CN104332938A - Low-voltage cable branching connector and low-voltage cable distribution box - Google Patents
Low-voltage cable branching connector and low-voltage cable distribution box Download PDFInfo
- Publication number
- CN104332938A CN104332938A CN201410592177.5A CN201410592177A CN104332938A CN 104332938 A CN104332938 A CN 104332938A CN 201410592177 A CN201410592177 A CN 201410592177A CN 104332938 A CN104332938 A CN 104332938A
- Authority
- CN
- China
- Prior art keywords
- low
- fittings body
- voltage cable
- pipeline
- intermediate sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
Landscapes
- Cable Accessories (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a low-voltage cable branching connector and a low-voltage cable distribution box. The low-voltage cable branching connector is characterized in that annular tooth grooves are machined inside vertical side pipeline openings and horizontal side pipeline openings of right-angle pipelines inside a connector body cover; right-angle portions of the right-angle pipelines are communicated through a connector body; two adjacent surface positions of the connector body, which are opposite to vertical side pipelines and horizontal side pipelines, are provided with circular holes; every two circular holes are communicated; internal threads are machined on the circular holes which are corresponding to horizontal pipelines; middle sleeves are arranged inside the vertical side pipeline openings of the connector body cover; the annular tooth grooves are formed inside the middle sleeves and cables are inserted inside the annular tooth grooves; ends of the cables are inserted into the connector body circular holes which are corresponding to the vertical side pipelines and are compressed through cable pressing nuts. The low-voltage cable distribution box is characterized in that the above four rows of low-voltage cable branching connectors are installed on trapezoid folding plates of a box body base plate. The low-voltage cable branching connector and the low-voltage cable distribution box can safely and efficiently achieve load distribution.
Description
Technical field
The invention belongs to technical field of electric power, be specifically related to a kind of low-voltage cable branch joint and low-voltage cable distribution box.
Background technology
Along with cable is in a large amount of uses of low-voltage network, how cable line realizes sharing of load, is more and more subject to people's attention.Cable line will realize sharing of load, will inevitably relate to the problem that insulation breakdown and conductor connect two aspects.How ensureing the contact that joint location conductor is good and insulation recovery, is that low-voltage cable lines branch is successfully crucial.The traditional product in the past solving cable line branch adopts on exposed bronze medal to hole, and is bolted into and out of line cable to realize the sharing of load of cable line.This cable line branching method often also exists contact difference, the potential safety hazard that insulating properties is not strong, when accessing copper, aluminium, alloy cable, copper aluminum wire clamp or copper-aluminium transition nose need be adopted to process, and installs trouble, high expensive.
Low-voltage cable branch joint of the present invention is that its maximum feature to set up good electric connection and fast quick-recovery cable insulation fast specially for the product that the sharing of load problem of cable line is researched and developed.Low-voltage cable branch joint of the present invention has processed the good contact of joint location conductor and this two problems of insulation recovery preferably, has filled up the blank of this series products domestic, has possessed wide market prospects.
Summary of the invention
An object of the present invention is the needs according to electrical production scene, provides a kind of low-voltage cable branch joint that can realize sharing of load safely, efficiently.
Above-mentioned purpose of the present invention realizes by the following technical solutions: this low-voltage cable branch joint, it comprises fittings body cover, fittings body cover is a permutation and combination body having that some longitudinal sections are the pipeline of square, is all processed with ring slot in the vertical edge pipeline opening of each square pipeline and in horizontal sides pipeline opening; The right angle portions of each square pipeline is through by a fittings body; Described fittings body is a cuboid strip component, and its two adjacent surfaces is respectively processed with a circular hole, Liang Ge circular hole UNICOM relative to the vertical edge pipeline of each square pipeline and horizontal sides pipeline location, and the circular hole corresponding with horizontal pipe is processed with internal thread; Be provided with the intermediate sleeve with its internal diameter interference fit in the vertical edge pipeline opening of described fittings body cover, be processed with ring slot in intermediate sleeve, in intermediate sleeve, interference fit interts cable; Cable inserts in the circular hole corresponding with vertical edge pipeline of fittings body through its termination after intermediate sleeve, then by the line ball nut compression in the fittings body circular hole corresponding with horizontal pipe, makes cable be connected in fittings body; The waterproof cover with its internal diameter interference fit is configured with in the horizontal sides pipeline opening of described fittings body cover; Described fittings body adopts aluminium alloy 6061 to make, and described intermediate sleeve and waterproof cover adopt ethylene propylene diene rubber to make.
Concrete, from top to bottom in stairstepping from large to small, its internal diameter matches with the cable of different-diameter the diameter of described intermediate sleeve.
Two of object of the present invention is to provide the low-voltage cable distribution box based on above-mentioned low-voltage cable branch joint.
Above-mentioned purpose of the present invention realizes by the following technical solutions: this low-voltage cable distribution box, and it comprises casing, and casing has been connected through the hinge drop front, and drop front is provided with handle door lock; Base plate in casing is fixed with one block of trapezoidal flap, trapezoidal flap is fixed with four row's low-voltage cable branch joints; The dual-side of described box bottom is provided with hanging feet, and casing lower end side plate is provided with cable passing hole, and casing left and right sides plate is provided with air vent hole, and adds Anti-mosquito mesh; Described trapezoidal flap is provided with chute, low-voltage cable branch joint is installed on it by chute and screw.
Concrete, described low-voltage cable branch joint comprises fittings body cover, and fittings body cover is a permutation and combination body having that some longitudinal sections are the pipeline of square, is all processed with ring slot in the vertical edge pipeline opening of each square pipeline and in horizontal sides pipeline opening; The right angle portions of each square pipeline is through by a fittings body; Described fittings body is a cuboid strip component, and its two adjacent surfaces is respectively processed with a circular hole, Liang Ge circular hole UNICOM relative to the vertical edge pipeline of each square pipeline and horizontal sides pipeline location, and the circular hole corresponding with horizontal pipe is processed with internal thread; Be provided with the intermediate sleeve with its internal diameter interference fit in the vertical edge pipeline opening of described fittings body cover, be processed with ring slot in intermediate sleeve, in intermediate sleeve, interference fit interts cable; Cable inserts in the circular hole corresponding with vertical edge pipeline of fittings body through its termination after intermediate sleeve, then by the line ball nut compression in the fittings body circular hole corresponding with horizontal pipe, makes cable be connected in fittings body; The waterproof cover with its internal diameter interference fit is configured with in the horizontal sides pipeline opening of described fittings body cover; Described fittings body adopts aluminium alloy 6061 to make, and described intermediate sleeve and waterproof cover adopt ethylene propylene diene rubber to make.
Concrete, described casing and drop front adopt corrosion resistant plate 201L to make.
Low-voltage cable branch joint of the present invention and low-voltage cable distribution box have the following advantages compared with traditional branch joint and distribution box:
(1) novel insulating Design ensures insulation recovery fast.It is insulating material that low-voltage cable branch joint have employed propyl group plastic cement, ensure that the insulation property of product, ageing resistace and excellent mechanical performance.By stepped designs, utilize the restoring force of material to hold cable insulation tightly, recover rapidly insulation, withstand voltagely reach 3800V/min.Totally-enclosed insulation, chargedly can touch, improves device security to greatest extent, relative to the exposed bus of former distribution box, has done insulation processing, has ensured personal safety to greatest extent.Construct and completely close installing hole again, namely beyond the Great Wall after waterproof cover, the degree of protection of cable branch joint reaches IP68, can realize running under water.
(2) novel cable interconnection technique ensures that junction contacts is good, and copper/aluminium adapts to, without the need to compression bonded line nose.Bus have employed aluminium alloy and passivation of metal surfaces treatment technology, is ensureing, outside excellent conductivity, to inhibit the electrochemical reaction of copper, aluminium to greatest extent, does not need to adopt copper-aluminum transition terminal i.e. accessible copper, aluminium, alloy cable.Traditional distribution box can only process with copper aluminum wire clamp or copper-aluminium transition nose.Adopt bolt crimp technology and fittings body large contact surface conductive channel, ensure that various conductive cable contacts resistance is not more than 500 μ Ω, ensure that conductive cable contacts is good, do not need compression bonded line nose.Reduce installation cost and labour intensity, improve installation effectiveness.Decrease the trouble such as buying, stock of the wiring nose of various model.
(3) distribution box have employed the installation of trapezoidal flap, substantially reduces distribution box volume.Compact size, only has about 1/3rd of traditional product volume.The installation environments such as the cable shaft to dimensional requirement harshness, corridor can be met.
(4) branch joint module have employed slide rail and installs.Ensure that cable axially accesses zero stress.The cable heated that is in operation axially can produce thermal stress at cable, because adopt slide rail to install can eliminate Axial Thermal stress, guarantees that joint contact is good.Cable distribution box of the present invention can guarantee the zero stress installation and operation of cable.
(5) the SLD series of products that underground is run have good waterproofing design, can effective waterproof, meet in tourist district, down town, Deluxe villa district etc. underground, the region operation of taking up an area and outward appearance has higher requirements.
Accompanying drawing explanation
Fig. 1 is the exploded view of low-voltage cable branch joint of the present invention.
Fig. 2 is the vertical profile theory structure schematic diagram of low-voltage cable branch joint of the present invention.
Fig. 3 is the front view of Fig. 1 center tap body cover.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the A-A cutaway view of Fig. 3.
Fig. 6 is the cross section view of Fig. 1 center tap body.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the A-A cutaway view of Fig. 6.
Fig. 9 is the front view of low-voltage cable distribution box of the present invention.
Figure 10 is the upward view of Fig. 9.
Figure 11 is the left view of Fig. 9.
Figure 12 is the schematic diagram of Fig. 9 when removing drop front.
Figure 13 is the left view of Fig. 9 inside.
Figure 14 is the enlarged drawing at I place in Figure 13.
Figure 15 is K direction view in Figure 13.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
See Fig. 1, Fig. 2, low-voltage cable branch joint of the present invention comprises fittings body cover 1, fittings body 2, intermediate sleeve 3, line ball nut 4, waterproof cover 5,6 are cables.Composition graphs 3, Fig. 4, Fig. 5, fittings body cover 1 is a permutation and combination body having that six longitudinal sections are the pipeline of square, is all processed with ring slot in the vertical edge pipeline opening of each square pipeline of fittings body cover 1 and in horizontal sides pipeline opening; The right angle portions of each square pipeline is through by fittings body 2.Composition graphs 6, Fig. 7, Fig. 8, fittings body 2 is cuboid strip components, and fittings body 2 adopts aluminium alloy 6061 to make; Fittings body 2 two adjacent surfaces is respectively processed with a circular hole, Liang Ge circular hole UNICOM relative to the vertical edge pipeline of each square pipeline and horizontal sides pipeline location, and as seen from the figure, the circular hole corresponding with horizontal pipe is processed with internal thread.From Fig. 1, Fig. 2, in the vertical edge pipeline opening of fittings body cover 1, be provided with the intermediate sleeve 3 with its internal diameter interference fit; Intermediate sleeve 3 adopts ethylene propylene diene rubber to make, the diameter of intermediate sleeve 3 from top to bottom in stairstepping from large to small, its internal diameter matches with the cable of different-diameter, if cable size is corresponding with the upper part of intermediate sleeve 3 largest diameter, the part under upper part will be cut, if the cable size part second largest with intermediate sleeve 3 diameter is corresponding, will cut the part under second largest part, the rest may be inferred; Be processed with ring slot in intermediate sleeve 3, like this, cable 6 interts in intermediate sleeve 3, is extruded by the elasticity of rubber, holds restoring force tightly between the ring slot of intermediate sleeve 3 internal diameter and the insulating barrier of cable 6, makes it the effect that interference fit reaches insulated enclosure; Meanwhile, also interference fit is made it and the effect reaching insulated enclosure by the restoring force of holding tightly of rubber between the ring slot in the vertical edge pipeline opening of intermediate sleeve 3 external diameter and fittings body cover 1.Cable 6 interts after intermediate sleeve 3, and its termination is inserted in the circular hole corresponding with vertical edge pipeline of fittings body 2, then is compressed by the line ball nut 4 in the circular hole corresponding with horizontal pipe of fittings body 2, and cable 6 is connected in fittings body 2.As can be seen from Fig. 1, waterproof cover 5 is also may be configured with in the horizontal sides pipeline opening of fittings body cover 1, waterproof cover 5 adopts ethylene propylene diene rubber to make, when needs this horizontal sides pipeline opening closed, waterproof cover 5 is filled in this pipeline opening, between the ring slot in waterproof cover 5 and pipeline opening, make it interference fit and the object reaching insulated enclosure waterproof by the restoring force that packs tightly of rubber.
See Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, low-voltage cable distribution box of the present invention, it comprises casing 7, and casing 7 is connected with drop front 9 by hinge 8, and drop front 9 is provided with handle door lock 10; Base plate in casing 7 is fixed with one block of trapezoidal flap 11, trapezoidal flap 11 is fixed with four row's low-voltage cable branch joints 12; The low-voltage cable branch joint that namely low-voltage cable branch joint 12 adopts the present embodiment above-mentioned.The dual-side of the base plate of casing 7 is provided with hanging feet 13, and the lower end side plate of casing 7 is provided with cable passing hole 14, and casing left and right sides plate is provided with air vent hole 15, and adds Anti-mosquito mesh.See Figure 14, Figure 15, chute established by trapezoidal flap 11, by chute and screw, low-voltage cable branch joint is installed on it, thus reach the object ensureing cable axial access zero stress.
Claims (5)
1. a low-voltage cable branch joint, it is characterized in that: it comprises fittings body cover, fittings body cover is a permutation and combination body having that some longitudinal sections are the pipeline of square, is all processed with ring slot in the vertical edge pipeline opening of each square pipeline and in horizontal sides pipeline opening; The right angle portions of each square pipeline is through by a fittings body; Described fittings body is a cuboid strip component, and its two adjacent surfaces is respectively processed with a circular hole, Liang Ge circular hole UNICOM relative to the vertical edge pipeline of each square pipeline and horizontal sides pipeline location, and the circular hole corresponding with horizontal pipe is processed with internal thread; Be provided with the intermediate sleeve with its internal diameter interference fit in the vertical edge pipeline opening of described fittings body cover, be processed with ring slot in intermediate sleeve, in intermediate sleeve, interference fit interts cable; Cable inserts in the circular hole corresponding with vertical edge pipeline of fittings body through its termination after intermediate sleeve, then by the line ball nut compression in the fittings body circular hole corresponding with horizontal pipe, makes cable be connected in fittings body; The waterproof cover with its internal diameter interference fit is configured with in the horizontal sides pipeline opening of described fittings body cover; Described fittings body adopts aluminium alloy 6061 to make, and described intermediate sleeve and waterproof cover adopt ethylene propylene diene rubber to make.
2. low-voltage cable branch joint according to claim 1, is characterized in that: from top to bottom in stairstepping from large to small, its internal diameter matches with the cable of different-diameter the diameter of described intermediate sleeve.
3. based on a low-voltage cable distribution box for low-voltage cable branch joint described in claim 1, it is characterized in that: it comprises casing, casing has been connected through the hinge drop front, and drop front is provided with handle door lock; Base plate in casing is fixed with one block of trapezoidal flap, trapezoidal flap is fixed with four row's low-voltage cable branch joints; The dual-side of described box bottom is provided with hanging feet, and casing lower end side plate is provided with cable passing hole, and casing left and right sides plate is provided with air vent hole, and adds Anti-mosquito mesh; Described trapezoidal flap is provided with chute, low-voltage cable branch joint is installed on it by chute and screw.
4. low-voltage cable distribution box according to claim 3, it is characterized in that: described low-voltage cable branch joint comprises fittings body cover, fittings body cover is a permutation and combination body having that some longitudinal sections are the pipeline of square, is all processed with ring slot in the vertical edge pipeline opening of each square pipeline and in horizontal sides pipeline opening; The right angle portions of each square pipeline is through by a fittings body; Described fittings body is a cuboid strip component, and its two adjacent surfaces is respectively processed with a circular hole, Liang Ge circular hole UNICOM relative to the vertical edge pipeline of each square pipeline and horizontal sides pipeline location, and the circular hole corresponding with horizontal pipe is processed with internal thread; Be provided with the intermediate sleeve with its internal diameter interference fit in the vertical edge pipeline opening of described fittings body cover, be processed with ring slot in intermediate sleeve, in intermediate sleeve, interference fit interts cable; Cable inserts in the circular hole corresponding with vertical edge pipeline of fittings body through its termination after intermediate sleeve, then by the line ball nut compression in the fittings body circular hole corresponding with horizontal pipe, makes cable be connected in fittings body; The waterproof cover with its internal diameter interference fit is configured with in the horizontal sides pipeline opening of described fittings body cover; Described fittings body adopts aluminium alloy 6061 to make, and described intermediate sleeve and waterproof cover adopt ethylene propylene diene rubber to make.
5. low-voltage cable distribution box according to claim 3, is characterized in that: described casing and drop front adopt corrosion resistant plate 201L to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592177.5A CN104332938B (en) | 2014-10-29 | 2014-10-29 | Low-voltage cable branching connector and low-voltage cable distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592177.5A CN104332938B (en) | 2014-10-29 | 2014-10-29 | Low-voltage cable branching connector and low-voltage cable distribution box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332938A true CN104332938A (en) | 2015-02-04 |
| CN104332938B CN104332938B (en) | 2017-02-15 |
Family
ID=52407617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410592177.5A Active CN104332938B (en) | 2014-10-29 | 2014-10-29 | Low-voltage cable branching connector and low-voltage cable distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332938B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901261A (en) * | 2015-06-30 | 2015-09-09 | 国家电网公司 | Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof |
| CN114709014A (en) * | 2022-03-25 | 2022-07-05 | 安徽埃克森科技集团有限公司 | Aerospace high-temperature-resistant signal cable |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840436Y (en) * | 2005-11-10 | 2006-11-22 | 福建中能电气有限公司 | Low-voltage cable multi-branch connector |
| CN2938518Y (en) * | 2006-04-30 | 2007-08-22 | 励国庆 | Cable branch joint |
| CN201004541Y (en) * | 2006-07-31 | 2008-01-09 | 徐进 | An explosion-proof wiring box |
| CN201038702Y (en) * | 2007-04-28 | 2008-03-19 | 江苏安靠超高压电缆附件有限公司 | Cable branch joint |
| CN201797290U (en) * | 2010-09-01 | 2011-04-13 | 温州电力局 | High-voltage power cable branch joint |
| CN201877774U (en) * | 2010-12-13 | 2011-06-22 | 长沙电缆附件有限公司 | Homodromous inlet-outlet branch joint for high voltage power cable |
| CN202363863U (en) * | 2011-11-30 | 2012-08-01 | 江苏安靠智能输电工程科技股份有限公司 | Dry type branch joint of cable |
| CN204144895U (en) * | 2014-10-29 | 2015-02-04 | 湖南昊晟机电设备有限公司 | Low-voltage cable branch joint and low-voltage cable distribution box |
-
2014
- 2014-10-29 CN CN201410592177.5A patent/CN104332938B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901261A (en) * | 2015-06-30 | 2015-09-09 | 国家电网公司 | Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof |
| CN114709014A (en) * | 2022-03-25 | 2022-07-05 | 安徽埃克森科技集团有限公司 | Aerospace high-temperature-resistant signal cable |
| CN114709014B (en) * | 2022-03-25 | 2023-11-07 | 安徽埃克森科技集团有限公司 | High-temperature-resistant signal cable for aerospace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332938B (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107528272A (en) | A kind of bus duct with protection cap structure | |
| CN104253400A (en) | Wind power busbar incoming and outgoing box | |
| CN202268551U (en) | Waterproof connector | |
| CN104332938B (en) | Low-voltage cable branching connector and low-voltage cable distribution box | |
| CN204144895U (en) | Low-voltage cable branch joint and low-voltage cable distribution box | |
| CN202512915U (en) | Insulation tube type bus with branches realized by middle connector | |
| CN104332790A (en) | Rapid connecting device | |
| CN105322305A (en) | Piercing connector | |
| RU2467437C1 (en) | Connection clamp for electric conductors | |
| CN106532452B (en) | A kind of insulating boot for power system | |
| CN107785837A (en) | A kind of easy-to-mount bus-duct connector | |
| CN203398357U (en) | Grounding device for 10kV cable branch box, ring main unit and ring main box | |
| CN203218848U (en) | Plug-in separable shielding connector | |
| CN202651393U (en) | Wiring terminal | |
| CN204835114U (en) | Electric wire connector | |
| CN204131050U (en) | Wind power bus line case | |
| CN208706997U (en) | The male plug of current output terminal on a kind of monopole line | |
| CN207339186U (en) | A kind of intelligence GIS busbares | |
| CN203911415U (en) | Compact-type high-protection anti-flaming bus duct and joint | |
| CN208316239U (en) | A kind of quick transfer box of 0.4kV | |
| CN202178095U (en) | Polyvinyl chloride insulated coaxial cable | |
| CN204230848U (en) | Protection against electric shock road lamp wiring box | |
| CN204421143U (en) | A kind of Far infrared carbon crystal ground-warming system | |
| CN203747326U (en) | Single-phase service conductor device on low-voltage line pole | |
| CN202871372U (en) | Anti-interference power supply connecting line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |