CN110780406A - Optical cable joint box with strong pressure resistance - Google Patents
Optical cable joint box with strong pressure resistance Download PDFInfo
- Publication number
- CN110780406A CN110780406A CN201911208100.2A CN201911208100A CN110780406A CN 110780406 A CN110780406 A CN 110780406A CN 201911208100 A CN201911208100 A CN 201911208100A CN 110780406 A CN110780406 A CN 110780406A
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- China
- Prior art keywords
- box cover
- lower box
- upper box
- support
- 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
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to the field of optical cable joint boxes, and particularly discloses an optical cable joint box with strong pressure resistance, which comprises an upper box cover and a lower box cover, wherein the upper box cover and the lower box cover are spliced into a box body; the upper box cover and the lower box cover are made of compression-resistant and anti-falling plates, the middle part of the lower box cover is provided with a fiber melting box, the upper box cover is internally provided with buffering silica gel, and the buffering silica gel is positioned above the fiber melting box; the combination surface of the upper box cover and the lower box cover is concave-convex, namely, a concave sealing groove is arranged at the edge of one of the upper box cover and the lower box cover, and a convex step surface matched with the concave sealing groove is arranged at the other edge of the upper box cover and the lower box cover. The invention has the advantage that the bracket is arranged in the optical cable joint box, so that the pressure resistance of the joint box is enhanced.
Description
Technical Field
The invention relates to the field of optical cable joint boxes, in particular to an optical cable joint box with strong pressure resistance.
Background
The optical cable joint box is used for connecting two or more optical cables together and is provided with a splicing part of a protective component, is necessary to be adopted in the engineering construction of optical cable lines and is one of very important equipment, and the quality of the optical cable joint box directly influences the quality of the optical cable lines and the service life of the optical cable lines.
The box body is made of imported reinforced plastic, so that the strength is high, the joint box is corrosion-resistant, the joint box is suitable for connection in a terminal machine room of a structural optical cable, the structure is mature, the sealing is reliable, and the construction is convenient. Widely used in communications, network systems, CATV cable television, optical cable network systems, etc. The right side is provided with a two-in two-out joint box; the optical fiber distribution cable is used for protective connection and optical fiber distribution between two or more optical cables, is one of common devices of a user access point, mainly completes the outdoor connection function of a distribution optical cable and an optical cable of a service line, and can be provided with a box type or simple optical splitter according to the FTTX access requirement. The optical cable joint box in the prior art generally adopts a PC plastic (resin) or ABS + PC (resin) plastic shell, has poor compression resistance and falling resistance, and reduces the service life of the optical cable joint box.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an optical cable joint box with strong pressure resistance, which has good pressure resistance.
The purpose of the invention is realized by the following technical scheme: an optical cable joint box with strong pressure resistance comprises an upper box cover and a lower box cover, wherein the upper box cover and the lower box cover are spliced to form a box body, optical cable burying holes are formed in two ends of the box body, and the optical cable burying holes are formed by splicing semi-circular holes formed in the upper box body and the lower box body;
the upper box cover and the lower box cover are made of compression-resistant and drop-resistant plates, each compression-resistant and drop-resistant plate comprises a resin substrate layer, a glass fiber plate layer, a metal mesh layer and a heat-resistant flame-retardant layer, and the resin substrate layer, the glass fiber layer, the metal mesh layer and the heat-resistant flame-retardant layer are sequentially superposed and adhered together;
the middle part of the lower box cover is provided with a fiber melting box, the upper box cover is internally provided with buffering silica gel, and the buffering silica gel is positioned above the fiber melting box;
the combined surface of the upper box cover and the lower box cover is concave-convex, namely a concave sealing groove is arranged at the edge of one of the upper box cover and the lower box cover, a convex stepped surface matched with the concave sealing groove is arranged at the other edge of the upper box cover and the lower box cover, and a concave-convex sealing ring matched with the concave sealing groove and the convex stepped surface is arranged between the upper box cover and the lower box cover;
a first support is arranged in the upper box cover, a second support is arranged in the lower box cover, and the first support and the second support are respectively attached to the inner surfaces of the upper box cover and the lower box cover.
Specifically, the relative position that lies in optical cable and buries the hole in the lower box cover is provided with and strengthens core fixing device.
Specifically, the first support and the second support are bonded in the upper box cover and the lower box cover.
Specifically, the first support and the second support are both metal hollow supports.
Specifically, the side edges of the upper box cover and the lower box cover are provided with flanges, mounting holes are formed in the flanges, and the flanges of the upper box cover and the lower box cover are connected together through bolts to fix the upper box cover and the lower box cover.
Specifically, a tooth-shaped sealing ring is arranged in the optical cable burying hole.
Specifically, the second support on be provided with a plurality of connecting sleeve, connecting sleeve in be provided with the spring, the first support in the upper box lid on be provided with the connecting rod, the one end of connecting rod arrange in the connecting sleeve with connecting sleeve sliding fit.
Specifically, the inner cavities of the upper box cover and the lower box cover are arc-shaped inner cavities.
The invention has the following advantages:
1. the strength of the optical cable joint box can be greatly improved by additionally arranging the bracket, the deformation of the optical cable joint box can be reduced when the first bracket and the second bracket are stressed, and the effect of arranging the bracket is obviously better than that of not arranging the bracket when the same force is borne.
2. When lid and lower lid are being installed in the installation, the connecting rod that sets up in the lid will be gone up and in inserting the connecting sleeve that sets up in the lid down, can form the support to first support and second support in the optical cable splice box, when the optical cable splice box received external force and destroys, first support and second support are in the regional support that forms part that has the region that sets up connecting sleeve and connecting rod, strengthen the compressive capacity of first support and second support, be provided with the spring simultaneously in the connecting sleeve, the spring of setting can play the effect of buffering when the atress.
Drawings
FIG. 1 is a schematic structural view of a lower case cover according to the present invention;
FIG. 2 is a schematic structural view of the upper case cover of the present invention;
FIG. 3 is a schematic structural view of a compression-resistant and drop-resistant plate according to the present invention;
in the figure: 1-optical cable burying hole, 2-concave-convex sealing ring, 3-reinforcing core fixing device, 4-lower box cover, 5-spring, 6-fiber melting box, 7-second bracket, 8-flash, 9-connecting sleeve, 10-concave sealing groove, 11-convex step surface, 12-first bracket, 13-upper box cover, 14-buffer silica gel, 15-tooth-shaped sealing ring, 16-connecting rod, 17-resin base material layer, 18-glass fiber board layer, 19-metal net layer and 20-heat-resistant flame-retardant layer.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, an optical cable joint box with strong pressure resistance comprises an upper box cover 13 and a lower box cover 4, wherein the upper box cover 13 and the lower box cover 4 are spliced to form a box body, optical cable burying holes 1 are formed in two ends of the box body, and the optical cable burying holes 1 are formed by splicing semi-circular arc holes formed in the upper box body 13 and the lower box body 4;
the upper box cover 13 and the lower box cover 4 are made of compression-resistant and drop-resistant plates, the compression-resistant and drop-resistant plates comprise a resin base material layer 17, a glass fiber plate layer 18, a metal mesh layer 19 and a heat-resistant flame-retardant layer 20, and the resin base material layer 17, the glass fiber layer 18, the metal mesh layer 19 and the heat-resistant flame-retardant layer 20 are sequentially overlapped and adhered together; in the prior art, the box body is mostly made of pure rubber materials, the mechanical property is poor, the box body is easy to deform under stress, and the sealing property of the optical cable joint box made of the rubber materials can fail after the optical cable joint box is deformed under stress, so that the optical cable can be damaged;
the middle part of the lower box cover 4 is provided with a fiber melting box 6, the upper box cover 13 is internally provided with buffer silica gel 14, and the buffer silica gel 14 is positioned above the fiber melting box 6; when the optical cable joint box is damaged by external force, the shell collapses, the shell is likely to be directly pressed on the fiber melting box 6, if the shell is directly pressed on the fiber melting box 6, the fiber melting box 6 is seriously damaged, the optical cable is disconnected, the network is broken, and the use of a user is influenced; in the invention, the buffering silica gel 14 is arranged above the fiber melting box 6, namely inside the upper box cover 13, and the buffering cushion can be arranged between the fiber melting box 6 and the lower box cover 4, so that the upper surface and the lower surface of the fiber melting box 6 are protected, the fiber melting box 6 can be prevented from being directly extruded to damage when the optical cable joint box is damaged, and a certain buffering effect is achieved.
The combination surface of the upper box cover 13 and the lower box cover 4 is concave-convex, namely, a concave sealing groove 10 is arranged at the edge of one of the upper box cover 13 and the lower box cover 4, a convex step surface 11 matched with the concave sealing groove 10 is arranged at the other edge of the upper box cover 13 and the lower box cover 4, and a concave-convex sealing ring 2 matched with the concave sealing groove 10 and the convex step surface 11 is arranged between the upper box cover 13 and the lower box cover 4;
the inner cavities of the upper box cover 13 and the lower box cover 4 are both arc-shaped inner cavities, a first support 12 is arranged in the upper box cover 13, a second support 7 is arranged in the lower box cover 4, the first support 12 and the second support 7 are bonded in the upper box cover 13 and the lower box cover 4, the first support 12 and the second support 7 are respectively bonded with the inner surfaces of the upper box cover 13 and the lower box cover 4, the first support 12 and the second support 7 are both arc-shaped and are tightly bonded with the inner cavities of the upper box cover 13 and the lower box cover 4, the arc-shaped structure has better force bearing effect and can bear larger force when stressed, the first support 12 and the second support 7 are arranged for the purpose of additionally adding the supports to enhance the compressive strength of the splice box, the existing optical cable splice box adopts a plurality of reinforcing ribs arranged in the box to enhance the strength of the splice box, the defects of the structure are obvious, and the enhancing degree is limited, the strength of the optical cable joint box can be greatly improved by additionally arranging the bracket, the deformation of the optical cable joint box can be reduced when the first bracket 12 and the second bracket 7 are stressed, and the effect of arranging the brackets is obviously better than that of not arranging the brackets when the same force is borne, so that the first bracket 12 and the second bracket 7 arranged in the invention can well protect the optical cable joint box, and the strength of the optical cable joint box is greatly enhanced.
Furthermore, a reinforcing core fixing device 3 is arranged at the opposite position of the optical cable burying hole 1 in the lower box cover 4, and the reinforcing core fixing device 3 fixes the optical cable when the optical cable enters the optical cable joint box.
Furthermore, the first support 12 and the second support 7 are both metal hollow supports, and the first support 12 and the second support 7 are in hollow structures, so that the manufacturing cost is reduced, and the stress effect of the hollow structures is better.
Furthermore, the side edges of the upper box cover 13 and the lower box cover 4 are provided with fins 8, the fins 8 are provided with mounting holes, and the upper box cover 13 and the lower box cover 4 are fixed together by connecting the fins 8 of the upper box cover 13 and the lower box cover 4 through bolts.
Furthermore, a tooth-shaped sealing ring 15 is arranged in the optical cable embedding hole 1.
Furthermore, a plurality of connecting sleeves 9 are arranged on the second bracket 12, springs 5 are arranged in the connecting sleeves 9, a connecting rod 16 is arranged on the first bracket 7 in the upper box cover 13, one end of the connecting rod 16 is arranged in the connecting sleeve 9 and is in sliding fit with the connecting sleeve 9, when the upper box cover 13 and the lower box cover 4 are installed, the connecting rod 16 arranged in the upper box cover 13 is inserted into the connecting sleeve 9 arranged in the lower box cover 4, so that the first bracket 12 and the second bracket 7 can be supported in the optical cable joint box, when the optical cable joint box is damaged by external force, the first bracket 12 and the second bracket 7 form local support in the area provided with the connecting sleeve 9 and the connecting rod 16, the pressure resistance of the first bracket 12 and the second bracket 7 is enhanced, meanwhile, a spring 5 is arranged in the connecting sleeve 9, and the arranged spring 5 can play a role in buffering when stressed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (8)
1. The utility model provides an optical cable splice box with strong compressive capacity which characterized in that: the cable embedded connection box comprises an upper box cover (13) and a lower box cover (4), wherein the upper box cover (13) and the lower box cover (4) are spliced to form a box body, optical cable embedded connection holes (1) are formed in two ends of the box body, and the optical cable embedded connection holes (1) are formed by splicing semicircular arc holes formed in the upper box body (13) and the lower box body (4);
the upper box cover (13) and the lower box cover (4) are made of compression-resistant and drop-resistant plates, each compression-resistant and drop-resistant plate comprises a resin base material layer (17), a glass fiber plate layer (18), a metal mesh layer (19) and a heat-resistant flame-retardant layer (20), and the resin base material layer (17), the glass fiber layer (18), the metal mesh layer (19) and the heat-resistant flame-retardant layer (20) are sequentially overlapped and adhered together;
the fiber melting box (6) is arranged in the middle of the lower box cover (4), the buffering silica gel (14) is arranged in the upper box cover (13), and the buffering silica gel (14) is positioned above the fiber melting box (6);
the combined surface of the upper box cover (13) and the lower box cover (4) is concave-convex, namely a concave sealing groove (10) is arranged at the edge of one of the upper box cover (13) and the lower box cover (4), a convex step surface (11) matched with the concave sealing groove (10) is arranged at the other edge of the upper box cover and the lower box cover, and a concave-convex sealing ring (2) matched with the concave sealing groove (10) and the convex step surface (11) is arranged between the upper box cover (13) and the lower box cover (4);
a first support (12) is arranged in the upper box cover (13), a second support (7) is arranged in the lower box cover (4), and the first support (12) and the second support (7) are respectively attached to the inner surfaces of the upper box cover (13) and the lower box cover (4).
2. A cable closure having increased pressure resistance as defined in claim 1, wherein: and a reinforcing core fixing device (3) is arranged at the opposite position of the optical cable burying hole (1) in the lower box cover (4).
3. A cable closure having increased pressure resistance as defined in claim 1, wherein: the first support (12) and the second support (7) are bonded in the upper box cover (13) and the lower box cover (4).
4. A cable closure having increased pressure resistance as defined in claim 1, wherein: the first support (12) and the second support (7) are both metal hollow supports.
5. A cable closure having increased pressure resistance as defined in claim 1, wherein: the side of the upper box cover (13) and the side of the lower box cover (4) are provided with flashes (8), the flashes (8) are provided with mounting holes, and the flashes (8) of the upper box cover (13) and the lower box cover (4) are connected together through bolts to fix the upper box cover (13) and the lower box cover (4).
6. A cable closure having increased pressure resistance as defined in claim 1, wherein: and a tooth-shaped sealing ring (15) is arranged in the optical cable embedding hole (1).
7. A cable closure having increased pressure resistance as defined in claim 1, wherein: the novel multifunctional box is characterized in that a plurality of connecting sleeves (9) are arranged on the second support (7), springs (5) are arranged in the connecting sleeves (9), a connecting rod (16) is arranged on the first support (12) in the upper box cover (13), and one end of the connecting rod (16) is arranged in the connecting sleeves (9) and is in sliding fit with the connecting sleeves (9).
8. A cable closure having increased pressure resistance as defined in claim 1, wherein: the inner cavities of the upper box cover (13) and the lower box cover (4) are arc-shaped inner cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208100.2A CN110780406B (en) | 2019-11-30 | 2019-11-30 | Optical cable joint box with strong pressure resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208100.2A CN110780406B (en) | 2019-11-30 | 2019-11-30 | Optical cable joint box with strong pressure resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110780406A true CN110780406A (en) | 2020-02-11 |
| CN110780406B CN110780406B (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208100.2A Active CN110780406B (en) | 2019-11-30 | 2019-11-30 | Optical cable joint box with strong pressure resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110780406B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415689A (en) * | 2020-12-08 | 2021-02-26 | 四川天邑康和通信股份有限公司 | Optical cable joint box |
| CN113777730A (en) * | 2021-09-25 | 2021-12-10 | 浙江宏盛通信技术有限公司 | Glue injection type optical cable joint box and glue injection method thereof |
| CN115508962A (en) * | 2022-09-05 | 2022-12-23 | 四川天邑康和通信股份有限公司 | Optical cable joint box suitable for connecting partial optical cable cores |
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| CN208868621U (en) * | 2018-07-19 | 2019-05-17 | 中睿通信规划设计有限公司 | One kind carrying protective housing for communication equipment |
| CN209117937U (en) * | 2018-12-25 | 2019-07-16 | 河北东方祥瑞通信技术有限公司 | Compression-resistant anti-falling type optical cable joint box |
| CN209471289U (en) * | 2019-04-15 | 2019-10-08 | 泉州市安邦通信设备有限公司 | A kind of abrasion-proof insulating connector box |
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2019
- 2019-11-30 CN CN201911208100.2A patent/CN110780406B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524035A1 (en) * | 1985-07-05 | 1987-01-08 | Standard Elektrik Lorenz Ag | Communication module |
| KR20110117639A (en) * | 2011-09-28 | 2011-10-27 | 양두영 | Outdoor cabinet with deal body type cover |
| CN202631795U (en) * | 2011-12-08 | 2012-12-26 | 杭州首航实业有限公司 | Enhanced outdoor optical cable joint box |
| CN202651721U (en) * | 2012-05-31 | 2013-01-02 | 中天宽带技术有限公司 | Optical fiber composite low-voltage cable (OPLC) joint box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415689A (en) * | 2020-12-08 | 2021-02-26 | 四川天邑康和通信股份有限公司 | Optical cable joint box |
| CN113777730A (en) * | 2021-09-25 | 2021-12-10 | 浙江宏盛通信技术有限公司 | Glue injection type optical cable joint box and glue injection method thereof |
| CN115508962A (en) * | 2022-09-05 | 2022-12-23 | 四川天邑康和通信股份有限公司 | Optical cable joint box suitable for connecting partial optical cable cores |
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| Publication number | Publication date |
|---|---|
| CN110780406B (en) | 2020-08-04 |
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