CN202421593U - Sealing ring and cable junction box - Google Patents
Sealing ring and cable junction box Download PDFInfo
- Publication number
- CN202421593U CN202421593U CN2012200546784U CN201220054678U CN202421593U CN 202421593 U CN202421593 U CN 202421593U CN 2012200546784 U CN2012200546784 U CN 2012200546784U CN 201220054678 U CN201220054678 U CN 201220054678U CN 202421593 U CN202421593 U CN 202421593U
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- CN
- China
- Prior art keywords
- cable
- sealing ring
- circumferential body
- elastic webbing
- opening
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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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Abstract
The utility model discloses a sealing ring (10) used for a cable (300). The sealing ring comprises an annular main body (11) formed by the winding of elastic belts, and an extended part, wherein two adjacent elastic belt layers are detachably bonded, the annular main body comprises a shrinkable opening which penetrates through one side of the annular main body and is formed by radial cutting; one part of the cable can pass through the shrinkable opening along the radial direction to enter the inner part of the annular main body; and the extended part (13) extends from the elastic belt of the outermost layer of the annular main body and can be bonded on the elastic belt of the outermost layer so as to cover the shrinkable opening. The utility model further provides a cable junction box (100) including the sealing ring. The sealing ring and the cable junction box have the advantages that the inner diameter of the elastic sealing ring arranged in the cable path can be changed, so that the cables in different outer-diameters are sealed well.
Description
Technical field
The utility model relates to a kind of be used to seal the cable termination that the cable continual-connecting-part divides, the cable splice tray that relates in particular to a kind of sealing ring of salable cable passage and comprise the device sealing ring.
Background technology
The cable splice tray like fiber optic closure or cable connecting box, is the box body that is used for connecting two or more cables.This splice tray is provided with the cable passage that the cable that continued is therefrom passed through.When using this cable splice tray, not only box body itself needs sealing, and through wires hole also needs sealing.In traditional cable splice tray, usually a grommet type seals is arranged in the cable passage, thereby realizes sealing the cable passage.In seal process to the cable passage, earlier grommet type seals is enclosed within by on the cable that continues, then this cable is passed the cable passage, afterwards grommet type seals is fixed in the cable passage, thereby makes the cable passage sealing.But the O-ring seal of this annular is only applicable to the end that continues of a cable that is continued is passed the continuation method of cable passage.
But in other a kind of continuation method, defaulted in the cable passage like the cable that will be continued, perhaps the part of cable is blocked and is used to continue, and this moment, other a part of cable still was in connection status.In this case, owing to do not have to penetrate the joint of grommet type seals, so original grommet type seals can't be used.So in traditional cable splice tray; Use adhesive tape being wrapped on the cable in layer; When the size of the diameter of the adhesive tape on the cable and cable passage adapts, with the cable partial fixing that is enclosed with adhesive tape on the cable passage, thereby reach the effect of sealing.The shortcoming of this encapsulating method is to waste time and energy, and what need that workman one encloses is entangled in adhesive tape on the cable inconvenience very.And, be difficult to be controlled at the sealing at place, cable passage because winding mass varies with each individual.
At notification number is in the Chinese invention patent of CN201876580U; In the cable passage, place elastic sealing ring 200 as shown in Figure 8; Sealing ring 200 comprises closeable opening 201, and opening 201 comprises two composition surfaces and is configured to run through said sealing ring along the radial direction of sealing ring 200.Owing to be provided with sealing ring 200 with opening 201; The part of cable 300 can be passed opening 201 in the inner cylindrical space of the sidepiece entering sealing ring 200 of sealing ring 200 along the radial direction of sealing ring 200; Avoided in layer on cable, twine adhesive tape, simple to operation
The utility model content
The cable splice tray that the utility model provides a kind of sealing ring of salable cable passage and comprises this sealing ring can change the internal diameter that is arranged on the elastic sealing ring in the cable passage, thereby can seal the cable with various outer diameter well.
Embodiment according to the aspect of the utility model; A kind of sealing ring that is used for cable is provided; Comprise: circumferential body, be entwined by elastic webbing, bonding separably between the adjacent two-layer elastic webbing; Said circumferential body has the collapsible opening of a side that runs through said circumferential body that forms through radial cuts, and the part of said cable can be passed said collapsible opening along said radial direction and got into the inside of said circumferential body; And extension, said extension extends from the outermost elastic webbing of circumferential body, and can stick on the said outermost elastic webbing, to cover said scalable opening.
In above-mentioned sealing ring, said elastic webbing has viscosity.
In above-mentioned sealing ring, scribble bonding agent between the adjacent two-layer said elastic webbing.
In above-mentioned sealing ring, scribble bonding agent at least one in two facing surfaces of said scalable opening.
In above-mentioned sealing ring, the internal diameter of said circumferential body is not more than the external diameter of said cable.
According to the embodiment on the other hand of the utility model, a kind of cable splice tray is provided, comprising: bottom; The loam cake that cooperates with said bottom; The accommodation section that said bottom and said loam cake limit, an end of described accommodation section forms the cable passage that supplies cable to pass through; Be placed on above-mentioned any elastic sealing ring in the described accommodation section.
In above-mentioned cable splice tray, the external diameter of said sealing ring is greater than the internal diameter of said cable passage.
Cable splice tray according to the embodiment of the utility model; Be provided with sealing ring with opening; The part of cable can pass opening along the radial direction of sealing ring and get in the inner cylindrical space of sealing ring from the sidepiece of sealing ring, avoided in layer on cable, twine adhesive tape.Owing to can change the internal diameter that is arranged on the elastic sealing ring in the cable passage, thereby can seal cable well with various outer diameter.Further, behind closing any opening, the elastic webbing that outermost one is enclosed is coated on the sealing ring, thereby makes opening closed effectively.
Description of drawings
Fig. 1 is the sectional perspective synoptic diagram according to the cable splice tray of a kind of embodiment of the utility model;
Fig. 2 is the schematic perspective view after the loam cake that removes of cable splice tray shown in Figure 1;
Fig. 3 is the schematic perspective view according to the sealing ring of a kind of embodiment of the utility model;
Fig. 4-the 7th is installed in the operating process synoptic diagram on the cable with the sealing ring of the utility model;
Fig. 8 is the schematic perspective view of sealing ring in the prior art; And
Fig. 9 is that the sealing ring with Fig. 8 is installed in the operation chart on the cable.
Embodiment
Describe the embodiment of the exemplary of the utility model below in detail, the example of embodiment is shown in the drawings, and wherein same or analogous label is represented same or analogous element.The embodiment that is described with reference to the drawings below is exemplary, is intended to explain the utility model, and can not be interpreted as the restriction to the utility model.
Shown in Fig. 1-7, be example with the optical cable connecting box of the optical cable that is used to continue, a kind of exemplary embodiment of the cable splice tray 100 of the utility model is described.This cable splice tray 100 comprises: bottom 20; The loam cake 30 that cooperates with bottom 2; The accommodation section 40 that bottom 20 and loam cake 30 limit, the cable passage 41 that an end of described accommodation section 40 becomes to supply cable to pass through; And be placed on the elastic sealing ring 10 in the accommodation section 40.Shown in Fig. 3-5; In a kind of embodiment of the utility model; Sealing ring 10 comprises: circumferential body 11, be entwined layer by layer by elastic webbing, and be bonded together separably between the adjacent two-layer elastic webbing; Circumferential body 11 has the collapsible opening 12 of a side that runs through circumferential body 11 that forms through the instrument radial cuts of utilizing scissors and so on, and the part of cable 300 can be passed collapsible opening 12 along the radial direction of circumferential body 11 and got into the inside of circumferential body 11; And extension 13, said extension 13 extends from the outermost elastic webbing of circumferential body 11 integratedly, and can stick on the outermost elastic webbing, to cover scalable opening 12 (referring to Fig. 3 and 7).
That is to say that circumferential body 11 is untight ring texture, and form collapsible opening 12 at untight position, promptly the cross section of circumferential body 11 is similar to the cross section of piston ring.Like this; Shown in Fig. 6 and 7; The part of cable 300 is radially passed collapsible opening 12 and is got in the inner cylindrical space of circumferential body 11 from the sidepiece of circumferential body 11, rather than an end of cable 300 axis direction along circumferential body 11 is inserted in the cylindrical space of circumferential body 11.Adopt this hatch frame; Even if defaulted in the cable passage 41 by cable 300; Perhaps the part of cable 300 is blocked and is used to continue; When yet a part still is in connection status in addition, also can make the part of cable 300 radially pass collapsible opening 12 in the cylindrical space of sidepiece entering circumferential body 11, again extension 13 sticked on the outermost elastic webbing of circumferential body 11 afterwards.Therefore, made things convenient for the installation of sealing ring 10 and fixing.
Particularly, in the sealing ring 10 of the utility model, circumferential body 11 is entwined by elastic webbing, and bonding separably between the adjacent two-layer elastic webbing.Usually, the internal diameter of circumferential body 11 is not more than the external diameter of cable that maybe external diameter in the cable that sealed is minimum, and promptly the internal diameter of circumferential body 11 generally is not more than the external diameter with the cable 300 that is sealed.Can be according to the external diameter of the cable 300 that will be sealed size, correspondingly peel off one deck even multilayer elastic band more, so that the internal diameter of the circumferential body 11 after peeling off is corresponding with the external diameter of cable 300 from the inboard of circumferential body 11.Like this; Do not take place at whole sealing ring 10 can closely coat cable 300 under the situation of moderate finite deformation; But also can keep two facing surfaces of collapsible opening 12 closely to contact, thereby guarantee reliable sealing of 10 pairs of cables 300 of sealing ring by extension 13 tightly.
In a further embodiment, have viscosity, thereby guarantee bonding between the adjacent two layers elastic webbing owing to form the elastic webbing of circumferential body 11 itself.In a kind of interchangeable embodiment, can scribble bonding agent between the adjacent two-layer elastic webbing, even if elastic webbing itself does not have viscosity like this, also can guarantee bonding between the adjacent two layers elastic webbing.In a further embodiment; The external diameter of sealing ring 10 is greater than the internal diameter of cable passage 41; When the rubber-like sealing ring that is coated with cable 300 10 next-door neighbour cable passages 41 placed accommodation section 40, sealing ring 10 received the extruding of cable passage 41 inwalls, thereby made cable passage 41 sealings.Alternatively, scribble bonding agent at least one in two facing surfaces of scalable opening 12, can further strengthen the sealing of whole sealing ring 10 like this.
In a kind of exemplary embodiment, serve as reasons and be respectively formed at the cylindrical space that is recessed to form in bottom 20 and the loam cake 30 in accommodation section 40.Also can serve as reasons and be respectively formed at the cylindrical space that is recessed to form in bottom 20 and the loam cake 30 in cable passage 41.When bottom 20 fastened with loam cake 30, accommodation section 40 connected with cable passage 41, and has preset cable 300 from cable passage 41, to pass.The diameter of cylindrical space that is appreciated that accommodation section 40 helps sealing ring 10 is positioned in the accommodation section 40 greater than the diameter of the cylindrical space of cable passage 41 like this.But the diameter that is appreciated that the cylindrical space of accommodation section 40 also can equal the diameter of the cylindrical space of cable passage 41, and promptly a cylindrical space is shared with cable passage 41 in accommodation section 40.
2-7 describes the operating process of the cable splice tray of the utility model with reference to the accompanying drawings.
The method that in the cable splice tray 100 of above-mentioned each embodiment, seals cable 300 according to the utility model; As stated; Cable splice tray 100 comprises: bottom 20, the loam cake 30 that cooperates with bottom 20 and the accommodation section 40 that is limited bottom 20 and loam cake 30, an end of described accommodation section 40 forms the cable passage 41 that supplies cable to pass through.The method of sealing cable 300 comprises the steps: to twine continuously elastic webbing; Circumferential body 11 with the for example similar overlapping from level to level insulating tape shape that is formed with the folded sealing of multilayer elastic belt is bonded together between the wherein adjacent two-layer elastic webbing separably.Afterwards, the extension 13 of the end of the outermost elastic webbing of maintenance circumferential body 11 breaks away from outermost elastic webbing.General, extension 13 is to form through on a complete sealing ring 10, peeling off outermost elastic webbing, but still keeps this outermost elastic webbing to be connected with other elastic webbings are complete.
Afterwards, radial cuts is removed annular main body 11, to form the collapsible opening 12 (referring to Fig. 4) of a side that radially runs through circumferential body 11.That is, a cutter head of a scissors is stretched into the inside of the circumferential body 11 of sealing, another cutter head is externally cut off the circumferential body 11 of sealing, has the circumferential body 11 of collapsible opening 12 thereby form.In the another kind of embodiment of the utility model, also can use cutter to scratch the circumferential body 11 of sealing, that is, cutter is placed the inside of the sealing ring of sealing, the edge of a knife outwards firmly, is scratched the circumferential body 11 of described sealing outwardly.Select sharp scissors or cutter as far as possible, thereby when cutting off or cut the circumferential body 11 of sealing, guarantee the planarization of the relative wall surface of collapsible opening 12.Like this, after circumferential body 11 is cut open, can keep the cleaning of the wall surface of collapsible opening 12, help better to guarantee sealing effectiveness cable passage 41.
Afterwards, as shown in Figure 6, open collapsible opening 12, the part of cable 300 is passed collapsible opening 12 along the radial direction of circumferential body 11 get into the inside of circumferential body 11; Make collapsible opening 12 closures, and extension 13 is striden across collapsible opening 12 and is bonded in the outside of circumferential body 11, be coated on the outside sealing ring 10 (referring to Fig. 7) of cable 300 to seal collapsible opening 12 and to form; The sealing ring 10 that has coated cable 300 is placed on (referring to Fig. 2) in the accommodation section 40.At last, closed bottom 20 and loam cake 30 are to compress sealing ring 10.
The sealing ring 10 that is appreciated that the utility model can be as shown in Figure 3, promptly processes collapsible opening 12 in advance in factory, and be coated on circumferential body 11 outsides with extension 13.At needs sealing ring 10 is installed to 100 last times of cable splice tray, again extension 13 is peeled off circumferential body 11.In a kind of interchangeable embodiment; Process prefabricated sealing ring in advance with collapsible opening 12 in factory; Just prefabricated sealing ring is installed to 100 last times of cable splice tray at needs; Again the outermost elastic webbing of prefabricated sealing ring is peeled off circumferential body 11, form extension 13, cut circumferential body 11 afterwards and form collapsible opening 12.
In the further embodiment of a method of the utility model sealing cable; After forming scalable opening 12; As shown in Figure 5; Comprise according to the external diameter of 300 cables and peel off the step of one deck elastic webbing at least from the inboard of circumferential body 11, so that the internal diameter of the circumferential body 11 after peeling off is corresponding with the external diameter of cable 300.Like this, after collapsible opening 12 closures, can make the fully closely contact of two relative walls of collapsible opening 12, thereby guarantee reliable sealing of 10 pairs of cables 300 of sealing ring tightly.Further, after opening collapsible opening 12 and make collapsible opening 12 closed before coated with adhesive in two facing surfaces of scalable opening 12 at least one, with the sealing of the whole sealing ring 10 of further enhancing.
Cable splice tray 100 according to the embodiment of the utility model; Owing to be provided with sealing ring 10 with opening 12; The part of cable 300 can be passed opening 12 in the inner cylindrical space of the sidepiece entering circumferential body 11 of circumferential body 11 along the radial direction of circumferential body 11; Avoided in layer on cable 300, twine sealing joint strip, simple to operation.Particularly; Owing to can peel off elastic webbing from level to level through inside from circumferential body 11; Change is arranged on the internal diameter of the elastic sealing ring in the cable passage 41, thereby can adapt to the cable 300 with various outer diameter, and the cable with various outer diameter is sealed well.Further, behind the collapsible opening of closure, the elastic webbing that outermost one is enclosed is coated on the sealing ring, thereby makes opening closed effectively.
Though the optical cable connecting box with the optical cable that is used to continue is the cable splice tray that example has been described the utility model above, the hermetically-sealed construction of cable splice tray that is appreciated that the utility model is also applicable to the sealing to the head that continues of conducting metal cable.
It will be appreciated by those skilled in the art that; Above described embodiment all be exemplary; And those skilled in the art can make improvements; Can carry out independent assortment under the situation of the conflict of the structure described in the various embodiment aspect not recurring structure or principle, thereby on the basis of the technical matters that solves the utility model, realize more kinds of cable splice trays.
Although illustrated and described the embodiment of the utility model, for those of ordinary skill in the art, be appreciated that under the situation of principle that does not break away from the utility model and spirit and can change these embodiment.The scope of application of the utility model is limited accompanying claims and equivalent thereof.
Claims (7)
1. a sealing ring (10) that is used for cable (300) is characterized in that, comprising:
Circumferential body (11); Be entwined by elastic webbing; Bonding separably between the adjacent two-layer elastic webbing; Said circumferential body has the collapsible opening (12) of a side that runs through said circumferential body that forms through radial cuts, and the part of said cable can be passed said collapsible opening along said radial direction and got into the inside of said circumferential body; And
Extension (13), said extension extends from the outermost elastic webbing of circumferential body, and can stick on the said outermost elastic webbing, to cover said scalable opening.
2. sealing ring as claimed in claim 1, wherein, said elastic webbing has viscosity.
3. sealing ring as claimed in claim 1 wherein, scribbles bonding agent between the adjacent two-layer said elastic webbing.
4. sealing ring as claimed in claim 3 wherein, scribbles bonding agent at least one in two facing surfaces of said scalable opening.
5. like each described sealing ring among the claim 1-4, wherein, the internal diameter of said circumferential body is not more than the external diameter of said cable.
6. a cable splice tray (100) comprising:
Bottom (20);
The loam cake (30) that cooperates with said bottom;
The accommodation section (40) that said bottom and said loam cake limit, an end of described accommodation section forms the cable passage (41) that supplies cable to pass through;
Be placed in the described accommodation section like each the described elastic sealing ring (10) among the claim 1-5.
7. cable splice tray as claimed in claim 6, wherein, the external diameter of said sealing ring is greater than the internal diameter of said cable passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200546784U CN202421593U (en) | 2012-02-20 | 2012-02-20 | Sealing ring and cable junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200546784U CN202421593U (en) | 2012-02-20 | 2012-02-20 | Sealing ring and cable junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421593U true CN202421593U (en) | 2012-09-05 |
Family
ID=46746341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200546784U Expired - Fee Related CN202421593U (en) | 2012-02-20 | 2012-02-20 | Sealing ring and cable junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421593U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257416A (en) * | 2012-02-20 | 2013-08-21 | 泰科电子(上海)有限公司 | Sealing ring, cable wiring box and method for sealing cable in cable wiring box |
| CN105684248A (en) * | 2013-10-31 | 2016-06-15 | Mct布莱特堡股份公司 | Insert block half |
| CN107104400A (en) * | 2017-05-12 | 2017-08-29 | 中车唐山机车车辆有限公司 | Flexible pipe protector for car body lintel hole |
| WO2018000074A1 (en) * | 2016-06-27 | 2018-01-04 | Volvo Group Canada Inc. | Cable sealing device for an electrical junction box |
| CN111817233A (en) * | 2020-08-12 | 2020-10-23 | 惠安县崇武镇兴钗茶具商行 | Cable wall-penetrating protection device |
-
2012
- 2012-02-20 CN CN2012200546784U patent/CN202421593U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257416A (en) * | 2012-02-20 | 2013-08-21 | 泰科电子(上海)有限公司 | Sealing ring, cable wiring box and method for sealing cable in cable wiring box |
| CN103257416B (en) * | 2012-02-20 | 2016-08-24 | 泰科电子(上海)有限公司 | Sealing ring, cable connecting box and the method sealing cable in cable connecting box |
| CN105684248A (en) * | 2013-10-31 | 2016-06-15 | Mct布莱特堡股份公司 | Insert block half |
| WO2018000074A1 (en) * | 2016-06-27 | 2018-01-04 | Volvo Group Canada Inc. | Cable sealing device for an electrical junction box |
| CN107104400A (en) * | 2017-05-12 | 2017-08-29 | 中车唐山机车车辆有限公司 | Flexible pipe protector for car body lintel hole |
| CN111817233A (en) * | 2020-08-12 | 2020-10-23 | 惠安县崇武镇兴钗茶具商行 | Cable wall-penetrating protection device |
| CN111817233B (en) * | 2020-08-12 | 2021-06-29 | 惠安县崇武镇兴钗茶具商行 | Cable wall-penetrating protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20200220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |