CN216353493U

CN216353493U - Injection molding type prefabricated branch cable with stable structure

Info

Publication number: CN216353493U
Application number: CN202122375476.1U
Authority: CN
Inventors: 刘磊; 周冬花; 狄勤卫; 姚祝勤; 许国中; 韩竞毅
Original assignee: JIANGSU ZHUYING SPECIAL CABLE CO Ltd
Current assignee: JIANGSU ZHUYING SPECIAL CABLE CO Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-19
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a stable-structure injection-molded prefabricated branch cable which comprises a main cable, branch cables, a conductor connecting sleeve, a mold-pressing branch joint, two groups of reinforcing components and an external protection component, wherein the branch cables are correspondingly and electrically connected and communicated with the main cable, and the conductor connecting sleeve is sleeved and pressed at the joint of the main cable and the branch cables in a matching manner. The external protection component is sleeved outside the branch cable, so that the branch cable has good waterproof performance and good corrosion resistance, can be correspondingly used in various environments, avoids the damage of the prefabricated branch cable caused by the external environment, and is clamped with the internal positioning ring groove under the matching of the reinforcing component to reinforce and position the positioning sleeve ring and the branch cable, so that the contact area between the branch cable and the die-pressing branch joint is increased, the tensile strength of the prefabricated branch cable is improved, and the situation that the branch cable is separated from the main cable when being subjected to external tensile force is avoided.

Description

Injection molding type prefabricated branch cable with stable structure

Technical Field

The utility model relates to the technical field of prefabricated branch cables, in particular to a stable-structure injection molding type prefabricated branch cable.

Background

The prefabricated branch cable is a cable which is manufactured in advance in a factory, is connected with a main cable through branches and is provided with branch cables, required branch cables which can be communicated with a user ammeter or an electric appliance are connected to each position specified by the main cable, and the prefabricated branch cable is suitable for power transmission and distribution occasions of buildings with clear use properties, relatively stable electrical loads and humid environments and is widely used in places such as medium and high-rise buildings, standardized factories, television stations, large markets, comprehensive cultural relic venues, roads, bridges, tunnels and the like.

The prior art has the following defects: the existing prefabricated branch cable is poor in stability, poor in waterproof and anticorrosive performance, and very easy to cause corrosion damage caused by invasion of water sources and pollutants when being used in environments such as humid environments for a long period, the service life of the prefabricated branch cable is shortened, the prefabricated branch cable is limited greatly, meanwhile, the tensile strength of the existing prefabricated branch cable is not good, the situation that the branch cable is separated from a main cable is very easy to occur under the traction of external high strength, and the whole safety of the prefabricated branch cable is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a structural stable injection molding type prefabricated branch cable to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: prefabricated branch cable of stable in structure type formula of moulding plastics, including trunk cable, branch cable, conductor adapter sleeve, mould pressing branch joint, two sets of reinforcement subassembly and outside protection component, branch cable corresponds the electric connection intercommunication with the trunk cable, conductor adapter sleeve matches the cover and establishes the crimping in trunk cable, branch cable junction, mould pressing branch joint corresponds the cover and establishes on trunk cable, branch cable, outside protection component cover is established in branch cable outside, and is two sets of it establishes in branch cable outside to consolidate the subassembly interval cover, and consolidates the subassembly and corresponds the block with branch cable and fix.

As a further preferred aspect of the present invention, the orientation of the branch cable and the main cable are in the same direction, and the branch cable and the main cable should not be twisted on the same axis.

As a further preferred feature of the present technical solution, the conductor connecting sleeve is formed by processing copper or a copper alloy having a good electrical conductivity, and the conductor connecting sleeve has good electrical and mechanical properties after being crimped.

As a further preferred aspect of the present invention, the molded branch joint is made of polyvinyl chloride, which is used for processing the insulator by injection molding, and the molded branch joint ensures no air holes, no impurities and smooth surface in the insulator during the processing.

As further preferred of this technical scheme, outside protection subassembly includes a waterproof layer, No. two waterproof layers, anticorrosive coating and No. two anticorrosive coatings, a waterproof layer corresponds the laminating cover and establishes at the branch cable surface, the anticorrosive coating laminating cover is established at a waterproof layer surface, No. two anticorrosive coatings cover and establish at an anticorrosive coating surface, No. two waterproof layer covers establish at No. two anticorrosive coating surfaces.

As this technical scheme's further preferred, a waterproof layer has polymer cement base waterproof coating through spraying in waterproof substrate outside for a waterproof layer possess superstrong waterproof performance, difficult burning, do not have the corrosivity, No. two waterproof layers have non-tar polyurethane waterproof coating through spraying in waterproof substrate outside, make No. two waterproof layers effectively prevent the toxicity of amine system chain extender to give off, can generate elasticity seamless rubber waterproof layer after the solidification, No. one anticorrosive coating adopts the stainless steel to form for the substrate suppression, No. two anticorrosive coatings adopt the glass steel to form for the substrate suppression.

As a further preferred of this technical scheme, consolidate the subassembly and include reinforcement semi-ring, No. two reinforcement semi-rings, extension board, the position fixing ring circle, external connecting piece and inside positioning ring groove for one number, reinforcement semi-ring, No. two reinforcement semi-rings can correspond the concatenation for circular, extend the board welding and consolidate semi-ring, No. two reinforcement semi-ring both sides end department, and extend between the board through the bolt closure, the fixed cover of position fixing ring is established outside branch cable, the fixed cover of external connecting piece is established at the position fixing ring external surface, inside positioning ring groove is seted up and is consolidated semi-ring, No. two and consolidate the semi-ring inner wall, and external connecting piece corresponds the cutting ferrule in inside positioning ring groove, and a reinforcement semi-ring, No. two reinforcement semi-ring inlays and establishes in mould pressing branch connects.

The utility model provides a stable-structure injection-molded prefabricated branch cable which has the following beneficial effects:

(1) according to the utility model, the external protection component is arranged, the first waterproof layer and the second waterproof layer are used for wrapping the first anticorrosive layer and the second anticorrosive layer, and the first waterproof layer, the second waterproof layer, the first anticorrosive layer and the second anticorrosive layer are additionally sleeved outside the branch cable in a stacking manner, so that the branch cable has good waterproof performance and good corrosion resistance effect, can be correspondingly used in various environments, prolongs the service life of the prefabricated branch cable, and avoids the damage of the prefabricated branch cable caused by the external environment.

(2) According to the utility model, the reinforcing component is arranged, the positioning sleeve ring is fixedly sleeved outside the branch cable, the first reinforcing half ring and the second reinforcing half ring are reserved in the die pressing branch joint and are spliced into a circular shape, and under the matching of the external connecting piece and the internal positioning ring groove, the reinforcing and positioning of the positioning sleeve ring and the branch cable are realized, the contact area between the branch cable and the die pressing branch joint is increased, the tensile strength of the prefabricated branch cable is improved, and the situation that the branch cable is separated from the main cable when being subjected to external tensile force is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the molded branch joint of the present invention;

FIG. 3 is a schematic view of the connection of trunk cables and branch cables according to the present invention;

FIG. 4 is a schematic structural view of a reinforcement assembly of the present invention;

fig. 5 is a schematic structural diagram of an external protection component of the present invention.

In the figure: 1. a trunk cable; 2. a branch cable; 3. a conductor connecting bushing; 4. molding the branch joint; 5. a reinforcement assembly; 6. an outer protective component; 7. a first waterproof layer; 8. a second waterproof layer; 9. a first anticorrosive layer; 10. a second anticorrosive layer; 11. a first reinforcing semi-ring; 12. reinforcing the semi-ring; 13. an extension plate; 14. a positioning collar; 15. an external connection; 16. an inner positioning ring groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 5, the present invention provides the technical solutions: prefabricated branch cable of stable in structure type formula of moulding plastics, including main cable 1, branch cable 2, conductor connecting sleeve 3, mould pressing branch joint 4, two sets of reinforcement subassembly 5 and outside protection component 6, branch cable 2 corresponds the electric connection intercommunication with main cable 1, conductor connecting sleeve 3 matches the cover and establishes the crimping at main cable 1, branch cable 2 junction, mould pressing branch joint 4 corresponds the cover and establishes on main cable 1,

branch cable

2, 6 covers of outside protection component establishes in branch cable 2 outsidely, and is two sets of it establishes in branch cable 2 outsidely to consolidate 5 interval covers of subassembly, and consolidates subassembly 5 and branch cable 2 and correspond the block and fix.

In this embodiment, specifically: the orientation of the branch cable 2 and the main cable 1 is in the same direction, and the branch cable 2 and the main cable 1 should not be twisted on the same axis.

In this embodiment, specifically: the conductor connecting sleeve 3 is formed by processing copper or copper alloy with better conductivity, and the conductor connecting sleeve 3 has good electrical property and mechanical property after being crimped.

In this embodiment, specifically: the mould pressing branch joint 4 is made of polyvinyl chloride materials by adopting plastics for processing the insulator through injection moulding, and the mould pressing branch joint 4 is required to ensure that no air holes, no impurities and smooth surface are formed in the insulator in the processing process.

In this embodiment, specifically: outside protection subassembly 6 includes waterproof layer 7, No. two waterproof layers 8, anticorrosive coating 9 and No. two anticorrosive coatings 10, waterproof layer 7 corresponds the laminating cover and establishes at branch cable 2 surface, anticorrosive coating 9 laminating cover is established at waterproof layer 7 surface, No. two anticorrosive coating 10 covers is established at anticorrosive coating 9 surface, No. two waterproof layer 8 covers is established at anticorrosive coating 10 surface No. two, and waterproof layer 7, No. two waterproof layers 8, anticorrosive coating 9 and No. two anticorrosive coating 10 stack covers are established in branch cable 2 outsidely for branch cable 2 has good waterproof performance concurrently, has good corrosion-resistant effect simultaneously, can correspond and use in various environment, has prolonged this prefabricated branch cable 2's life.

In this embodiment, specifically: a waterproof layer 7 has polymer cement base waterproof coating through spraying in waterproof substrate outside for a waterproof layer 7 possess superstrong waterproof performance, difficult burning, do not have the corrosivity, No. two waterproof layers 8 have non-tar polyurethane waterproof coating through spraying in waterproof substrate outside for No. two waterproof layers 8 prevent effectively that the toxicity of amine system chain extender from giving off, can generate elasticity seamless rubber waterproof layer after the solidification, No. one anticorrosive coating 9 adopts the stainless steel to form for the substrate suppression, No. two anticorrosive coatings 10 adopt the glass steel to form for the substrate suppression.

In this embodiment, specifically: the reinforcing component 5 comprises a first reinforcing half ring 11, a second reinforcing half ring 12, an extension plate 13, a positioning ring 14, an external connecting piece 15 and an internal positioning ring groove 16, wherein the first reinforcing half ring 11 and the second reinforcing half ring 12 can be correspondingly spliced into a circle, the extension plate 13 is welded at two side ends of the first reinforcing half ring 11 and the second reinforcing half ring 12, the extension plate 13 is locked by bolts, the positioning ring 14 is fixedly sleeved outside the branch cable 2, the external connecting piece 15 is fixedly sleeved on the outer surface of the positioning ring 14, the internal positioning ring groove 16 is arranged on the inner walls of the first reinforcing half ring 11 and the second reinforcing half ring 12, the external connecting piece 15 is correspondingly clamped in the internal positioning ring groove 16, the first reinforcing half ring 11 and the second reinforcing half ring 12 are embedded in the mold pressing branch joint 4, the first reinforcing half ring 11 and the second reinforcing half ring 12 are reserved in the mold pressing branch joint 4 and spliced into a circle, under the cooperation of external connecting piece 15 and inside positioning ring groove 16, realized the reinforcement location to position lantern ring 14 and branch cable 2, increased branch cable 2 and the area of contact of mould pressing branch joint 4, promoted prefabricated branch cable 2's tensile strength.

The working principle is that when in use, the main cable 1 is electrically connected through the conductor connecting sleeve 3, high-efficiency transmission of subsequent data and the like is ensured, meanwhile, the mould pressing branch joint 4 is pressed outside the main cable 1 and the branch cable 2, the external wrapping protection of the prefabricated branch cable 2 is realized, the electric cable has the advantages of reliable power supply, good waterproof property, corrosion resistance, low price, simple installation, space saving, low environmental requirement, maintenance free and the like, through arranging the external protection component 6, the wrapping design of the first waterproof layer 7 and the second waterproof layer 8 on the first anticorrosive layer 9 and the second anticorrosive layer 10 is utilized, the first waterproof layer 7, the second waterproof layer 8, the first anticorrosive layer 9 and the second anticorrosive layer 10 are overlapped and sleeved outside the branch cable 2, so that the branch cable 2 has good waterproof property and good corrosion resistance, and can be correspondingly used in various environments, the service life of this prefabricated branch cable 2 has been prolonged, avoid external environment to cause prefabricated branch cable 2's damage, through being equipped with reinforcing component 5, the fixed cover of position sleeve ring 14 is established in branch cable 2 outside, reinforcement semi-ring 11 simultaneously, No. two reinforcement semi-rings 12 are reserved and are spliced for circularly at mould pressing branch joint 4, cooperation through external connecting piece 15 and inside positioning ring groove 16 is down, the reinforcement location to position sleeve ring 14 and branch cable 2 has been realized, branch cable 2 has increased the area of contact with mould pressing branch joint 4, prefabricated branch cable 2's tensile strength has been promoted, avoid branch cable 2 to appear the situation of separating with main cable 1 when receiving external pulling force, the safe and stable in utilization of this prefabricated branch cable 2 has been ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prefabricated branch cable of stable in structure type formula of moulding plastics, its characterized in that includes main cable (1), branch cable (2), conductor connecting sleeve (3), mould pressing branch joint (4), two sets of reinforcement subassembly (5) and outside protection component (6), branch cable (2) correspond the electric connection intercommunication with main cable (1), conductor connecting sleeve (3) match the cover and establish the crimping in main cable (1), branch cable (2) junction, mould pressing branch joint (4) correspond the cover and establish on main cable (1), branch cable (2), outside protection component (6) cover is established in branch cable (2) outside, and is two sets of reinforcement subassembly (5) interval cover is established in branch cable (2) outside, and reinforcement subassembly (5) correspond the block with branch cable (2) and fix.

2. The structurally stabilized injection molded prefabricated drop cable of claim 1, wherein: the orientation of the branch cable (2) and the orientation of the main cable (1) are in the same direction, and the branch cable (2) and the main cable (1) are not twisted on the same axis.

3. The structurally stabilized injection molded prefabricated drop cable of claim 1, wherein: the conductor connecting sleeve (3) is formed by processing copper or copper alloy with good conductivity, and the conductor connecting sleeve (3) has good electrical property and mechanical property after being crimped.

4. The structurally stabilized injection molded prefabricated drop cable of claim 1, wherein: the mould pressing branch joint (4) is made of polyvinyl chloride materials by adopting plastics for processing the insulator through injection moulding, and the mould pressing branch joint (4) is required to ensure that no air holes, no impurities and smooth surface are formed in the insulator in the processing process.

5. The structurally stabilized injection molded prefabricated drop cable of claim 1, wherein: outside protection subassembly (6) include waterproof layer (7), No. two waterproof layers (8), anticorrosive coating (9) and No. two anticorrosive coating (10), waterproof layer (7) correspond the laminating cover and establish branch cable (2) surface, anticorrosive coating (9) laminating cover is established at waterproof layer (7) surface, No. two anticorrosive coating (10) cover is established at anticorrosive coating (9) surface, No. two waterproof layer (8) cover is established at anticorrosive coating (10) surface.

6. The structurally stabilized injection molded prefabricated drop cable of claim 5, wherein: waterproof layer (7) have polymer cement base waterproof coating through spraying in waterproof substrate outside for waterproof layer (7) possess superstrong waterproof performance, be difficult for burning, do not have the corrosivity, No. two waterproof layers (8) have non-tar polyurethane waterproof coating through spraying in waterproof substrate outside for No. two waterproof layers (8) effectively prevent the toxicity of amine system chain extender to give off, can generate elasticity seamless rubber waterproof layer after the solidification, anticorrosive coating (9) adopt the stainless steel to form for the substrate suppression, No. two anticorrosive coating (10) adopt the glass steel to form for the substrate suppression.

7. The structurally stabilized injection molded prefabricated drop cable of claim 1, wherein: the reinforcing component (5) comprises a first reinforcing half ring (11), a second reinforcing half ring (12), an extension plate (13), a positioning ring (14), an external connecting piece (15) and an internal positioning ring groove (16), the first reinforcing half ring (11) and the second reinforcing half ring (12) can be correspondingly spliced into a circular shape, the extension plate (13) is welded at two side ends of the first reinforcing half ring (11) and the second reinforcing half ring (12), the extension plates (13) are locked by bolts, the positioning ring (14) is fixedly sleeved outside the branch cable (2), the external connecting piece (15) is fixedly sleeved on the outer surface of the positioning ring (14), the internal positioning ring groove (16) is arranged on the inner wall of the first reinforcing half ring (11) and the second reinforcing half ring (12), and the external connecting piece (15) is correspondingly clamped in the internal positioning ring groove (16), and the first reinforcing semi-ring (11) and the second reinforcing semi-ring (12) are embedded in the mould pressing branch joint (4).