CN107465019B - 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
- CN107465019B CN107465019B CN201610404172.4A CN201610404172A CN107465019B CN 107465019 B CN107465019 B CN 107465019B CN 201610404172 A CN201610404172 A CN 201610404172A CN 107465019 B CN107465019 B CN 107465019B
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- CN
- China
- Prior art keywords
- power cable
- fixing seal
- cable
- self
- 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.)
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Classifications
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- 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 connectors, including insert holder and fixing seal cover, the intracavitary of insert holder one end is provided with locating slot, the fixing seal cover is equipped with fixing seal cover card slot, power cable semi-conductive layer is arranged on 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 successively cased with cable accessory semi-conductive layer and cable accessory insulating layer from inside to outside, the spring touch finger mounting groove that the upper end face of the concave metal consent opens up, the convex plug-in unit successively opens conductie buffer slot and self-locking limit slot from top to bottom, the spring touch finger mounting groove and metal spring fingertip are interference fitted.The present invention, connection performance, voltage endurance small in size, to have self-locking function plug is good, main body does not need to increase other components and medium can be by ac voltage withstanding test suitable for underground transformer, hermetically sealed oil circuit breaker and SF6 electrical equipment.
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 connection
Device.
Background technique
When existing three-phase electrical cable is connected with equipment such as underground type power transformer, oil-immersed load switchs, generally
All using the combination of multi-part assembly, components are more, and volume is big, and installation maintenance was not only many and diverse but also inconvenient.China Patent No.
A kind of " high-voltage cable connector for underground transformer " and the patent No. 200610036340.5 are disclosed for 200420020971.4
A kind of " three-phase power cable connector " is disclosed, though the advantages of the two is provided with three-phase while plugging, though component is small
It is various, while its electrification in high voltage part compressive resistance is low, needs plastic insulation bracket to be isolated, it is also necessary to dielectric ability be perfused
It is tested by ac voltage withstanding；And the self-locking device that does not limit of two kinds of connectors and function, the constructor in real use
Member is difficult to hold whether in place its two kinds of connectors are mounted so as to connection, is easy to appear the error of installation operation, normally transports for equipment
Battalion brings certain economic loss.
Summary of the invention
The purpose of the present invention is to provide a kind of self-locking power cable plug-in connectors, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of self-locking power cable plug-in connector, packet
Insert holder and fixing seal cover are included, the intracavitary of described insert holder one end is provided with locating slot, and the fixing seal cover is equipped with
Fixing seal cover card slot, the fixing seal cover card slot are located in locating slot and are flexibly connected with locating slot, the fixing seal
Top in cover is fixed with position limiting sealed ring, and the both ends of the position limiting sealed ring are arranged with power cable and electrical branch hand respectively
Set, the cover wall that one end of the power cable passes through fixing seal cover are placed in outside the shell of connector, the electrical branch hand
The other end of set extends to the intracavitary of fixing seal cover, and power cable conductor, the electricity are provided on the electrical branch gloves
The top of power cable conductor is enclosed with power cable outer jacket, is arranged with power cable in the middle part of the power cable conductor and partly leads
Electric layer, the bottom of the power cable conductor are arranged with power cable insulation layer, and the bottom of the power cable outer jacket is by interior
To cable accessory semi-conductive layer and cable accessory insulating layer is successively cased with outside, the cable accessory semi-conductive layer and cable accessory are exhausted
Edge layer is extended over to the surface of power cable insulation layer, and the bottom in described insert holder one end is equipped with integrally formed cylindricality
Cable mounting hole, be embedded with concave metal consent in the cable mounting hole, the upper end face of the concave metal consent is opened
If spring touch finger mounting groove, and the upper end of concave metal consent is fitted with convex plug-in unit, and the convex plug-in unit is arrived from above
Under successively open conductie buffer slot and self-locking limit slot, metal spring fingertip, and bullet are embedded in the spring touch finger mounting groove
Spring fingertip mounting groove is interference fitted and is locked with metal spring fingertip, and the bottom of the concave metal consent is equipped with bolt.
Preferably, the junction of the fixing seal cover card slot and locating slot is equipped with sealing ring.
Preferably, four turnings of the insert holder are provided with socket fixation 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 present invention are: this self-locking power cable plug-in connector, internal list
A or multiple cylindrical cable mounting holes, main body insulating part structure once manufacture completion in mould inside.The company of multiple duct modes
It is also not required to increase other components between each duct when connecing device work or other media carrys out reinforced insulation.It is embedded with concave metal consent
Upper end be combined with convex plug-in unit, what the concave that major metal current-carrying part is similar to two inverted images inside concave metal consent merged
Composed structure conductie buffer slot and self-locking limit slot, the plug-in unit convex periphery of the power cable conductor upper end of convex is at least
There are two or above spring touch finger mounting groove and metal spring fingertip, pass through the interference fit of pre-buried metal spring fingertip
And be locked, the metal spring fingertip of prepackage is in a circle of spring type, influences elastic fingertip itself by the movement of plug
Open instinct reaches locking device function in the deformation of effective spring touch finger mounting groove space telescopic；Metallic conduction on its plug-in unit
The contact point wire of metallic elastic fingertip on body and concave metal consent can make electric current by largely fixing current-carrying point
Connection, so that each point contact forms independent elastic load；Contact pressure and contact resistance and thermal stability are by calculating not
Refer to the size and the limit circle number of plug-in unit elasticity fingertip and specified of arcuate groove with a variety of female contacts of grade distinction of current-carrying capacity
Enclose number.
This connector is mounted on the shell of oil-immersed load switch or sulfur hexafluoride gas or epoxy resin solids insulated switch
When on body, screw-rod structure below connector, submergence is fixed in insulating oil or epoxy resins insulation or sulfur hexafluoride gas.Outside
The three phase mains in portion can introduce this company to plug-in simultaneously by installing the power cable of the shrinkage made or pyrocondensation processing
Device is connect, and is fixedly attached to the inside of power equipment shell from the other end of this connector.It is electrical for transformer or oil circuit breaker etc.
Equipment provides a kind of a kind of self-locking power cable that can pass through high current, elastic self-locking structure function, high reliablity small in size
Plug-in connector.
Duct inner wall length is greater than length of the 120mm less than 420, guarantees the creepage distance between conductor and semiconductor, and
Subregion work is carried out by the inside configuration of each independent cylindricality duct one moulding by casting between each circuitry phase, distance makes
The close multiphase electrical body creepage distance of original spacing lengthens so that insulating part combined all from external and internal compositions have it is higher
Anti-impact force and compressive resistance.For its appearance in flanged (FLGD) cylindricality and the shield of trumpet type, user can be by flange
Partial fixing seal card slot, sealing ring and locating slot is compressed and is fixed, consolidating outside the power cable and socket for keeping it internal
Determine hole to be bolted on the shell of power equipment, and the screw-rod structure of its lower end is immersed in dielectric, realize and
Transformer or high-tension switch gear are fixedly connected.
Detailed description of the invention
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 and fixing seal cover card slot cooperate schematic cross-sectional view；
Fig. 4 is sealing ring schematic diagram of the present invention；
Fig. 5 is insert holder of the present invention and fixing seal cover card slot part cutting schematic diagram；
Fig. 6 is convex plug-in unit schematic diagram of the present invention；
Fig. 7 is concave metal consent of the present invention and spring touch finger is installed and bolt cooperates schematic diagram；
Fig. 8 is metal spring fingertip schematic diagram of the present invention.
In figure: 1 power cable, 2 position limiting sealed rings, 3 electrical branch gloves, 4 fixing seal covers, 5 sealing rings, 6 fixations are close
Sealing cover card slot, 7 insert holders, 8 socket fixation holes, 9 power cable outer jackets, 10 power cable semi-conductive layers, 11 cable accessories
Semi-conductive layer, 12 cable accessory insulating layers, 13 power cable insulation layers, 14 power cable conductors, 15 convex plug-in units, 16 cables peace
Dress hole, 17 spring touch finger mounting grooves, 18 metal spring fingertips, 19 concave metal consents, 20 bolts, 21 locating slots, 22 conductions are slow
Jet-bedding, 23 self-locking limit slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-8 is please referred to, the present invention provides a kind of technical solution: a kind of self-locking power cable plug-in connector, including
Insert holder 7 and fixing seal cover 4, the intracavitary of 7 one end of insert holder are provided with locating slot 21, and four turnings of insert holder 7 are equal
It is provided with socket fixation hole 8, fixing seal cover 4 is equipped with fixing seal cover card slot 6, and fixing seal cover card slot 6 is located at locating slot
It is flexibly connected in 21 and with locating slot 21, the junction of fixing seal cover card slot 6 and locating slot 21 is equipped with sealing ring 5, and fixation is close
Top in sealing cover 4 is fixed with position limiting sealed ring 2, and the both ends of position limiting sealed ring 2 are arranged with power cable 1 and electrical branch respectively
Gloves 3.
The cover wall that one end of power cable 1 passes through fixing seal cover 4 is placed in outside the shell of connector, electrical branch gloves
3 other end extends to the intracavitary of fixing seal cover 4, and power cable conductor 14, power cable are provided on electrical branch gloves 3
The top of conductor 14 is enclosed with power cable outer jacket 9, and the middle part of power cable conductor 14 is arranged with power cable semi-conductive layer
10, the bottom of power cable conductor 14 is arranged with power cable insulation layer 13, the bottom of power cable outer jacket 9 from inside to outside according to
It is secondary to be cased with cable accessory semi-conductive layer 11 and cable accessory insulating layer 12, cable accessory semi-conductive layer 11 and cable accessory insulating layer
12 extend over to the surface of power cable insulation layer 13.
Bottom in 7 one end of insert holder is equipped with integrally formed cylindrical cable mounting hole 16, cable mounting hole 16
Quantity is N number of, and N >=1, and the length of cable mounting hole 16 is M, and 120mm < M < 420mm, is embedded in cable mounting hole 16
Concave metal consent 19, the spring touch finger mounting groove 17 that the upper end face of concave metal consent 19 opens up, spring touch finger mounting groove
17 be arcuate structure, and the upper end of concave metal consent 19 is fitted with convex plug-in unit 15, convex plug-in unit 15 from top to bottom according to
It is secondary to be provided with conductie buffer slot 22 and self-locking limit slot 23, metal spring fingertip 18, and bullet are embedded in spring touch finger mounting groove 17
Spring fingertip mounting groove 17 is interference fitted and is locked with metal spring fingertip 18, and the bottom of concave metal consent 19 is equipped with bolt
20。
Internal single or multiple cylindrical cable mounting holes 16, main body insulating part structure have once been manufactured in mould inside
At.It is also not required to increase other components or other media to enhance absolutely between each duct when the connector work of multiple duct modes
Edge.The upper end for being embedded with concave metal consent 19 is combined with convex plug-in unit 15, and 19 inside major metal of concave metal consent is conductive
Part is similar to the composed structure conductie buffer slot 22 and self-locking limit slot 23 that the concave of two inverted images merges, the power cable of convex
The plug-in unit convex periphery of 14 upper end of conductor at least two or more spring touch finger mounting groove 17 and metal spring
Fingertip 18 passes through the interference fit of pre-buried metal spring fingertip 18 and is locked, and the metal spring fingertip 18 of prepackage is in bullet
One circle of spring type, the open instinct for influencing elastic fingertip itself by the movement of plug are empty in effective spring touch finger mounting groove 17
Between dilatation reach locking device function；The metal spring on metallic conductor and concave metal consent 19 on its plug-in unit touches
Refer to 18 contact point wire can by largely fix current-carrying point so that electric current is connected to so that each point contact formed it is independent
Elastic load；The a variety of female contacts of grade distinction that contact pressure and contact resistance and thermal stability pass through the different current-carrying capacities of calculating
Refer to the size of arcuate groove and the limit circle number and volume fixing turn of plug-in unit elasticity fingertip.
This connector is mounted on the shell of oil-immersed load switch or sulfur hexafluoride gas or epoxy resin solids insulated switch
When on body, 20 structure of screw rod below connector, submergence is fixed in insulating oil or epoxy resins insulation or sulfur hexafluoride gas.
External three phase mains can introduce to plug-in this by installing the power cable 1 of the shrinkage made or pyrocondensation processing simultaneously
Connector, and the inside of power equipment shell is fixedly attached to from the other end of this connector.For electricity such as transformer or oil circuit breakers
Gas equipment provides a kind of a kind of self-locking electric power electricity that can pass through high current, elastic self-locking structure function, high reliablity small in size
Cable plug-in connector.
16 inner wall length of cable mounting hole is greater than length of the 120mm less than 420, guarantees to climb electricity between conductor and semiconductor
Distance, and subregion work is carried out by the inside configuration of each independent cylindricality duct one moulding by casting between each circuitry phase,
The multiphase electrical body creepage distance that distance makes original spacing close lengthens, so that insulating part combines all from external and internal compositions
Have higher anti-impact force and compressive resistance.Its appearance can lead in flanged (FLGD) cylindricality and the shield of trumpet type, user
It crosses and the fixing seal card slot 6, sealing ring 5 and locating slot 21 of flange section is compressed and fixed, 1 He of power cable for keeping it internal
Fixation hole outside socket is fixed on the shell of power equipment by bolt 20, and 20 structure of screw rod of its lower end is immersed in absolutely
In edge medium, realizes and to be fixedly connected with transformer or high-tension switch gear.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
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 insert holder (7) one end is provided with locating slot (21), and the fixing seal cover (4) is equipped with fixing seal cover card slot
(6), the fixing seal cover card slot (6) is located in locating slot (21) and is flexibly connected with locating slot (21), the fixing seal
Top in cover (4) is fixed with position limiting sealed ring (2), and the both ends of the position limiting sealed ring (2) are arranged with power cable (1) respectively
With electrical branch gloves (3), the cover wall that one end of the power cable (1) passes through fixing seal cover (4) is placed in connector
Outside shell, the other end of the electrical branch gloves (3) extends to the intracavitary of fixing seal cover (4), the electrical branch gloves
(3) it is provided on power cable conductor (14), the top of the power cable conductor (14) is enclosed with power cable outer jacket
(9), it is arranged with power cable semi-conductive layer (10) in the middle part of the power cable conductor (14), the power cable conductor (14)
Bottom be arranged with power cable insulation layer (13), the bottom of the power cable outer jacket (9) is successively cased with electricity from inside to outside
Cable fittings semi-conductive layer (11) and cable accessory insulating layer (12), the cable accessory semi-conductive layer (11) and cable accessory insulation
Layer (12) is extended over to the surface of power cable insulation layer (13), and the bottom in insert holder (7) other end is equipped with one
Body formed cylindrical cable mounting hole (16), the cable mounting hole (16) is interior to be embedded with concave metal consent (19), described
The spring touch finger mounting groove (17) that the upper end face of concave metal consent (19) opens up, and the upper end of concave metal consent (19) is matched
Conjunction is equipped with convex plug-in unit (15), and the convex plug-in unit (15) successively opens conductie buffer slot (22) and self-locking limit from top to bottom
Slot (23) is embedded with metal spring fingertip (18) in the spring touch finger mounting groove (17), and spring touch finger mounting groove (17) with
Metal spring fingertip (18) is interference fitted and is locked, and the bottom of the concave metal consent (19) is equipped with bolt (20),
In, the junction of the fixing seal cover card slot (6) and locating slot (21) is equipped with sealing ring (5), the spring touch finger mounting groove
It (17) is arcuate structure.
2. a kind of self-locking power cable plug-in connector according to claim 1, it is characterised in that: the insert holder
(7) four turnings are provided with socket fixation hole (8).
3. a kind of self-locking power cable plug-in connector according to claim 1, it is characterised in that: the cable installation
The quantity in hole (16) is N number of, and N >=1.
4. a kind of self-locking power cable plug-in connector according to claim 1, it is characterised in that: the cable installation
The length in 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 CN107465019A (en) | 2017-12-12 |
| CN107465019B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112310697B (en) * | 2020-10-28 | 2022-02-08 | 上海韵连电气科技有限公司 | Pole structure of high-low voltage connector |
| EP4033502A1 (en) * | 2021-01-21 | 2022-07-27 | Hitachi Metals, Ltd. | Bushing unit and power cable connection structure for a railway vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6671554B2 (en) * | 2001-09-07 | 2003-12-30 | Medtronic Minimed, Inc. | Electronic lead for a medical implant device, method of making same, and method and apparatus for inserting same |
| US6692316B2 (en) * | 2002-04-16 | 2004-02-17 | Delphi Technologies, Inc. | High current terminal blade type sealed connection system |
| US8172593B2 (en) * | 2006-12-08 | 2012-05-08 | John Mezzalingua Associates, Inc. | Cable connector expanding contact |
| JP4947181B2 (en) * | 2010-04-13 | 2012-06-06 | 日立電線株式会社 | Lever type 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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2016
- 2016-06-05 CN CN201610404172.4A patent/CN107465019B/en active Active
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| Publication number | Publication date |
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| CN107465019A (en) | 2017-12-12 |
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