CN111474653B - Junction box for laying optical cable - Google Patents
Junction box for laying optical cable Download PDFInfo
- Publication number
- CN111474653B CN111474653B CN202010447944.9A CN202010447944A CN111474653B CN 111474653 B CN111474653 B CN 111474653B CN 202010447944 A CN202010447944 A CN 202010447944A CN 111474653 B CN111474653 B CN 111474653B
- Authority
- CN
- China
- Prior art keywords
- optical cable
- mounting grooves
- shell
- cable mounting
- lower shell
- Prior art date
- 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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Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 104
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/501—Underground or underwater installation; Installation through tubing, conduits or ducts underground installation of connection boxes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a junction box for laying optical cables, which comprises a shell, wherein the shell comprises an upper shell and a lower shell, connecting lugs which correspond to each other are arranged on the outer walls of the upper shell and the lower shell, optical cable mounting grooves I are formed at the two ends of the lower shell, optical cable mounting grooves II which correspond to the positions and the sizes of the optical cable mounting grooves I are formed at the two ends of the upper shell, optical cable mounting holes are formed by combining the optical cable mounting grooves I and the optical cable mounting grooves II when the upper shell and the lower shell are assembled and fixed, sealing sleeves are arranged in the optical cable mounting grooves I, the sizes of the sealing sleeves correspond to the sizes of mounting holes formed by the optical cable mounting grooves I and the optical cable mounting grooves II, slots are formed between the upper ends of the mounting grooves I and the sealing sleeves, and inserting blocks with the thickness slightly larger than the width of the slots are formed at the lower edge of the optical cable mounting grooves II; a fiber melting disc is arranged at the bottom of the inner cavity of the lower shell, and a locking device is arranged above the fiber melting disc; the below of lower casing is provided with the fixed plate, and the below of fixed plate is provided with buffer structure.
Description
Technical Field
The invention relates to the technical field of optical cable laying equipment, in particular to a junction box for optical cable laying.
Background
The optical cable junction box is a box for protecting the fusion connection of the optical cable and the tail fiber at the terminal of the optical cable laying, is mainly used for the direct connection and branch connection of the indoor optical cable and the fixation of the optical cable terminal, and plays roles of storing the tail fiber disc and protecting the joint.
The quality of optical cable splice box directly influences the quality of optical cable line and the life of optical cable line, current optical cable lays the terminal box, optical cable anti-drop effect is not good, when optical cable laid's terminal box long-time use, appear easily and appear the phenomenon that looseness drops between optical cable and the terminal box that optical cable laid, influence the performance of optical cable, reduce the life of optical cable terminal box, provide the optical cable terminal box that increases optical cable connection stability among the prior art, but the structure is complicated, increase the degree of difficulty and the complexity of operation of optical cable terminal box production, reduce the practicality of optical cable terminal box.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a junction box for laying optical cables.
The technical scheme of the invention is as follows:
the utility model provides a terminal box for optical cable laying, includes the casing, the casing includes upper casing and lower casing, the outer wall of upper casing and lower casing set up the connection lug that corresponds each other, the both ends of lower casing set up optical cable mounting groove I, the both ends of upper casing set up the optical cable mounting groove II that corresponds with optical cable mounting groove I position and size, optical cable mounting groove I and optical cable mounting groove II make up into the optical cable installation through-hole when upper casing and lower casing assembly are fixed, set up the seal cover in optical cable mounting groove I, the size of seal cover corresponds with the mounting hole size that optical cable mounting groove I and optical cable mounting groove II constitute, be provided with the slot between the upper end of mounting groove I and the seal cover, the upper casing sets up the inserted block that thickness is slightly greater than the slot width at optical cable mounting groove II's lower edge; a fiber melting disc is arranged at the bottom of the inner cavity of the lower shell, and a locking device is arranged above the fiber melting disc; the lower side of the lower shell is provided with a fixed plate, and the lower side of the fixed plate is provided with a buffer structure.
The edge of the lower shell is provided with a groove, and the upper shell is provided with a raised sealing strip corresponding to the groove.
The lower side of the lower shell is provided with a fixed joint, and the fixed plate is provided with a fixed rod which is detachably connected with the fixed joint.
The buffer structure comprises a rubber pad and a spring, one end of the spring is connected with the rubber pad, and the other end of the spring is connected with the fixing plate.
The locking device comprises a mounting seat and a fixing frame, wherein the mounting seat is connected with the inner cavity of the lower shell, the fixing frame is detachably arranged on the mounting seat, and a fixing hole is formed in the assembling surface of the fixing frame and the mounting seat.
The top of the mounting seat is provided with a screw hole, the fixing frame is provided with a through hole, and the mounting seat and the fixing frame are fixedly connected through screws.
The invention has the beneficial effects that:
1. according to the junction box, the slot is formed in the lower shell, the insert block is arranged on the upper shell, and when the upper shell and the lower shell are assembled, the insert block can be inserted into the slot to extrude the sealing sleeve in the optical cable mounting groove, so that the fixation of an optical cable can be enhanced, the optical cable is prevented from loosening, and the assembly sealing performance of the upper shell and the lower shell can be enhanced. Meanwhile, the locking device is arranged in the cavity of the lower shell to fix the optical cable connector, so that the optical cable can be further prevented from loosening, the optical cable connector is stable, and the service performance of the optical cable is ensured.
2. The invention achieves the effect of enhancing the connection stability of the optical cable and the junction box through simple structural arrangement, has simple and convenient operation, and can save the production and manufacturing cost and the labor cost for laying the optical cable.
Drawings
FIG. 1 is a schematic view of the external structure of a junction box housing according to the present invention;
FIG. 2 is a schematic side view of a junction box according to the present invention;
FIG. 3 is a top view of the lower housing structure of the junction box of the present invention;
FIG. 4 is a schematic view showing the assembly relationship between the lower housing and the fixing plate;
FIG. 5 is a side view of the upper housing;
FIG. 6 is a side view of the lower housing;
in the figure, each serial number and corresponding structure name are as follows:
1-upper shell, 2-lower shell, 3-lug, 4-optical cable mounting groove I, 5-optical cable mounting groove II, 6-sealing sleeve, 7-slot, 8-plug, 9-locking device, 10-fixed plate, 11-groove, 12-sealing strip, 13-fixed joint, 14-fixed rod, 15-rubber pad, 16-spring, 17-mount, 18-mount, 19-screw, 20-fixed hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The junction box for laying optical cables comprises a shell, wherein the shell comprises an upper shell 1 and a lower shell 2, connecting lugs 3 which correspond to each other are arranged on the outer walls of the upper shell and the lower shell, optical cable mounting grooves I4 are formed in two ends of the lower shell 2, optical cable mounting grooves II5 which correspond to the positions and the sizes of the optical cable mounting grooves I are formed in two ends of the upper shell, when the upper shell and the lower shell are assembled and fixed, the optical cable mounting grooves I4 and the optical cable mounting grooves II5 are combined into an optical cable mounting through hole, a sealing sleeve 6 is arranged in the optical cable mounting groove I, the size of the sealing sleeve 6 corresponds to the size of a mounting hole formed by the optical cable mounting groove I and the optical cable mounting groove II, a slot 7 is formed between the upper end of the mounting groove I and the sealing sleeve, and a plug block 8 with the thickness slightly larger than the width of the slot is arranged on the lower edge of the optical cable mounting groove II; a fiber melting disc is arranged at the bottom of the inner cavity of the lower shell 2, and a locking device 9 is arranged above the fiber melting disc; the lower side of lower casing is provided with fixed plate 10, and the below of fixed plate is provided with buffer structure, and the seal cover is the rubber material, extrudees the seal cover when the inserted block inserts in the slot, can strengthen the fixed and the sealing performance of reinforcing casing to the optical cable.
The edge of the lower shell 2 is provided with a groove 11, the upper shell is provided with a raised sealing strip 12 corresponding to the groove, the depth of the groove is not more than one third of the thickness of the lower shell, the inside of the sealing strip is made of metal, and a layer of rubber layer is wrapped outside the metal.
The lower side of lower casing 2 sets up fixed joint 13, sets up the dead lever 14 of being connected with fixed joint can be dismantled on the fixed plate 10, and when optical cable terminal box mounted position need not be fixed with wall body or ground, the dead lever is not connected with fixed joint, when needs install optical cable terminal box on ground or the wall body, the dead lever is connected with fixed joint, sets up the screw hole on the fixed plate, fixes fixed plate and ground or wall body through the screw to the realization is fixed to optical cable terminal box, uses more in a flexible way, and is multiple functional.
The buffer structure include rubber pad 15 and spring 16, spring one end be connected with rubber pad 15, the other end is connected with fixed plate 10, sets up buffer structure, when installing the fixed plate to wall body or subaerial, fixed plate extrusion spring and rubber washer, in the use, when the terminal box receives external force impact, buffer structure can play the effect of buffering external force, reinforcing terminal box resistance external force impact.
The locking device 9 comprises a mounting seat 17 and a fixing frame 18, wherein the mounting seat is connected with the inner cavity of the lower shell 2, the fixing frame 18 is detachably arranged on the mounting seat 17, and a fixing hole 20 is formed in the assembling surface of the fixing frame and the mounting seat.
The top of the mounting seat 17 is provided with a screw hole, the fixing frame is provided with a through hole, the mounting seat and the fixing frame are fixedly connected through a screw 19, and the screw penetrates through the through hole on the fixing frame and is connected with the screw hole on the mounting seat.
When the optical cable junction box is used, after an optical cable is penetrated through a sealing sleeve, the sealing sleeve 6 is clamped into an optical cable mounting groove I4 of a lower shell, the optical cable is preliminarily fixed, optical cable fixing clamps are fixedly connected to the outer sides of fiber melting discs, one end of the optical cable is connected with the optical cable fixing clamps, a fixing frame 18 is clamped on the surface of the optical cable and is mounted on a mounting seat 17, the fixing frame is screwed down through a screw 19 to lock and fix the optical cable, finally, an upper shell is buckled and mounted on the lower shell, when the upper shell is mounted, a sealing strip opening is arranged in a groove 11 to seal the connection relation of the shells, meanwhile, the upper shell can be mounted and positioned, and then a lug 3 at the edge of the upper shell and the lower shell is connected through bolts, so that the connection relation of the upper shell and the lower shell is more firm; when the upper shell is buckled on the lower shell, the insert block 8 of the upper shell is pressed into the slot 7, and the thickness of the insert block is slightly larger than the width of the slot, so that the insert block has an extrusion effect on the sealing sleeve clamped in the optical cable installation groove I, the optical cable connector is fastened again, the sealing performance of the upper shell and the lower shell can be enhanced, and the problem that the optical cable is fixed to prevent the optical cable from loosening can be further enhanced. If the junction box is required to be fixed on a wall or the ground, the fixing rod 14 is installed on the fixing joint 13 to enable the fixing plate to be connected with the junction box, and the fixing plate is fixed with the ground or the wall through screws.
According to the junction box, the slot is formed in the lower shell, the insert block is arranged on the upper shell, and when the upper shell and the lower shell are assembled, the insert block can be inserted into the slot to extrude the sealing sleeve in the optical cable mounting groove, so that the fixation of an optical cable can be enhanced, the optical cable is prevented from loosening, and the assembly sealing performance of the upper shell and the lower shell can be enhanced. Meanwhile, the locking device is arranged in the cavity of the lower shell to fix the optical cable connector, so that the optical cable can be further prevented from loosening, the optical cable connector is stable, and the service performance of the optical cable is ensured.
The invention achieves the effect of enhancing the connection stability of the optical cable and the junction box through simple structural arrangement, has simple and convenient operation, and can save the production and manufacturing cost and the labor cost for laying the optical cable.
Claims (1)
1. A junction box for optical cable laying, characterized in that: the optical cable fixing device comprises a shell, wherein the shell comprises an upper shell (1) and a lower shell (2), connecting lugs (3) which correspond to each other are arranged on the outer walls of the upper shell and the lower shell, optical cable mounting grooves I (4) are formed in the two ends of the lower shell (2), optical cable mounting grooves II (5) which correspond to the positions and the sizes of the optical cable mounting grooves I are formed in the two ends of the upper shell, the optical cable mounting grooves I (4) and the optical cable mounting grooves II (5) are assembled and fixed to form optical cable mounting through holes when the upper shell and the lower shell are assembled and fixed, sealing sleeves (6) are arranged in the optical cable mounting grooves I, the sizes of the sealing sleeves (6) correspond to the sizes of mounting holes formed by the optical cable mounting grooves I and the optical cable mounting grooves II, inserting grooves (7) are formed between the upper ends of the mounting grooves I and the sealing sleeves, and inserting blocks (8) with the thickness slightly larger than the width of the inserting blocks are arranged on the lower edges of the optical cable mounting grooves II; a fiber melting disc is arranged at the bottom of the inner cavity of the lower shell (2), and a locking device (9) is arranged above the fiber melting disc; a fixed plate (10) is arranged below the lower shell, and a buffer structure is arranged below the fixed plate;
the edge of the lower shell (2) is provided with a groove (11), and the upper shell is provided with a raised sealing strip (12) corresponding to the groove;
a fixed joint (13) is arranged below the lower shell (2), and a fixed rod (14) detachably connected with the fixed joint is arranged on the fixed plate (10);
the buffer structure comprises a rubber pad (15) and a spring (16), wherein one end of the spring is connected with the rubber pad (15), and the other end of the spring is connected with the fixed plate (10);
the locking device (9) comprises a mounting seat (17) and a fixing frame (18), wherein the mounting seat is connected with the inner cavity of the lower shell (2), the fixing frame (18) is detachably arranged on the mounting seat (17), and a fixing hole (20) is formed in the assembling surface of the fixing frame and the mounting seat;
the top of the mounting seat (17) is provided with a screw hole, the fixing frame is provided with a through hole, and the mounting seat and the fixing frame are fixedly connected through a screw (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447944.9A CN111474653B (en) | 2020-05-25 | 2020-05-25 | Junction box for laying optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447944.9A CN111474653B (en) | 2020-05-25 | 2020-05-25 | Junction box for laying optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111474653A CN111474653A (en) | 2020-07-31 |
| CN111474653B true CN111474653B (en) | 2024-03-22 |
Family
ID=71760152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010447944.9A Active CN111474653B (en) | 2020-05-25 | 2020-05-25 | Junction box for laying optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111474653B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313299A (en) * | 2022-08-12 | 2022-11-08 | 广西电网有限责任公司来宾供电局 | Novel simple fusion-connection-free optical fiber cable junction box |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011128813A1 (en) * | 2010-04-16 | 2011-10-20 | Tyco Electronics (Shanghai) Co. Ltd. | Optical fiber cable junction box |
| CN102331609A (en) * | 2010-07-13 | 2012-01-25 | 泰科电子(上海)有限公司 | Optical fiber terminal box |
| CN205404905U (en) * | 2016-01-29 | 2016-07-27 | 杭州七友通信科技有限公司 | Cable connection box |
| CN105977898A (en) * | 2016-06-06 | 2016-09-28 | 济南轩天机电科技有限公司 | Fireproof explosion-proof combination structure at power cable joint of electric power system and application method |
| CN207908758U (en) * | 2018-02-28 | 2018-09-25 | 江苏辐镭光电设备有限公司 | A kind of cable splice closure of fixing compact |
| CN208433725U (en) * | 2018-06-15 | 2019-01-25 | 京信通信***（中国）有限公司 | Outgoing line sealing structure and antenna |
| CN209132487U (en) * | 2018-12-25 | 2019-07-19 | 咸宁市信通科技有限公司 | A kind of terminal box for fiber cable laying |
| CN209746215U (en) * | 2019-04-22 | 2019-12-06 | 兰宇通信有限公司 | Communication optical cable joint box |
| CN212060672U (en) * | 2020-05-25 | 2020-12-01 | 新三科技有限公司 | Junction box for laying optical cable |
-
2020
- 2020-05-25 CN CN202010447944.9A patent/CN111474653B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011128813A1 (en) * | 2010-04-16 | 2011-10-20 | Tyco Electronics (Shanghai) Co. Ltd. | Optical fiber cable junction box |
| CN102331609A (en) * | 2010-07-13 | 2012-01-25 | 泰科电子(上海)有限公司 | Optical fiber terminal box |
| CN205404905U (en) * | 2016-01-29 | 2016-07-27 | 杭州七友通信科技有限公司 | Cable connection box |
| CN105977898A (en) * | 2016-06-06 | 2016-09-28 | 济南轩天机电科技有限公司 | Fireproof explosion-proof combination structure at power cable joint of electric power system and application method |
| CN207908758U (en) * | 2018-02-28 | 2018-09-25 | 江苏辐镭光电设备有限公司 | A kind of cable splice closure of fixing compact |
| CN208433725U (en) * | 2018-06-15 | 2019-01-25 | 京信通信***（中国）有限公司 | Outgoing line sealing structure and antenna |
| CN209132487U (en) * | 2018-12-25 | 2019-07-19 | 咸宁市信通科技有限公司 | A kind of terminal box for fiber cable laying |
| CN209746215U (en) * | 2019-04-22 | 2019-12-06 | 兰宇通信有限公司 | Communication optical cable joint box |
| CN212060672U (en) * | 2020-05-25 | 2020-12-01 | 新三科技有限公司 | Junction box for laying optical cable |
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| Publication number | Publication date |
|---|---|
| CN111474653A (en) | 2020-07-31 |
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