CN102331609B - Optical fiber terminal box - Google Patents
Optical fiber terminal box Download PDFInfo
- Publication number
- CN102331609B CN102331609B CN201010228118.1A CN201010228118A CN102331609B CN 102331609 B CN102331609 B CN 102331609B CN 201010228118 A CN201010228118 A CN 201010228118A CN 102331609 B CN102331609 B CN 102331609B
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- CN
- China
- Prior art keywords
- resilient seal
- seal block
- press section
- optical fiber
- optical cable
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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.)
- Expired - Fee Related
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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
- G02B6/44—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
- G02B6/4447—Cable boxes, e.g. splicing boxes with two or more multi fibre cables with divided shells
-
- 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
- G02B6/4471—Terminating devices ; Cable clamps
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses an optical fiber terminal box, which comprises a shell, wherein the shell is provided with an opening used for the penetration of optical cables and an elastic sealing block arranged in the opening, and the elastic sealing block is suitable for wrapping the optical cables so as to seal the opening of the shell. Compared with the prior art, in each embodiment of the invention, because the elastic sealing block is extruded by the larger-rigidity shell to be stressed and deformed, the optical cables are wrapped in a sealing mode. Therefore, in field installation, the shell only needs to be directly closed to realize the sealing of the optical cables and the shell, the method that the optical cables are pressed in a pair of semi-body blocks in a sealing mode in advance in the prior art is not needed, and the installation is convenient. The whole installation process is not limited by field space.
Description
Technical field
The present invention relates to a kind of optical Fiber Closure, particularly relate to a kind of elastic sealing structure of optical Fiber Closure.
Background technology
The optical cable turnover port of optical Fiber Closure generally adopts block rubber to seal.In the prior art, this block rubber generally comprises two halfbody blocks that can mutually be press-fitted to together, and optical cable is placed between a pair of halves block, and when two halfbody blocks are press-fitted to together, optical cable is just by the seal groove that is wrapped in hermetically between a pair of halves block.
But, when installing optical fibres terminal box at the scene, need first a pair of halves block to be press-fitted to together, owing to being subject to the restriction in in-site installation space, be press-fitted a pair of halves block more difficult, sometimes even need could realize by means of some specific purpose tools.Optical cable being press-fitted and being sealed in after between a pair of halves block, also need to cover case lid, so that the port of seal casinghousing.
Summary of the invention
For technical matterss such as the installation difficulties existed in prior art, the present invention is intended to provide a kind of optical Fiber Closure being suitable for installing easily at the scene.
According to an aspect of the present invention, provide a kind of optical Fiber Closure, comprising: housing, described housing has for the opening through optical cable; With the resilient seal block arranged in said opening, described resilient seal block is applicable to described optical cable to be wrapped in wherein, to seal the described opening of described housing.
According to a preferred embodiment of the present invention, the described housing base that comprises upper cover and be detachably connected with described detachable upper cover.
According to a further advantageous embodiment of the invention, described resilient seal block has at least one isolated pockets, and described pockets is formed in the edge of described resilient seal block, passes for allowing optical cable.
According to a further advantageous embodiment of the invention, described pockets is the elongated channels extended internally from the edge of described resilient seal block.
According to a further advantageous embodiment of the invention, described housing has the press section at the edge extruding described resilient seal block, and described press section is formed with the groove corresponding with the pockets of described resilient seal block, thus crimping section is divided into multiple crush rib.
According to a further advantageous embodiment of the invention, be formed with shelter wall in the outermost of the described opening of described housing, for the groove of the pockets and described housing that block described resilient seal block.
According to a further advantageous embodiment of the invention, described resilient seal block and described base form one.
According to a further advantageous embodiment of the invention, described resilient seal block is a single piece.
According to a further advantageous embodiment of the invention, described optical Fiber Closure also comprises the second resilient seal block, described second resilient seal block is arranged between described resilient seal block and described base, passes between described resilient seal block and described second resilient seal block for allowing the second optical cable.
According to a further advantageous embodiment of the invention, described second resilient seal block has the second groove towards described resilient seal block, passes for allowing the second optical cable.
According to a further advantageous embodiment of the invention, described second resilient seal block and described base form one.
According to a further advantageous embodiment of the invention, described optical Fiber Closure also comprise flexible member, described flexible member, be arranged on the inside of described resilient seal block, to increase the elastic force of described resilient seal block.
According to a further advantageous embodiment of the invention, described resilient seal block is made up of gel.
According to a further advantageous embodiment of the invention, described upper cover comprises press section, described base comprises lower press section, described upper press section and lower press section are formed as going up the shortest vertical distance between press section and lower press section when upper cover and base are closed in together and are less than the maximum height of resilient seal block, thus upper press section applies vertical extruding force to resilient seal block together with lower press section, then this vertical extruding force converts the radial compression power be applied on described optical cable to.
According to a further advantageous embodiment of the invention, described upper cover comprises the front press section and rear press section that extrude described resilient seal block, described front press section and rear press section to be formed as when closing upper cover bee-line between front press section and rear press section and to be less than the breadth extreme of described resilient seal block, thus front press section applies horizontal compression to resilient seal block together with rear press section, then this horizontal compression converts the axial compression power be applied on described optical cable to.
According to a further advantageous embodiment of the invention, at least one in described front press section and rear press section has inclination compressive plane.
Compared with prior art, in various embodiments of the present invention, due to the housing extruding resilient seal block directly adopting rigidity larger, make resilient seal block compressive deformation, thus wrap optical cable hermetically.Therefore, when installing at the scene, only need directly to close housing and just can realize the sealing of optical cable and the sealing of housing, and do not need in advance optical cable to be press-fitted to hermetically in a pair of halves block as prior art, therefore easy for installation.And whole installation process is not by the restriction of site space.
Accompanying drawing explanation
The schematic perspective view of Fig. 1 display optical Fiber Closure according to a first advantageous embodiment of the invention;
Fig. 2 shows the assembling process of the optical Fiber Closure shown in Fig. 1;
Fig. 3 shows the schematic perspective view of optical Fiber Closure according to a second, preferred embodiment of the present invention;
Fig. 4 shows the structural representation of the upper press section of the upper cover of the optical Fiber Closure shown in Fig. 3;
Fig. 5 shows the assembling process of the optical Fiber Closure shown in Fig. 3;
Fig. 6 display is according to the schematic perspective view of the optical Fiber Closure of the 3rd preferred embodiment of the present invention;
Fig. 7 shows the assembling process of the optical Fiber Closure shown in Fig. 6;
Fig. 8 display is according to the schematic diagram of the resilient seal block of the optical Fiber Closure of the 4th preferred embodiment of the present invention; With
Fig. 9 and Figure 10 display is according to the schematic perspective view of the optical Fiber Closure of the 5th preferred embodiment of the present invention.
Embodiment
Be described below in detail the embodiment of exemplary of the present invention, the example of embodiment is shown in the drawings, and wherein same or analogous label represents same or analogous element.Below with reference to the accompanying drawings the embodiment described is exemplary, is intended to explain the present invention, and can not be interpreted as limitation of the present invention.
[the first embodiment]
The schematic perspective view of Fig. 1 display optical Fiber Closure according to a first advantageous embodiment of the invention; Fig. 2 shows the assembling process of the optical Fiber Closure shown in Fig. 1.
As shown in Figure 1, optical Fiber Closure mainly comprises housing and holds wiring units (not shown, as wire jumper administrative unit, molten fine administrative unit, to coil fine administrative unit etc.) in the housing.
In the embodiment shown in fig. 1, housing comprises upper cover 1 and base 2, and upper cover 1 and base 2 can removably link together.
As shown in Figure 1, housing has the opening (optical cable turnover port) allowing optical cable 4 pass, and the optical cable turnover port of housing is provided with resilient seal block 3, for the optical cable turnover port of seal casinghousing.
For convenience of explanation, as shown in Figure 1, in this manual, the length direction of optical Fiber Closure represents with Y, and Width X represents, short transverse or vertical direction Z represent.As shown in Figure 1, in fact length direction Y is exactly the axial direction of optical cable 4, and Width X and short transverse Z is the radial direction of the axial direction perpendicular to optical cable 4.
In the preferred embodiment shown in Fig. 1 and Fig. 2, resilient seal block 3 is single piece.Be formed with multiple isolated pockets 7 at the coboundary of resilient seal block 3, optical cable 4 passes and remains in this pockets 7.
Please continue see the preferred embodiment shown in Fig. 1 and Fig. 2, pockets 7 is the elongated channels extended internally from the edge of resilient seal block 3.
As depicted in figs. 1 and 2, do not formed hold the pockets 7 of optical cable 4 at the lower limb of resilient seal block 3, therefore, the lower limb of resilient seal block 3 can directly link together with base 2, thus resilient seal block 3 and base 2 are formed integrally.The advantage done like this to save step resilient seal block 3 located and be placed in base 2.
But it should be noted that, the lower limb of resilient seal block 3 also can form the pockets similar to coboundary, and one is not formed with base 2, like this, although add step resilient seal block 3 located and be placed in base 2, can increase and hold and the quantity of sealing optical cable.
The assembling process of the optical Fiber Closure of the first embodiment of the present invention is illustrated below according to Fig. 2.In the preferred embodiment shown in figure 2, first optical cable 4 is remained in pockets 7.Then directly closing upper cover 1 downward extruding resilient seal block 3 makes pockets 7 close, thus realizes the sealing of optical cable 4.
In the prior art, be that optical cable keeps and is sealed between the resilient seal block that cooperatively interacts for a pair by the mutual extruding of resilient seal block by cooperatively interact for a pair.And in the present invention, by forming multiple isolated pockets 7 on the top of resilient seal block 3 and/or bottom, directly extruded top and/or the bottom of this resilient seal block 3 by upper cover 1 and/or base 2, thus optical cable 4 is remained in the pockets 7 of resilient seal block 3 hermetically.Compared with prior art, the present invention has easy to assembly, the advantage that efficiency is high.
As shown in Figure 2, in the preferred embodiment shown in the drawings, when closing upper cover 1, upper cover 1 and base about 2 extrude resilient seal block 3, thus make resilient seal block 3 compressive deformation, thus wrap optical cable 4 hermetically.Particularly, as shown in Figure 2, upper cover 1 comprises the upper press section 1a on the top of extruding resilient seal block 3, and base 2 comprises the lower press section 2a of the bottom of extruding resilient seal block 3.In the preferred embodiment shown in figure 2, upper press section 1a and lower press section 2a is formed as upper when upper cover 1 and base 2 are closed in together and is less than the maximum height of resilient seal block 3 at uncompressed forward position short transverse Z along the shortest vertical distance of short transverse or vertical direction Z between press section 1a and lower press section 2a, thus upper press section 1a and lower press section 2a can together with vertical extruding force is applied to resilient seal block 3, then this vertical extruding force converts the radial compression power be applied on optical cable 4 to.
As shown in Figure 2, when upper cover 1 is closed gradually, upper press section 1a and lower press section 2a extrudes resilient seal block 3 gradually along the radial direction (i.e. vertical direction Z) of optical cable 4, thus realizes the sealing to optical cable 4.
Note that in various embodiments of the present invention, housing must have certain rigidity, could extrude resilient seal block like this.In the present invention, compared with resilient seal block 3, housing can be described as rigidity.
[the second embodiment]
Fig. 3 shows the schematic perspective view of optical Fiber Closure according to a second, preferred embodiment of the present invention; Fig. 4 shows the structural representation of the press section of the upper cover of the optical Fiber Closure shown in Fig. 3; Fig. 5 shows the assembling process of the optical Fiber Closure shown in Fig. 3.
As compared to the first embodiment shown in Fig. 1 with Fig. 2, the maximum difference of the second embodiment shown in Fig. 3 to Fig. 5 is: optical Fiber Closure comprises two the resilient seal blocks be separated from each other, instead of a resilient seal block.
As shown in Figure 3 and Figure 5, optical Fiber Closure comprises the first resilient seal block 3a and the second resilient seal block 3b that are separated from each other.
Please continue see Fig. 3 to Fig. 5, in the preferred embodiment shown in the drawings, the first resilient seal block 3a is between upper cover 1 and the second resilient seal block 3b.Second resilient seal block 3b is between the first resilient seal block 3a and base 2.
As shown in Figure 3 and Figure 5, the upper edge of the first resilient seal block 3a is formed with multiple isolated first pockets 7a, and a part of optical cable (the first optical cable) 4a passes and remains in the first pockets 7a.
As shown in Figure 3 and Figure 5, in a preferred embodiment, the first pockets 7a is the elongated channels extended internally from the coboundary of the first resilient seal block 3a, for keeping the optical distribution cable that diameter is relatively little.
As shown in Figure 3 and Figure 5, in a further advantageous embodiment, between the first resilient seal block 3a and the second resilient seal block 3b, be also formed with multiple isolated second pockets 7b, another part optical cable (the second optical cable) 4b passes and remains in the second pockets 7b.
Preferably, the second pockets 7b is circular groove, for the backbone optical cable keeping diameter larger.
In a preferred embodiment, as shown in Figure 3 and Figure 5, the first resilient seal block 3a is all separated with housing with the second resilient seal block 3b.
The assembling process of the optical Fiber Closure of the second embodiment of the present invention is illustrated below according to Fig. 5.In the preferred embodiment shown in Fig. 5, first the second optical cable 4b is remained in the second pockets 7b between the first resilient seal block 3a and the second resilient seal block 3b; Then whole resilient seal block is placed in base 2; Then the first optical cable 4a is remained in the first pockets 7a of the first resilient seal block 3a; Finally closing the whole resilient seal block of the downward extruding of upper cover 1 makes the first pockets 7a and the second pockets 7b close, thus realizes the sealing of the first optical cable 4a and the second optical cable 4b.
As shown in Figure 5, in the preferred embodiment shown in the drawings, when closing upper cover 1, upper cover 1 and base about 2 extrude resilient seal block, make resilient seal block compressive deformation, thus wrap optical cable 4 hermetically.Particularly, as shown in Figure 5, upper cover 1 comprises the upper press section 1a on the top of extruding resilient seal block, and base 2 comprises the lower press section 2a of the bottom of extruding resilient seal block.In the preferred embodiment shown in Fig. 5, upper press section 1a and lower press section 2a is formed as upper when upper cover 1 and base 2 are closed in together and is less than whole resilient seal block 3a, 3b maximum height at uncompressed forward position short transverse Z along the shortest vertical distance of short transverse or vertical direction Z between press section 1a and lower press section 2a, thus upper press section 1a and lower press section 2a can together with vertical extruding force is applied to whole resilient seal block 3a, 3b, then this vertical extruding force converts the radial compression power be applied on optical cable 4 to.
As shown in Figure 5, when upper cover 1 is closed gradually, upper press section 1a and lower press section 2a extrudes first and second resilient seal block 3a, 3b gradually along the radial direction (i.e. vertical direction Z) of optical cable 4, thus realizes the sealing to optical cable 4.
In order to improve sealing effectiveness, in a preferred embodiment of the invention, resilient seal block adopts gel piece unit, because the softer easy compressive deformation of gel, and gel seal is effective.But the present invention is not limited to this, resilient seal block also can adopt other suitable elaxtic seal such as softer rubber, water chestnut glue to make.
The structure of the upper press section 1a of the upper cover of the optical Fiber Closure of the second embodiment of the present invention is described below in detail according to Fig. 4.
As shown in Figure 4, upper cover 1 is opened, and exposes the upper press section 1a of upper cover 1 and the top of the first resilient seal block 3a.In the preferred embodiment shown in Fig. 4, the top of the first resilient seal block 3a is formed with multiple isolated first pockets 7a and by the separated multiple elastic rib 8a of multiple first pockets 7a, when pressed, there is elastic deformation in elastic rib 8a, thus the first pockets 7a is closed and sealing.
As shown in Figure 4, the structure on the structure of the upper press section 1a of upper cover 1 and the top of the first resilient seal block 3a is similar.The upper press section 1a of upper cover 1 is formed with the groove 7a ' corresponding with the first pockets 7a of the first resilient seal block 3a and the crush rib 8a ' corresponding with the elastic rib 8a of the first resilient seal block 3a.Upper press section 1a due to upper cover 1 is formed with the groove 7a ' corresponding with the first pockets 7a of the first resilient seal block 3a, therefore, when the crush rib 8a ' of upper cover 1 extrudes the elastic rib 8a of the first resilient seal block 3a, the elastic rib 8a being beneficial to the first resilient seal block 3a to the first pockets 7a internal strain, to make the first pockets 7a reliably closing and sealing.
Refer to Fig. 3 and Fig. 4, in the preferred embodiment shown in the drawings, multiple isolated shelter wall 9 is also formed in the outermost side of upper cover 1, this shelter wall 9 is corresponding with the first pockets 7a of the first resilient seal block 3a and the groove 7a ' of upper cover 1, for the groove 7a ' of the first pockets 7a and upper cover 1 that block the first resilient seal block 3a, like this, when upper cover 1 closes, from in appearance just can not direct viewing to obvious groove, improve aesthetic property, and, shelter wall 9 also has the effect of the elastic rib 8a of restriction and extruding the first resilient seal block 3a, certain squeezing action can be played.Preferably, the bottom of shelter wall 9 is formed with the semi-circular recesses corresponding with the periphery of optical cable 4, for matching with the periphery of optical cable 4.
It should be noted that, the said structure of the upper press section 1a of upper cover 1 goes for base 2, also goes for other any one embodiment of the present invention.
[the 3rd embodiment]
Fig. 6 shows the schematic perspective view of optical Fiber Closure according to a second, preferred embodiment of the present invention; Fig. 7 shows the assembling process of the optical Fiber Closure shown in Fig. 6.
Compared with the second embodiment shown in Fig. 3 to Fig. 5, the difference of the 3rd embodiment shown in Fig. 6 and Fig. 7 is only: as shown in Figure 6 and Figure 7, and the base 2 of the second resilient seal block 3b and housing forms one, instead of is separated with base.
In the 3rd embodiment shown in Fig. 6 and Fig. 7, first the second optical cable 4b is remained in the second pockets 7b between the first resilient seal block 3a and the second resilient seal block 3b; Then the first optical cable 4a is remained in the first pockets 7a of the first resilient seal block 3a; Finally close upper cover 1 extruding whole resilient seal block 3a, 3b downwards, thus realize the sealing to optical cable 4.
In the third embodiment, because the base 2 of the second resilient seal block 3b and housing forms one, therefore, compared with the second embodiment, the step that the second resilient seal block 3b is placed and is positioned in base 2 is eliminated.
[the 4th embodiment]
Fig. 8 display is according to the schematic diagram of the resilient seal block of the optical Fiber Closure of the 4th preferred embodiment of the present invention.
Because the sealing ability of resilient seal block 3 is directly proportional to the elastic deformation force after resilient seal block 3 pressurized, therefore wish that the elastic deformation force after resilient seal block 3 pressurized is the bigger the better.Therefore, in the 4th embodiment shown in Fig. 7, auxiliary elastic element 5,6 is provided with in the inside of resilient seal block 3, such as Compress Spring 5 and leaf spring 6.In the preferred embodiment shown in Fig. 7, be provided with Compress Spring 5 and leaf spring 6 simultaneously, but, also only can be provided with any one in Compress Spring 5 and leaf spring 6.
[the 5th embodiment]
Fig. 9 and Figure 10 display is according to the schematic perspective view of the optical Fiber Closure of the 5th preferred embodiment of the present invention.
As shown in Figure 9 and Figure 10, upper cover 1 is relative before and after comprising the front side of extruding resilient seal block 3 and the front press section 1f of rear side and rear press section 1b, front press section 1f and rear press section 1b being on the axial direction along optical cable 4.
In the preferred embodiment shown in Fig. 9 and Figure 10, the bee-line that front press section 1f and rear press section 1b is formed as when closing upper cover 1 (axial direction Y) along the longitudinal direction between front press section 1f and rear press section 1b is less than the breadth extreme of resilient seal block 3, thus front press section 1f applies horizontal compression to resilient seal block 3 together with rear press section 1b, then this horizontal compression converts the axial compression power be applied on optical cable 4 to.
As shown in Figure 9 and Figure 10, when upper cover 1 is closed gradually, front press section 1f and rear press section 1b extrudes resilient seal block 3 gradually along the axial direction Y of optical cable 4, thus realizes the sealing to wirerope 4.
But, please note, the present invention is not limited to this, upper cover 1 also can comprise left press section and the right press section (not shown) of extruding resilient seal block 3, when upper cover 1 is closed, left press section and right press section extrude resilient seal block 3 gradually along the radial direction X of optical cable 4, thus realize the sealing to optical cable.
In the embodiment shown in Fig. 9 and Figure 10, front press section 1f is inclination compressive plane, and then press section 1b is vertical plane.But note that the present invention is not limited to this, front press section 1f and rear press section 1b also can be inclination compressive plane.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can change these embodiments without departing from the principles and spirit of the present invention.The scope of application of the present invention is by claims and equivalents thereof.
Claims (15)
1. an optical Fiber Closure, comprising:
Housing, described housing has for the opening through many optical cables; With
Arrange resilient seal block in said opening, described resilient seal block is applicable to described many optical cables to be wrapped in wherein, to seal the described opening of described housing,
Wherein, described optical Fiber Closure also comprises flexible member (5,6), and described flexible member (5,6) is arranged on the inside of described resilient seal block (3), to increase the elastic force of described resilient seal block (3),
Described many optical cables comprise first optical cable (4a) with the first diameter and second optical cable (4b) with Second bobbin diameter, and described Second bobbin diameter is greater than the first diameter.
2. optical Fiber Closure according to claim 1, is characterized in that: the base (2) that described housing comprises upper cover (1) and is removably connected with described upper cover (1).
3. optical Fiber Closure according to claim 2, is characterized in that:
Described resilient seal block (3) has multiple isolated pockets (7), and described pockets (7) is formed in the edge of described resilient seal block (3), passes for allowing optical cable (4).
4. optical Fiber Closure according to claim 3, is characterized in that: described pockets (7) is the elongated channels extended internally from the edge of described resilient seal block (3).
5. optical Fiber Closure according to claim 4, it is characterized in that: described housing (1,2) has the press section at the edge extruding described resilient seal block (3a), described press section is formed with the groove corresponding with the pockets (7a) of described resilient seal block (3a) (7a '), thus crimping section is divided into multiple crush rib (8a ').
6. optical Fiber Closure according to claim 5, it is characterized in that: be formed with shelter wall (9) in the outermost of the described opening of described housing (1,2), for the groove (7a ') of the pockets (7) and described housing that block described resilient seal block (3).
7. optical Fiber Closure according to claim 4, is characterized in that: described resilient seal block (3) and described base (2) form one.
8. the optical Fiber Closure according to claim 1 or 4, is characterized in that: described resilient seal block (3) is a single piece.
9. optical Fiber Closure according to claim 4, is characterized in that:
Described optical Fiber Closure also comprises the second resilient seal block (3b), described second resilient seal block is arranged between described resilient seal block and described base, passes between described resilient seal block and described second resilient seal block for allowing the second optical cable (4b).
10. optical Fiber Closure according to claim 9, is characterized in that:
Described second resilient seal block has the second groove (7b) towards described resilient seal block, passes for allowing the second optical cable.
11. optical Fiber Closures according to claim 9, is characterized in that: described second resilient seal block and described base form one.
12. optical Fiber Closures according to claim Isosorbide-5-Nitrae or 9, is characterized in that: described resilient seal block (3) is made up of gel.
13. optical Fiber Closures according to claim 4 or 9, is characterized in that:
Described upper cover (1) comprises press section (1a), described base (2) comprises lower press section (2a), described upper press section (1a) and lower press section (2a) are formed as going up the shortest vertical distance between press section (1a) and lower press section (2a) when upper cover (1) and base (2) are closed in together and are less than the maximum height of resilient seal block (3), thus upper press section (1a) applies vertical extruding force to resilient seal block (3) together with lower press section (2a), then this vertical extruding force converts the radial compression power be applied on described optical cable (4) to.
14. optical Fiber Closures according to claim 4 or 9, is characterized in that:
Described upper cover (1) comprises the front press section (1f) and rear press section (1b) that extrude described resilient seal block (3), described front press section (1f) and rear press section (1b) to be formed as when closing upper cover (1) bee-line between front press section (1f) and rear press section (1b) and to be less than the breadth extreme of described resilient seal block (3), thus front press section (1f) and rear press section (1b) apply horizontal compression to resilient seal block (3) together, then this horizontal compression converts the axial compression power be applied on described optical cable (4) to.
15. optical Fiber Closures according to claim 14, is characterized in that: at least one in described front press section (1f) and rear press section (1b) has inclination compressive plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228118.1A CN102331609B (en) | 2010-07-13 | 2010-07-13 | Optical fiber terminal box |
| PCT/IB2011/053109 WO2012007904A1 (en) | 2010-07-13 | 2011-07-12 | Optical fiber splice enclosure with elastic seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228118.1A CN102331609B (en) | 2010-07-13 | 2010-07-13 | Optical fiber terminal box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102331609A CN102331609A (en) | 2012-01-25 |
| CN102331609B true CN102331609B (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010228118.1A Expired - Fee Related CN102331609B (en) | 2010-07-13 | 2010-07-13 | Optical fiber terminal box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102331609B (en) |
| WO (1) | WO2012007904A1 (en) |
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| CN103592734B (en) * | 2013-11-26 | 2016-06-01 | 青岛三创信息科技有限公司 | A kind of simple compact optical cable |
| EP3351070B1 (en) | 2015-09-14 | 2021-11-03 | CommScope Connectivity Belgium BVBA | Latching system for an enclosure |
| BR112020009997B1 (en) | 2017-11-28 | 2023-05-09 | Commscope Technologies Llc | INDICATION ELEMENT, INDICATION ELEMENT SYSTEM FOR TELECOMMUNICATION SYSTEM AND TELECOMMUNICATION SYSTEM |
| US11422327B2 (en) | 2018-02-13 | 2022-08-23 | Commscope Technologies Llc | Cable sealant arrangement for a sealed closure |
| AU2019245435B2 (en) | 2018-03-29 | 2023-05-18 | Commscope Technologies Llc | Indicia and method for identifying telecommunications components |
| USD916044S1 (en) | 2018-10-19 | 2021-04-13 | Commscope Technologies Llc | Telecommunications enclosure |
| USD935428S1 (en) | 2019-04-19 | 2021-11-09 | Commscope Technologies Llc | Telecommunications identification plate |
| CN111474653B (en) * | 2020-05-25 | 2024-03-22 | 新三科技有限公司 | Junction box for laying optical cable |
| US11953745B2 (en) | 2021-03-29 | 2024-04-09 | Commscope Technologies Llc | Fiber optic cable transition tube |
| BR102021008983A2 (en) * | 2021-05-07 | 2022-05-31 | Dpr Telecomunicacoes Ltda | box seal fitting |
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| US5235134A (en) * | 1990-05-31 | 1993-08-10 | Reliance Comm/Tec Corporation | Sealed reenterable splice enclosure |
| US5313018A (en) * | 1991-11-22 | 1994-05-17 | Rxs Schrumpftechnik-Garnituren Gmbh | Cable sleeve composed of a longitudinally-divided housing |
| US5313546A (en) * | 1991-11-29 | 1994-05-17 | Sirti, S.P.A. | Hermetically sealed joint cover for fibre optic cables |
| US5322973A (en) * | 1992-03-06 | 1994-06-21 | Communication Technology Corporation | Aerial closure |
| US6533472B1 (en) * | 1999-10-19 | 2003-03-18 | Alcoa Fujikura Limited | Optical fiber splice closure assembly |
| DE202006006020U1 (en) * | 2006-04-11 | 2006-06-14 | CCS Technology, Inc., Wilmington | Sealing body of a cable sleeve |
| NL2004694C2 (en) * | 2010-05-10 | 2011-11-14 | Draka Comteq Bv | An assembly comprising at least one duct and at least one distribution box, and a method of mounting a distribution box to a duct. |
-
2010
- 2010-07-13 CN CN201010228118.1A patent/CN102331609B/en not_active Expired - Fee Related
-
2011
- 2011-07-12 WO PCT/IB2011/053109 patent/WO2012007904A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4236047A (en) * | 1977-12-22 | 1980-11-25 | Siemens Aktiengesellschaft | Sealing device for supporting cables in a cable fitting |
| CN1209912A (en) * | 1996-01-24 | 1999-03-03 | Nv雷伊化学有限公司 | Cable closure |
| CN1926738A (en) * | 2004-02-02 | 2007-03-07 | 3M创新有限公司 | Re-enterable splice enclosure |
| CN201788304U (en) * | 2010-07-13 | 2011-04-06 | 泰科电子(上海)有限公司 | Optical fiber junction box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102331609A (en) | 2012-01-25 |
| WO2012007904A1 (en) | 2012-01-19 |
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