第八研究所 | High-strength steel wire armored submarine optical cable |
| CN207381147U (en) * | 2017-10-30 | 2018-05-18 | 安徽明都电力线缆有限公司 | A kind of anti-fracture high stability cable |
| CN207302694U (en) * | 2017-11-01 | 2018-05-01 | 江西圣塔电缆科技有限公司 | A kind of flexible anti-interference Industry Control cable |
| CN107765384A (en) * | 2017-12-07 | 2018-03-06 | 江苏亨通光电股份有限公司 | A kind of Lightweight nonmetal flame-retardant optical cable |
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| Publication number | Publication date |
|---|---|
| CN108802937A (en) | 2018-11-13 |
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Effective date of registration: 20200511 Address after: 300450 16th floor, Haitai building, No. 6, Meiyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin Applicant after: TIANJIN FUTONG XINMAO SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 528000 Juyuan Business Center, 16 Foping 4th Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province, 3 1119 Rooms (Residence Declaration) Applicant before: FOSHAN YIXUAN SOFTWARE TECHNOLOGY Co.,Ltd. |
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Address after: No.10, Rongyuan Road, Huayuan Industrial Zone, hi tech Zone, Binhai New Area, Tianjin 300450 Patentee after: Tianjin Futong Information Technology Co.,Ltd. Address before: 300450 16th floor, Haitai building, No.6 Meiyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin Patentee before: TIANJIN FUTONG XINMAO SCIENCE & TECHNOLOGY Co.,Ltd. |