CN211606065U - Structure for realizing cable water vapor blocking and cable water vapor blocking device thereof - Google Patents

Abstract

The utility model discloses a realize structure that cable steam blocked and cable steam blocker thereof, including blocking the sleeve, block telescopic both ends and be provided with the first perforation that is used for fixing a position the cable, block two corresponding inside walls in the telescopic inner chamber and have at least an insulation barrier or two at least insulation barriers that set up at intervals each other and the through-hole that corresponds with the insulation barrier position along blocking sleeve length direction arch respectively. The cable water vapor blocking device used by the structure is small in size, simple in structure and low in manufacturing cost, and water vapor is blocked on the cable by adopting the structure and the mode of blocking the sleeve and the pouring sealant, so that the protection is reliable after the water vapor blocking.

Description

Structure for realizing cable water vapor blocking and cable water vapor blocking device thereof

Technical Field

The utility model belongs to the technical field of a cable steam blocks technique and specifically relates to a structure that realization cable steam blocks and cable steam block ware thereof.

Background

In an electrical structure of IP65 or higher protection level, in the case where both the waterproof structure of the case and the waterproof structure of the cable connection position are good, moisture often permeates into the electrical box through the cable and remains inside the electrical box, corrodes the internal electrical components for a long time, shortens the life of the electrical components, and is liable to malfunction (short circuit or the like). Especially when the internal electrical components are heated or cooled with or without operation, the internal pressure differs from the pressure outside the housing, at which time moisture is more easily transferred to the inside of the electrical box through the cable. The invention is mainly applied to an outdoor LED control device with high protection level, and can effectively prevent external water vapor from permeating into the control device through a cable.

The water vapor of the common cable is blocked by adopting a waterproof joint at present. The end parts of the two cables are respectively processed with a male head and a female head of a waterproof joint, and then the male head and the female head are butted. This construction is more expensive and most products do not block the passage of moisture through the wire. Because, the technique processing of public first or female head commonly used injection moulding is on the cable, and commonly used material is nylon or PVC, and the material of cable itself often is rubber or modified PVC, and the material junction between public female head and the cable often can appear the gap (the incompatibility of different materials leads to), and inside this gap infiltration cable is usually followed to steam, causes the protection inefficacy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough and a small, use and the manufacturing cost background of design of above-mentioned technique, and protect reliable one kind and realize structure that cable steam blocks and cable steam block device.

The utility model discloses a cable steam blocker, including blocking the sleeve, block that telescopic both ends are provided with the first perforation that is used for fixing a position the cable, block corresponding two inside walls in the telescopic inner chamber and have the insulating barrier that an at least insulating barrier or two at least mutual intervals set up and the through-hole that corresponds with the insulating barrier position along blocking sleeve length direction arch respectively.

Preferably, the insulation device further comprises two insulation shells which are symmetrically arranged, wherein two end faces of the two insulation shells are provided with first semicircular through grooves, at least one insulation partition plate or at least two insulation partition plates which are arranged at intervals are protruded on the inner side wall of the middle cavity of one shell along the length direction of the shell, and the other shell is provided with a through hole; the two insulating shells are symmetrically spliced with each other and then are fastened and fixed to form a blocking sleeve, and the first semicircular through grooves in the two ends of one insulating shell are symmetrically spliced with the first semicircular through grooves in the two ends of the other insulating shell to form first through holes in the two ends of the blocking sleeve.

Preferably, a plurality of fastening holes are formed in two corresponding outer sides of the splicing surface of one insulating shell, fastening blocks corresponding to the fastening holes are arranged in two corresponding outer sides of the splicing surface of the other insulating shell, and the fastening blocks are correspondingly fastened on the fastening holes after the two insulating shells are symmetrically spliced.

Preferably, the clamping device further comprises a type buckling frame, the clamping block is arranged on the outer side face of the top end of the buckling block, a plurality of concave parts are arranged on the two corresponding outer sides of the splicing face of the insulating shell, the end parts of the longitudinal parts of the type buckling frame are respectively arranged at the edges of the left side and the right side of the concave side opening, the inner cavity of the type buckling frame and the concave inner cavity are combined to form a buckling hole, and after the top end of the buckling block penetrates through the buckling hole, the clamping block is clamped on the type buckling frame to be fixed.

Preferably, the positioning plates protrude from the inner side surfaces of the middle parts of the cavities at the two ends of the two insulating shells, an interval exists between each positioning plate and each first semicircular through groove, each positioning plate is provided with a second semicircular through groove with the radius consistent with that of each first semicircular through groove, and after the two insulating shells are symmetrically spliced, the second semicircular through grooves at the two ends of one insulating shell are symmetrically spliced with the second semicircular through grooves at the two ends of the other insulating shell to form second through holes.

Preferably, the two corresponding inner side edges of the splicing surface of the other insulating shell are protruded with positioning convex strips, the two insulating shells are symmetrically spliced with each other, then the positioning convex strips are inserted into the inner cavity of the insulating shell, and the outer side surfaces of the positioning convex strips abut against the side wall of the inner cavity of the insulating shell.

Preferably, the outer side surfaces of at least two insulation partition plates are respectively spaced from the side wall of the inner cavity of the insulation shell, and the width of the middle cavity of the two insulation shells is larger than the width of the cavities at the two end parts.

Preferably, the through hole is a long through hole.

A structure for realizing water vapor blocking of a cable comprises pouring sealant, the cable water vapor blocking device and the cable needing water vapor blocking, wherein the middle part of the cable is arranged in an inner cavity of a blocking sleeve of the structure for realizing water vapor blocking of the cable, and two ends of an insulating layer at the outermost side in the middle part of the cable are respectively positioned in first through holes at two end parts of the blocking sleeve; at least two wires are exposed in the middle of the cable; the at least two wires are respectively arranged on two sides of the at least one insulating partition board in the blocking sleeve, conductive wire cores are exposed in the middle of the at least two wires, and pouring sealant is filled in the inner cavity of the blocking sleeve and around the conductive wire cores of the two wires by utilizing the through holes; wherein the first through-hole is mutually positioned with the end of the cable with the outermost insulation layer in the middle.

Preferably, three electric wires are exposed in the middle of the cable, one electric wire in the middle is arranged between the inner side surfaces of the two insulating partition plates in the blocking sleeve, the other two electric wires are respectively arranged on the outer side surfaces of the two insulating partition plates, conductive wire cores are exposed in the middle of the three electric wires, and the through holes are used for filling pouring sealant in the inner cavity of the blocking sleeve and around the conductive wire cores of the three electric wires.

The exposure of the conductive wire core is realized by firstly stripping the outermost insulating layer of the cable and then stripping the insulating layer of the wire.

The utility model discloses a realize structure that cable steam blocks and cable steam block ware thereof, the cable steam block ware that its structure used is small, simple structure, low in manufacturing cost moreover to carry out steam to the cable and block the adoption and block structure and the mode of sleeve and casting glue, make to block the back protection reliably at steam.

Drawings

FIG. 1 is a schematic view of a cable moisture blocker with only one insulating barrier of an embodiment;

FIG. 2 is a schematic diagram of a cable moisture blocker with two insulating barriers according to an embodiment;

FIG. 3 is an exploded view of the embodiment;

FIG. 4 is an exploded view of the embodiment (two);

FIG. 5 is a schematic structural view of a cable moisture blocker having an insulating barrier and a split structural blocking sleeve according to an embodiment;

FIG. 6 is a schematic structural view of a cable moisture blocker with two insulating barriers and a split structural blocking sleeve according to an embodiment;

FIG. 7 is a structural schematic (one) of the embodiment mounted on a cable;

FIG. 8 is a structural schematic of the embodiment mounted on a cable (two);

FIG. 9 is a schematic illustration of an embodiment of an explosive structure mounted on a cable;

fig. 10 is a structural diagram (iii) of the embodiment mounted on a cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 10, the cable moisture blocking device described in this embodiment includes a blocking sleeve 1, first through holes 10 for positioning the cable are provided at two ends of the blocking sleeve 1, at least one insulating partition 11 or at least two insulating partitions 11 arranged at intervals and through holes 12 corresponding to the insulating partitions 11 are respectively protruded on two corresponding inner side walls in an inner cavity of the blocking sleeve 10 along a length direction of the blocking sleeve 1. The structure of the cable needs to be sleeved into the middle of the cable from one end of the cable when in use.

In this embodiment, the power supply further comprises two insulating shells 13 which are symmetrically arranged, two end faces of the two insulating shells 13 are provided with first semicircular through grooves 131, at least one insulating partition 11 or at least two insulating partitions 11 which are arranged at intervals are protruded on the inner side wall of the middle cavity of one shell 13 along the length direction of the shell, and the other shell is provided with a through hole 12; the two insulating shells 13 are symmetrically spliced with each other and then fastened and fixed to form a blocking sleeve 1, and first semicircular through grooves 131 at two ends of one insulating shell 13 are symmetrically spliced with first semicircular through grooves 131 at two ends of the other insulating shell 13 respectively to form first through holes 10 at two ends of the blocking sleeve; the shape of the insulating shell is a semicircular insulating shell, so that the two insulating shells are symmetrically spliced to form a cylindrical insulating sleeve; the structural design of the cable insulation device enables the middle part of the cable to be placed in an insulation shell cavity with an insulation partition plate when the cable is subjected to water vapor blocking, and the outer sides of two ends of the insulation layer on the outermost side of the middle part of the cable are respectively positioned in semicircular through grooves at two ends of the insulation shell with the insulation partition plate; at this time, two electric wires 21 exposed out of the middle of the cable 2 are respectively placed on two sides of an insulating partition 11, and conductive wire cores 211 are exposed out of the middle of the two electric wires 21, then an insulating shell with a through hole is symmetrically buckled on the insulating shell with the insulating partition, wherein the other side of the outside of two ends of the insulating layer on the outermost side of the middle of the cable is respectively positioned in semicircular through grooves at two ends of the insulating shell with the through hole, finally, the through hole is utilized to fill the potting adhesive in the inner cavity of the blocking sleeve and around the conductive wire cores of the two electric wires, the through hole is also blocked by the potting adhesive after filling, or, three electric wires 21 are exposed out of the middle of the cable 2, one of the middle electric wires is placed between the inner side surfaces of the two insulating partitions, the other two electric wires are respectively placed at the outer side surfaces of the two insulating partitions, and the conductive wire cores, the other sides of the outer parts of two ends of the insulating layer on the outermost side in the middle of the cable are respectively positioned in semicircular through grooves at two ends of the insulating shell with the through holes, finally, the through holes are used for filling pouring sealant in the inner cavity of the blocking sleeve and around the conductive wire cores of the three wires, and the through holes are also blocked by the pouring sealant after filling; the water vapor blocking structure can be used for mounting the water vapor blocking device in the middle of the cable after the two ends of the cable are butted; the buckling block, the insulating partition plate and the insulating shell with the insulating partition plate are combined into an integrated structure, and can be integrally formed by plastics and other materials.

In this embodiment, a plurality of fastening holes 135 are formed on two corresponding outer sides of the splicing surface of one insulating housing 13, fastening blocks 133 corresponding to the fastening holes 135 are formed on two corresponding outer sides of the splicing surface of the other insulating housing 13, and after the two insulating housings 13 are symmetrically spliced, the fastening blocks 133 are fastened to the fastening holes 135 correspondingly; still include type lock joint frame 134, lock joint block 133's top lateral surface sets up screens piece 1331, it is a plurality of that double-phase corresponds the outside and is provided with sunken 132 on the mating surface of an insulation casing 13, type lock joint frame 134's longitudinal portion tip sets up respectively in sunken 132 side opening left and right sides border department, the internal cavity of type lock joint frame 134 and the internal cavity combination of sunken 132 form lock joint hole 135, lock joint block 133's top runs through behind lock joint hole 135, its screens piece 1331 screens is fixed on type lock joint frame 134. Its medium-sized lock joint frame and have sunken insulating casing both formula structures as an organic whole each other, it can carry out the integral type shaping by materials such as plastics to this structure lock joint makes two insulating casings install comparatively convenient at the middle part of cable, promotes performance.

In this embodiment, the positioning plate 137 protrudes from the middle inner side surface of the two end cavities of the two insulating housings 13, and there is a distance between the positioning plate 137 and the first semicircular through groove 131, the positioning plate 137 is provided with a second semicircular through groove 1371 with a radius consistent with that of the first semicircular through groove 131, after the two insulating housings are symmetrically spliced, the second semicircular through groove 1371 at the two ends of one insulating housing 13 is symmetrically spliced with the second semicircular through groove 1371 at the two ends of the other insulating housing 13 to form a second through hole. Its structure realizes that the both ends outside location of the middle part area outside insulating layer of cable is logical at the second semicircle, it is located through the second perforation that the logical groove of rethread second semicircle formed after the first perforation location that the logical groove of first semicircle formed and makes the locate effect better, and make and fill the sealed effect also preferred at its both ends behind the casting glue in blocking the sleeve, and the tip outside of the outside insulating layer is taken with the middle part of cable to the fenestrate inside wall of second is hugged closely, thereby realize both ends sealed under the circumstances of the pouring into of reduction casting glue.

In this embodiment, the two corresponding inner side edges of the splicing surface of the other insulating housing 13 are protruded with positioning protruding strips 136, after the two insulating housings are symmetrically spliced, the positioning protruding strips 136 are inserted into the inner cavity of the insulating housing 13, and the outer side surfaces of the positioning protruding strips 136 abut against the side wall of the inner cavity of the insulating housing 13. The structure of the blocking sleeve enables the two insulation shells to be connected and fixed stably and reliably after being symmetrically spliced and buckled with each other, and improves the sealing performance of the inner cavity of the blocking sleeve.

In this embodiment, there is a distance between the outer side surfaces of at least two insulating partition plates 11 and the sidewall of the inner cavity of the insulating housing 13, and the width of the middle cavity of the two insulating housings 13 is greater than the width of the cavities at the two end portions. The structure of the cable is convenient for realizing the water vapor blocking of the cables of the three electric wires.

The structure when carrying out cable steam and blocking the use based on above-mentioned cable steam blocker structure is as follows two kinds:

in the structure for blocking the water vapor of the cable described in this embodiment, when the water vapor is blocked after two electric wires are exposed in the middle of the cable, the potting adhesive 3, the cable water vapor blocking device as described above, and the cable 2 to be blocked by the water vapor are used, and only one insulating partition plate 11 is arranged in the blocking sleeve 1 of the cable 2 water vapor blocking device; the middle part of the cable is arranged in an inner cavity of a blocking sleeve of a structure for realizing water vapor blocking of the cable, and two ends of the insulating layer at the outermost side in the middle part of the cable are respectively positioned in first through holes at two end parts of the blocking sleeve; two electric wires 21 are exposed at the middle part of the cable 2; the two wires 21 are respectively arranged at two sides of an insulating partition plate 11 in the blocking sleeve, conductive wire cores 211 are exposed at the middle parts of the two wires 21, the through holes are used for filling and pouring sealant 3 in the inner cavity of the blocking sleeve and around the conductive wire cores of the two wires for sealing, so that water vapor is blocked from entering the LED control device through gaps between the conductive wire cores and the insulating layer in the cable, and the pouring sealant blocks the through holes after filling; wherein fix a position and can adopt interference fit location between the tip of the middle part area outermost side insulating layer of first perforation and cable, also can adopt clearance fit, but need go on after adopting clearance fit seal glue between the two to it and seal.

When three electric wires 21 are exposed at the middle part of the cable 2, water vapor blocking is carried out, and two insulating partition plates 11 are arranged in a blocking sleeve 1 of the cable water vapor blocking device; an electric wire 21 that is located the middle part is arranged in and is blocked between the medial surface of two insulation barrier 11 in sleeve 1, and two other electric wires 21 are arranged in the lateral surface position department of two insulation barrier 11 respectively, the middle part of three electric wires 21 exposes conductive core 211, it is sealed to utilize the through-hole to fill casting glue 3 around blocking the conductive core of telescopic inner chamber and three electric wires, thereby block that steam enters into LED controlling means through the gap between inside conductive core of cable and the insulation layer inside, the casting glue also is with the through-hole shutoff after the packing.

The exposure of the conductive wire core is realized by firstly stripping the outermost insulating layer of the cable and then stripping the insulating layer of the wire; the through hole is a long through hole.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a cable steam blocker, its characterized in that, is including blocking the sleeve, blocks telescopic both ends and is provided with the first perforation that is used for fixing a position the cable, blocks corresponding two inside walls in telescopic inner chamber and has at least one insulating barrier or at least two insulating barriers that set up at an interval each other and the through-hole that corresponds with insulating barrier position along blocking sleeve length direction arch respectively.

2. The cable water vapor blocking device according to claim 1, further comprising two insulating housings symmetrically arranged with respect to each other in shape, wherein first semicircular through grooves are formed on two end surfaces of the two insulating housings, at least one insulating partition or at least two insulating partitions arranged at intervals are protruded on an inner side wall of a middle cavity of one housing along a length direction of the housing, and a through hole is formed in the other housing; the two insulating shells are symmetrically spliced with each other and then are fastened and fixed to form a blocking sleeve, and the first semicircular through grooves in the two ends of one insulating shell are symmetrically spliced with the first semicircular through grooves in the two ends of the other insulating shell to form first through holes in the two ends of the blocking sleeve.

3. The cable water vapor blocking device according to claim 2, wherein a plurality of fastening holes are formed on two corresponding outer sides of the mating surface of one of the insulating housings, fastening blocks corresponding to the fastening holes are formed on two corresponding outer sides of the mating surface of the other one of the insulating housings, and the fastening blocks are fastened to the fastening holes correspondingly after the two insulating housings are symmetrically mated with each other.

4. The cable water vapor blocking device according to claim 2, further comprising a type buckling frame, wherein the outer side surface of the top end of the buckling block is provided with a plurality of clamping blocks, two corresponding outer sides of the splicing surface of an insulating shell are provided with a plurality of recesses, the end parts of the longitudinal part of the type buckling frame are respectively arranged at the edges of the left side and the right side of the recessed side opening, the inner cavity of the type buckling frame and the inner cavity of the recesses are combined to form a buckling hole, and after the top end of the buckling block penetrates through the buckling hole, the clamping blocks are clamped on the type buckling frame for fixing.

5. The cable moisture blocking device according to claim 2, wherein the two insulating housings have positioning plates protruding from inner sides of the middle portions of the cavities at the two ends, and a space is formed between the positioning plates and the first semicircular through groove, the positioning plates are provided with second semicircular through grooves having a radius consistent with that of the first semicircular through groove, and after the two insulating housings are symmetrically spliced, the second semicircular through grooves at the two ends of one insulating housing are symmetrically spliced with the second semicircular through grooves at the two ends of the other insulating housing to form second through holes.

6. The cable water vapor blocking device of claim 2, wherein the mating surfaces of the other insulating housing have positioning protrusions protruding from the inner edges thereof, the positioning protrusions are inserted into the inner cavity of the insulating housing after the two insulating housings are symmetrically mated, and the outer edges of the positioning protrusions abut against the inner cavity side walls of the insulating housing.

7. The cable moisture blocker of claim 2, wherein the through-hole is an elongated through-hole.

8. The cable moisture blocker of claim 2, wherein the outer side surfaces of the at least two insulation partitions are spaced apart from the sidewalls of the inner cavity of the insulation housing, and the width of the middle cavity of the insulation housing is greater than the width of the two end cavities.

9. A structure for realizing water vapor blocking of a cable is characterized by comprising pouring sealant, the cable water vapor blocking device as claimed in any one of claims 1 to 7 and the cable needing water vapor blocking, wherein the middle part of the cable is arranged in an inner cavity of a blocking sleeve of the structure for realizing water vapor blocking of the cable, and two ends of an insulating layer at the outermost side of the middle part of the cable are respectively positioned in first through holes at two end parts of the blocking sleeve; at least two wires are exposed in the middle of the cable; the at least two wires are respectively arranged on two sides of the at least one insulating partition board in the blocking sleeve, conductive wire cores are exposed in the middle of the at least two wires, and pouring sealant is filled in the inner cavity of the blocking sleeve and around the conductive wire cores of the two wires by utilizing the through holes; wherein the first through-hole is mutually positioned with the end of the cable with the outermost insulation layer in the middle.

10. The structure for realizing water vapor blocking of the cable according to claim 9, wherein three wires are exposed out of the middle of the cable, one wire positioned in the middle is arranged between the inner sides of the two insulation partitions in the blocking sleeve, the other two wires are respectively arranged on the outer sides of the two insulation partitions, conductive wire cores are exposed out of the middle of the three wires, and the through holes are used for filling pouring sealant in the inner cavity of the blocking sleeve and around the conductive wire cores of the three wires.

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