CN104332938B - 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
- CN104332938B CN104332938B CN201410592177.5A CN201410592177A CN104332938B CN 104332938 B CN104332938 B CN 104332938B CN 201410592177 A CN201410592177 A CN 201410592177A CN 104332938 B CN104332938 B CN 104332938B
- Authority
- CN
- China
- Prior art keywords
- low
- voltage cable
- pipeline
- fittings body
- cable
- 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.)
- Active
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 is and in particular to a kind of low-voltage cable branch joint and low-voltage cable distribution box.
Background technology
With cable low-voltage network a large amount of uses, how cable run to realize sharing of load, is increasingly subject to people
Attention.Cable run will realize sharing of load, will necessarily be related to insulation breakdown and conductor couples the problem of two aspects.Why
Sample ensures the good contact of joint location conductor and insulation recovery, is that low-voltage cable lines branch is successfully crucial.Solved in the past
The traditional product of cable run branch is to hole using on exposed bronze medal, is bolted to realize electricity into and out of line cable
The sharing of load on cable road.This cable run branching method often has that contact is poor, the not strong potential safety hazard of insulating properties,
When accessing copper, aluminum, alloy cable, need to be processed using copper aluminum wire clamp or copper-aluminium transition nose, trouble, high expensive are installed.
The low-voltage cable branch joint of the present invention is specific to the product of the sharing of load problem research and development of cable run, its
Maximum feature is can quickly to set up good electric connection and fast quick-recovery cable insulation.The low-voltage cable separated time of the present invention
Joint has preferably processed the good contact of joint location conductor and this two problems of insulation recovery, has filled up domestic such product
Blank, possess wide market prospect.
Content of the invention
An object of the present invention is the needs according to power generation scene, provides one kind being capable of safe and efficient reality
The low-voltage cable branch joint of existing sharing of load.
The above-mentioned purpose of the present invention to be realized by the following technical solutions：This low-voltage cable branch joint, it wraps
Include fittings body cover, fittings body cover is a permutation and combination body with the pipeline that some longitudinal sections are square, each square
All it is machined with ring slot in the vertical edge pipeline opening of pipeline and in horizontal sides pipeline opening；The right angle portions of each square pipeline
By a fittings body insertion；Described fittings body is a cuboid strip component, and its two adjacent surfaces is with respect to each square pipe
The vertical edge pipeline in road and horizontal sides pipeline location are respectively machined with a circular hole, and Liang Ge circular hole UNICOM is corresponding with horizontal pipe
Circular hole be machined with female thread；It is provided with the intermediate sleeve with its internal diameter interference fit in the vertical edge pipeline opening of described fittings body cover,
It is machined with ring slot, in intermediate sleeve, interference fit interts cable in intermediate sleeve；Its termination insertion after cable passes through intermediate sleeve connects
In the circular hole corresponding with vertical edge pipeline of head body, then by the line ball spiral shell in the fittings body circular hole corresponding with horizontal pipe
Female compression, makes cable connection in joint body；It is configured with the horizontal sides pipeline opening of described fittings body cover and join with its internal diameter interference
The waterproof cover closing；Described fittings body is made using aluminium alloy 6061, and described intermediate sleeve and waterproof cover adopt ethylene propylene diene rubber system
Become.
Specifically, the diameter of described intermediate sleeve is stepped from large to small from top to bottom, the electricity of its internal diameter and different-diameter
Cable matches.
The second object of the present invention is to provide the low-voltage cable distribution box based on above-mentioned low-voltage cable branch joint.
The above-mentioned purpose of the present invention to be realized by the following technical solutions：This low-voltage cable distribution box, it includes
Casing, casing is connected through the hinge and has drop front, and drop front is provided with handle door lock；It is fixed with base plate in casing
One block of trapezoidal flap, trapezoidal flap is fixed with four row's low-voltage cable branch joints；Two sides of described box bottom are provided with
Hanging feet, casing lower end side plate is provided with cable passing hole, and casing left and right sides plate is provided with passage, and adds Anti-mosquito mesh；Institute
State trapezoidal flap and be provided with chute, by chute and screw, low-voltage cable branch joint is installed on it.
Specifically, described low-voltage cable branch joint includes fittings body cover, and fittings body cover is one and has some longitudinal sections
For the permutation and combination body of the pipeline of square, all add in the vertical edge pipeline opening of each square pipeline and in horizontal sides pipeline opening
Work has ring slot；The right angle portions of each square pipeline pass through a fittings body insertion；Described fittings body is a cuboid
Strip component, its two adjacent surfaces is respectively machined with one with respect to the vertical edge pipeline of each square pipeline and horizontal sides pipeline location
Individual circular hole, Liang Ge circular hole UNICOM, the circular hole corresponding with horizontal pipe is machined with female thread；The vertical edge pipe of described fittings body cover
It is provided with the intermediate sleeve with its internal diameter interference fit in road junction, be machined with ring slot in intermediate sleeve, in intermediate sleeve, interference fit is worn
Plug-in cable；After cable passes through intermediate sleeve, its termination is inserted in the circular hole corresponding with vertical edge pipeline of fittings body, then by connecing
Line ball nut compression in the head body circular hole corresponding with horizontal pipe, makes cable connection in joint body；Described fittings body cover
Horizontal sides pipeline opening in be configured with waterproof cover with its internal diameter interference fit；Described fittings body is made using aluminium alloy 6061,
Described intermediate sleeve and waterproof cover are made using ethylene propylene diene rubber.
Specifically, described casing and drop front are made using corrosion resistant plate 201L.
The low-voltage cable branch joint of the present invention and low-voltage cable distribution box are compared with traditional branch joint and distribution box
There is advantages below：
(1) novel insulating Design ensures quick insulation recovery.Low-voltage cable branch joint employs propyl group plastic cement
Insulant is it is ensured that the insulating properties of product, ageing resistace and excellent mechanical performance.By stepped designs, utilize
The restoring force of material holds cable insulation tightly, rapid recover insulation, pressure reach 3800V/min.Totally-enclosed insulation, can powered touch
Touch, improve device security to greatest extent, with respect to the exposed bus of former distribution box, done insulation processing,
The ensuring personal safety of limits.Construction finishes re-closed installing hole, that is, beyond the Great Wall after waterproof cover, protection of cable branch joint etc.
Level reaches IP68, it is possible to achieve run under water.
(2) novel cable interconnection technique ensures that junction contacts are good, and copper/aluminum adapts to, without compression bonded line nose.Bus adopts
Aluminium alloy and passivation of metal surfaces treatment technology, are ensureing, outside excellent electric conductivity, to inhibit the electricity of copper, aluminum to greatest extent
Chemical reaction is it is not necessary to can access copper, aluminum, alloy cable using copper-aluminum transition terminal.Traditional distribution box can only use copper aluminum
Wire clamp or copper-aluminium transition nose are processing.Using bolt crimp technology and fittings body large contact surface conductive channel it is ensured that various electricity
Cable contact resistance be not more than 500 μ Ω it is ensured that conductive cable contacts good it is not necessary to compression bonded line nose.Reduce installation cost and work
Intensity, improves installation effectiveness.Decrease the trouble such as the buying of wiring nose, stock of various models.
(3) distribution box employs trapezoidal flap and installs, and substantially reduces distribution box volume.Compact dimensioning, only tradition
/ 3rd about of small product size.Can meet to installation environments such as the harsh cable shaft of dimensional requirement, corridors.
(4) branch joint module employs slide rail and installs.Ensure that cable axially accesses zero stress.The cable that is in operation is subject to
Heat axially can produce thermal stress in cable, because install using slide rail can eliminate axial thermal stress it is ensured that joint contact is good
Good.Cable distribution box of the present invention may insure 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, satisfaction tourist district,
Down town, high-grade villa area etc. are run to the region underground taken up an area and outward appearance has higher requirements.
Brief description
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 top view of Fig. 3.
Fig. 5 is the A-A sectional view of Fig. 3.
Fig. 6 is the cross section view of Fig. 1 center tap body.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is the A-A sectional 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 that Fig. 9 removes schematic diagram during drop front.
Figure 13 is the left view within Fig. 9.
Figure 14 is the enlarged drawing at I in Figure 13.
Figure 15 is K direction view in Figure 13.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, Fig. 2, the low-voltage cable branch joint of the present invention includes fittings body cover 1, fittings body 2, intermediate sleeve 3, pressure
Line nut 4, waterproof cover 5,6 are cables.In conjunction with Fig. 3, Fig. 4, Fig. 5, fittings body cover 1 is one and has six longitudinal sections for square
Pipeline permutation and combination body, in the vertical edge pipeline opening of each square pipeline of fittings body cover 1 and in horizontal sides pipeline opening all
It is machined with ring slot；The right angle portions of each square pipeline pass through fittings body 2 insertion.In conjunction with Fig. 6, Fig. 7, Fig. 8, fittings body
2 is a cuboid strip component, and fittings body 2 is made using aluminium alloy 6061；Fittings body 2 two adjacent surfaces are with respect to each right angle
The vertical edge pipeline of shape pipeline and horizontal sides pipeline location are respectively machined with a circular hole, Liang Ge circular hole UNICOM, it can be seen that with
The corresponding circular hole of horizontal pipe is machined with female thread.From Fig. 1, Fig. 2, set in the vertical edge pipeline opening of fittings body cover 1
There is the intermediate sleeve 3 with its internal diameter interference fit；Intermediate sleeve 3 is made using ethylene propylene diene rubber, and the diameter of intermediate sleeve 3 is from top to bottom
It is stepped from large to small, its internal diameter is matched with the cable of different-diameter, if cable size and intermediate sleeve 3 diameter maximum
Upper partly correspond to it is necessary to the part under cutting that top divides, if partly right second largest with intermediate sleeve 3 diameter of cable size
Should be it is necessary to cut the part under the second major part, the rest may be inferred；It is machined with ring slot, so, cable 6 is worn in intermediate sleeve 3
In insertion intermediate sleeve 3, by the elasticity extruding of rubber, embracing between the ring slot of intermediate sleeve 3 internal diameter and the insulating barrier of cable 6
Tight restoring force, is allowed to the effect that interference fit reaches insulated enclosure；Meanwhile, the vertical edge pipe of intermediate sleeve 3 external diameter and fittings body cover 1
Between ring slot in road junction, the restoring force of holding tightly also by rubber is allowed to interference fit and reaches the effect of insulated enclosure.Electricity
After cable 6 interts intermediate sleeve 3, its termination is inserted in the circular hole corresponding with vertical edge pipeline of fittings body 2, then passes through fittings body
Line ball nut 4 in 2 circular hole corresponding with horizontal pipe compresses, and so that cable 6 is connected in fittings body 2.Can from Fig. 1
See, may also be configured with waterproof cover 5 in the horizontal sides pipeline opening of fittings body cover 1, waterproof cover 5 is made using ethylene propylene diene rubber, when
When needing to close this horizontal sides pipeline opening, waterproof cover 5 is filled in this pipeline opening, the ring slot in waterproof cover 5 and pipeline opening
Between the purpose that restoring force is allowed to interference fit and reaches insulated enclosure waterproof packed tightly by rubber.
Referring to Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, the low-voltage cable distribution box of the present invention, it includes casing 7, casing 7
Above drop front 9 is connected with by hinge 8, drop front 9 is provided with handle door lock 10；It is fixed with one on base plate in casing 7
The trapezoidal flap of block 11, trapezoidal flap 11 is fixed with four row's low-voltage cable branch joints 12；Low-voltage cable branch joint 12 is adopted
With the above-mentioned low-voltage cable branch joint of the present embodiment.Two sides of the base plate of casing 7 are provided with hanging feet 13, the lower end of casing 7
Side plate is provided with cable passing hole 14, and casing left and right sides plate is provided with passage 15, and adds Anti-mosquito mesh.Referring to Figure 14, figure
15, trapezoidal flap 11 sets chute, by chute and screw, low-voltage cable branch joint is installed on it, thus reaching guarantee electricity
Cable axially accesses the purpose of zero stress.
Claims (2)
1. a kind of low-voltage cable distribution box based on low-voltage cable branch joint, described low-voltage cable branch joint, it includes connecing
Head body cover, fittings body cover is a permutation and combination body with the pipeline that some longitudinal sections are square, each square pipeline
Vertical edge pipeline opening in and horizontal sides pipeline opening in be all machined with ring slot；The right angle portions of each square pipeline pass through
One fittings body insertion；Described fittings body is a cuboid strip component, and its two adjacent surfaces is with respect to each square pipeline
Vertical edge pipeline and horizontal sides pipeline location are respectively machined with a circular hole, Liang Ge circular hole UNICOM, the circle corresponding with horizontal pipe
Hole machined has female thread；It is provided with the intermediate sleeve with its internal diameter interference fit in the vertical edge pipeline opening of described fittings body cover, middle
It is machined with ring slot, in intermediate sleeve, interference fit interts cable in set；Cable passes through insertion fittings body in its termination after intermediate sleeve
The circular hole corresponding with vertical edge pipeline in, then by the line ball nut pressure in the fittings body circular hole corresponding with horizontal pipe
Tightly, make cable connection in joint body；It is configured with and its internal diameter interference fit in the horizontal sides pipeline opening of described fittings body cover
Waterproof cover；Described fittings body is made using aluminium alloy 6061, and described intermediate sleeve and waterproof cover are made using ethylene propylene diene rubber；Institute
The diameter stating intermediate sleeve is stepped from large to small from top to bottom, and its internal diameter is matched with the cable of different-diameter；Its feature exists
In：
It includes casing, and casing is connected through the hinge drop front, and drop front is provided with handle door lock；Bottom in casing
One block of trapezoidal flap is fixed with plate, trapezoidal flap is fixed with four row's low-voltage cable branch joints；The two of described box bottom
Side 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 passage, and adds
Anti-mosquito mesh；Described trapezoidal flap is provided with chute, by chute and screw, low-voltage cable branch joint is installed on it.
2. according to claim 1 the low-voltage cable distribution box based on low-voltage cable branch joint it is characterised in that：Described case
Body and drop front are made using corrosion resistant plate 201L.
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 CN104332938A (en) | 2015-02-04 |
| CN104332938B true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901261B (en) * | 2015-06-30 | 2017-04-12 | 国家电网公司 | Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof |
| 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 |
Citations (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
Patent Citations (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332938A (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107528272A (en) | A kind of bus duct with protection cap structure | |
| CN104332938B (en) | Low-voltage cable branching connector and low-voltage cable distribution box | |
| CN103268991A (en) | Grounding device for 10kv cable branch box, ring main unit and ring main box | |
| CN202268551U (en) | Waterproof connector | |
| CN203522110U (en) | 110kV and above high-voltage crossing interconnection grounding case | |
| CN204144895U (en) | Low-voltage cable branch joint and low-voltage cable distribution box | |
| CN104332790A (en) | Rapid connecting device | |
| CN203352125U (en) | Flexible fireproof cable pre-branched coupler | |
| CN202512915U (en) | Insulation tube type bus with branches realized by middle connector | |
| CN102176585A (en) | Electric connector assembly | |
| CN106532452B (en) | A kind of insulating boot for power system | |
| CN206490238U (en) | A kind of high security electronic connector of sealing property | |
| CN202651393U (en) | Wiring terminal | |
| CN104037715A (en) | Cutting-off-free rapid splitter and achieving method | |
| CN204243409U (en) | Rapid wiring device | |
| CN204156205U (en) | Water-proof wire bundle | |
| CN201797053U (en) | Grounding connector structure of aluminium pipe | |
| CN206148638U (en) | Insulating, sealed cable connector | |
| CN203747326U (en) | Single-phase service conductor device on low-voltage line pole | |
| CN202997066U (en) | Electrical junction box | |
| CN204421143U (en) | A kind of Far infrared carbon crystal ground-warming system | |
| CN203747353U (en) | Three-phase four-wire system service main fixture on low-voltage line pole | |
| CN204538640U (en) | A kind of cable joint | |
| CN203883138U (en) | Profiled insulated puncturing wire clamp | |
| CN103825230A (en) | Single-phase service mains device on low-voltage line pole |
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 |