CN102767646A - Electric cable incoming line sealing device and distribution box provided with same - Google Patents
Electric cable incoming line sealing device and distribution box provided with same Download PDFInfo
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- CN102767646A CN102767646A CN2012102286485A CN201210228648A CN102767646A CN 102767646 A CN102767646 A CN 102767646A CN 2012102286485 A CN2012102286485 A CN 2012102286485A CN 201210228648 A CN201210228648 A CN 201210228648A CN 102767646 A CN102767646 A CN 102767646A
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Abstract
An electric cable incoming line sealing device includes a structural main body, a sealing piece sleeved on the electric cable incoming line in a hooping manner, and a mounting piece used for mounting the structural main body on a distribution box, wherein the structural main body includes a cubic lower cover and a cubic upper cover; the end part of the cover opening of the lower cover is matched with a wiring opening of the distribution box, and is connected with the distribution box through the mounting piece; the upper cover is sleeved at the outer part of the lower cover, and is fixed on the lower cover through hardware; at least one corresponding through hole is arranged in the cover top surface, opposite to the cover opening, of the upper cover, and at least one corresponding through hole is arranged in the cover top surface, opposite to the cover opening, of the lower cover, and the through holes are electric cable entrance holes; the sealing piece is a diaphragm seal made of flexible glue with enough toughness; and the diaphragm seal is clamped between the upper cover and the lower cover, and separates the electric cable entrance holes of the upper and the lower covers on the two sides of the diaphragm seal. The electric cable incoming line sealing device provided by the invention has a simple structure and is low in cost, holes are not needed to be field formed in the distribution box, and the sealing device adapts to various cables of different diameters for entrance.
Description
Technical field
The present invention relates to a kind of be used on the distributed board outdoor be used for inlet wire the time seal arrangement that seals, relate in particular to a kind of flexible glue film that adopts and realize the seal arrangement that seals, also relate to a kind of distribution box with sealing device.
Background technique
Distribution box is according to the electrical wiring requirement switching device, instrumentation, protection electrical equipment and supplementary equipment to be assembled in the power distribution unit in the casing.The distribution box of outwork requires the hole place of turnover cable on its sidewall can realize sealing, prevents the entering of rainwater and dust, and existing technology adopts the long cable section of ingoing line Glan to realize usually.Like Fig. 1, shown in 2; The cable turnover line annex of the bolt arrangement that existing long cable section of ingoing line Glan is a kind of similar band through hole; Generally form by Glan main body 21 ＇, Glan tightening nut 22 ＇, Glan locking nut 23 ＇, gland circle 24 ＇; Glan main body 21 ＇ are the tubular structure of an outside both end thread normally; The screw thread of one end is connected with Glan tightening nut 22 ＇, is used for Glan is installed on the cable through-hole of distribution box 1, and cable 3 passes from the pore of Glan main body 21 ＇; Gland circle 24 ＇ are enclosed within on the cable 3, and Glan locking nut 23 ＇ are threaded with the outer end of Glan main body 21 ＇ and gland circle 24 ＇ are pressed in the Glan main body 21.For improving the water-proof performance of distribution box, the mounting end place of the Glan main body of also being everlasting 21 ＇ sets up seal ring becomes the double-sealing Glan.
Though existing long cable section of ingoing line Glan has many modified models or increases the structure mutation of new function, changes ten thousand times without leaving the original aim or stand, basic structure does not break away from aforesaid composition member.Its deficiency is: distribution box is at the scene during the distribution wiring; When needing site operation, just opens the cable through-hole on the distribution box; Because the diameter of cable and quantity tend to need to change because of different distribution; Have very big randomness, must the inlet wire Glan of perforate and equipped good corresponding specification is carried out at the scene of distribution box installation according to the actual conditions of cable after, could accomplish the sealing of cable turnover line.The site operation amount is bigger, and the labor intensity of construction is high, and also high to workmen's labour skill requirement, efficiency of construction is lower, causes construction cost also higher.In addition, as far as the production firm of Glan, need tool to produce the Glan of multiple different size, investment is big, cost is high.
When getting into distribution box for the cable of big cable such as M60 even larger diameter, after boring on the sidewall of distribution box and inserting cable, the then normal materials such as anti-chamotte or silica cement that adopt of its sealing are filled out the hole that envelope is bored, to reach the water proof and dust proof requirement.In this process, be prone to because of workmen's technical ability reason of constructing causes problems such as poorly sealed, it is accidents caused to make water, dust etc. get into distribution boxs.
Summary of the invention
First purpose of the present invention provide a kind of simple in structure, cost is low, and need not on-the-spot perforate and can adapt to the long cable section of ingoing line seal arrangement that passes in and out multiple cables with different diameters on distribution box.
Second purpose of the present invention provide a kind of simple in structure, cost is low, and have and need not on-the-spot perforate and can adapt to the distribution box that passes in and out multiple cables with different diameters inlet wire seal arrangement.
Above-mentioned first goal of the invention realizes through following technological scheme: a kind of long cable section of ingoing line seal arrangement; Comprise main structure body, be used to bind round the Sealing that is enclosed within on the inlet wire cable, be used for said main structure body is installed in the assembling set on the distribution box; It is characterized in that: said main structure body is made up of cube shaped lower cover and loam cake; Wherein, the Gai Kou end and the distribution box cabling mouth of said lower cover are suitable, and are connected with distribution box through said assembling set; Said loam cake is socketed in the lower cover outside, and is fixed on down by hardware and covers, and both all are provided with at least one corresponding through hole on the hd top face on Gai Kou opposite, be the long cable section of ingoing line hole; The said Sealing sealing film that flexible glue material with enough toughness is processed of serving as reasons, said sealing film is clipped between said loam cake and the said lower cover, and the long cable section of ingoing line hole of said upper and lower cover is isolated in the two sides of sealing film.
Above-mentioned first goal of the invention can also realize through following technological scheme: a kind of long cable section of ingoing line seal arrangement; Comprise main structure body, be used to bind round the Sealing that is enclosed within on the inlet wire cable, be used for said main structure body is installed in the assembling set on the distribution box; It is characterized in that: said main structure body is made up of cube shaped lower cover and loam cake; Wherein, the Gai Kou end and the distribution box cabling mouth of said lower cover are suitable, and are connected with distribution box through said assembling set; Said loam cake is socketed in the lower cover outside, and is fixed on down by hardware and covers, and both all are provided with at least one corresponding through hole on the hd top face on Gai Kou opposite, be the long cable section of ingoing line hole; The serve as reasons Sealed casing pipe of the band flanging that flexible glue material with enough toughness processes of said Sealing, and said Sealed casing pipe be sealing surface with the opposite other end of flange port; The flanging of said Sealing is clipped between said loam cake and the said lower cover, and the Sealed casing pipe of said Sealing then passes outside protrusion from the long cable section of ingoing line hole of loam cake, and said Sealing is isolated in its two sides with the long cable section of ingoing line hole of upper and lower cover.
During the distribution wiring; Specification according to the cable of reality; The sealing film of upper and lower cover clamping of the present invention or Sealed casing pipe sealing surface are carried out clip or directly pierce through; The bore of clip should be slightly less than cable size, then Sealed casing pipe is penetrated on the cable in the required access distribution box, and sealing film or Sealed casing pipe form interference fit in clip or perforation place and the cable that penetrates; So that reach the requirement of sealing, through assembling set said main structure body is installed on the distribution box cabling mouth again and gets final product.Because what sealing film and Sealed casing pipe adopted is the flexible glue material, and elasticity is preferably arranged,, can obviously not increase the difficulty that Sealed casing pipe penetrates cable though therefore the clip perforation of perhaps piercing through is little than cable size; In addition, because the cabling mouth on the distribution box only needs suitable get final product of lid mouth with seal arrangement of the present invention, need not with the cable size of actual access suitable; Therefore, for distribution box, can pre-set unified getting final product with this long cable section of ingoing line seal arrangement lid mouthful suitable cabling mouth; Need not in the perforate of distribution box erecting bed; Make the easy construction of cable connection simple, improve efficiency of construction, workmen's technical ability is required also can reduce greatly.
Site operation personnel's operation for ease, the present invention can indicate the appropriate cable regular size on the sealing surface of described sealing film or Sealed casing pipe clip diameter comes.
The present invention can also do following improvement: said main structure body is provided with 2 or the long cable section of ingoing line hole more than 2, to adapt to the demand of various long cable section of ingoing line.Should on Sealed casing pipe, open great hole for conveniently confirming each specification cable accurately; The present invention can also further do following improvement: said Sealed casing pipe is made up of the multi-stage sealed sleeve pipe that adapts to multiple cable specification; Be provided with the diameter classification; Sentence maximum one-level diameter Sealed casing pipe from the Sealed casing pipe flange and dwindle step by step to outer diameter and stretch out, by conical transition, form the tower shape that splices and form by several round platforms between every adjacent two-stage Sealed casing pipe.
Be easy construction; Can also put on the cable specification mark corresponding at conical transition face place with it; When constructing at the scene with convenience, directly selecting the small-bore place of the Sealed casing pipe conical transition face of suitable bore to cut off, is interference fit at clip with the cable that penetrates so that make Sealed casing pipe.
As a kind of embodiment of the present invention: the opening end of said lower cover has the ring-type outer that outwards laterally extends; Said ring-type outer has the seal ring of holding circular groove; Be used for when this seal arrangement is connected with the distribution box interface, adding seal ring between the surface of contact at both, to improve the sealing that connects.
The present invention can also further do following improvement: cause sealing problem with lower cover through being fixedly connected of hardware for fear of said loam cake; Be provided in the end face of said loam cake that hardware connects be connected projection with the integrated tapped blind hole of loam cake; Perforate is inside,, corresponding said projection position is provided with through hole on the flange of said lower cover and sealing film or Sealed casing pipe; Supply the projection of said loam cake to pass; And be threaded with said projection in the end face of said lower cover through hardware, said lower cover is fixed on covers, and clamp seals simultaneously.Its advantage neither can be brought sealing problem because of the connection of upper and lower cover, helps Sealing again and is located by the clamping of loam cake and lower cover.
As specific embodiment of the present invention: said flexible glue material is silica gel or the rubber that hardness is at least 30 degree.
As a kind of corrective measure of the present invention: said assembling set is for cooperating the buckle structure of installation with distribution box cabling oral-lateral wall, so that improve the speed that site operation is installed fast.
The resilient pin of said buckle structure can be located on the inwall of said lower cover lid mouthful end equably; The end of resilient pin has barb; Around distribution box cabling mouth, has spliced eye on the sidewall accordingly; When the said resilient pin that covers was down inserted the spliced eye on the distribution box, the leading edge of its overhead kick and spliced eye offseted, and said block hook structure is used to realize the quick mounting of long cable section of ingoing line seal arrangement of the present invention and distribution box.
Main structure body of the present invention is generally cube shaped, but is not limited to cube shapedly, and other can constitute how much stero shapes that similarly have with mouthful parallel end face of lid and also can be suitable for.
Second goal of the invention of the present invention realizes through following technological scheme: a kind of distribution box with above-mentioned long cable section of ingoing line seal arrangement; Comprise the casing and the case lid that are used for built-in electrical distribution system assembly; It is characterized in that: the sidewall of said casing is provided with the cabling mouth; Lower cover lid mouth on said cabling mouth and the said long cable section of ingoing line seal arrangement is suitable, on the outer wall at the movable installation of said long cable section of ingoing line seal arrangement distribution box cabling mouth place.
The present invention has following beneficial effect:
1) Glan of the prior art relatively, the present invention is under the situation that satisfies the long cable section of ingoing line seal request, and not only structure has obviously been simplified, thereby can reduce manufacture cost greatly; The more important thing is to have solved, need the problem of on-the-spot perforate on distribution box, in the process of long cable section of ingoing line construction because of the big or small randomness of the cable size of turnover distribution box is bigger; Need not on-the-spot perforate, therefore, can simplify work progress; Improve efficiency of construction; Reduce construction cost, and it helps guaranteeing the water proof and dust proof effect after distribution box is constructed to the also reduction greatly of requirement of workmen's technical ability;
2) the present invention can realize the demand of a long cable section of ingoing line seal arrangement applicable to the long cable section of ingoing line sealing of plurality of specifications; And the cable size scope that is suitable for is bigger, as far as manufacturing enterprise, can significantly reduce the specification of long cable section of ingoing line seal arrangement; The few production line of letter reduces investment and cost of production;
3) Sealing of the present invention closely is installed in the main structure body; During installation; The workmen only need utilize the buckle structure that is provided with on the said main structure body that it is installed in distribution box sidewall cabling mouth corresponding position and get final product; The installation process simple and fast can guarantee well that distribution box reaches its required security level.
4) the present invention is designed to the form at distribution box side-walls evagination with the long cable section of ingoing line seal arrangement; Make the cubic space of main structure body also can be used as cabling space, can elongate the distance of incoming line to the inner wiring point of distribution box, it is comparatively limited that this helps solving the distribution box inner space; Particularly when the big long cable section of ingoing line of operation; Because big cable hardness is bigger, be difficult for bending, cause the problem of difficult installation; It can suitably increase the inboard wiring space of distribution box, is convenient to the constructing operation of long cable section of ingoing line.
Description of drawings
Fig. 1 is the schematic representation of the distribution box of available technology adopting Glan inlet wire;
Fig. 2 is the sectional view of Glan in the existing technology;
Fig. 3 is the long cable section of ingoing line seal arrangement of preferred embodiment of the present invention and the stereogram that distribution box connects as one;
Fig. 4 is the sectional view of the long cable section of ingoing line seal arrangement of preferred embodiment of the present invention;
Fig. 5 is the lower cover stereogram of preferred embodiment of the present invention;
Fig. 6 is the loam cake stereogram of preferred embodiment of the present invention;
Fig. 7 is the Sealed casing pipe stereogram of preferred embodiment of the present invention;
Fig. 8 is the another kind of mode of execution of Sealing;
Fig. 9 is the user mode figure of the distribution box of preferred embodiment of the present invention.
Embodiment
Shown in Fig. 3 to 7; Each view of the long cable section of ingoing line seal arrangement 2 of preferred embodiment of the present invention; As shown in the figure, said long cable section of ingoing line seal arrangement 2 comprises the main structure body be made up of cube shaped lower cover 21 and loam cake 22, be used to bind round the Sealing 23 that is enclosed within on the inlet wire cable, be used for main structure body is installed in the assembling set on the distribution box 1.The Gai Kou end of lower cover 21 and distribution box 1 cabling mouth 11 are suitable, and are connected with distribution box 1 through assembling set.Loam cake 22 is socketed in lower cover 21 outsides, and is bolted on the lower cover 21 by hardware, and both all are provided with at least one corresponding through hole on the hd top face on Gai Kou opposite, is long cable section of ingoing line hole 221,211.Loam cake 22 and long cable section of ingoing line hole on the lower cover 21 can be provided with 2 or more than 2, the aperture can be the same or different, to adapt to the demand of various long cable section of ingoing line.Present embodiment is two long cable section of ingoing line holes that the aperture is identical.
Main structure body of the present invention is generally cube shaped, and the distance of the inner wiring point of distribution box 1 is located in the long cable section of ingoing line hole of having elongated incoming line and be seal arrangement 2, and the wiring that gets into the inner cable of distribution box 1 for operation brings convenience.Main structure body of the present invention is not limited to cube shaped, and other can constitute how much stero shapes that similarly have with lid mouthful parallel end face and also can be suitable for.
The opening end of lower cover 21 has the ring-type outer 212 that outwards laterally extends; Ring-type outer 212 has the circular groove 213 that holds seal ring; Be used for when seal arrangement is connected with distribution box 1 cabling mouth 11, adding seal ring between the surface of contact at both, to improve the sealing that connects.
Be provided in the end face of loam cake 22 that hardware connects be connected projection 222 with loam cake 22 integrated tapped blind holes; Perforate is inside; Corresponding said projection 222 positions are provided with through hole 235 on the flange 231 of lower cover 21 and Sealed casing pipe 232, supply the projection 222 of said loam cake 22 to pass, and are threaded with said projection 222 in the end face of lower cover 21 through hardware; Lower cover 21 is fixed on the loam cake 22, and while clamp seals 23.
Assembling set is for cooperating the buckle structure of installation with distribution box 1 cabling mouth 11 sidewalls, so that improve the speed that site operation is installed fast.
The present invention also provides a kind of distribution box with above-mentioned long cable section of ingoing line seal arrangement; Like Fig. 9, shown in 3; Comprise the casing 12 and case lid 13 that are used for built-in electrical distribution system assembly; The sidewall of casing 12 is provided with cabling mouth 11, and cabling mouth 11 is suitable with the lower cover 21 lid mouths on the long cable section of ingoing line seal arrangement 2, and long cable section of ingoing line seal arrangement 2 is movably arranged on the outer wall at distribution box 1 cabling mouth 11 places.
Assembling set is to cooperate the buckle structure of installing with distribution box 1 cabling mouth 11 peripheral sidewalls.On the inwall of being located at the said lower cover 21 lids mouthful long limit of end of said buckle structure symmetry; Comprise be located at both sides two couples along its length symmetry plug-in unit 24 be located at a pair of of two plug-in units, 24 middle parts towards outside trip 25; Shown in Fig. 3 and 4; Plug-in unit 24 is used for inserting inner and its insertion end of distribution box 1 from distribution box 1 cabling mouth 11 peripheral sidewalls and has spliced eye 241, comprises that also a lower end becomes to collude the resilient pin 26 of shape, when latch 26 inserts said spliced eye 241; Its leading edge of colluding shape lower end and spliced eye 241 offsets, and said trip 25 is used for and the 11 peripheral sidewall fastenings of distribution box 1 cabling mouth.Assembling set of the present invention is not limited thereto kind of a mode of execution, also can directly adopt bolt to connect.
One or more surfaces sidewall of casing 12 is a frame structure; Cabling mouth 11 is the inside casing opening of frame structure; The periphery of inside casing opening is provided with four attachment holes 14, and attachment hole 14 is located at four edges of casing 12 sidewalls, and is corresponding with plug-in unit 24 positions on the said seal arrangement 2.Block 12 inboards, said cabling mouth 11 peripheral top and the bottom also are provided with a pair of draw-in groove 15; Said draw-in groove 15 is located on the vertical symmetry axis of this cabling mouth 11; Trip 25 on the said seal arrangement 2 buckles into the draw-in groove 15 of cabling mouth 11 peripheries after cabling mouth 11 gets into distribution box 1 inside, and seal arrangement 2 is adjacent to block 12 mutually.
The above embodiment of the present invention is not the qualification to protection domain of the present invention; Mode of execution of the present invention is not limited thereto; According to foregoing of the present invention,, do not breaking away under the basic fundamental thought prerequisite of the present invention according to the ordinary skill knowledge and the customary means of related domain; Modification, replacement or the change of other various ways that said structure of the present invention is made all drop within protection scope of the present invention.Of the present invention simple in structure, cost is low, easy construction, and the sealing effect of distribution box after the construction had a good guarantee, through test, the security level that the distribution box of sealing configuration of the present invention is installed can reach more than the IP65.Sealing configuration of the present invention cable specification limit applicatory is wide, is particularly suitable for the inlet wire sealing configuration as big cable.
Claims (9)
1. long cable section of ingoing line seal arrangement; Comprise main structure body, be used to bind round the Sealing that is enclosed within on the long cable section of ingoing line, be used for said main structure body is installed in the assembling set on the distribution box; It is characterized in that: said main structure body is made up of cube shaped lower cover and loam cake; Wherein, the Gai Kou end and the distribution box cabling mouth of said lower cover are suitable, and are connected with distribution box through said assembling set; Said loam cake is socketed in the lower cover outside, and is fixed on down by hardware and covers, and said loam cake and lower cover all are provided with at least one corresponding through hole on the hd top face on Gai Kou opposite, be the long cable section of ingoing line hole; The said Sealing sealing film that flexible glue material with enough toughness is processed of serving as reasons, said sealing film is clipped between said loam cake and the said lower cover, and the long cable section of ingoing line hole of said upper and lower cover is isolated in the two sides of sealing film.
2. long cable section of ingoing line seal arrangement; Comprise main structure body, be used to bind round the Sealing that is enclosed within on the long cable section of ingoing line, be used for said main structure body is installed in the assembling set on the distribution box; It is characterized in that: said main structure body is made up of cube shaped lower cover and loam cake; Wherein, the Gai Kou end and the distribution box cabling mouth of said lower cover are suitable, and are connected with distribution box through said assembling set; Said loam cake is socketed in the lower cover outside, and is fixed on down by hardware and covers, and said loam cake and lower cover all are provided with at least one corresponding through hole on the hd top face on Gai Kou opposite, be the long cable section of ingoing line hole; The serve as reasons Sealed casing pipe of the band flanging that flexible glue material with enough toughness processes of said Sealing, and said Sealed casing pipe be sealing surface with the opposite other end of flange port; The flanging of said Sealing is clipped between said loam cake and the said lower cover, and the Sealed casing pipe of said Sealing then passes outside protrusion from the long cable section of ingoing line hole of loam cake.
3. long cable section of ingoing line sealing configuration according to claim 2; It is characterized in that; Said Sealed casing pipe is made up of the multi-stage sealed sleeve pipe that is used to adapt to multiple cable specification, is provided with the diameter classification, sentences maximum one-level diameter Sealed casing pipe from the Sealed casing pipe flange and dwindles step by step to outer diameter and stretch out; By conical transition, form the tower shape that splices and form by several round platforms between every adjacent two-stage Sealed casing pipe.
4. according to claim 1 or 2 or 3 described long cable section of ingoing line sealing configurations, it is characterized in that said main structure body is provided with 2 or the long cable section of ingoing line hole more than 2.
5. long cable section of ingoing line seal arrangement according to claim 4; It is characterized in that be connected projection what the inner top surface of said loam cake was provided with that several are used for that hardware connects with the integrated tapped blind hole of loam cake, the perforate of this projection is inside; Corresponding said projection position is provided with through hole on the flange of said lower cover and sealing film or Sealed casing pipe, supplies the projection of said loam cake to pass, and is threaded with said projection through the end face inner face of hardware from said lower cover; Said loam cake is fixed on down covers, and clamp said Sealing simultaneously.
6. long cable section of ingoing line seal arrangement according to claim 5; It is characterized in that; The opening end of said lower cover has the ring-type outer that outwards laterally extends; Said ring-type outer has the seal ring of holding circular groove, is used for when this seal arrangement is connected with the distribution box interface, adding seal ring between the surface of contact at both, to improve the sealing that connects.
7. long cable section of ingoing line seal arrangement according to claim 6 is characterized in that, said assembling set is to cooperate the buckle structure of installing with distribution box cabling oral-lateral wall.
8. one kind has each described distribution box with long cable section of ingoing line seal arrangement of claim 1 to 7; Comprise the casing and the case lid that are used for built-in electrical distribution system assembly; It is characterized in that: the sidewall of said casing is provided with the cabling mouth; Lower cover lid mouth on said cabling mouth and the said long cable section of ingoing line seal arrangement is suitable, on the outer wall at the movable installation of said long cable section of ingoing line seal arrangement distribution box cabling mouth place.
9. the distribution box with long cable section of ingoing line seal arrangement according to claim 8; It is characterized in that; Said buckle structure is made up of resilient pin and hinge last, and described resilient pin is located on the inwall of said lower cover lid mouthful end, and the end of resilient pin has barb; Around distribution box cabling mouth, has spliced eye on the sidewall accordingly; When the said resilient pin that covers was down inserted the spliced eye on the distribution box, the leading edge of its overhead kick and spliced eye offseted, and said block hook structure is used to realize the quick mounting of long cable section of ingoing line seal arrangement of the present invention and distribution box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228648.5A CN102767646B (en) | 2012-07-03 | 2012-07-03 | A kind of long cable section of ingoing line seal arrangement and there is the distribution box of sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228648.5A CN102767646B (en) | 2012-07-03 | 2012-07-03 | A kind of long cable section of ingoing line seal arrangement and there is the distribution box of sealing device |
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| CN102767646A true CN102767646A (en) | 2012-11-07 |
| CN102767646B CN102767646B (en) | 2015-10-28 |
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| CN201210228648.5A Expired - Fee Related CN102767646B (en) | 2012-07-03 | 2012-07-03 | A kind of long cable section of ingoing line seal arrangement and there is the distribution box of sealing device |
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| CN104852334A (en) * | 2015-05-28 | 2015-08-19 | 上海沪工汽车电器有限公司 | Central electrical junction box wire outlet harness fixing structure for vehicle |
| CN104993436A (en) * | 2015-06-29 | 2015-10-21 | 浙江中兴电缆有限公司 | Distribution box threading sealing structure |
| CN107611734A (en) * | 2017-09-15 | 2018-01-19 | 秉岳电气(上海)有限公司 | A kind of connector |
| CN107860951A (en) * | 2017-12-28 | 2018-03-30 | 广东正力通用电气有限公司 | A kind of city illumination supply line monitoring terminal |
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| CN108376959A (en) * | 2018-05-29 | 2018-08-07 | 江苏欣佰建设工程有限公司 | A kind of novel cloth wire box |
| CN110556715A (en) * | 2018-05-31 | 2019-12-10 | 国网山西电力勘测设计研究院有限公司 | Electric cabinet capable of self-sealing cable via hole |
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