CN107465019A - A kind of self-locking power cable plug-in connector - Google Patents
A kind of self-locking power cable plug-in connector Download PDFInfo
- Publication number
- CN107465019A CN107465019A CN201610404172.4A CN201610404172A CN107465019A CN 107465019 A CN107465019 A CN 107465019A CN 201610404172 A CN201610404172 A CN 201610404172A CN 107465019 A CN107465019 A CN 107465019A
- Authority
- CN
- China
- Prior art keywords
- power cable
- self
- cable
- plug
- seal cover
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a kind of self-locking power cable plug-in connector, including insert holder and fixing seal cover, the intracavitary of described insert holder one end is provided with locating slot, the fixing seal cover is provided with fixing seal cover neck, power cable semi-conductive layer is arranged with the power cable conductor, the bottom of power cable conductor is arranged with power cable insulation layer, the bottom of power cable outer jacket is cased with cable accessory semi-conductive layer and cable accessory insulating barrier successively from inside to outside, the spring touch finger mounting groove that the upper end face of the matrix metal consent opens up, the convex plug-in unit is provided with conductie buffer groove and self-locking limit groove successively from top to bottom, the spring touch finger mounting groove is interference fitted with metal spring fingertip.The present invention, small volume, the connection performance for possessing auto-lock function plug, voltage endurance are good, main body need not increase other parts and medium just can be applied to underground transformer, hermetically sealed oil circuit breaker and SF6 electrical equipments by what ac voltage withstanding was tested.
Description
Technical field
The present invention relates to the technical field of electric equipment of power cable, specially a kind of self-locking power cable
Plug-in connector.
Background technology
Existing three-phase electrical cable connects with equipment such as underground type power transformer, oil-immersed load switchs
When, typically all using the combination of multi-part assembling, parts are more, and volume is big, and installation is safeguarded both numerous
It is miscellaneous and inconvenient.China Patent No. discloses a kind of " Covered transformer high pressure for 200420020971.4
Cable connector " and the patent No. 200610036340.5 disclose a kind of " three-phase power cable connector ",
Though the advantages of both its is provided with three-phase while plugged, though part is small various, while its electrification in high voltage
Part compressive resistance is low, it is necessary to which plastic insulation support is isolated, it is also necessary to which friendship could be passed through by irrigating dielectric
Flow pressure test；And two kinds of connectors are without spacing self-locking device and function, in real use
Workmen is difficult to hold whether in place its two kinds of connectors are mounted so as to connection, installation operation easily occurs
Error, certain economic loss is brought for equipment normal operation.
The content of the invention
It is an object of the invention to provide a kind of self-locking power cable plug-in connector, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical scheme：A kind of self-locking power cable plug
Connector, including insert holder and fixing seal cover, the intracavitary of described insert holder one end are provided with locating slot,
The fixing seal cover is provided with fixing seal cover neck, and the fixing seal cover neck is located in locating slot
And be flexibly connected with locating slot, the top in the fixing seal cover is fixed with position limiting sealed ring, the limit
The both ends of position sealing ring are arranged with power cable and electrical branch gloves, one end of the power cable respectively
Cover wall through fixing seal cover is placed in outside the housing of connector, the other end of the electrical branch gloves
The intracavitary of fixing seal cover is extended to, power cable conductor is provided with the electrical branch gloves, it is described
The top of power cable conductor is enclosed with power cable outer jacket, is arranged in the middle part of the power cable conductor
There is power cable semi-conductive layer, the bottom of the power cable conductor is arranged with power cable insulation layer, institute
The bottom for stating power cable outer jacket is cased with cable accessory semi-conductive layer and cable accessory is exhausted successively from inside to outside
Edge layer, the cable accessory semi-conductive layer and cable accessory insulating barrier are extended over to power cable insulation layer
Surface, the bottom in described insert holder one end is provided with the cable mounting hole of integrally formed cylindricality, institute
State and matrix metal consent is embedded with cable mounting hole, what the upper end face of the matrix metal consent opened up
Spring touch finger mounting groove, and the upper end cooperation of matrix metal consent is provided with convex plug-in unit, the convex is inserted
Part is provided with conductie buffer groove and self-locking limit groove successively from top to bottom, pre-buried in the spring touch finger mounting groove
There is metal spring fingertip, and spring touch finger mounting groove is interference fitted and is locked with metal spring fingertip,
The bottom of the matrix metal consent is provided with bolt.
Preferably, the junction of the fixing seal cover neck and locating slot is provided with sealing ring.
Preferably, four turnings of the insert holder are provided with socket fixing hole.
Preferably, the spring touch finger mounting groove is arcuate structure.
Preferably, the quantity of the cable mounting hole is N number of, and N >=1.
Preferably, the length of the cable mounting hole is M, and 120mm ＜ M ＜ 420mm.
Compared with prior art, the beneficial effects of the invention are as follows：This self-locking power cable plug-in connector,
Internal single or multiple cylindrical cable mounting holes, main body insulating part structure have once manufactured in mould inside
Into.Also it is not required to increase other parts or other Jie between each duct during the connector work of multiple duct modes
Matter carrys out reinforced insulation.The upper end for being embedded with matrix metal consent is combined with convex plug-in unit, matrix metal consent
Composition structural conductive dashpot that the matrix that internal major metal current-carrying part is similar to two inverted images merges and from
Lock stopper slot, the plug-in unit convex periphery of the power cable conductor upper end of convex at least two or with
On spring touch finger mounting groove and metal spring fingertip, matched somebody with somebody by the interference of pre-buried metal spring fingertip
Merging is locked, and the metal spring fingertip of prepackage is in a circle of spring type, is influenceed by the action of plug
The elastic fingertip open instinct of itself reaches locking dress in the deformation of effective spring touch finger mounting groove space telescopic
Put function；The contact point of metallic conductor and the metallic elastic fingertip in matrix metal consent on its plug-in unit
Wire can by largely fix current-carrying point connect electric current so that every bit contact to be formed it is independent
Elastic load；Contact and contact resistance and heat endurance are by calculating the grade distinguishings of different current-carrying capacities
A variety of female contacts refer to the size of arcuate groove and the limit number of turns and the specified number of turns of plug-in unit elasticity fingertip.
This connector is arranged on oil-immersed load switch or sulfur hexafluoride gas or epoxy resin solids insulation is opened
When on the housing of pass, the screw-rod structure below connector, submergence is fixed on insulating oil or epoxy resins insulation
Or in sulfur hexafluoride gas.Outside three phase mains can be handled by installing the shrinkage made or pyrocondensation
Power cable introduce this connector simultaneously plug-in, and be fixedly attached to from the other end of this connector
The inside of power equipment housing.For electrical equipments such as transformer or oil circuit breakers, there is provided one kind can pass through big electricity
The high a kind of self-locking power cable plug-in connector of stream, elastic self-locking structure function, small volume reliability.
Duct inwall length is more than the length that 120mm is less than 420, ensures climbing between conductor and semiconductor
Electrical distance, and pass through the inside configuration of each independent cylindricality duct one moulding by casting between each circuitry phase
Subregion work is carried out, distance causes the close multiphase electrical body creep age distance of original spacing to lengthen, so that
Obtain insulating part and be combined from external and internal compositionses and all possess higher anti-impact force and compressive resistance.Its appearance is in band
The cylindricality of flange and the protective cover of trumpet type, user can by the fixing seal neck to flange section,
Sealing ring and locating slot are compressed and fixed, and pass through the fixing hole outside its internal power cable and socket
It is bolted on the housing of power equipment, and the screw-rod structure of its lower end is immersed in dielectric, it is real
Now it is fixedly connected with transformer or high-tension switch gear.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged diagram at A of the present invention；
Fig. 3 is that fixing seal cover of the present invention coordinates schematic cross-sectional view with fixing seal cover neck；
Fig. 4 is sealing ring schematic diagram of the present invention；
Fig. 5 is insert holder of the present invention and fixing seal cover neck part cutting schematic diagram；
Fig. 6 is convex plug-in unit schematic diagram of the present invention；
Fig. 7 is matrix metal consent of the present invention and spring touch finger installation and bolt cooperation schematic diagram；
Fig. 8 is metal spring fingertip schematic diagram of the present invention.
In figure：It is 1 power cable, 2 position limiting sealed rings, 3 electrical branch gloves, 4 fixing seal covers, 5 close
Seal, 6 fixing seal cover necks, 7 insert holders, 8 socket fixing holes, 9 power cable outer jackets,
10 power cable semi-conductive layers, 11 cable accessory semi-conductive layers, 12 cable accessory insulating barriers, 13 electric power
Cable insulation, 14 power cable conductors, 15 convex plug-in units, 16 cable mounting holes, 17 spring touch fingers
Mounting groove, 18 metal spring fingertips, 19 matrix metal consents, 20 bolts, 21 locating slots, 22 conductions
Dashpot, 23 self-locking limit grooves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present invention, and
The embodiment being not all of.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Fig. 1-8 are referred to, the present invention provides a kind of technical scheme：A kind of self-locking power cable plug connection
Device, including insert holder 7 and fixing seal cover 4, the intracavitary of the one end of insert holder 7 are provided with locating slot 21,
Four turnings of insert holder 7 are provided with socket fixing hole 8, and fixing seal cover 4 is provided with fixing seal
Cover neck 6, fixing seal cover neck 6 is located in locating slot 21 and is flexibly connected with locating slot 21, fixed
The junction of seal closure neck 6 and locating slot 21 is provided with sealing ring 5, and the top in fixing seal cover 4 is consolidated
Determine limited location sealing ring 2, the both ends of position limiting sealed ring 2 are arranged with power cable 1 and electrical branch hand respectively
Set 3.
One end of power cable 1 is placed in outside the housing of connector through the cover wall of fixing seal cover 4, electricity
The other end of power branched bushing 3 extends to the intracavitary of fixing seal cover 4, is set on electrical branch gloves 3
There is power cable conductor 14, the top of power cable conductor 14 is enclosed with power cable outer jacket 9, electric power
The middle part of cable conductor 14 is arranged with power cable semi-conductive layer 10, the bottom set of power cable conductor 14
Provided with power cable insulation layer 13, it is attached that the bottom of power cable outer jacket 9 is cased with cable successively from inside to outside
Part semi-conductive layer 11 and cable accessory insulating barrier 12, cable accessory semi-conductive layer 11 and cable accessory insulation
Layer 12 is extended over to the surface of power cable insulation layer 13.
Bottom in the one end of insert holder 7 is provided with the cable mounting hole 16 of integrally formed cylindricality, cable peace
The quantity in hole 16 is filled to be N number of, and N >=1, the length of cable mounting hole 16 is M, and 120mm ＜ M ＜
420mm, matrix metal consent 19, the upper end table of matrix metal consent 19 are embedded with cable mounting hole 16
The spring touch finger mounting groove 17 that face opens up, spring touch finger mounting groove 17 is arcuate structure, and matrix metal is inserted
The upper end of seat 19, which coordinates, is provided with convex plug-in unit 15, and convex plug-in unit 15 is provided with conductive slow successively from top to bottom
Jet-bedding 22 and self-locking limit groove 23, metal spring fingertip 18 is embedded with spring touch finger mounting groove 17, and
Spring touch finger mounting groove 17 is interference fitted and is locked with metal spring fingertip 18, matrix metal consent
19 bottom is provided with bolt 20.
Internal single or multiple cylindrical cable mounting holes 16, main body insulating part structure in mould inside once
Manufacture is completed.Also be not required to increase between each duct during the connector work of multiple duct modes other parts or
Other media carry out reinforced insulation.The upper end for being embedded with matrix metal consent 19 is combined with convex plug-in unit 15, recessed
The composition structure that the matrix that the inside major metal current-carrying part of type metal consent 19 is similar to two inverted images merges is led
Electric dashpot 22 and self-locking limit groove 23, the plug-in unit convex cylinder of the upper end of power cable conductor 14 of convex
At least two or more spring touch finger mounting groove 17 in body surface face and metal spring fingertip 18, by pre-
The interference fit of the metal spring fingertip 18 buried is simultaneously locked, and the metal spring fingertip 18 of prepackage is in bullet
One circle of spring type, the open instinct that elastic fingertip itself is influenceed by the action of plug touch in effective spring
Refer to the deformation of the space telescopic of mounting groove 17 and reach locking device function；Metallic conductor and matrix on its plug-in unit
The contact point wire of metal spring fingertip 18 in metal consent 19 can be by largely fixing current-carrying
Point connects electric current so that every bit contacts to form independent elastic load；Contact and contact resistance
And heat endurance refers to the size of arcuate groove by a variety of female contacts of the grade distinguishing for calculating different current-carrying capacities
And the limit number of turns and the specified number of turns of plug-in unit elasticity fingertip.
This connector is arranged on oil-immersed load switch or sulfur hexafluoride gas or epoxy resin solids insulation is opened
When on the housing of pass, the structure of screw rod 20 below connector, submergence is fixed on insulating oil or epoxy resin is exhausted
In edge or sulfur hexafluoride gas.Outside three phase mains can be by installing at the shrinkage or pyrocondensation made
The power cable 1 of reason introduces this connector plug-in simultaneously, and fixes and connect from the other end of this connector
It is connected to the inside of power equipment housing.For electrical equipments such as transformer or oil circuit breakers, there is provided one kind can pass through
The high a kind of self-locking power cable plug of high current, elastic self-locking structure function, small volume reliability connects
Connect device.
The inwall length of cable mounting hole 16 is more than the length that 120mm is less than 420, ensures conductor and semiconductor
Between creep age distance, and pass through each independent cylindricality duct one moulding by casting between each circuitry phase
Inside configuration carries out subregion work, and distance causes the close multiphase electrical body creep age distance of original spacing to lengthen,
So that insulating part is combined from external and internal compositionses all possesses higher anti-impact force and compressive resistance.Outside it
Table can pass through the fixing seal to flange section in flanged (FLGD) cylindricality and the protective cover of trumpet type, user
Neck 6, sealing ring 5 and locating slot 21 are compressed and fixed, and are made outside its internal power cable 1 and socket
The fixing hole in portion is fixed on the housing of power equipment by bolt 20, and the structure of screw rod 20 of its lower end
It is immersed in dielectric, realizes and to be fixedly connected with transformer or high-tension switch gear.
Although an embodiment of the present invention has been shown and described, for one of ordinary skill in the art and
Speech, it is possible to understand that these embodiments can be carried out without departing from the principles and spirit of the present invention
A variety of change, modification, replacement and modification, the scope of the present invention are limited by appended claims and its equivalent
It is fixed.
Claims (6)
1. a kind of self-locking power cable plug-in connector, including insert holder (7) and fixing seal cover
(4), it is characterised in that：The intracavitary of described insert holder (7) one end is provided with locating slot (21), described
Fixing seal cover (4) is provided with fixing seal cover neck (6), fixing seal cover neck (6) position
It is flexibly connected in locating slot (21) and with locating slot (21), the top in the fixing seal cover (4)
Portion is fixed with position limiting sealed ring (2), and the both ends of the position limiting sealed ring (2) are arranged with power cable respectively
(1) and electrical branch gloves (3), one end of the power cable (1) pass through fixing seal cover (4)
Cover wall be placed in outside the housing of connector, the other end of the electrical branch gloves (3) extends to fixation
The intracavitary of seal closure (4), power cable conductor (14) is provided with the electrical branch gloves (3),
The top of the power cable conductor (14) is enclosed with power cable outer jacket (9), the power cable
Power cable semi-conductive layer (10), the power cable conductor (14) are arranged with the middle part of conductor (14)
Bottom be arranged with power cable insulation layer (13), the bottom of the power cable outer jacket (9) is by interior
To cable accessory semi-conductive layer (11) and cable accessory insulating barrier (12) is cased with successively outside, the cable is attached
Part semi-conductive layer (11) and cable accessory insulating barrier (12) are extended over to power cable insulation layer (13)
Surface, the bottom in described insert holder (7) one end is provided with the cable mounting hole of integrally formed cylindricality
(16) matrix metal consent (19), the matrix metal, are embedded with the cable mounting hole (16)
The spring touch finger mounting groove (17) that the upper end face of socket (19) opens up, and matrix metal consent (19)
Upper end coordinate convex plug-in unit (15) is installed, the convex plug-in unit (15) is provided with successively from top to bottom leads
Electric dashpot (22) and self-locking limit groove (23), the spring touch finger mounting groove (17) is interior to be embedded with gold
Belong to spring touch finger (18), and spring touch finger mounting groove (17) is interference fitted with metal spring fingertip (18)
And be locked, the bottom of the matrix metal consent (19) is provided with bolt (20).
A kind of 2. self-locking power cable plug-in connector according to claim 1, it is characterised in that：
The fixing seal cover neck (6) and the junction of locating slot (21) are provided with sealing ring (5).
A kind of 3. self-locking power cable plug-in connector according to claim 1, it is characterised in that：
Four turnings of the insert holder (7) are provided with socket fixing hole (8).
A kind of 4. self-locking power cable plug-in connector according to claim 1, it is characterised in that：
The spring touch finger mounting groove (17) is arcuate structure.
A kind of 5. self-locking power cable plug-in connector according to claim 1, it is characterised in that：
The quantity of the cable mounting hole (16) is N number of, and N >=1.
A kind of 6. self-locking power cable plug-in connector according to claim 1, it is characterised in that：
The length of the cable mounting hole (16) is M, and 120mm ＜ M ＜ 420mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404172.4A CN107465019B (en) | 2016-06-05 | 2016-06-05 | A kind of self-locking power cable plug-in connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404172.4A CN107465019B (en) | 2016-06-05 | 2016-06-05 | A kind of self-locking power cable plug-in connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107465019A true CN107465019A (en) | 2017-12-12 |
| CN107465019B CN107465019B (en) | 2019-03-26 |
Family
ID=60545194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404172.4A Active CN107465019B (en) | 2016-06-05 | 2016-06-05 | A kind of self-locking power cable plug-in connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107465019B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378617A (en) * | 2018-11-16 | 2019-02-22 | 上海晗普新材料科技有限公司 | A kind of novel solder ring connector |
| CN112310697A (en) * | 2020-10-28 | 2021-02-02 | 上海韵连电气科技有限公司 | Pole structure of high-low voltage connector |
| CN114784744A (en) * | 2021-01-21 | 2022-07-22 | 日立金属株式会社 | Insulating tube unit and power cable connection structure for railway vehicle |
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| CN102255188A (en) * | 2010-04-13 | 2011-11-23 | 日立电线株式会社 | Lever connector |
| CN102842810A (en) * | 2012-09-17 | 2012-12-26 | 泰兴市航联电连接器有限公司 | Round electric connector locked by steel ball |
| CN102946021A (en) * | 2012-11-13 | 2013-02-27 | 威海双丰电子集团有限公司 | Cable connecting device |
| CN205693039U (en) * | 2016-06-05 | 2016-11-16 | 河北哥伦普勒电气设备有限公司 | A kind of self-locking power cable plug-in connector |
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| US20030050680A1 (en) * | 2001-09-07 | 2003-03-13 | Gibson Scott R. | Electronic lead for a medical implant device, method of making same, and method and apparatus for inserting same |
| US20030194919A1 (en) * | 2002-04-16 | 2003-10-16 | Hsieh Shao C. | High current terminal blade type sealed connection system |
| CN101924309A (en) * | 2009-05-01 | 2010-12-22 | 约翰·梅扎林瓜联合有限公司 | The expanding contact of cable connector |
| CN102255188A (en) * | 2010-04-13 | 2011-11-23 | 日立电线株式会社 | Lever connector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378617A (en) * | 2018-11-16 | 2019-02-22 | 上海晗普新材料科技有限公司 | A kind of novel solder ring connector |
| CN109378617B (en) * | 2018-11-16 | 2024-04-30 | 苏州晗普新材料科技有限公司 | Soldering tin ring connector |
| CN112310697A (en) * | 2020-10-28 | 2021-02-02 | 上海韵连电气科技有限公司 | Pole structure of high-low voltage connector |
| CN114784744A (en) * | 2021-01-21 | 2022-07-22 | 日立金属株式会社 | Insulating tube unit and power cable connection structure for railway vehicle |
| CN114784744B (en) * | 2021-01-21 | 2023-12-12 | 株式会社博迈立铖 | Insulating tube unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107465019B (en) | 2019-03-26 |
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