CN112068266A - Sealing structure of optical cable junction box - Google Patents
Sealing structure of optical cable junction box Download PDFInfo
- Publication number
- CN112068266A CN112068266A CN202010860631.6A CN202010860631A CN112068266A CN 112068266 A CN112068266 A CN 112068266A CN 202010860631 A CN202010860631 A CN 202010860631A CN 112068266 A CN112068266 A CN 112068266A
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- CN
- China
- Prior art keywords
- optical cable
- sealing
- sleeve
- box bottom
- junction 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Cable Accessories (AREA)
Abstract
The application relates to a sealing structure of an optical cable junction box, wherein the optical cable junction box comprises a box cover and a box bottom, an optical cable frame is arranged in a cavity of the box bottom, a sealing ring is annularly arranged on the side edge of the butt joint of the box cover and the box bottom, and the end of the sealing ring is butt jointed with a pressure sleeve; the pressing seat is arranged on the outer side wall of the box bottom; an optical cable sleeve is arranged at the position, close to the compression sleeve, of the optical cable frame; the wire sleeve is arranged on the end head of the sealing ring; the pressing sleeve in the sealing sleeve is fixed outside the optical cable by using the pressing seat outside the box bottom, the fixing of the middle position of the optical cable is realized by using the integrated wire sleeve and the pressing sleeve on the side wall of the box bottom, the optical cable is fixed inside the cavity in the box bottom along the optical cable sleeve, and then the sealing structure of the integration is assisted to seal and fix the whole body, so that the stability of the whole body is further improved, and the sealing performance is higher.
Description
Technical Field
The application relates to the field of wiring of optical cables, in particular to a sealing structure of an optical cable junction box.
Background
The optical cable junction box is an indispensable important device in the field of communication, and is a device for connecting and protecting an optical cable. In the long-term research and application popularization of the optical cable junction box, the sealing structure is a long-standing direction, for example: CN 211123428U-a communication optical cable junction box with good sealing effect; the document designs an integrated sealing structure, but the sealing performance of the design in application is not stable enough.
How to further improve the stability of the integrated sealing structure so as to have higher sealing performance.
Disclosure of Invention
The purpose of the application is: the stability of the integrated sealing structure is further improved, so that the integrated sealing structure has higher sealing performance.
The purpose of the application is achieved through the following technical scheme that the optical cable junction box is of a sealing structure and comprises a box cover and a box bottom, an optical cable frame is arranged in a cavity of the box bottom, a sealing ring is annularly arranged on the side edge, butted with the box bottom, of the box cover, and the end of the sealing ring is butted with a pressure sleeve;
the outer side wall of the box bottom is provided with a pressing seat in butt joint with the side wall of the optical cable;
an optical cable sleeve is arranged at the position, close to the compression sleeve, of the optical cable frame;
the end head of the sealing ring is provided with a wire sleeve butted with the side wall of the optical cable;
and a pressing sleeve butted with the side wall of the optical cable is arranged in the pressing sleeve.
Preferably, the optical cable rack comprises a bracket for supporting the whole optical cable rack, and two optical cable sleeves are respectively arranged at two ends of the bracket; and a cable column is fixed on the bracket close to the cable sleeve.
Preferably, a similar oval cable tray is fixed at the middle position of the bracket.
Preferably, the sealing ring comprises a sealing ring body which is of a rectangular structure as a whole, and two wire sleeves are respectively arranged at two ends of the sealing ring body.
Preferably, a rectangular fixing sheet extends between two adjacent wire sleeves; the middle position of the fixing piece is hollowed with a fixing hole.
Preferably, the wire cover extends with a strip-shaped sealing strip towards the fixing piece.
Preferably, the outer side wall of the wire sleeve protrudes outwards to form a semicircular sealing press ring.
Preferably, the sealing sleeve comprises a sealing sheet which extends along the middle position of the sealing sheet to form a sheet shape, the two sides of the sealing sheet are provided with pressing sleeves corresponding to the wire sleeves, and the middle position of the sealing sheet is hollowed with a sealing hole.
Preferably, the outer side wall of the pressing sleeve protrudes outwards to form a semicircular annular pressing ring.
Compared with the prior art, the application has the following obvious advantages and effects:
1. the optical cable is fixed in the outer side by the aid of the pressing seat in the outer side of the box bottom, the optical cable is fixed in the middle position by the aid of the integrated cable sleeve and the pressing sleeve on the side wall of the box bottom, the optical cable is fixed in the inner side along the optical cable sleeve in the cavity in the box bottom, and then the sealing structure of the integrated optical cable is assisted to seal and fix the whole body, so that the stability of the whole body is further improved, and the sealing structure has high sealing performance.
Drawings
Fig. 1 is an exploded schematic view of a cable closure of the present application.
Fig. 2 is a perspective view of the pressing base of fig. 1 of the present application.
Fig. 3 is a perspective view of a cable mount of the present application.
Fig. 4 is a perspective view of another orientation of the cable holder of the present application.
Fig. 5 is a front view of the cable mount of fig. 3 of the present application.
Fig. 6 is a left side view of the cable mount of fig. 3 of the present application.
Fig. 7 is a bottom view of the cable holder of fig. 3 of the present application.
Fig. 8 is a perspective view of a seal ring in the present application.
Fig. 9 is a top view of the cable mount of fig. 8 of the present application.
Fig. 10 is a front view of the cable mount of fig. 8 of the present application.
Fig. 11 is a left side view of the cable mount of fig. 8 of the present application.
Figure 12 is a perspective view of a compression sleeve of the present application.
Figure 13 is a perspective view of the compression sleeve of the present application in another orientation.
Figure 14 is a top view of the compression sleeve of figure 12 of the present application.
Figure 15 is a front view of the compression sleeve of figure 12 of the present application.
Figure 16 is a left side view of the compression sleeve of figure 12 of the present application. Parts list
Detailed Description
Specific embodiments thereof are described below in conjunction with the following description and the accompanying drawings to teach those skilled in the art how to make and use the best mode of the present application. For the purpose of teaching application principles, the following conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the application. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. In the present application, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the invention, and the relative relationship between the terms and the corresponding terms may be changed or adjusted without substantial technical change. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.
Fig. 1 through 16 illustrate one embodiment of a sealing structure for a cable closure according to the present application.
With reference to fig. 1, fig. 3, fig. 5, fig. 8, and fig. 12, in the embodiment of the present application, the optical cable connection box includes a box cover 1, a box bottom 2, an optical cable frame 3, a sealing ring 4, and a pressure sealing sleeve 5, in the sealing structure of the optical cable connection box, the sealing ring 4 and the pressure sealing sleeve 5 are disposed between the box cover 1 and the box bottom 2 to perform sealing at an intermediate position, so as to assist the sealing at the intermediate position, and therefore, positioning of the structure is performed along the inside and the outside of the optical cable connection box, so that the sealing structure can be more stably attached, not only the integrated sealing is realized, but also the stability of the whole sealing structure is improved, thereby the whole structure.
As shown in figure 1, the strip-shaped optical cable frame 3 is arranged in the cavity of the box bottom 2, and after the optical cable enters the box bottom 2 through the optical cable frame 3, the optical cable is locked and fixed along the inside of the box bottom, so that the positioned sealing is more stable.
The side edge of the box cover 1, which is in butt joint with the box bottom 2, is provided with a sealing ring 4 in a rectangular structure in an encircling manner, wherein the integrated sealing ring 4 is set according to the shape of the optical cable junction box, the middle cross section of the optical cable junction box is in a rectangular structure, and therefore, the sealing ring 4 is rectangular, for example, the middle cross section of the optical cable junction box is oval, and then the sealing ring 4 is oval.
In laying the optical cable terminal box for making things convenient for the optical cable, set up the end of sealing ring 4 into the isolating construction, dock through the structure of separation, and then realize stable butt joint, wherein, 4 ends of sealing ring are sunken downwards, and this sunken position is laid the optical cable after, along butt joint pressure sleeve 5 on the optical cable, and then make the end of sealing ring 4 and pressure sleeve 5 combine to become the whole that the optical cable is sealed.
Furthermore, after the end of the sealing ring 4 is in butt joint with the sealing sleeve 5 for fixing and sealing, in order to prevent the outside optical cable from deforming to cause outside sealing leakage, an outer optical cable clamping seat 21 for fixing the optical cable is arranged on the outer side wall of the box bottom 2, and the optical cable is fixed on the outer side wall of the box bottom 2. Therefore, the outer side wall of the box bottom 2 is provided with an outer cable holder 21 butted with the side wall of the optical cable.
Furthermore, after the end of the sealing ring 4 is fixedly sealed with the sealing sleeve 5 in a butt joint manner, in order to prevent leakage caused by deformation of the inner-side optical cable, an inner optical cable holder 32 is fixed on the optical cable frame 3 along the inner cavity of the box bottom 2, and the inner cavity of the optical cable is positioned through the inner optical cable holder 32. Therefore, the cable holder 3 is provided with an inner cable holder 32 at a position close to the pressure sleeve 5, so that the optical cable can be smoothly fixed in the inner cavity.
It should be noted that, in the sealing structure at the side wall of the box bottom 2, that is, the sealing and fixing structure at the middle position of the optical cable, the wire sleeve 42 is recessed downward and is fixedly attached to the bottom surface at the middle position of the optical cable to realize sealing, specifically, the end of the sealing ring 4 is provided with the wire sleeve 42 butted with the side wall of the optical cable bottom, the cross section of the wire sleeve 42 is similar to a circular arc structure, and as shown in fig. 3, two wire sleeves 42 are provided at one end, and 4 wire sleeves 42 are provided in total.
After the cable jacket 42 seals the bottom side of the middle position of the optical cable, the cable jacket is sealed and fixed along the upper side of the middle position of the optical cable to form the sheet-shaped compression sleeve 5, and the compression sleeve 52 is respectively arranged on both sides of the compression sleeve 5 to realize butt sealing of the compression sleeve 52 to the top side wall of the optical cable.
Therefore, the optical cable is sealed at the middle position on the side wall of the box bottom 2, and the outer side wall position of the box bottom 2 and the inner cavity position of the box bottom 2 are fixed; the triple is fixed and sealed in the middle and outside of formation to the outer optical cable that forms the box bottom 2 outside presss from both sides seat 21 and fixes the optical cable outside, and the line cover 42 and the pressure cover 52 of integration on the box bottom 2 lateral wall realize the fixed of optical cable intermediate position, press from both sides the seat 32 and carry out inboard fixed to the optical cable along the interior optical cable in the cavity in the box bottom 2, and then supplementary integrated seal structure carries out holistic sealed and fixed, with the stability of further improvement sealed whole, thereby has higher sealing performance.
As shown in fig. 3, the cable holder 3 specifically includes a support 31, four inner cable holders 32, four strength member fixing posts 33, and a cable melting tray 34.
The support 31 is a long strip-shaped structure and is filled along the inner cavity of the box bottom 2 to form a supporting structure in the inner cavity of the box bottom 2, two inner optical cable holders 32 are respectively arranged at the left end and the right end of the support 31, one inner optical cable holder 32 is in butt joint with one wire sleeve 42 and is positioned at the inner side opening of the box bottom 2, after an optical cable enters, the optical cable is positioned by the inner optical cable holders 32, and when the optical cable enters the middle position of the inner cavity of the box bottom 2, the positions of the optical cable are separated or bundled and positioned by the reinforcing core fixing columns 33 at the left end and the right end of the support 31, so that the reinforcing core fixing columns 33 are fixedly arranged on the support 31 near the inner optical cable holders 32.
It should be noted that, after the optical cable is further fixed by the strength member fixing post 33, the optical cable is split and butted or welded by using the optical cable melting fiber tray 34 fixed at the middle position of the bracket 31, wherein the shape of the optical cable melting fiber tray 34 is combined with the cross-sectional shape of the inner cavity of the box bottom 2, in this application, the optical cable melting fiber tray 34 is similar to an ellipse, and may be configured in other shapes such as a rectangle or a disc.
Referring to fig. 1, 8, 9 and 10, it should be noted that, in the overall structure of the sealing ring 4, as can be seen from fig. 8, the sealing ring 4 is a rectangular structure as a whole, wherein the sealing ring body 41 where the box cover 1 and the box bottom 2 are butted is also a rectangular structure, and two wire sleeves 42 are respectively arranged along two ends of the sealing ring body 41, that is, a structure that is recessed downward and butted against the bottom surface of the optical cable.
It should be further noted that, in order to improve the tightness of the butt joint between the wire sleeves 42 and the box bottom 2, especially when the box cover 1 is butt jointed with the box bottom 2, a fixing piece 43 is disposed between two adjacent wire sleeves 42, wherein the fixing piece 43 is disposed between two adjacent wire sleeves 42, the fixing piece 43 is in a regular rectangular structure, which is convenient for mold opening and processing, and further, the fixing hole 44 is hollowed out in the middle position of the fixing piece 43 to facilitate positioning and fixing between the whole fixed sealing ring 4 and the box bottom 2, so that the fixing bolt between the box cover 1 and the box bottom 2 is inserted through the fixing hole 44.
Specifically, in order to further improve the sealing performance between the wire cover 42 and the fixing plate 43, when the two are combined, the wire cover 42 extends to the fixing plate 43 to form a strip-shaped sealing strip 421, the gap at the connection position is sealed by the sealing strip 421, the shape of the sealing strip 421 can be a straight strip, a curved strip, a bent strip or a folded strip, and the sealing strip 421 is matched with the shape of the sealed gap.
It should be noted that, in the sealing process, in order to realize tight press fit and multi-layer stress, a plurality of semi-circular sealing press rings 422 are protruded outwards along the outer side wall of the cable sheath 42, as shown in the structure in fig. 10, when the optical cables are butted, multi-stage annular sealing can be formed.
With reference to fig. 1 and fig. 12 to 16, it should be noted that the sealing sleeve 5 between the box cover 1 and the box bottom 2 has the function of abutting against the sealing press ring 422, and the two semicircular sections are spliced to form a complete circle of the sealed optical cable. The sealing sleeve 5 is provided with a sealing sheet 51 extending along the middle position thereof and in a sheet shape, a sealing hole 53 is hollowed in the middle position of the sealing sheet 51 and the sealing sheet 51 to form a matching structure, the sealing sheet 51 is attached to the fixing sheet 43, the sealing hole 53 is matched with the fixing hole 44, and the two are combined to form a stable butt joint structure.
And two sides of the pressing sheet 51 are respectively provided with a pressing sleeve 52, the semicircular section of the pressing sleeve 52 corresponds to the semicircular section of the wire sleeve 42, and the pressing sleeve 52 and the wire sleeve 42 jointly press and seal the optical cable. Therefore, the outer side wall of the pressing sleeve 52 protrudes outwards to form a semicircular sealing ring 522, and the sealing ring 522 and the sealing ring 422 are butted together to form a multi-stage sealing structure of the optical cable on the side wall of the box bottom 2, so that the sealing performance is further enhanced.
Since any modifications, equivalents, improvements, etc. made within the spirit and principles of the application may readily occur to those skilled in the art, it is intended to be included within the scope of the claims of this application.
Claims (9)
1. A sealing structure of an optical cable junction box comprises a box cover (1) and a box bottom (2), wherein an optical cable frame (3) is arranged in a cavity of the box bottom (2), and a sealing ring (4) is annularly arranged on the side edge, butted with the box bottom (2), of the box cover (1), and is characterized in that the end of the sealing ring (4) is butted with a pressure sleeve (5);
the outer side wall of the box bottom (2) is provided with an outer optical cable clamping seat (21) butted with the side wall of the optical cable;
an inner optical cable clamping seat (32) is arranged at the position, close to the compression sleeve (5), of the optical cable frame (3);
the end of the sealing ring (4) is provided with a wire sleeve (42) butted with the side wall of the optical cable;
and a pressing sleeve (52) butted with the side wall of the optical cable is arranged in the pressing sleeve (5).
2. A sealing structure of an optical cable junction box according to claim 1, wherein: the optical cable frame (3) comprises a support (31) for supporting the whole optical cable frame, and two inner optical cable clamping seats (32) are respectively arranged at two ends of the support (31); a reinforced core fixing column (33) is fixed on the bracket (31) close to the inner optical cable holder (32).
3. A sealing structure of an optical cable junction box according to claim 2, wherein: an oval-like optical cable fiber melting disc (34) is fixed in the middle of the bracket (31).
4. A sealing structure of an optical cable junction box according to claim 1, wherein: the sealing ring (4) comprises a sealing ring body (41) which is integrally of a rectangular structure, and two wire sleeves (42) are respectively arranged at two ends of the sealing ring body (41).
5. The sealing structure of an optical cable junction box according to claim 4, wherein: a rectangular fixing piece (43) extends between two adjacent wire sleeves (42); a fixing hole (44) is hollowed out at the middle position of the fixing sheet (43).
6. The sealing structure of an optical cable junction box according to claim 5, wherein: the wire sleeve (42) extends to the fixing piece (43) to form a strip-shaped sealing strip (421).
7. The sealing structure of an optical cable junction box according to claim 5, wherein: the outer side wall of the wire sleeve (42) protrudes outwards to form a semicircular sealing pressure ring (422).
8. A sealing structure of an optical cable junction box according to claim 1, wherein: the sealing sleeve (5) comprises a sheet-shaped sealing sheet (51) extending along the middle position of the sealing sleeve, pressing sleeves (52) corresponding to the wire sleeves (42) are arranged on two sides of the sealing sheet (51), and sealing holes (53) are hollowed in the middle position of the sealing sheet (51).
9. A sealing structure of an optical cable junction box according to claim 8, wherein: the outer side wall of the pressing sleeve (52) protrudes outwards to form a semicircular annular pressing ring (522).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860631.6A CN112068266A (en) | 2020-08-25 | 2020-08-25 | Sealing structure of optical cable junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860631.6A CN112068266A (en) | 2020-08-25 | 2020-08-25 | Sealing structure of optical cable junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112068266A true CN112068266A (en) | 2020-12-11 |
Family
ID=73659271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010860631.6A Pending CN112068266A (en) | 2020-08-25 | 2020-08-25 | Sealing structure of optical cable junction box |
Country Status (1)
| Country | Link |
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| CN (1) | CN112068266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779416A (en) * | 2022-03-23 | 2022-07-22 | 浙江光孚通信科技有限公司 | Optical cable connector box and installation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060117095A (en) * | 2005-05-12 | 2006-11-16 | 삼진정보통신(주) | Fiber optic closure |
| CN109884756A (en) * | 2018-12-12 | 2019-06-14 | 金华八达集团有限公司科技信息分公司 | A kind of cable splice closure |
| CN210109420U (en) * | 2019-07-08 | 2020-02-21 | 浙江宏盛通信技术有限公司 | Glue injection type optical cable joint box |
| CN211123428U (en) * | 2020-01-19 | 2020-07-28 | 稂奇广 | Sealed effectual optical cable terminal box for communication |
| CN212515166U (en) * | 2020-08-25 | 2021-02-09 | 浙江光孚通信科技有限公司 | Sealing structure of optical cable junction box |
-
2020
- 2020-08-25 CN CN202010860631.6A patent/CN112068266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060117095A (en) * | 2005-05-12 | 2006-11-16 | 삼진정보통신(주) | Fiber optic closure |
| CN109884756A (en) * | 2018-12-12 | 2019-06-14 | 金华八达集团有限公司科技信息分公司 | A kind of cable splice closure |
| CN210109420U (en) * | 2019-07-08 | 2020-02-21 | 浙江宏盛通信技术有限公司 | Glue injection type optical cable joint box |
| CN211123428U (en) * | 2020-01-19 | 2020-07-28 | 稂奇广 | Sealed effectual optical cable terminal box for communication |
| CN212515166U (en) * | 2020-08-25 | 2021-02-09 | 浙江光孚通信科技有限公司 | Sealing structure of optical cable junction box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779416A (en) * | 2022-03-23 | 2022-07-22 | 浙江光孚通信科技有限公司 | Optical cable connector box and installation method thereof |
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