CN110806628A - Fireproof and waterproof optical cable joint box - Google Patents
Fireproof and waterproof optical cable joint box Download PDFInfo
- Publication number
- CN110806628A CN110806628A CN201911208115.9A CN201911208115A CN110806628A CN 110806628 A CN110806628 A CN 110806628A CN 201911208115 A CN201911208115 A CN 201911208115A CN 110806628 A CN110806628 A CN 110806628A
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- CN
- China
- Prior art keywords
- box cover
- optical cable
- lid
- waterproof
- mounting box
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- 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.)
- Pending
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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
Abstract
The invention relates to the field of communication equipment, and particularly discloses a fireproof and waterproof optical cable joint box which comprises an upper box cover and a lower box cover, wherein optical cable leading-out ports are formed in two ends of the upper box cover and the lower box cover; the middle part of the lower box cover is provided with a mounting box, the mounting box is provided with a box cover, the box cover is hinged with the mounting box, a fiber melting disc is arranged in the mounting box, the two sides of the mounting box are provided with an optical cable inlet and an optical cable outlet, and the top of the box cover and a gap sealed with the mounting box are coated with silica gel, so that the mounting box forms a sealed structure; go up lid and lower lid make by the anti board that falls of resistance to compression, be provided with waterproof limit chamber on the face of lid and last lid contact laminating down, be provided with waterproof rubber cotton on the face of going up lid and lower lid contact laminating, the lower lid in the waterproof limit chamber outside is provided with the bar seal groove on the surface, goes up lid fixed surface elastic sealing strip. The invention has the advantage of good fireproof and waterproof performance.
Description
Technical Field
The invention relates to the field of communication equipment, in particular to a fireproof and waterproof optical cable joint box.
Background
The optical cable joint box is a continuous protection device for providing optical and sealing box mechanical strength continuity between adjacent optical cables, is generally assembled by a box cover, a box bottom, a fiber melting disc, a sealing ring and the like, and is mainly suitable for direct connection and branch connection of aerial, pipeline and other laying modes of various structural optical cables. However, in the sealing structure of the existing optical cable joint box, the requirement on the matching precision of the sealing ring and the sealing groove is high, when external pressure is received, the sealing ring is prone to lateral deviation, so that the structure is unstable, local sealing fails, and the optical cable joint box does not have waterproof performance after the sealing ring fails, so that the use of the joint box is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a fireproof and waterproof optical cable joint box.
The purpose of the invention is realized by the following technical scheme: a fireproof and waterproof optical cable joint box comprises an upper box cover and a lower box cover, wherein optical cable leading-out ports are formed in two ends of the upper box cover and two ends of the lower box cover;
the middle part of the lower box cover is provided with a mounting box, the mounting box is provided with a box cover, the box cover is hinged with the mounting box, a fiber melting disc is arranged in the mounting box, the two sides of the mounting box are provided with an optical cable inlet and an optical cable outlet, and the top of the box cover and a gap sealed with the mounting box are coated with silica gel, so that the mounting box forms a sealed structure;
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 and a heat-resistant flame-retardant layer, and the resin substrate layer, the glass fiber layer and the heat-resistant flame-retardant layer are sequentially superposed and adhered together;
be provided with waterproof limit chamber on the face of lower lid and last lid contact laminating, be provided with waterproof rubber cotton on the face of going up lid and lower lid contact laminating, and waterproof rubber cotton and waterproof limit chamber mutually support, the lower lid in the waterproof limit chamber outside is provided with the bar seal groove on the surface, and upper cover surface mounting has elastic sealing strip, elastic sealing strip and bar seal groove mutually support.
Specifically, an elastic sealing rubber ring is arranged at an inlet and an outlet of the optical cable on the mounting box, and the inner diameter of the elastic sealing rubber ring is smaller than the outer diameter of the optical cable.
Specifically, an expandable graphite layer is arranged between the heat-resistant flame-retardant layer and the glass fiber board layer.
Specifically, the cavity formed by the upper box cover and the lower box cover is filled with absorbent cotton.
Specifically, the outer sides of the upper box cover and the lower box cover are both provided with fins, and the fins of the upper box cover and the fins of the lower box cover are fixedly connected through bolts.
Specifically, the corner positions of the lower box cover on the two sides of the elastic sealing strip are respectively fixed with a positioning cylinder, and the surface of the lower box cover on the outer side of the positioning cylinder is provided with an annular sinking groove.
Specifically, a thread tooth-shaped sealing ring is arranged on the optical cable outlet.
Specifically, a reinforced core fixing device is arranged at the opposite position of the optical cable leading-out opening in the lower box cover.
Specifically, the corner positions of the upper box cover on two sides of the elastic sealing strip are provided with positioning columns, and the positioning columns are matched with the positioning cylinders.
Specifically, ribbed plates are arranged in the lower box cover and the upper box cover.
The invention has the following advantages:
1. the fiber melting box is arranged in the mounting box, and the mounting box can be sealed through the box cover, so that the fiber melting box is designed, the fiber melting disc is arranged in the mounting box, and the fiber melting disc is effectively prevented from being damaged by water entering the lower box cover.
2. The mounting box carries out closed sealed back through the lid, at the sealed gap department coating of lid and mounting box silica gel of using of sealing, coating silica gel is connected the back coating at the optical cable, makes the sealing performance of mounting box further promote behind the coating silica gel, makes it reach totally enclosed effect, even if there is water to get into down in the lid again can not break melting in the mounting box like this, effectively carries out the secondary protection.
3. 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 and a heat-resistant flame-retardant layer, and the resin substrate layer, the glass fiber layer and the heat-resistant flame-retardant layer are sequentially superposed and adhered together; on the basis of water resistance, the fireproof performance of the joint box is improved.
Drawings
FIG. 1 is a schematic structural diagram A of the present invention;
FIG. 2 is a schematic structural diagram B of the present invention;
FIG. 3 is a schematic view of the upper case cover structure of the present invention;
FIG. 4 is a schematic view of the installation structure of the elastic sealing rubber ring of the present invention;
FIG. 5 is a schematic view of the material structure of the upper case cover and the lower case cover;
in the figure: 1-optical cable outlet, 2-strip sealing groove, 3-reinforcing core fixing device, 4-lower box cover, 5-waterproof side cavity, 6-fiber melting disc, 7-mounting box, 8-flash, 9-resin base material layer, 10-glass fiber layer, 11-expandable graphite layer, 12-heat-resistant flame-retardant layer, 13-box cover, 14-elastic sealing rubber ring, 15-rib plate, 16-upper box cover, 17-elastic sealing strip and 18-waterproof rubber cotton.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1 to 5, a fireproof and waterproof optical cable joint box comprises an upper box cover 16 and a lower box cover 4, wherein optical cable leading-out ports 1 are arranged at two ends of the upper box cover 16 and the lower box cover 4; in the embodiment, two optical cable leading-out ports 1 are arranged at each end, semicircular optical cable inlets are arranged on the upper cover box 16 and the lower cover box 4, and the upper cover box 16 and the lower cover box 4 are combined to form a complete circular optical cable leading-out port 1;
the middle part of the lower box cover 4 is provided with a mounting box 7, the mounting box 7 is provided with a box cover 13, the box cover 13 is hinged with the mounting box 7, a fiber melting disc 6 is arranged in the mounting box 7, two sides of the mounting box 7 are provided with an optical cable inlet and outlet, and the top of the box cover 13 and a gap sealed with the mounting box 7 are coated with silica gel, so that the mounting box 7 forms a sealed structure; when the optical fiber cable is used, the optical fiber cable enters the lower box cover 4 from the optical fiber leading-out port 1 and is connected with the fiber melting disc 6 in the mounting box 7, in the embodiment, the fiber melting box 6 is arranged in the mounting box 7, and the mounting box 7 can be sealed through the box cover 13, so that the purpose of arrangement is that the fiber melting disc 6 in the prior art is directly arranged on the lower box cover 6, the arrangement is problematic in that when water enters the upper box cover, the fiber melting disc 6 is directly damaged, the waterproof effect is poor, the prior art only considers how to prevent the water from entering, and does not consider the subsequent waterproof problem after the water enters the lower box cover 4 through the sealing ring, from this point of view, the mounting box 7 is designed, the fiber melting disc 6 is arranged in the mounting box 7, the fiber melting disc 6 is effectively prevented from being damaged by the water entering the lower box cover 4, and after the mounting box 7 is closed and sealed through the box cover 13, the silica gel for sealing is coated at the gaps between the box cover 13 and the sealing between the box cover 13 and the mounting box 7, the coated silica gel is coated after the optical cable is connected, the sealing performance of the mounting box 7 is further improved after the coated silica gel is coated, and the mounting box 7 can achieve the effect of complete sealing, so that the fiber melting disc 6 can not be damaged in the mounting box 7 even if water enters the lower box cover, and secondary protection is effectively performed.
The upper box cover 16 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 9, a glass fiber plate layer 10 and a heat-resistant and flame-retardant layer 12, and the resin base material layer 9, the glass fiber layer 10 and the heat-resistant and flame-retardant layer 12 are sequentially overlapped and adhered together; on waterproof basis, improve the fire behavior of splice box again, improve the fire behavior and start from the material of splice box, use the material of fire prevention, go up lid 16 and the outer resin substrate layer 9 that uses of lower lid 4, the inlayer uses glass fiber and heat-resisting fire-retardant layer 12, the optical cable splice box among the prior art generally adopts PC plastics or ABS + PC plastic casing, ordinary rubber materials fire behavior is limited, can not play fine fire prevention effect, and this embodiment adopts glass fiber and heat-resisting fire-retardant layer to carry out fire-retardant, can reach fine fire prevention effect.
Be provided with waterproof limit chamber 5 on the face of lower lid 4 and the 16 contact laminatings of last lid, go up lid 16 and be provided with waterproof rubber cotton 18 on the face of the 4 contact laminatings of lower lid, and waterproof rubber cotton 18 and waterproof limit chamber 5 mutually support, the lower lid 16 in the 5 outsides in waterproof limit chamber is provided with bar seal groove 2 on the surface, goes up lid 16 fixed surface elastic sealing strip 17, elastic sealing strip 17 mutually supports with bar seal groove 2, reaches dual waterproof effect, forms first waterproof defence line.
Furthermore, an elastic sealing rubber ring 14 is arranged at an inlet and an outlet of the optical cable on the mounting box 7, the inner diameter of the elastic sealing rubber ring 14 is smaller than the outer diameter of the optical cable, when the optical cable is used, the optical cable enters the mounting box 7 through the inner hole of the elastic sealing rubber ring 14, the inner diameter of the arranged elastic sealing rubber ring 14 is smaller than the outer diameter of the used optical cable, the elastic sealing rubber rings 14 with different inner diameters can be used according to different optical cables, so that the elastic sealing rubber ring 14 is in close contact with the optical cable, and the interference fit assembly relation is formed by utilizing the high elasticity of the elastic sealing rubber ring 14, so that the sealing effect is achieved.
Furthermore, an expandable graphite layer 11 is arranged between the heat-resistant flame-retardant layer 12 and the glass fiber board layer 10, and the expandable graphite layer 11 is arranged to rapidly expand to isolate air when a fire is fired, so that the air is prevented from entering the joint box, and a fireproof effect is achieved.
Further, the cavity that upper box cover 16 and lower box cover 4 formed is filled with the cotton that absorbs water, the cotton effect that absorbs water in will getting into the splice box, prevent that water from flowing at will in the splice box, can also fill the quick lime in the cotton that absorbs water when using, just can react the back with water and absorb after filling quick lime, if only set up the cotton that absorbs water, only adsorb water on the cotton that absorbs water, and water still exists in the splice box, just so there is the hidden danger, after having filled quick lime, just can react with quick lime, consume water completely, form dry environment.
Furthermore, the outer sides of the upper box cover 16 and the lower box cover 4 are both provided with a flange 8, the upper box cover 16 and the flange 8 of the lower box cover 4 are fixedly connected through bolts, the arranged flanges 8 are used for connecting the upper box cover 16 and the lower box cover 4 to form a finished joint box, meanwhile, a connecting hole is formed in the box body between the optical cable leading-out ports 1 at the two ends of the upper box cover 16 and the lower box cover 4, and the two ends of the upper box cover 16 and the two ends of the lower box cover 4 are connected through bolts.
Furthermore, the corner positions of the lower box cover 4 at the two sides of the elastic sealing strip 17 are both fixed with a positioning cylinder, and the surface of the lower box cover 4 at the outer side of the positioning cylinder is provided with an annular sinking groove for positioning the upper box cover 16 and the lower box cover 4.
Further, a thread tooth-shaped sealing ring is arranged on the optical cable outlet 1, and the thread tooth-shaped sealing ring seals the optical cable outlet 1.
Furthermore, a reinforcing core fixing device 3 is arranged at the opposite position of the optical cable outlet 1 in the lower box cover 4.
Furthermore, the corner positions of the upper box cover 16 on both sides of the elastic sealing strip 17 are provided with positioning columns, and the positioning columns are matched with the positioning cylinders, so that the upper box cover 16 and the lower box cover 4 are positioned.
Furthermore, rib plates 15 are arranged in the lower box cover 4 and the upper box cover 16, and the arranged rib plates 15 can enhance the strength of the upper box cover 16 and the lower box cover 4.
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 (10)
1. The utility model provides a fire-proof waterproof's optical cable splice box which characterized in that: the optical cable connector comprises an upper box cover (16) and a lower box cover (4), wherein optical cable leading-out ports (1) are arranged at two ends of the upper box cover (16) and the lower box cover (4);
a mounting box (7) is arranged in the middle of the lower box cover (4), a box cover (13) is arranged on the mounting box (7), the box cover (13) is hinged to the mounting box (7), a fiber melting disc (6) is arranged in the mounting box (7), an optical cable inlet and an optical cable outlet are arranged on two sides of the mounting box (7), and silica gel is coated on the top of the box cover (13) and a gap sealed with the mounting box (7) to enable the mounting box (7) to form a sealed structure;
the upper box cover (16) 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 (9), a glass fiber plate layer (10) and a heat-resistant flame-retardant layer (12), and the resin base material layer (9), the glass fiber layer (10) and the heat-resistant flame-retardant layer (12) are sequentially stacked and adhered together;
be provided with waterproof limit chamber (5) on the face of lid (4) and last lid (16) contact laminating down, go up lid (16) and be provided with waterproof rubber cotton (18) on the face of lid (4) contact laminating down, and waterproof rubber cotton (18) and waterproof limit chamber (5) mutually support, the lower lid (16) in waterproof limit chamber (5) outside is provided with bar seal groove (2) on the surface, goes up lid (16) fixed surface elastic sealing strip (17), elastic sealing strip (17) and bar seal groove (2) mutually support.
2. A fire and water resistant cable closure according to claim 1, wherein: and elastic sealing rubber rings (14) are arranged on the optical cable inlet and outlet on the mounting box (7), and the inner diameter of the elastic sealing rubber rings is smaller than the outer diameter of the optical cable.
3. A fire and water resistant cable closure according to claim 1, wherein: an expandable graphite layer (11) is arranged between the heat-resistant flame-retardant layer (12) and the glass fiber board layer (10).
4. A fire and water resistant cable closure according to claim 1, wherein: and a cavity formed by the upper box cover (16) and the lower box cover (4) is filled with absorbent cotton.
5. A fire and water resistant cable closure according to claim 1, wherein: the outer sides of the upper box cover (16) and the lower box cover (4) are both provided with flash (8), and the upper box cover (16) and the flash (8) of the lower box cover (4) are fixedly connected through bolts.
6. A fire and water resistant cable closure according to claim 1, wherein: the corner positions of the lower box cover (4) at the two sides of the elastic sealing strip (17) are respectively fixed with a positioning cylinder, and the surface of the lower box cover (4) at the outer side of the positioning cylinder is provided with an annular sinking groove.
7. A fire and water resistant cable closure according to claim 1, wherein: the optical cable outlet (1) is provided with a thread tooth-shaped sealing ring.
8. A fire and water resistant cable closure according to claim 1, wherein: and a reinforcing core fixing device (3) is arranged at the opposite position of the optical cable leading-out port (1) in the lower box cover (4).
9. A fire and water resistant cable closure according to claim 6, wherein: and the corner positions of the upper box cover (16) at the two sides of the elastic sealing strip (17) are provided with positioning columns, and the positioning columns are matched with the positioning cylinders.
10. A fire and water resistant cable closure according to claim 1, wherein: ribbed plates (15) are arranged in the lower box cover (4) and the upper box cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208115.9A CN110806628A (en) | 2019-11-30 | 2019-11-30 | Fireproof and waterproof optical cable joint box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208115.9A CN110806628A (en) | 2019-11-30 | 2019-11-30 | Fireproof and waterproof optical cable joint box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110806628A true CN110806628A (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208115.9A Pending CN110806628A (en) | 2019-11-30 | 2019-11-30 | Fireproof and waterproof optical cable joint box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110806628A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325529A (en) * | 2021-04-07 | 2021-08-31 | 国网浙江省电力有限公司金华供电公司 | Waterproof optical cable splice closure |
| CN113419317A (en) * | 2021-04-07 | 2021-09-21 | 国网浙江省电力有限公司金华供电公司 | Distribution frame optical cable splice closure |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915465A (en) * | 1995-06-27 | 1997-01-17 | Nec Eng Ltd | Optical submarine branching device |
| US6085013A (en) * | 1997-10-09 | 2000-07-04 | The Furukawa Electric Co., Ltd. | Optical cable closure |
| US6427045B1 (en) * | 2000-03-08 | 2002-07-30 | Marconi Communications, Inc. | Splice tray for use in splicing fiber optic cables and housing therefor |
| CN204116662U (en) * | 2014-09-15 | 2015-01-21 | 泉州市安邦通信设备有限公司 | A kind of antivibration ejector half cable splice closure |
| CN204886100U (en) * | 2015-08-13 | 2015-12-16 | 江苏格瑞塑胶有限公司 | High voltage power cable protection tube |
| CN207457575U (en) * | 2017-11-21 | 2018-06-05 | 河北东川网络技术有限公司 | A kind of fiber termination box with screw hook |
| CN207867087U (en) * | 2017-12-16 | 2018-09-14 | 高焕云 | A kind of outdoor optical cable connector box |
| CN208013499U (en) * | 2018-02-24 | 2018-10-26 | 中国移动通信集团有限公司 | A kind of cable splice closure |
| CN208076793U (en) * | 2018-04-25 | 2018-11-09 | 杭州宏光通信设备有限公司 | A kind of cable splice closure of fast assembling-disassembling |
| CN109449661A (en) * | 2018-10-31 | 2019-03-08 | 四川创未网络科技有限公司 | It is a kind of can underwater pluggable insulation connection seat, connector and implementation method |
| CN209117932U (en) * | 2018-12-22 | 2019-07-16 | 河北东方祥瑞通信技术有限公司 | A kind of cable splice closure of dual waterproof construction |
| CN209117937U (en) * | 2018-12-25 | 2019-07-16 | 河北东方祥瑞通信技术有限公司 | A kind of resistance to compression drop resistant type cable splice closure |
| CN209488134U (en) * | 2019-01-22 | 2019-10-11 | 天津伸和有限公司 | Improve the pre-buried shell of wire and cable service life |
-
2019
- 2019-11-30 CN CN201911208115.9A patent/CN110806628A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915465A (en) * | 1995-06-27 | 1997-01-17 | Nec Eng Ltd | Optical submarine branching device |
| US6085013A (en) * | 1997-10-09 | 2000-07-04 | The Furukawa Electric Co., Ltd. | Optical cable closure |
| US6427045B1 (en) * | 2000-03-08 | 2002-07-30 | Marconi Communications, Inc. | Splice tray for use in splicing fiber optic cables and housing therefor |
| CN204116662U (en) * | 2014-09-15 | 2015-01-21 | 泉州市安邦通信设备有限公司 | A kind of antivibration ejector half cable splice closure |
| CN204886100U (en) * | 2015-08-13 | 2015-12-16 | 江苏格瑞塑胶有限公司 | High voltage power cable protection tube |
| CN207457575U (en) * | 2017-11-21 | 2018-06-05 | 河北东川网络技术有限公司 | A kind of fiber termination box with screw hook |
| CN207867087U (en) * | 2017-12-16 | 2018-09-14 | 高焕云 | A kind of outdoor optical cable connector box |
| CN208013499U (en) * | 2018-02-24 | 2018-10-26 | 中国移动通信集团有限公司 | A kind of cable splice closure |
| CN208076793U (en) * | 2018-04-25 | 2018-11-09 | 杭州宏光通信设备有限公司 | A kind of cable splice closure of fast assembling-disassembling |
| CN109449661A (en) * | 2018-10-31 | 2019-03-08 | 四川创未网络科技有限公司 | It is a kind of can underwater pluggable insulation connection seat, connector and implementation method |
| CN209117932U (en) * | 2018-12-22 | 2019-07-16 | 河北东方祥瑞通信技术有限公司 | A kind of cable splice closure of dual waterproof construction |
| CN209117937U (en) * | 2018-12-25 | 2019-07-16 | 河北东方祥瑞通信技术有限公司 | A kind of resistance to compression drop resistant type cable splice closure |
| CN209488134U (en) * | 2019-01-22 | 2019-10-11 | 天津伸和有限公司 | Improve the pre-buried shell of wire and cable service life |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325529A (en) * | 2021-04-07 | 2021-08-31 | 国网浙江省电力有限公司金华供电公司 | Waterproof optical cable splice closure |
| CN113419317A (en) * | 2021-04-07 | 2021-09-21 | 国网浙江省电力有限公司金华供电公司 | Distribution frame optical cable splice closure |
| CN113419317B (en) * | 2021-04-07 | 2023-10-24 | 国网浙江省电力有限公司金华供电公司 | Optical cable splice closure of distribution frame |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200218 |
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| RJ01 | Rejection of invention patent application after publication |