CN105116507B - A kind of optical cable high-efficiency sealing device - Google Patents
A kind of optical cable high-efficiency sealing device Download PDFInfo
- Publication number
- CN105116507B CN105116507B CN201510597986.XA CN201510597986A CN105116507B CN 105116507 B CN105116507 B CN 105116507B CN 201510597986 A CN201510597986 A CN 201510597986A CN 105116507 B CN105116507 B CN 105116507B
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- CN
- China
- Prior art keywords
- crushing block
- sealed body
- optical cable
- sealing
- sealing element
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Classifications
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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
- G02B6/44465—Seals
-
- 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
- G02B6/4442—Cap coupling boxes
- G02B6/4444—Seals
Abstract
The invention discloses a kind of optical cable high-efficiency sealing device, including sealed body, crushing block, sealing element, sealed body is the cylinder with upper and lower opening and inner cavity；There is sealing element the inner cavity for allowing optical cable to pass through, sealing element to be set in the inner cavity of sealed body；Crushing block has the opening for allowing optical cable to pass through, crushing block and openings snap-fit on sealed body, sealing element to be fixed in sealed body inner cavity；There is sealed body sealing area formed therein, sealing area to be arranged one week along sealed body circumferential direction direction.Sealing element is fixed in sealed body by crushing block, forms a resealing；The line outlet of sealed body and cable junction box is fixedly mounted, sealing area on sealed body and two resealings are formed between the line outlet of cable junction box, pass through two resealings, substantially increase the sealing effect of cable junction box, this product is suitable for secondary production in batch, leakproofness is stablized, and is not easy to be affected by the external environment.
Description
Technical field
The invention belongs to optical communication equipment technologies, and in particular to a kind of cable sealing device.
Background technology
Existing cable connection end protective device, is also known as cable junction box, belongs to mechanical pressure joint sealing system, is phase
Optics, sealing and the successional Wiring protection device of mechanical strength are provided between adjacent optical cable.It is primarily adapted for use in various structure optical cables
The straight-through of the system of laying such as aerial, pipeline, direct-burried connects with branch.As a kind of currently used terminals protection device, light
Cable connects end protective device and has been widely used, and existing cable junction box is generally made of two and half boxes, is arranged between sealing
Pad, end set optical cable inlet wire or outlet hole, to realize sealing, the disengaging of pressure-bearing anti-impact and optical cable, connect.However, existing
Cable junction box sealing structure in, the cooperation required precision of gasket and seal groove is higher, when by external pressure, sealing
Pad is susceptible to lateral deviation and leads to that structure is unstable, partially sealed failure, furthermore, when cable junction box pressure-bearing, it is heated when, gasket
Softening and compressive deformation, are easy to happen local spilling, breakage, influence leakproofness.
Invention content
The present invention is in order to solve the problems, such as cable junction box poor sealing in the prior art and to provide a kind of optical cable efficient
Sealing device is used cooperatively with cable junction box, reaches secondary seal effect.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of optical cable high-efficiency sealing device is set to cable junction box line outlet, including sealed body, crushing block, sealing
Part,
Sealed body is the cylinder with upper and lower opening and inner cavity；
There is sealing element the inner cavity for allowing optical cable to pass through, sealing element to be set in the inner cavity of sealed body；
Crushing block has and allows the opening that passes through of optical cable, crushing block and openings snap-fit on sealed body, to by sealing element
It is fixed in sealed body inner cavity；
There is sealed body sealing area formed therein, sealing area to be arranged one week along sealed body circumferential direction direction,
It is sealed to be formed with cable junction box line outlet.
This cable sealing device, sealing element is passed through to hold optical cable circumferential direction tightly on optical cable when use, crushing block consolidates sealing element
It is scheduled in sealed body, forms a resealing；The line outlet of sealed body and cable junction box is fixedly mounted, on sealed body
Two resealings are formed between sealing area and the line outlet of cable junction box, by two resealings, substantially increase cable junction box
Sealing effect, simple in structure, required precision is relatively low, be suitable for secondary production in batch, leakproofness stablize, be not easy by external environment shadow
It rings.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, the crushing block subtracts with internal diameter
Small shoulder, allows a crushing block part to be inserted into sealed body, and shoulder designs the leakproofness for further improving this sealing device.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, under the sealed body in outlet
Diameter is less than seal outer diameter, and sealing element is limited in sealed body, prevents from shifting due to sliding seal, some or all of
Remove sealed body.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, the sealing element and sealed body
And gasket is equipped between crushing block, further increase the leakproofness of sealing device.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, the sealed body, crushing block,
Sealing element all has at least one opening, is convenient for the installation and dismounting of sealing device, it is uninterrupted to be particularly suitable for both ends endless
The sealing of optical cable, further, the sealed body, crushing block are two-piece type structure, sealing element can be two-piece type or
Person's sealing element be non-close tube structure, i.e., along sealing element axial direction have a cleaved facet, two end in contact of cleaved facet but
It is not connected.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, the crushing block includes crushing block
Parent and crushing block daughter are in axial direction equipped with notch on crushing block parent, are in axial direction equipped with and insert in crushing block daughter
The notch of piece, the inserted sheet insertion crushing block parent of crushing block daughter forms complete crushing block, crushing block parent and crushing block
Body circumferential direction junction is equipped with multiple location structures, and the location structure can be the circumferentially joint face setting of crushing block parent
Multiple projections/grooves, circumferentially joint face has multiple groove/lands for crushing block daughter, and the inserted sheet of crushing block daughter, which is inserted into, to be squeezed
After the notch of briquetting parent, the protrusion on joint face is entirely insertable in corresponding groove.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, the notch of the crushing block parent
Engage connection with the inserted sheet bumps of crushing block daughter, specific crushing block parent notch joint face in axial direction have groove/
Protrusion, crushing block daughter notch joint face in axial direction have corresponding projections/grooves, further increase its leakproofness.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, the seal area of the sealed body
Multiple through holes are opened up on domain, liner is equipped in sealed body, and liner outside is equipped with multiple protrusions, pads the corresponding insertion of protrusion
The through hole of sealing area simultaneously seals through hole.
As a kind of preferred embodiment of optical cable high-efficiency sealing device of the present invention, have in first gasket
Wavy bulge and groove, the protrusion and groove are arranged circumferentially along the first gasket inner wall.
Description of the drawings
Fig. 1 is a kind of optical cable high-efficiency sealing device use state diagram provided by the invention.
Fig. 2 is a kind of optical cable high-efficiency sealing device exploded perspective view.
Fig. 3 is a kind of two-piece type optical cable high-efficiency sealing device exploded perspective view.
Fig. 4 is a kind of two-piece type crushing block exploded perspective view.
Fig. 5 is the wherein a piece of structural schematic diagram of two-piece type sealed body.
Fig. 6 is a kind of two-piece type gasket structure schematic diagram.
Fig. 7 is a kind of wherein a piece of structural schematic diagram of two-piece type sealing element.
Wherein：1, sealing device 2, cable splice closure 3, optical cable 11, sealed body 12, crushing block 121, crushing block are female
Body 122, crushing block daughter 123, notch 124, inserted sheet 13, sealing element 14, sealing area 15, gasket 16, bolt
17, it pads
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description.It is described herein it is upper and lower,
Merely to control clearer our sealing device structure of description of attached drawing, these titles should not in the orientation such as front end, rear end
Limit protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of cable junction box, including sealing device 1, cable junction box 2 and optical cable 3, the sealing in Fig. 1
For device 1 for being sealed to the optical cable 3 across cable junction box 2, sealing device 1 is fixed on optical cable after being set on optical cable 3
The outer surface of the line outlet of terminal box, sealing device 1 is identical as the outlet mouth-shaped of cable junction box.
Wherein, as shown in Fig. 2, sealing device 1 includes sealed body 11 and the crushing block 12, close that is arranged on sealed body
Sealing 13, crushing block 12 are made of rigid material, and sealing element 13 is made of elastic material, and sealing area is by bullet on sealed body 11
Property material is made, and rest part is made of rigid material.
Sealed body 11 is the cylinder with upper and lower opening and inner cavity, and 11 times exit inside diameters of sealed body are less than sealing element
13 outer diameters, sealing element 13 are arranged in the inner cavity of sealed body 11, and crushing block 12 has the opening for allowing optical cable to pass through, crushing block
12 fasten with sealed body 11, sealing element 13 to be fixed in sealed body 11.There is mounting hole on the outside of sealed body, squeeze
It also is provided with mounting hole on briquetting, is connect crushing block 12 with sealed body 11 by bolt 16.Further, bolt is by crushing block
During sealed body, crushing block 12 to 13 axial direction of sealing element have certain compression, 13 axial direction of sealing element by
To after certain compression, certain expansion is will produce in radial direction, keeps sealing element better to the sealing effect of optical cable, improves simultaneously
The sealing effect at sealing element both ends.
There is sealed body 11 sealing area 14 formed therein, sealing area 14 to be set along the circumferential direction of sealed body 11
It sets one week, is sealed to be formed with cable junction box line outlet.In order to improve sealing effect, make sealing area 14 and sealing element 13
It is overlapped or partly overlaps, when the line outlet of cable junction box is to 14 radial compaction of sealing area on sealed body, simultaneously
Also corresponding compression is generated to sealing element 13, further increases sealing effect.
Crushing block 12 has the shoulder that internal diameter reduces, and a crushing block part is allowed to be inserted into sealed body.Sealing element 13 with
Gasket 15 is equipped between sealed body 11 and crushing block 12.
In use, optical cable is passed through this sealing device first, it is then placed in the line outlet of cable junction box, by optical cable wiring
Box fastening is pressed on the sealing area of sealed body, you can completes installation, whole process is simple and fast, and crushing block is by sealing element
It is fixed in sealed body, forms a resealing；The line outlet of sealed body and cable junction box is fixedly mounted, on sealed body
Sealing area and the line outlet of cable junction box between form two resealings, by two resealings, substantially increase optical cable wiring
The sealing effect of box, simple in structure, required precision is relatively low, is suitable for secondary production in batch, and leakproofness is stablized, is not easy by external environment
It influences.
Embodiment 2
As shown in Fig. 3 to 7, a kind of two-piece type sealing device, so-called two-piece type refers to that the sealing element of sealing device is
Two-piece type structure is convenient for the installation and dismounting of optical cable, is particularly suitable for the sealing of the uninterrupted optical cable of both ends endless.
Crushing block 12 includes crushing block parent 121 and crushing block daughter 122, is in axial direction set on crushing block parent 121
Jagged 123, inserted sheet 124 is in axial direction equipped in crushing block daughter, the inserted sheet of crushing block daughter is inserted into crushing block parent
Notch forms complete crushing block 12, and crushing block parent notch joint face in axial direction has groove, crushing block daughter notch
Joint face in axial direction has corresponding protrusion, further increases its leakproofness.Circumferentially joint face is set crushing block parent
The multiple grooves set, circumferentially there are joint face multiple protrusions, the inserted sheet of crushing block daughter to be inserted into crushing block mother for crushing block daughter
After the notch of body, protrusion of the crushing block daughter circumferentially on joint face is entirely insertable crushing block parent circumferentially joint face upper groove
In.
Sealed body 11 is formed by two parts of symmetrical configuration, is equipped with mounting hole in two-part junction, is passed through bolt
16 are fixedly connected with two parts.
Sealing element 13 is also two-piece type, and fastening forms complete sealing element.In order to further increase its leakproofness, sealing element
It is interior that there is wavy bulge and groove, the protrusion and groove to be arranged circumferentially along the first gasket inner wall.Certain sealing element 13
Or the integral structure with cleaved facet, i.e., there are a cleaved facet, two terminations of cleaved facet along sealing element axial direction
It touches but not connected.
Gasket 15 in sealed body is also two-piece type, and groove and protrusion are equipped in two parts junction, to by two
Part snap-fit prevents from misplacing.
The setting liner 17 near sealed body under shed, to prevent the sealing element in sealed body mobile or dislocation.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should be included within the scope of the present invention.
Claims (7)
1. a kind of optical cable high-efficiency sealing device, is set to cable junction box line outlet, it is characterised in that：Including sealed body, squeeze
Briquetting, sealing element,
Sealed body is the cylinder with upper and lower opening and inner cavity；
There is sealing element the inner cavity for allowing optical cable to pass through, sealing element to be set in the inner cavity of sealed body；
Crushing block has the opening for allowing optical cable to pass through, crushing block and openings snap-fit on sealed body, to fix sealing element
In sealed body inner cavity；
There is sealed body sealing area formed therein, sealing area to be arranged one week along sealed body circumferential direction direction, to
It is formed and is sealed with cable junction box line outlet；
The sealed body, crushing block, sealing element all have at least one opening；
Crushing block includes crushing block parent and crushing block daughter, and notch, crushing block are in axial direction equipped on crushing block parent
Inserted sheet is in axial direction equipped on body, the notch of the inserted sheet insertion crushing block parent of crushing block daughter forms complete crushing block,
Crushing block parent is equipped with multiple location structures with crushing block daughter circumferential direction junction.
2. optical cable high-efficiency sealing device according to claim 1, it is characterised in that：The crushing block reduces with internal diameter
Shoulder, allow a crushing block part be inserted into sealed body.
3. optical cable high-efficiency sealing device according to claim 2, it is characterised in that：Exit inside diameter under the sealed body
Less than seal outer diameter.
4. the optical cable high-efficiency sealing device according to Claim 1-3 any one, it is characterised in that：The sealing element
Gasket is equipped between sealed body and crushing block.
5. optical cable high-efficiency sealing device according to claim 1, it is characterised in that：The notch of the crushing block parent with
The inserted sheet bumps engagement connection of crushing block daughter.
6. optical cable high-efficiency sealing device according to claim 1, it is characterised in that：The sealing area of the sealed body
On open up multiple through holes, liner is equipped in sealed body, liner is external to be equipped with multiple protrusions, pad protrusion it is corresponding be inserted into it is close
It seals the through hole in region and seals through hole.
7. the optical cable high-efficiency sealing device according to claim 1 any one, it is characterised in that：Tool in the sealing element
There are wavy bulge and groove, the protrusion and groove to be arranged circumferentially along sealing element inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597986.XA CN105116507B (en) | 2015-09-18 | 2015-09-18 | A kind of optical cable high-efficiency sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597986.XA CN105116507B (en) | 2015-09-18 | 2015-09-18 | A kind of optical cable high-efficiency sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105116507A CN105116507A (en) | 2015-12-02 |
| CN105116507B true CN105116507B (en) | 2018-08-10 |
Family
ID=54664535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510597986.XA Active CN105116507B (en) | 2015-09-18 | 2015-09-18 | A kind of optical cable high-efficiency sealing device |
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| Country | Link |
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| CN (1) | CN105116507B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700078B (en) * | 2016-04-19 | 2018-09-21 | 南京迪威普光电技术股份有限公司 | Explosion-proof heat sealing machine intelligent acess structure |
| CN108397607A (en) * | 2018-05-04 | 2018-08-14 | 抚顺欧柏丽实业股份有限公司 | Cable and pipeline through sealing device and run through seal assembly |
| ES2952369T3 (en) | 2018-05-09 | 2023-10-31 | Afl Telecommunications Llc | Butt closures and bases for them |
| CN109445045A (en) * | 2018-11-12 | 2019-03-08 | 胡肖平 | A kind of continuous extrusion sealing structure of cable splice closure cable mouth |
| US10996414B1 (en) | 2020-03-23 | 2021-05-04 | Afl Telecommunications Llc | Butt closures and bases therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2598003Y (en) * | 2002-12-12 | 2004-01-07 | 浙江昌宇达光电通信有限公司 | Optical cable connector box |
| CN101421653A (en) * | 2006-04-11 | 2009-04-29 | Ccs技术公司 | Sealing body for a cable sleeve |
| CN102197557A (en) * | 2008-10-21 | 2011-09-21 | 3M创新有限公司 | Mechanical cable entry port |
| CN205038383U (en) * | 2015-09-18 | 2016-02-17 | 胡肖平 | High -efficient sealing device of optical cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130129289A1 (en) * | 2011-11-18 | 2013-05-23 | Carey S. ROLAND | Case assembly having wicking barrier |
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2015
- 2015-09-18 CN CN201510597986.XA patent/CN105116507B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2598003Y (en) * | 2002-12-12 | 2004-01-07 | 浙江昌宇达光电通信有限公司 | Optical cable connector box |
| CN101421653A (en) * | 2006-04-11 | 2009-04-29 | Ccs技术公司 | Sealing body for a cable sleeve |
| CN102197557A (en) * | 2008-10-21 | 2011-09-21 | 3M创新有限公司 | Mechanical cable entry port |
| CN205038383U (en) * | 2015-09-18 | 2016-02-17 | 胡肖平 | High -efficient sealing device of optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105116507A (en) | 2015-12-02 |
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Effective date of registration: 20200909 Address after: 312030 Keqiao District, Shaoxing City, Zhejiang province Binhai Industrial Zone Patentee after: ZHEJIANG RONGHUI COMMUNICATION EQUIPMENT Co.,Ltd. Address before: Outside the village Shiliang town Taizhou Tiantai County of Zhejiang province 317200 City Group No. 7 Patentee before: Hu Xiaoping |