CN2729979Y - Cable connection sealing end and oil-filled band winding type communication cable connection sleeve - Google Patents
Cable connection sealing end and oil-filled band winding type communication cable connection sleeve Download PDFInfo
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- CN2729979Y CN2729979Y CN 200420074756 CN200420074756U CN2729979Y CN 2729979 Y CN2729979 Y CN 2729979Y CN 200420074756 CN200420074756 CN 200420074756 CN 200420074756 U CN200420074756 U CN 200420074756U CN 2729979 Y CN2729979 Y CN 2729979Y
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- elastomer
- filled band
- annular
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Abstract
The utility model discloses a cable connection sealing end and an oil-filled band winding type communication cable connection sleeve tube. The sealing end is formed by arranging a certain number of combined type sealing ring-shaped elastic bodies on a short cylindrical elastic body along an axial direction. The center of the combined type sealing ring-shaped elastic bodies is a solid or hollow truncated conical elastic body, outside which certain layers of hollow conical elastic bodies with conventional thickness or changeable thickness are overlapping sheathed with each other. The Oil-filled band winding type communication cable connection sleeve tube comprises a cylindrical shell and a ring-shaped hoop. Ring-shaped positioning grooves are respectively arranged on the inner surface of both ends of the cylindrical shell. The cable connection sealing ends are respectively fixed inside the ring-shaped positioning grooves. Multiple layers of water-proof oil-filled band sealing structure layer which are mutually overlapped with each other are wound and fixed between the both ends of two cable joints. The sealing end has the advantage of good sealing effect. The connection sleeve tube has the advantages of multiple seal, good water-proof effect, strong temperature and environment adaptability, and can be used repeatedly.
Description
One. technical field: the utility model relates to a kind of telecommunication cable junction casing, particularly relates to a kind of cable splice seal plug and oil-filled band wound form telecommunication cable junction casing.
Two. background technology: usually telecommunication cable has set up built on stilts, direct-burried and pipe applies, the connector portions of its cable, the residing environment of joint coupling that is cable is abominable, normally carry out for guaranteeing communication work, acidproof, the oil resistant, corrosion-resistant of the necessary energy of this joint coupling, and has good sealing effectiveness, adopt the thermal shrinkable sleeve pipe box to protect sealing at present mostly, in the cable splice work progress, make the heat-shrinkable T bush contraction and pack tightly cable with thermal source, the PUR of heat-shrinkable T bush inwall melts and heat-shrinkable T bush and cable is bonded to integral body simultaneously.Use heat-shrinkable T bush to have some defectives: 1. owing to adopt the pyrocondensation mode that heat-shrinkable T bush and cable are bonded to an integral body, therefore heat-shrinkable T bush can only disposablely use, and can not reuse, and causes very big waste, and the cable maintenance time need be adopted destructive method, very inconvenience.2. PUR class material heat resistance is poor in the heat-shrinkable T bush, in built on stilts the use, because extraneous temperature Change is big, particularly in the north, heat-shrinkable T bush is freezing the summer solarization through passing the winter, under the effect of expanding with heat and contract with cold, because the crack will appear in the coefficient of expansion difference of two kinds of materials, like this when water intrusion, will cause damage to connecting module, cause the obstacle of conversation, bring the expense in the maintenance and the increase of the amount of labour to the user.Since heat-shrinkable T bush must with the supporting use of cable, the cable of general requirements must be joined the heat-shrinkable T bush of same specification, because the specification of cable itself is wide in variety, therefore must prepare the heat-shrinkable T bush of plurality of specifications, its interchangeability is poor, makes loaded down with trivial details.4. needing thermal source when the heat-shrinkable T bush of cable splice is constructed, therefore be not suitable for inflammable and explosive environment, in inspection shaft, is a kind of anoxic environment sometimes particularly, and blowtorch also brings hidden danger with just putting not for a moment to operating personnel's safety.5. the specification requirement height of heat-shrinkable T bush construction is therefore stronger to workman's technology dependence, and useful life while is short, generally has only 1-5, needs frequently maintenance.
At this situation, the cable switching casing tube that people's development makes new advances, (publication number is CN2317567Y as Chinese patent, the patent No. is 97205480.4) a kind of " assembled telecommunication cable junction casing " disclosed, it comprises the plug and the connecting plate at cylindrical shell and two ends, between plug and cylindrical shell, annular sealing strip is arranged, be provided with combined sealing ring and the band that at least two Gask-O-Seals constitute in the plug inboard along cable, between two adjacent combined sealing rings and the band that joins thereof the sealing obturator is arranged, plug is two and half plugs of part for being connected vertically, this sleeve pipe can be reused, combined sealing ring is made of the annular seal pad of a plurality of radially phase fits in addition, its assembly quantity, according to the diameter decision of cable, easy to use.But also there are some defectives in it: the structure more complicated, and complicated operation, the sealing effectiveness of annular seal pad is undesirable, restricted application.
Three. the content of utility model:
The purpose of this utility model: overcome the defective of prior art, a kind of cable splice seal plug of good sealing effect and simple in structure, easy accessibility, oil-filled band wound form telecommunication cable junction casing that block-water performance is good are provided.
The technical solution of the utility model: a kind of cable splice seal plug, on a short cylindrical shape elastomer, in axial direction be provided with a certain number of combined labyrinth and carbon gland annular elastomer, each elastomeric center of combined labyrinth and carbon gland annular is solid or hollow cylinder, the hollow elastic cylinder that outside solid or hollow cylinder, mates nestable certain number of plies mutually, described combined labyrinth and carbon gland annular elastomer one end face is connected to one, the elastomeric center of wherein said combined labyrinth and carbon gland annular is solid or hollow truncated cone body, the Chang Houdu of certain number of plies or the hollow truncated cone elastomer of thickening degree is arranged in that the external mutual coupling of described solid or hollow truncated cone is nestable.
The nestable elastomeric longitudinal section of hollow truncated cone of described mutual coupling is an isosceles trapezoid, and the trapezoidal following base angle of these isosceles is 85 °≤α＜90 °.
On described short cylindrical shape elastomer one transverse plane, be provided with one, or two, or three, or four recessed combined labyrinth and carbon gland annular elastomers.
On the elastomeric radial direction of each recessed combined labyrinth and carbon gland annular, be provided with hole.
Described short cylindrical shape elastomer is a rubber elastomer, or is rubber-plastic elastomer, or is the flexible plastics elastomer.
A kind of oil-filled band wound form telecommunication cable junction casing that contains described cable splice seal plug, contain the cylindrical housings with center cavity and the housing retention mechanism that form by upper shell and lower house, on the inner surface of the two ends of cylindrical housings, be respectively equipped with the circular orientation groove, described cable splice seal plug is separately fixed in this circular orientation groove, the cable at two ends passes from the combined labyrinth and carbon gland annular elastomer of described cable splice seal plug respectively, after corresponding cable core continues and reinforces, the fixed pliers head at cable shield conductor or shielded conductor two ends clamps respectively and fastens in cable openings place, cable splice joint two ends, under the heart yearn band and outer jacket on, be fixed with the oil-filled band hermetically-sealed construction layer that blocks water of certain number of plies between two cable adapter two ends, described oil-filled band hermetically-sealed construction layer is for laminating multi-lay winding telescopiform structure from left to right or from right to left mutually.
Oil-filled band is to scribble the band of greasy for preventing water on the upper and lower surface of band, is provided with the adhesive tape fixed bed at oil-filled band hermetically-sealed construction layer two ends, is provided with the pulling force belt fixed bed at the outer surface of oil-filled band hermetically-sealed construction layer.
Be filled with the fluid sealant adhesive layer in the truncated cone chamber between combined labyrinth and carbon gland annular and cable.
On described, the lower house dual-side is respectively equipped with the strip groove and the raised line of mutual fastening vertically, the retention mechanism of housing is a certain number of annular anchor ear that is placed on housing outer surface, described annular anchor ear is made up of the bonding jumper that a worm screw and an end are fixed on the worm screw fixed mount, wherein the other end of bonding jumper is provided with the bar-shaped trough that is complementary with worm screw, on bonding jumper or worm screw fixed mount, be provided with hanged hook, or annular anchor ear is made up of two armfuls of sheets, wherein two ends of embracing sheet are hinged, the other end is provided with the boss and the hook of mutual fastening, and one armful of sheet is provided with hanged hook therein.
On described, one side of lower house is hinged by the hinge of some, the retention mechanism of housing is a certain number of annular anchor ear that is placed on housing outer surface, described annular anchor ear is made up of the bonding jumper that a worm screw and an end are fixed on the worm screw fixed mount, wherein the other end of bonding jumper is provided with the bar-shaped trough that is complementary with worm screw, on bonding jumper or worm screw fixed mount, be provided with hanged hook, or annular anchor ear is made up of two armfuls of sheets, wherein two ends of embracing sheet are hinged, the other end is provided with the boss and the hook of mutual fastening, and one armful of sheet is provided with hanged hook therein.
The beneficial effects of the utility model:
1. cable splice seal plug good sealing effect of the present utility model, the complex sealing ring of this plug is made up of the multilayer cone barrel sheet rubber that root links to each other, needs according to cable, the quantity of sheet rubber is removed in selection, the cable that can adapt to plurality of specifications, divergent-cone wall is convenient to passing of cable in addition, helps injecting fluid sealant simultaneously, good sealing effect when therefore using.
2. the utility model is simple in structure, block-water effect good.Adopt oil-filled band wrapping cable joint, and two ends and outer surface at this oil-filled band are fastened with adhesive tape and pulling force belt, form multi-sealed, simple in structure like this, just in case when water intrusion is arranged, the ointment on the oil-filled band will discharge super absorbent material, water is become colloid, thereby form the wall that blocks water, reach the purpose that stops water to enter cable joint, effect is fairly obvious.
The utility model temperature and environmental suitability strong, have a self-healing function.The chemical physical property of annex such as ointment, sleeve pipe is stable, in neutrality, acidity and alkaline aqueous environment, can both be suitable for, and any chemical change can not take place between-30 ℃～60 ℃, can repair automatically the defective pair in the cable simultaneously, make it reach the good insulation performance situation, also can bear the outside destroy in the certain limit, so long service life, through detecting the correlation technique requirement that meets communication industry standard YD/T590-1992 " telecommunication cable plastic sheath joint coupling ".
4. the utility model can be reused, fitting operation is simple and free from environmental pollution.When joint need be readjusted, open sleeve pipe and can finish whole operations, and be not devastatingly sleeve pipe to be damaged, therefore simple to operate, can reuse, cut operating costs, help improving economic benefit of enterprises, absorb water in addition ointment in use chemical property any change does not take place, nontoxic, tasteless, all harmless to human and environment, can use for a long time.
5. the utility model scope of application is wide, is easy to promotion and implementation, has good society and economic benefit after the enforcement.
Four. description of drawings:
Fig. 1 is one of structural representation of cable splice seal plug
Fig. 2 is the left view of cable splice seal plug shown in Figure 1
Fig. 3 is the right view of cable splice seal plug shown in Figure 1
Fig. 4 be the cable splice seal plug structural representation two
Fig. 5 is the left view of cable splice seal plug shown in Figure 4
Fig. 6 is the right view of cable splice seal plug shown in Figure 4
Fig. 7 be the cable splice seal plug structural representation three
Fig. 8 is the left view of cable splice seal plug shown in Figure 7
Fig. 9 is the right view of cable splice seal plug shown in Figure 7
Figure 10 be the cable splice seal plug structural representation four
Figure 11 is the left view of cable splice seal plug shown in Figure 10
Figure 12 is the right view of cable splice seal plug shown in Figure 10
Figure 13 is the structural representation of oil-filled band wound form telecommunication cable junction casing
Figure 14 is one of A-A profile shown in Figure 13
Figure 15 is one of B-B cutaway view shown in Figure 13
Figure 16 is two of an A-A profile shown in Figure 13
Figure 17 is two of a B-B cutaway view shown in Figure 13
Figure 18 is three of an A-A profile shown in Figure 13
Figure 19 is three of a B-B cutaway view shown in Figure 13
Five. embodiment:
Embodiment one: referring to Fig. 1, Fig. 2 and Fig. 3, among the figure, the cable splice seal plug is a short cylindrical shape rubber elastomer 1, be provided with one combined labyrinth and carbon gland annular rubber elastomer along its axis direction, described combined labyrinth and carbon gland annular rubber elastomer one end face is connected to one, its center is solid truncated cone body, the Chang Houdu of certain number of plies or the hollow truncated cone elastomer 3 of thickening degree is arranged in that the external mutual coupling of described solid truncated cone is nestable.The longitudinal section of hollow truncated cone elastomer 3 is an isosceles trapezoid, and the trapezoidal following base angle of these isosceles is 85 °≤α＜90 °.On the elastomeric radial direction of combined labyrinth and carbon gland annular, be provided with hole 4, split during these hole 4 normalities, be convenient to tear sheet rubber 3 and cable is passed, press together after the installation, tighten up and the sealed electrical cable.For easy for installation, can on rubber elastomer 1, be provided with a cavity 2.
As required, the cable splice seal plug also can adopt rubber-plastic elastomer, or the flexible plastics elastomer.
Embodiment two: referring to Fig. 4, Fig. 5 and Fig. 6, present embodiment and embodiment one are basic identical, the identical representative same meaning of numbering among the figure, and something in common does not repeat, difference is: be provided with two combined labyrinth and carbon gland annular elastomers on described rubber elastomer 1, the two 180 ° at interval.
Embodiment three: referring to Fig. 7, Fig. 8 and Fig. 9, present embodiment and embodiment one are basic identical, the identical representative same meaning of numbering among the figure, and something in common does not repeat, difference is: be provided with three combined labyrinth and carbon gland annular elastomers on described rubber elastomer 1,120 ° of three spaces.
Embodiment four: referring to Figure 10, Figure 11 and Figure 12, present embodiment and embodiment one are basic identical, the identical representative same meaning of numbering among the figure, and something in common does not repeat, difference is: be provided with four combined labyrinth and carbon gland annular elastomers on rubber elastomer 1,90 ° of their spaces.
Embodiment five: referring to Figure 13, Figure 14 and Figure 15, the numbering representative same meaning identical among the figure with embodiment one, the upper shell of oil-filled band wound form telecommunication cable junction casing and lower house dual-side are respectively equipped with the strip groove and the raised line of mutual fastening vertically, the cylindrical housings with center cavity 5 that forms, the retention mechanism of housing 5 is a certain number of anchor ear 6 that is placed on housing 5 outer surfaces, on the inwall of the two ends of cylindrical housings 5, be respectively equipped with positioning ring groove, described cable splice plug is separately fixed in this positioning ring groove, the cable 8 at two ends passes from the combined labyrinth and carbon gland annular elastomer of described cable splice plug respectively, be fixed with the oil-filled band hermetically-sealed construction layer 7 that blocks water of certain number of plies between two cables, 8 joint two ends, described oil-filled band hermetically-sealed construction layer 7 is for laminating multi-lay winding telescopiform structure from left to right or from right to left mutually.
Be provided with adhesive tape fixed bed 10 at oil-filled band hermetically-sealed construction layer 7 two ends, be provided with pulling force belt fixed bed (not drawing among the figure) at the outer surface of oil-filled band hermetically-sealed construction layer 7.Described oil-filled band 7 is the bands that scribble greasy for preventing water on the upper and lower surface of band.Be provided with fluid sealant adhesive layer 9 in the truncated cone chamber between combined labyrinth and carbon gland annular elastomer and cable 8.Annular anchor ear 6 is made up of the bonding jumper 6-1 that a worm screw 6-2 and an end are fixed on the worm screw fixed mount, wherein the other end of bonding jumper 6-1 is provided with the bar-shaped trough that is complementary with worm screw 6-2, can rugged housing 5 by it, when needing, can on bonding jumper 6-1 or worm screw 6-2 fixed mount, be provided with hanged hook.
During use, corresponding cable core connect reinforce after, embed following of shielding conductor clamp up and down between heart yearn and the outer jacket at the opening part of cable 8 respectively; Put last slice at outer jacket, again upper and lower strut 11 is put into, fastening with nut, with nylon cable tie connecting module is tightened; Be wound into the other end (encasing 5 centimetres of cable skins) with oil-filled band 7 from an end of joint, require to twine three times along pressing 1/2nd; Twined the oil-filled band 7 at two ends with adhesive tape 10, outside oil-filled band 7, twined three times with pulling force belt again, required along pressing 1/2nd.The mounting sleeve plug, the diameter with paper dipstick metering cable matches the sealing ring opening of plug and cable 8 diameters, loads onto housing 5, with shroud ring 6 fastening getting final product.
Embodiment six: referring to Figure 16 and Figure 17, the numbering representative same meaning identical among the figure with embodiment five, something in common does not repeat, difference is: a side of upper and lower casing is hinged by the hinge 12 of some, the retention mechanism of housing 5 is an annular anchor ear 6, this annular anchor ear 6 is embraced sheet by two and is formed, wherein two ends of embracing sheet are hinged, boss and hook 14 that the other end is provided with mutual fastening (are illustrated as articulated structure, also can be structure as a whole), one armful of sheet is provided with hanged hook 13 therein.
Embodiment seven: referring to Figure 18 and Figure 19, the numbering representative same meaning identical among the figure with embodiment five, something in common does not repeat, difference is: a side of upper and lower casing is hinged by the hinge 12 of some, boss and hook 14 that its another side is provided with mutual fastening (are illustrated as articulated structure, also can be structure as a whole), on upper shell, be provided with hanged hook 13.
Claims (10)
1. cable splice seal plug, on a short cylindrical shape elastomer, in axial direction be provided with a certain number of combined labyrinth and carbon gland annular elastomer, each elastomeric center of combined labyrinth and carbon gland annular is solid or hollow cylinder, the hollow elastic cylinder that outside solid or hollow cylinder, mates nestable certain number of plies mutually, described combined labyrinth and carbon gland annular elastomer one end face is connected to one, it is characterized in that: the elastomeric center of described combined labyrinth and carbon gland annular is solid or hollow truncated cone body, the Chang Houdu of certain number of plies or the hollow truncated cone elastomer of thickening degree is arranged in that the external mutual coupling of described solid or hollow truncated cone is nestable.
2. cable splice seal plug according to claim 1 is characterized in that: the nestable elastomeric longitudinal section of hollow truncated cone of described mutual coupling is an isosceles trapezoid, and the trapezoidal following base angle of these isosceles is 85 °≤α＜90 °.
3. cable splice seal plug according to claim 1 and 2 is characterized in that: on described short cylindrical shape elastomer one transverse plane, be provided with one, or two, or three, or four recessed combined labyrinth and carbon gland annular elastomers.
4. cable splice seal plug according to claim 3 is characterized in that: be provided with hole on the elastomeric radial direction of each recessed combined labyrinth and carbon gland annular.
5. cable splice seal plug according to claim 1 is characterized in that: described short cylindrical shape elastomer is a rubber elastomer, or is rubber-plastic elastomer, or is the flexible plastics elastomer.
6. oil-filled band wound form telecommunication cable junction casing that contains the described cable splice seal plug of claim 1, contain the cylindrical housings with center cavity and the housing retention mechanism that form by upper shell and lower house, on the inner surface of the two ends of cylindrical housings, be respectively equipped with the circular orientation groove, described cable splice seal plug is separately fixed in this circular orientation groove, the cable at two ends passes from the combined labyrinth and carbon gland annular elastomer of described cable splice seal plug respectively, after corresponding cable core continues and reinforces, the fixed pliers head at cable shield conductor or shielded conductor two ends clamps respectively and fastens in cable openings place, cable splice joint two ends, under the heart yearn band and outer jacket on, it is characterized in that: be fixed with the oil-filled band hermetically-sealed construction layer that blocks water of certain number of plies between two cable adapter two ends, described oil-filled band hermetically-sealed construction layer is for laminating multi-lay winding telescopiform structure from left to right or from right to left mutually.
7. oil-filled band wound form telecommunication cable junction casing according to claim 6, it is characterized in that: oil-filled band is the band that scribbles greasy for preventing water on the upper and lower surface of band, be provided with the adhesive tape fixed bed at oil-filled band hermetically-sealed construction layer two ends, be provided with the pulling force belt fixed bed at the outer surface of oil-filled band hermetically-sealed construction layer.
8. oil-filled band wound form telecommunication cable junction casing according to claim 7 is characterized in that: be filled with the fluid sealant adhesive layer in the truncated cone chamber between combined labyrinth and carbon gland annular and cable.
9. according to the arbitrary described oil-filled band wound form telecommunication cable junction casing of claim 6～8, it is characterized in that: on, the lower house dual-side is respectively equipped with the strip groove and the raised line of mutual fastening vertically, the retention mechanism of housing is a certain number of annular anchor ear that is placed on housing outer surface, described annular anchor ear is made up of the bonding jumper that a worm screw and an end are fixed on the worm screw fixed mount, wherein the other end of bonding jumper is provided with the bar-shaped trough that is complementary with worm screw, on bonding jumper or worm screw fixed mount, be provided with hanged hook, or annular anchor ear is made up of two armfuls of sheets, wherein two ends of embracing sheet are hinged, the other end is provided with the boss and the hook of mutual fastening, and one armful of sheet is provided with hanged hook therein.
10. according to the arbitrary described oil-filled band wound form telecommunication cable junction casing of claim 6～8, it is characterized in that: on, one side of lower house is hinged by the hinge of some, the retention mechanism of housing is a certain number of annular anchor ear that is placed on housing outer surface, described annular anchor ear is made up of the bonding jumper that a worm screw and an end are fixed on the worm screw fixed mount, wherein the other end of bonding jumper is provided with the bar-shaped trough that is complementary with worm screw, on bonding jumper or worm screw fixed mount, be provided with hanged hook, or annular anchor ear is made up of two armfuls of sheets, wherein two ends of embracing sheet are hinged, the other end is provided with the boss and the hook of mutual fastening, and one armful of sheet is provided with hanged hook therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420074756 CN2729979Y (en) | 2004-09-28 | 2004-09-28 | Cable connection sealing end and oil-filled band winding type communication cable connection sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420074756 CN2729979Y (en) | 2004-09-28 | 2004-09-28 | Cable connection sealing end and oil-filled band winding type communication cable connection sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729979Y true CN2729979Y (en) | 2005-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420074756 Expired - Fee Related CN2729979Y (en) | 2004-09-28 | 2004-09-28 | Cable connection sealing end and oil-filled band winding type communication cable connection sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729979Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022798A (en) * | 2013-01-04 | 2013-04-03 | 中国船舶重工集团公司第七一○研究所 | Anti-twist watertight device for underwater electric connector |
| CN106159869A (en) * | 2016-07-04 | 2016-11-23 | 西安交通大学 | The cable accessory explosion-protection equipment of a kind of flexibility and installation method |
-
2004
- 2004-09-28 CN CN 200420074756 patent/CN2729979Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022798A (en) * | 2013-01-04 | 2013-04-03 | 中国船舶重工集团公司第七一○研究所 | Anti-twist watertight device for underwater electric connector |
| CN103022798B (en) * | 2013-01-04 | 2014-12-10 | 中国船舶重工集团公司第七一○研究所 | Anti-twist watertight device for underwater electric connector |
| CN106159869A (en) * | 2016-07-04 | 2016-11-23 | 西安交通大学 | The cable accessory explosion-protection equipment of a kind of flexibility and installation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |