CN104852344B - Electric connection component of European-style cable branch box - Google Patents
Electric connection component of European-style cable branch box Download PDFInfo
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- CN104852344B CN104852344B CN201510190563.6A CN201510190563A CN104852344B CN 104852344 B CN104852344 B CN 104852344B CN 201510190563 A CN201510190563 A CN 201510190563A CN 104852344 B CN104852344 B CN 104852344B
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- rigid insulation
- butt joint
- insulation set
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- 239000004020 conductor Substances 0.000 claims abstract description 259
- 210000001503 joint Anatomy 0.000 claims abstract description 186
- 238000007789 sealing Methods 0.000 claims abstract description 151
- 238000009413 insulation Methods 0.000 claims description 241
- 125000003003 spiro group Chemical group 0.000 claims description 94
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 4
- 210000004247 hand Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 230000004899 motility Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
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- 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
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- 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
- H01R13/46—Bases; Cases
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/56—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation one conductor screwing into another
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- Cable Accessories (AREA)
Abstract
The present invention discloses an electric connection component of a European-style cable branch box. The component comprises at least one butt joint and lead connector, a plurality of splicing connectors and a sealing connector, wherein the butt joint, the lead connector and the sealing connector are connected in turn to form a branch connection component or adjacent lead connectors are connected through the splicing connectors and the butt joint, and a front end of the first lead connector is connected with the butt joint while a rear end of the last lead connector is connected with the sealing connector to form a multiple branch connection component; each connector and joint is an integrated part composed of an internal conductor and an external hard insulating bush, a connection end of the internal conductor of each connector and joint is in a threaded connection structure, and connection points of the butt joint/ lead connector and the conductors are all at arc extinguishing chambers of the hard insulating bushes. After the connectors and joint are connected, the internal conductors are integrated, the external hard insulating bushes are sealed, and operators contact the hard insulating bushes during splicing. Continuous expansion of a plurality of splicing connectors and lead connectors can be realized.
Description
Technical field
The present invention relates to a kind of European cable branch box connector, and in particular to a kind of European cable branch box band electrical connection
Component.
Background technology
Current European cable branch box is using wall bushing as connection busbar, then the connection by being connected with wall bushing
Component realizes cable branch or switching.But metallic conductor at present in connecting elements in the joint such as butt joint, pigtail splice and its
Outside insulator is split, has following problem when being attached：（1）Conductor part connects the company with outer insulations
Connecing needs to carry out one by one, tedious process；（2）Must have a power failure during connection, it is impossible to band electrical connection, affect power supply reliability, cause Jing
Ji loss.
The content of the invention
It is an object of the invention to provide it is a kind of it is simple to operate, can with electrical connection offset European cable branch box band
Electrical connecting member.
The invention discloses a kind of European cable branch box is connect with electrical connecting member, including at least one butt joint and lead
Head, some continued access heads and a sealing joint.Including at least one butt joint and pigtail splice, some continued access heads and a sealing-in
Head, butt joint, pigtail splice and sealing joint are sequentially connected between one branch's coupling assembly of composition or adjacent pigtail splice and lead to
Cross continued access head and butt joint connection, the front end connection butt joint of first pigtail splice, the rear end company of last pigtail splice
Connect sealing joint composition multiple-limb coupling assembly；Each joint is the single piece of inner conductor and the integration of external hard plastic insulation sleeve,
The connection end of each joint inner conductor adopts screw connection structure；After each joint connection, inner conductor is connected as one, outside
Insulation and obturation is covered by rigid insulation；Butt joint or continued access head are rotated during installation and removal.
The structure of butt joint, pigtail splice, continued access head and sealing joint is as follows：The butt joint includes butt joint inner conductor
With butt joint rigid insulation set, butt joint inner conductor is the contrary leading portion screw rod of two ends thread rotary orientation, the entirety of back segment screwed pipe
Part, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination, and butt joint rigid insulation set is tapered circle
Taper, its leading portion are taper arc-chutes, and back segment is cylindricality arc-chutes, and the interlude of butt joint rigid insulation set outer wall is spanner folder
Hold section；Depth of the screw rod segment length of butt joint inner conductor less than taper arc-chutes, butt joint inner conductor are stretched with spiro rod section
Enter in taper arc extinguishing room, screwed pipe section is located in cylindricality arc-chutes the axial centre for being flush-mounted in butt joint rigid insulation set；It is described to draw
Wire terminal includes pigtail splice inner conductor and butt joint rigid insulation set；Pigtail splice inner conductor is two ends thread rotary orientation phase
Anti- leading portion screw rod, the single piece of back segment screwed pipe, the external diameter of screwed pipe section have the positioning of evagination more than the external diameter of spiro rod section, outer wall
Ring, pigtail splice rigid insulation set is T-shaped threeway set, and its upper end body is tapered conical, interior have axial centre to lead to
Hole, the leading portion of the through hole are that to cover the arc-chutes, back segment that back segment match with the butt joint rigid insulation be circular hole, the hole wall of circular hole
There is the detent for binding post positioning upside, and the lower end outer wall of T-shaped tee-joint sleeve has been threaded connection rigid insulation
Capping, the spiro rod length of pigtail splice inner conductor are less than the depth of taper arc-chutes, and pigtail splice inner conductor is with spiro rod section
Stretch in arc extinguishing room, be embedded in the front of detent on the upside of axially extending bore in the body of upper end；The continued access head includes continued access head
Inner conductor and continued access head rigid insulation set, continued access head inner conductor are the contrary leading portion screw rod of two ends thread rotary orientation, back segment spiral shell
The single piece of pipe, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination, and continued access head rigid insulation set is
Tapered cone, outer wall interlude are spanner gripping section, and continued access head inner conductor stretches out continuous with spiro rod section and screwed pipe section front portion
Joint rigid insulation set front end face, screwed pipe section rear end and continued access head rigid insulation cover that rear end is concordant to be embedded in continued access head rigid insulation
The axial centre of set, the front end of continued access head rigid insulation set correspond to the peripheral fluted of its inner conductor boss section external diameter；It is described
Sealing joint includes sealing joint inner conductor and sealing joint rigid insulation set, and sealing joint inner conductor is flush-mounted in sealing joint rigid insulation
The axial centre of set；Sealing joint inner conductor includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has determining for evagination
The front portion of position ring, spiro rod section and straight bar section is stretched out outside sealing joint rigid insulation set front end face, in sealing joint rigid insulation set axial direction
The heart has the blind hole from front end face to be backward used to install sealing joint inner conductor, and the rear end of sealing joint rigid insulation set outer wall is six ribs
The spanner gripping section of the bodily form, the front end of sealing joint rigid insulation set correspond to the peripheral fluted of its inner conductor boss section external diameter.
Or the structure of butt joint, pigtail splice, continued access head and sealing joint is as follows：The butt joint is included inside butt joint
Conductor and butt joint rigid insulation set, the butt joint inner conductor are the contrary double threaded screw of two ends thread rotary orientation, in the middle of which
Section is more than the cylindrical section of two ends outer screw diameter for external diameter, and the outer wall of cylindrical section has the locating ring of evagination；The two ends spiral shell of double threaded screw
Rubber blanket is cased with bar；The two ends of butt joint rigid insulation set are taper arc-chutes, spanner gripping section of the interlude for indent；
Depth of the screw rod segment length of butt joint inner conductor less than taper arc-chutes, butt joint inner conductor are docked with cylindrical section correspondence
The interlude of head rigid insulation set, two ends screw rod stretch into corresponding taper arc-chutes and are embedded in its axial centre；The lead connects
Head inner conductor is the contrary riffled tube of two ends thread rotary orientation with butt joint inner conductor matching, and its outer wall has evagination
Locating ring, pigtail splice rigid insulation set for T-shaped threeway set, the leading portion of its upper end body be with after butt joint rigid insulation set
The flaring cone of section matching, has the detent for binding post positioning, under T-shaped threeway set on the upside of axially extending bore in which
The outer wall of portion's body has ground lead connecting hole, and lower end has been threaded connection rigid insulation and has covered, pigtail splice inner conductor
It is located in the front end face of upper end body with front end, rear end is flush-mounted in the axially extending bore of upper end body positioned at detent front portion；
The continued access head includes continued access head inner conductor and continued access head rigid insulation set, and continued access head inner conductor is followed successively by spiral shell from front to back
The thread rotary orientation of bar segment, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is the positioning of evagination on straight bar section
Ring, continued access head rigid insulation are covered for tapered cone, spanner gripping section of the outer wall interlude for hexagonal prism shape, continued access head hard
The axial centre of insulation sleeve has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, leads inside continued access head
The boss section of body and spiro rod section are located at outside the front end of continued access head rigid insulation set, and the front end of continued access head rigid insulation set is corresponded in which
Peripheral fluted, spiro rod section external screw thread and the pigtail splice inner conductor of continued access head inner conductor of portion's conductor boss section external diameter
Female thread matching, screwed pipe section female thread are matched with the spiro rod section external screw thread of butt joint inner conductor；The sealing joint includes sealing-in
Head inner conductor and sealing joint rigid insulation set, sealing joint inner conductor are followed successively by spiro rod section, boss section and straight-bar from front to back
Section, the outer wall of straight bar section have the locating ring of evagination；Wherein spiro rod section is connected with the back segment of the pigtail splice inner conductor；Sealing-in
Head rigid insulation set axial centre has the blind hole from front end face backward, and the rear end of its outer wall is the spanner gripping section of hexagonal prism shape,
The front end of sealing joint rigid insulation set corresponds to the peripheral fluted of its inner conductor boss section external diameter；Sealing joint inner conductor is with which
Spiro rod section and boss section are located at outside the front end of sealing joint rigid insulation set and are flush-mounted in blind hole.
Or the structure of the butt joint of technical scheme three, pigtail splice, continued access head and sealing joint is as follows：The butt joint bag
Butt joint inner conductor and butt joint rigid insulation set are included, butt joint inner conductor is the contrary double end spiral shell of two ends thread rotary orientation
Bar, its interlude are more than the cylindrical section of two ends outer screw diameter for external diameter, and the outer wall of cylindrical section has the locating ring of evagination, and butt joint is hard
The leading portion of matter insulation sleeve is taper arc-chutes, and spanner gripping section of the interlude for hexagonal prism shape, back segment have connection screw thread for inwall
Cylindricality arc-chutes, the length of the length of butt joint inner conductor less than butt joint rigid insulation set, butt joint inner conductor with
The interlude of cylindrical section correspondence butt joint rigid insulation set, two ends screw rod are respectively protruding into butt joint rigid insulation set two ends arc-chutes
It is interior, can radially play be embedded in butt joint rigid insulation set axial centre；The pigtail splice is included in pigtail splice
Portion's conductor and pigtail splice rigid insulation set, pigtail splice inner conductor are the two ends spiral shell matched with the butt joint inner conductor
The oppositely oriented riffled tube of stricture of vagina, its outer wall have the locating ring of evagination, and pigtail splice rigid insulation set is T-shaped threeway set, thereon
The leading portion outer wall of end body has the external screw thread matched with butt joint rigid insulation set back segment cylindricality arc-chutes inner thread, on
The outer wall for having the detent for binding post positioning, T-shaped threeway set bottom body on the upside of the internal axially extending bore of end set has
Ground lead connecting hole, lower end have been threaded connection rigid insulation and have covered, and pigtail splice inner conductor is covered with upper end with front end
Body front end is concordant, rear end is located in front of detent and is embedded in the axially extending bore of upper end body；The continued access head includes continued access
Head inner conductor and continued access head rigid insulation set, continued access head inner conductor are followed successively by spiro rod section, boss section, straight bar section from front to back
With the thread rotary orientation of screwed pipe section, spiro rod section and screwed pipe section conversely, there is the locating ring of evagination on straight bar section；Continued access head rigid insulation set
For tapered cone, spanner gripping section of the outer wall interlude for hexagonal prism shape, the axial centre of continued access head rigid insulation set have
Shape and its inner conductor straight bar section are to the corresponding installing hole of screwed pipe section shape, the boss section and spiro rod section of continued access head inner conductor
Outside the front end of continued access head rigid insulation set, corresponding its inner conductor boss section external diameter in front end of continued access head rigid insulation set
Periphery is fluted, and the spiro rod section external screw thread of continued access head inner conductor is matched with the female thread of the pigtail splice inner conductor, spiral shell
Pipeline section female thread is matched with the spiro rod section external screw thread of the butt joint inner conductor；The sealing joint includes sealing joint inner conductor
With sealing joint rigid insulation set, sealing joint inner conductor be flush-mounted in sealing joint rigid insulation set axial centre；Inside sealing joint
Before conductor includes that the straight bar section of spiro rod section and its rear end, the outer wall of straight bar section have the locating ring of evagination, spiro rod section and straight bar section
Portion is stretched out outside sealing joint rigid insulation set front end face, and sealing joint rigid insulation set axial centre has the blind hole from front end face backward to use
In sealing joint inner conductor is installed, sealing joint rigid insulation covers the spanner gripping section of the rear end for hexagonal prism shape of outer wall, sealing joint
The front end of rigid insulation set corresponds to the peripheral fluted of its inner conductor boss section external diameter.
Or the structure of butt joint, pigtail splice, continued access head and sealing joint is as follows：The butt joint is included inside butt joint
Conductor and butt joint rigid insulation set, butt joint inner conductor are the contrary leading portion screw rod of two ends thread rotary orientation, back segment screwed pipe
Single piece, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination；The leading portion of butt joint rigid insulation set
For taper arc-chutes, interlude is spanner gripping section, and back segment is hollow circuit cylinder section, outer wall of the external diameter less than leading portion miner diameter end external diameter
There is connection screw thread, the screw rod segment length of butt joint inner conductor is less than the depth of taper arc-chutes, and butt joint inner conductor is with spiral shell
Bar segment is stretched in taper arc extinguishing room, screwed pipe section rear end and butt joint rigid insulation cover rear end it is concordant, can radially play setting-in
In the axial centre of butt joint rigid insulation set；The pigtail splice includes that pigtail splice inner conductor and pigtail splice hard are exhausted
Edge set, pigtail splice inner conductor are leading portion screw rod, the single piece of back segment screwed pipe matched with the butt joint inner conductor, its
The external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination；Pigtail splice rigid insulation set is T-shaped threeway
Set, the leading portion of its upper end body is cylindricality arc-chutes, and the inwall of cylindricality arc-chutes has and butt joint rigid insulation set back segment
The female thread of the external screw thread matching of outer wall, has the positioning for binding post positioning recessed on the upside of axially extending bore in the body of upper end
Groove；The outer wall of T-shaped threeway set bottom body has ground lead connecting hole, and lower end has been threaded connection rigid insulation and has covered, and draws
Wire terminal inner conductor is stretched into spiro rod section and detent on the upside of axially extending bore is flush-mounted in the body of upper end in cylindricality arc-chutes
Front；The continued access head includes continued access head inner conductor and continued access head rigid insulation set, continued access head inner conductor from front to back according to
The secondary thread rotary orientation for spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is evagination on straight bar section
Locating ring；For tapered cone, outer wall interlude is spanner gripping section to continued access head rigid insulation set, continued access head rigid insulation
The axial centre of set has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, continued access head inner conductor
Boss section and spiro rod section are located at outside the front end of continued access head rigid insulation set, and the front end of continued access head rigid insulation set corresponds to leads inside which
Peripheral fluted, the spiro rod section external screw thread of continued access head inner conductor and the pigtail splice inner conductor of body boss section external diameter
Female thread matching, screwed pipe section female thread are matched with the spiro rod section external screw thread of the butt joint inner conductor；The sealing joint includes
Sealing joint inner conductor and sealing joint rigid insulation set, sealing joint inner conductor are flush-mounted in the axial direction of sealing joint rigid insulation set
The heart；Sealing joint inner conductor includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has the locating ring of evagination, spiro rod section
And the front portion of straight bar section is stretched out outside sealing joint rigid insulation set front end face, sealing joint rigid insulation set axial centre has from front end face
Blind hole backward is used to install sealing joint inner conductor, and the rear end of sealing joint rigid insulation set outer wall is pressed from both sides for the spanner of hexagonal prism shape
Section is held, the front end of sealing joint rigid insulation set corresponds to the peripheral fluted of its inner conductor boss section external diameter.
European cable branch box band electrical connecting member disclosed by the invention, has started the first batch of band electrical connection structure of cable branch box
Part, structure diversification can match the component band electrical connection of different structure according to the cable branch box of different electric pressures, can be real
An existing branch and the various different branch cable connections for needing of multiple-limb, have wide range of applications, realize band electrical bonding, remove electricity
Source, reduces power failure range, and society and economic benefit are improved.
By connection conductor and rigid insulation Analysis of Nested Design integrated single piece, each connection conductor is flush-mounted in phase to each joint
In the rigid insulation set answered, the connection end of each joint inner conductor adopts screw connection structure, the junction point of each connection conductor
It is in arc extinguishing room.What during docking, operator contacted is rigid insulation set, and after each joint is connected, all of connection is led
Body is by insulation and obturation, so it is achieved the livewire work purpose of the present invention, it is simple to operate, it is reliable and secure.Continued access head sets
Meter, it is possible to achieve multiple continued access heads, the continuous expansion of pigtail splice, lifts the motility of tap.
In order that docking operation is faster, it is provided with the rigid insulation set outer wall of butt joint and continued access head and sealing joint
The gripping section of hexagonal prism shape.
In order to ensure waterproof and dampproof performance after the connection of each joint and prevent the loosening of each joint, in each adjacent joint
Between and butt joint be respectively provided between sleeve pipe rubber blanket with docking for cable branch box.
Description of the drawings
Configuration schematic diagrams of the Fig. 1 for the embodiment of the present invention one.
Configuration schematic diagrams of the Fig. 2 for the embodiment of the present invention two.
Configuration schematic diagrams of the Fig. 3 for the embodiment of the present invention three.
Configuration schematic diagrams of the Fig. 4 for the embodiment of the present invention four.
Configuration schematic diagrams of the Fig. 5 for the embodiment of the present invention five.
Configuration schematic diagrams of the Fig. 6 for the embodiment of the present invention six.
Configuration schematic diagrams of the Fig. 7 for the embodiment of the present invention seven.
Configuration schematic diagrams of the Fig. 8 for the embodiment of the present invention eight.
Specific embodiment
Embodiment one, the present embodiment are applied to a kind of European cable branch box band that need to connect an offset and are electrically connected
Connection member.As shown in figure 1, the connector includes butt joint 1, pigtail splice 2 and the sealing joint 3 being sequentially arranged, outside butt joint 1
End with dock sleeve pipe 4 and be threadedly coupled.Butt joint 1 includes the butt joint rigid insulation of butt joint connection conductor 11 and in conjunctionization
Set 12.Butt joint inner conductor 11 is the contrary leading portion screw rod of two ends thread rotary orientation, the single piece of back segment screwed pipe, outside screwed pipe section
Footpath is more than the external diameter of spiro rod section, outer wall the locating ring of evagination.Butt joint rigid insulation covers 12 for tapered cone, its leading portion
For taper arc-chutes 13, in back segment, there is axial center hole.It is spanner gripping section that butt joint rigid insulation covers the interlude of 12 outer walls
14.Depth of the screw rod segment length of butt joint inner conductor 11 less than taper arc-chutes 13.Butt joint inner conductor 11 is with screw rod
Stretch in taper arc-chutes 13, the rear end of screwed pipe section is located at the rear end face that butt joint rigid insulation covers 12 back segment axial center holes,
The axial centre of butt joint rigid insulation set 12 is inside flush-mounted in, makes the rear end of butt joint form cylindricality arc-chutes 15.Pigtail splice 2
Connect the pigtail splice rigid insulation set 22 of conductor 21 and in conjunctionization including pigtail splice.Pigtail splice inner conductor 21 is
The contrary leading portion screw rod of two ends thread rotary orientation, the single piece of back segment screwed pipe, the external diameter of screwed pipe section are more than the external diameter of spiro rod section, outer wall
There is the locating ring of evagination.Pigtail splice rigid insulation set 22 is T-shaped threeway set, and its upper end body is tapered conical, interior have
Axial central through hole, the leading portion of the through hole are to cover arc-chutes 222, back segment that 22 back segments matchs to justify with butt joint rigid insulation
Hole, the lower end outer wall for having the detent 221 for binding post positioning, T-shaped tee-joint sleeve on the upside of circular hole are connected by screw thread
It is connected to rigid insulation capping 23.Depth of the screw rod segment length of pigtail splice inner conductor 21 less than arc-chutes 222.Pigtail splice
Inner conductor 21 is stretched into spiro rod section and is flush-mounted in taper arc-chutes in the body of upper end on the upside of axially extending bore before detent 221
Side.Sealing joint 3 includes the sealing joint rigid insulation set 32 of sealing joint connection conductor 31 and in conjunctionization.Sealing joint inner conductor
31 axial centres for being flush-mounted in sealing joint rigid insulation set 32.Sealing joint inner conductor 31 includes the straight-bar of spiro rod section and its rear end
Section, before sealing joint rigid insulation set 32 is stretched out in the front portion that the outer wall of straight bar section has the locating ring of evagination, spiro rod section and straight bar section
Outside end face, the axial centre of sealing joint rigid insulation set 32 has the blind hole from front end face to be backward used to install sealing joint inner conductor
31, sealing joint rigid insulation covers the spanner gripping section of the rear end for hexagonal prism shape of 32 outer walls, before sealing joint rigid insulation set 32
End corresponds to the peripheral fluted of its inner conductor boss section external diameter.
The binding post for having crimped cable, during assembling docking operation, is first inserted the detent of pigtail splice upper end body
In, then the rubber blanket on set on the screw rod of sealing joint, will pass through on binding post in the screw rod insertion pigtail splice of sealing joint
Connecting hole after be connected with pigtail splice conductor screwed pipe connection, the hexagonal prism Duan Xuan of sealing joint is then clamped using Insulation spanner
Turn sealing joint, the screw rod of sealing joint is connected into the screwed pipe fastening of conductor with pigtail splice, sealing joint is assembled into pigtail splice
Integrally；Again the bigger diameter end that butt joint rigid insulation covers is placed on outside docking sleeve pipe, miner diameter end inserts pigtail splice rigid insulation set
Bigger diameter end in, clamp the hexagonal prism section rotation butt joint that butt joint rigid insulation puts with Insulation spanner, connect butt joint
The two ends of conductor are connected conductor threaded connection fastening with conductor and pigtail splice in docking sleeve pipe simultaneously.
Before noting docking, rubber blanket is sleeved on the screw rod head of butt joint and pigtail splice connection conductor.Rubber blanket has
There is waterproof, moistureproof and anti-loosening.After each joint connection, its inner conductor is connected as one, and outside is by rigid insulation set
Insulation and obturation.Connector is separated with the docking sleeve pipe on cable branch box by butt joint need to be only reversely rotated during dismounting.
Embodiment two, the present embodiment are applied to the European cable branch box band electrical connection structure for connecting two offsets
Part.As shown in Fig. 2 the present embodiment includes butt joint 1, pigtail splice 2, continued access 6, pigtail splice 2 and the sealing-in being sequentially arranged
3, the outer end of first butt joint 1 is threadedly coupled with sleeve pipe 4 is docked.
Continued access 6 includes the continued access head rigid insulation set 62 of continued access head connection conductor 61 and in conjunctionization, and continued access head is hard
Matter insulation sleeve 62 is tapered cone, has axial central through hole in which, the little head of the continued access in the inner connection conductor 61 of its length
Length, the screw rod of continued access head connection conductor 61 and screwed pipe front portion are stretched out outside continued access head rigid insulation set 62.Continued access head rigid insulation
There is the spanner gripping section 621 of the hexagonal prism shape of indent in the outer wall stage casing of set 62.The spiro rod section of continued access head inner conductor 61 with it is previous
The back segment threaded connection of individual pigtail splice inner conductor 21, screwed pipe section are connected with the leading portion screw thread of latter joint inner conductor 21
Connect.The structure of the butt joint 1, pigtail splice 2 and sealing joint 3 of the present embodiment is with embodiment one.
Connected as one by continued access head between two adjacent pigtail splices of the present embodiment, first by two pigtail splices during connection
Connect as one with offset respectively, then the two ends of continued access head are docked with pigtail splice respectively, then pulled by insulation
Two pigtail splices are coupled together by handss rotation continued access head, and subsequently the rear end of second pigtail splice connects sealing joint again, finally
Aforementioned single piece is telescopic joint with docking on cable branch box by butt joint：The two ends of butt joint are divided with cable respectively
The docking sleeve pipe and first pigtail splice for propping up case is docked, and then makes its two ends while connecting right with Insulation spanner rotation butt joint
Female connector pipe and pigtail splice.
Analogize according to two offsets when connecting multiple offsets, last pigtail splice is closed with sealing joint.
Embodiment three, as shown in figure 3, the present embodiment with the difference of embodiment one is：Butt joint connection conductor 11 is two
The contrary double threaded screw of end thread rotary orientation, its interlude are more than the cylindrical section of outer screw diameter for external diameter, and the outer wall of cylindrical section has outer
Convex locating ring.Butt joint rigid insulation covers 12 two ends and is taper arc-chutes 13.Butt joint connects conductor 11 with cylindrical section pair
Answering the interlude of butt joint rigid insulation set 12, two ends screw rod to be respectively protruding into corresponding taper arc-chutes 13, to be embedded in butt joint hard
The axial centre of matter insulation sleeve 12.Pigtail splice connection conductor 21 be match with double threaded screw in butt joint, two ends screw thread revolve
To contrary riffled tube.It is to cover 12 back segments with butt joint rigid insulation that pigtail splice rigid insulation covers the leading portion of 22 upper end bodies
The flaring cone of matching.Pigtail splice connection conductor 21 is located in the front end face of upper end body with front end, rear end is located at positioning
221 front portion of groove is embedded in the axially extending bore of upper end body.
Sealing joint connection conductor 31 is followed successively by spiro rod section, boss section and straight bar section from front to back, and the outer wall of straight bar section has outer
Convex locating ring, wherein spiro rod section are connected the back segment threaded connection of conductor 21 with pigtail splice；Sealing joint rigid insulation set 32
Axial centre has the blind hole from front end face backward, and the rear end of its outer wall is the spanner gripping section of hexagonal prism shape.Sealing joint hard is exhausted
The front end correspondence sealing joint of edge set 32 connects the peripheral fluted of 31 boss section external diameter of conductor.Sealing joint connects conductor 31 with its spiral shell
Bar segment and boss section are located at outside the front end of sealing joint rigid insulation set 32 and are flush-mounted in blind hole.The assembling of each joint in the present embodiment
Operation is with reference to embodiment one.
Example IV, as shown in figure 4, the butt joint 1, pigtail splice 2, continued access 6, right that the present embodiment includes being sequentially connected
Joint 1, pigtail splice 2 and sealing joint 3, the outer end of first butt joint 1 are threadedly coupled with sleeve pipe 4 is docked.Continued access 6 includes continuing
Joint connects the continued access head rigid insulation body 62 of conductor 61 and in conjunctionization.Continued access head inner conductor 61 is followed successively by from front to back
The thread rotary orientation of spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is determining for evagination on straight bar section
Position ring.Continued access head rigid insulation set 62 be tapered cone, outer wall interlude be spanner gripping section, continued access head rigid insulation set
62 axial centre has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, continued access head inner conductor 61
Boss section and spiro rod section be located at outside the front end of continued access head rigid insulation set 62, the front end correspondence of continued access head rigid insulation set 62 is continuous
61 boss section external diameter of joint inner conductor it is peripheral fluted.Inside the spiro rod section and pigtail splice 2 of continued access head inner conductor 61
The connection of riffled tube back segment, screwed pipe section is connected with the leading portion screw rod of butt joint inner conductor 11.The butt joint 1 of the present embodiment,
, with embodiment three, the assembling docking operation between each joint is with reference to embodiment two for the structure of pigtail splice 2 and sealing joint 3.
Embodiment five, as shown in figure 5, the present embodiment the present embodiment includes butt joint 1,2 and of pigtail splice being sequentially connected
Sealing joint 3, the outer end of butt joint 1 are docked with 4 screw thread of sleeve pipe is docked.The butt joint inner conductor 11 of butt joint 1 is two ends screw thread
Oppositely oriented double threaded screw, its interlude are more than the cylindrical section of two ends outer screw diameter for external diameter, and the outer wall of cylindrical section has evagination
Locating ring.The leading portion of butt joint rigid insulation set 12 is taper arc-chutes 13, and interlude is the spanner gripping section of hexagonal prism shape
14, back segment is more than the cylindricality arc-chutes 15 of leading portion miner diameter end external diameter for external diameter, and the inwall of cylindricality arc-chutes 15 has connection screw thread.It is right
Joint connects conductor 11 with the interlude of cylindrical section correspondence butt joint rigid insulation set 12, that two ends screw rod stretches into butt joint hard is exhausted
Edge set 12 two ends arc-chutes in be flush-mounted in butt joint rigid insulation set 12 axial centre, make butt joint inner conductor 11 with it is right
The radial-play space of 1mm or so is left between joint rigid insulation set 12.The pigtail splice inner conductor 21 of pigtail splice 2 is
The riffled tube contrary with the two ends thread rotary orientation of the matching of butt joint inner conductor 11, its outer wall have the locating ring of evagination.Lead
Joint rigid insulation is covered the leading portion outer wall of 22 upper end bodies and is connected with the back segment inner thread of butt joint rigid insulation set 12, in which
There is the detent 221 for binding post positioning on the upside of axially extending bore.The outer wall of T-shaped threeway set bottom body has grounding lead
Line connecting hole, lower end have been threaded connection rigid insulation capping 23.Pigtail splice inner conductor 21 is with front end and upper end body
Front end is concordant, rear end is located in front of detent 221 and is flush-mounted in the axially extending bore of upper end body.Sealing joint 3 includes sealing joint
The sealing joint rigid insulation set 32 of connection conductor 31 and in conjunctionization.It is exhausted that sealing joint inner conductor 31 is flush-mounted in sealing joint hard
The axial centre of edge set 32.Sealing joint inner conductor 31 includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has outer
The front portion of convex locating ring, spiro rod section and straight bar section is stretched out outside the front end face of sealing joint rigid insulation set 32, and sealing joint hard is exhausted
The axial centre of edge set 32 has the blind hole from front end face to be backward used to install sealing joint inner conductor 31, sealing joint rigid insulation set
Spanner gripping section of the rear end of 32 outer walls for hexagonal prism shape, corresponding its inner conductor boss in front end of sealing joint rigid insulation set 32
Section external diameter it is peripheral fluted.
In order that the offset that the present embodiment improves intensity to adapt to higher voltage grade is transferred, butt joint and lead connect
Using threaded connection between the inner conductor and rigid insulation set of head；In order that connection is more smoothly quick, make inside butt joint
Conductor can radially a small range play.In the present embodiment, the assembling docking operation of each joint is with reference to embodiment one.
Embodiment six, as shown in fig. 6, the butt joint 1, pigtail splice 2, continued access 6, right that the present embodiment includes being sequentially connected
Joint 1, pigtail splice 2 and sealing joint 3, the outer end of first butt joint 1 are threadedly coupled with sleeve pipe 4 is docked.Continued access 6 includes continuing
Joint connects the continued access head rigid insulation body 62 of conductor 61 and in conjunctionization.Continued access head inner conductor 61 is followed successively by from front to back
The thread rotary orientation of spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is determining for evagination on straight bar section
Position ring.Continued access head rigid insulation set 62 is tapered cone, and outer wall interlude is the spanner gripping section 621 of hexagonal prism shape, its
Axial centre has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, continued access head inner conductor 61 it is convex
Platform section and spiro rod section are located at outside the front end of continued access head rigid insulation set 62, the front end correspondence continued access head of continued access head rigid insulation set 62
61 boss section external diameter of inner conductor it is peripheral fluted, rubber blanket 5 is embedded with groove.The spiro rod section of continued access head inner conductor 61
It is threadedly coupled with the back segment of pigtail splice inner conductor 21, screwed pipe section is threadedly coupled with the leading portion of butt joint inner conductor 11.This
The structure of the butt joint 1, pigtail splice 2 and sealing joint 3 of embodiment is with embodiment five, the assembling docking operation ginseng between each joint
According to embodiment two.
Embodiment seven, as shown in fig. 7, the present embodiment includes butt joint 1, pigtail splice 2 and the sealing joint 3 being sequentially connected,
Dock with 4 screw thread of sleeve pipe is docked the outer end of butt joint 1.Butt joint 1 include butt joint connection conductor 11 and in conjunctionization it is right
Joint rigid insulation set 12.Butt joint inner conductor 11 is the contrary leading portion screw rod of two ends thread rotary orientation, the entirety of back segment screwed pipe
Part, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, its outer wall the locating ring of evagination.The leading portion of butt joint rigid insulation set 12
For taper arc-chutes 13, spanner gripping section 14 of the interlude for hexagonal prism shape, back segment are external diameter less than leading portion miner diameter end external diameter
Hollow circuit cylinder section, back segment outer wall have connection screw thread.Butt joint inner conductor 11 stretches into butt joint rigid insulation set 12 with spiro rod section
Taper arc-chutes 13 in be flush-mounted in the axial centre of butt joint rigid insulation set 12, make butt joint inner conductor 11 and butt joint
The radial-play space of 1mm or so is left between rigid insulation set 12.Pigtail splice 2 include pigtail splice connection conductor 21 and with
Integration pigtail splice rigid insulation set 22.Pigtail splice inner conductor 21 be match with butt joint inner conductor 11 before
Section screw rod, the single piece of back segment screwed pipe, the external diameter of its screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination.Draw
Wire terminal rigid insulation set 22 is T-shaped threeway set, and the leading portion of its upper end body is cylindricality arc-chutes 22, cylindricality arc-chutes 222
Inwall has the female thread that the external screw thread for covering 12 back segment outer walls with butt joint rigid insulation is matched, and in the body of upper end, axially extending bore is upper
There is the detent 221 for binding post positioning side.The outer wall of T-shaped threeway set bottom body has ground lead connecting hole, under
End has been threaded connection rigid insulation capping 23.Pigtail splice inner conductor 21 is stretched in cylindricality arc-chutes 221 with spiro rod section
It is flush-mounted in the front of detent on the upside of axially extending bore in the body of upper end.Sealing joint 3 includes sealing joint connection conductor 31 and therewith
The sealing joint rigid insulation set 32 of integration.Sealing joint inner conductor 31 is flush-mounted in the axial direction of sealing joint rigid insulation set 32
The heart.Sealing joint inner conductor 31 includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has the locating ring of evagination, screw rod
The front portion of section and straight bar section is stretched out outside the front end face of sealing joint rigid insulation set 32, the axial centre of sealing joint rigid insulation set 32
There is the blind hole from front end face to be backward used to sealing joint inner conductor 31 to be installed, it is six that sealing joint rigid insulation covers the rear end of 32 outer walls
The spanner gripping section of the rib bodily form, sealing joint rigid insulation set 32 front end correspondence its inner conductor boss section external diameter it is outer be with it is recessed
Groove.
In order that the offset that the present embodiment improves intensity to adapt to higher voltage grade is transferred, butt joint and lead connect
Using threaded connection between the inner conductor and rigid insulation set of head；In order that connection is more smoothly quick, make inside butt joint
Conductor can radially a small range play.In the present embodiment, the assembling docking operation of each joint is with reference to embodiment one.
Embodiment eight, as shown in figure 8, the butt joint 1, pigtail splice 2, continued access 6, right that the present embodiment includes being sequentially connected
Joint 1, pigtail splice 2 and sealing joint 3, the outer end of first butt joint are threadedly coupled with sleeve pipe 4 is docked.Continued access 6 includes continuing
Joint connects the continued access head rigid insulation body 62 of conductor 61 and in conjunctionization.Continued access head inner conductor 61 is followed successively by from front to back
The thread rotary orientation of spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is determining for evagination on straight bar section
Position ring.Continued access head rigid insulation set 62 is tapered cone, and interlude is the spanner gripping section 621 of hexagonal prism shape.Continued access head
Rigid insulation covers 62 axial centres has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, in continued access head
The boss section of portion's conductor 61 and spiro rod section are located at outside the front end of continued access head rigid insulation set 62, before continued access head rigid insulation set 62
Hold the peripheral fluted of 61 boss section external diameter of correspondence continued access head inner conductor.The spiro rod section of continued access head inner conductor 61 is connect with lead
The back segment threaded connection of head inner conductor 21, screwed pipe section are threadedly coupled with the leading portion of butt joint inner conductor 11.The present embodiment
, with embodiment seven, the assembling docking operation between each joint is with reference to embodiment for the structure of butt joint 1, pigtail splice 2 and sealing joint 3
Two.
By connection conductor and rigid insulation Analysis of Nested Design integrated single piece, each connection conductor is flush-mounted in phase to each joint
In the rigid insulation set answered, the connection end of each joint inner conductor adopts screw connection structure, the junction point of each connection conductor
It is in arc extinguishing room.What during docking, operator contacted is rigid insulation set, and after each joint is connected, all of connection is led
Body is by insulation and obturation, so it is achieved the livewire work purpose of the present invention, it is simple to operate, it is reliable and secure.Continued access head sets
Meter, it is possible to achieve multiple continued access heads, the continuous expansion of pigtail splice, lifts the motility of tap.
Claims (5)
1. a kind of European cable branch box is with electrical connecting member, it is characterised in that：It includes that at least one butt joint and lead connect
Head, some continued access heads and a sealing joint, butt joint, pigtail splice and sealing joint be sequentially connected composition one branch's coupling assembly or
Pass through continued access head between the adjacent pigtail splice of person and butt joint connects, the front end connection butt joint of first pigtail splice, most
The rear end connection sealing joint composition multiple-limb coupling assembly of latter pigtail splice；Each joint is inner conductor and external hard plastic
The single piece of insulation sleeve integration, the connection end of each joint inner conductor adopt screw connection structure；It is after each joint connection, interior
Portion's conductor is connected as one, outside is covered insulation and obturation by rigid insulation；Butt joint or continued access head are rotated during installation and removal.
2. European cable branch box as claimed in claim 1 is with electrical connecting member, it is characterised in that：It is right that the butt joint includes
Joint inner conductor and butt joint rigid insulation set, butt joint inner conductor be the contrary leading portion screw rod of two ends thread rotary orientation, after
The single piece of section screwed pipe, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination, butt joint rigid insulation
Cover for tapered cone, its leading portion is taper arc-chutes, and back segment is cylindricality arc-chutes, in butt joint rigid insulation set outer wall
Between section be spanner gripping section；The screw rod segment length of butt joint inner conductor is led inside butt joint less than the depth of taper arc-chutes
Body is stretched in taper arc extinguishing room with spiro rod section, screwed pipe section is located in cylindricality arc-chutes the axial direction for being flush-mounted in butt joint rigid insulation set
Center；
The pigtail splice includes pigtail splice inner conductor and butt joint rigid insulation set；Pigtail splice inner conductor is two ends
The contrary leading portion screw rod of thread rotary orientation, the single piece of back segment screwed pipe, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall outer
Convex locating ring, pigtail splice rigid insulation set is T-shaped threeway set, and its upper end body is tapered conical, interior have axle
To central through hole, the leading portion of the through hole is that to cover arc-chutes, back segment that back segment match with the butt joint rigid insulation be circular hole, is justified
There is the detent for binding post positioning on the upside of the hole wall in hole, the lower end outer wall of T-shaped tee-joint sleeve has been threaded connection
Rigid insulation is covered, and the spiro rod length of pigtail splice inner conductor is less than the depth of taper arc-chutes, pigtail splice inner conductor
Stretched in arc extinguishing room with spiro rod section, be embedded in the front of detent on the upside of axially extending bore in the body of upper end；
The continued access head includes continued access head inner conductor and continued access head rigid insulation set, and continued access head inner conductor is revolved for two ends screw thread
To contrary leading portion screw rod, the single piece of back segment screwed pipe, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall determining for evagination
Position ring, continued access head rigid insulation set are tapered cone, and outer wall interlude is spanner gripping section, and continued access head inner conductor is with spiral shell
Bar segment and screwed pipe section front portion are held level with both hands after stretching out continued access head rigid insulation set front end face, screwed pipe section rear end and continued access head rigid insulation set
The axial centre of continued access head rigid insulation set, corresponding its inner conductor boss section in front end of continued access head rigid insulation set are embedded in together
External diameter it is peripheral fluted；
The sealing joint includes sealing joint inner conductor and sealing joint rigid insulation set, and sealing joint inner conductor is flush-mounted in sealing joint
The axial centre of rigid insulation set；Sealing joint inner conductor includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has
The front portion of the locating ring of evagination, spiro rod section and straight bar section is stretched out outside sealing joint rigid insulation set front end face, sealing joint rigid insulation
Set axial centre has the blind hole from front end face to be backward used to install sealing joint inner conductor, after sealing joint rigid insulation set outer wall
Hold the spanner gripping section for hexagonal prism shape, the periphery of corresponding its inner conductor boss section external diameter in front end of sealing joint rigid insulation set
It is fluted.
3. European cable branch box as claimed in claim 1 is with electrical connecting member, it is characterised in that：It is right that the butt joint includes
Joint inner conductor and butt joint rigid insulation set, the butt joint inner conductor are the contrary double end spiral shell of two ends thread rotary orientation
Bar, its interlude are more than the cylindrical section of two ends outer screw diameter for external diameter, and the outer wall of cylindrical section has the locating ring of evagination；Double threaded screw
Two ends screw rod on be cased with rubber blanket；The two ends of butt joint rigid insulation set are taper arc-chutes, and interlude is pulled for indent
Handss gripping section；Depth of the screw rod segment length of butt joint inner conductor less than taper arc-chutes, butt joint inner conductor is with cylinder
The interlude of section correspondence butt joint rigid insulation set, two ends screw rod stretch into corresponding taper arc-chutes and are embedded in its axial centre；
The pigtail splice inner conductor is the female thread contrary with the two ends thread rotary orientation of butt joint inner conductor matching
Pipe, its outer wall have a locating ring of evagination, and pigtail splice rigid insulation set is T-shaped threeway set, the leading portion of its upper end body be with it is right
The flaring cone of joint rigid insulation set back segment matching, has the positioning for binding post positioning on the upside of axially extending bore in which
Groove, the outer wall of T-shaped threeway set bottom body have ground lead connecting hole, and lower end has been threaded connection rigid insulation and has covered,
Pigtail splice inner conductor is located in the front end face of upper end body with front end, rear end is flush-mounted in upper end set positioned at detent front portion
In the axially extending bore of body；
The continued access head includes continued access head inner conductor and continued access head rigid insulation set, and continued access head inner conductor is from front to back successively
Thread rotary orientation for spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is evagination on straight bar section
Locating ring, continued access head rigid insulation are covered for tapered cone, spanner gripping section of the outer wall interlude for hexagonal prism shape, continued access head
The axial centre of rigid insulation set has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, in continued access head
The boss section of portion's conductor and spiro rod section are located at outside the front end of continued access head rigid insulation set, the front end correspondence of continued access head rigid insulation set
Its inner conductor boss section external diameter it is peripheral fluted, lead inside the spiro rod section external screw thread of continued access head inner conductor and pigtail splice
The female thread matching of body, screwed pipe section female thread are matched with the spiro rod section external screw thread of butt joint inner conductor；
The sealing joint includes sealing joint inner conductor and sealing joint rigid insulation set, and sealing joint inner conductor is from front to back successively
For spiro rod section, boss section and straight bar section, the outer wall of straight bar section has the locating ring of evagination；Wherein in spiro rod section and the pigtail splice
The back segment connection of portion's conductor；Sealing joint rigid insulation set axial centre has the blind hole from front end face backward, and the rear end of its outer wall is
The spanner gripping section of hexagonal prism shape, sealing joint rigid insulation set front end correspondence its inner conductor boss section external diameter it is outer be with it is recessed
Groove；Sealing joint inner conductor is located at outside the front end of sealing joint rigid insulation set with its spiro rod section and boss section and is flush-mounted in blind hole.
4. European cable branch box as claimed in claim 1 is with electrical connecting member, it is characterised in that：It is right that the butt joint includes
Joint inner conductor and butt joint rigid insulation set, butt joint inner conductor are the contrary double threaded screw of two ends thread rotary orientation, its
Interlude is more than the cylindrical section of two ends outer screw diameter for external diameter, and the outer wall of cylindrical section has the locating ring of evagination, and butt joint hard is exhausted
The leading portion of edge set is taper arc-chutes, and spanner gripping section of the interlude for hexagonal prism shape, back segment have the post of connection screw thread for inwall
Shape arc-chutes, less than the length that butt joint rigid insulation covers, butt joint inner conductor is with cylinder for the length of butt joint inner conductor
The interlude of section correspondence butt joint rigid insulation set, two ends screw rod be respectively protruding in butt joint rigid insulation set two ends arc extinguishing room,
Can radially play be embedded in butt joint rigid insulation set axial centre；
The pigtail splice includes pigtail splice inner conductor and pigtail splice rigid insulation set, pigtail splice inner conductor be with
The contrary riffled tube of the two ends thread rotary orientation of butt joint inner conductor matching, its outer wall have the locating ring of evagination, lead
For T-shaped threeway set, the leading portion outer wall of its upper end body has and the butt joint rigid insulation set back segment post joint rigid insulation set
The external screw thread of shape arc-chutes inner thread matching, upper end covers the positioning having on the upside of internal axially extending bore for binding post positioning
Groove, the outer wall of T-shaped threeway set bottom body have ground lead connecting hole, and lower end has been threaded connection rigid insulation and has covered,
Pigtail splice inner conductor is so that front end is concordant with upper end body front end, rear end is located in front of detent and is embedded in upper end body
In axially extending bore；
The continued access head includes continued access head inner conductor and continued access head rigid insulation set, and continued access head inner conductor is from front to back successively
Thread rotary orientation for spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is evagination on straight bar section
Locating ring；Continued access head rigid insulation is covered for tapered cone, spanner gripping section of the outer wall interlude for hexagonal prism shape, continued access head
The axial centre of rigid insulation set has shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, in continued access head
The boss section of portion's conductor and spiro rod section are located at outside the front end of continued access head rigid insulation set, the front end correspondence of continued access head rigid insulation set
Its inner conductor boss section external diameter it is peripheral fluted, in the spiro rod section external screw thread of continued access head inner conductor and the pigtail splice
The female thread matching of portion's conductor, screwed pipe section female thread are matched with the spiro rod section external screw thread of the butt joint inner conductor；
The sealing joint includes sealing joint inner conductor and sealing joint rigid insulation set, and sealing joint inner conductor is flush-mounted in sealing joint
The axial centre of rigid insulation set；Sealing joint inner conductor includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has
The front portion of the locating ring of evagination, spiro rod section and straight bar section is stretched out outside sealing joint rigid insulation set front end face, sealing joint rigid insulation
Set axial centre has the blind hole from front end face to be backward used to install sealing joint inner conductor, after sealing joint rigid insulation set outer wall
Hold the spanner gripping section for hexagonal prism shape, the periphery of corresponding its inner conductor boss section external diameter in front end of sealing joint rigid insulation set
It is fluted.
5. European cable branch box as claimed in claim 1 is with electrical connecting member, it is characterised in that：It is right that the butt joint includes
Joint inner conductor and butt joint rigid insulation set, butt joint inner conductor be the contrary leading portion screw rod of two ends thread rotary orientation, after
The single piece of section screwed pipe, the external diameter of screwed pipe section is more than the external diameter of spiro rod section, outer wall the locating ring of evagination；Butt joint rigid insulation
The leading portion of set is taper arc-chutes, and interlude is spanner gripping section, and back segment is hollow circle of the external diameter less than leading portion miner diameter end external diameter
Shell of column, outer wall have connection screw thread, and the screw rod segment length of butt joint inner conductor is less than the depth of taper arc-chutes, inside butt joint
Conductor is stretched in taper arc extinguishing room with spiro rod section, screwed pipe section rear end and butt joint rigid insulation set rear end is concordant, radially can alter
The dynamic axial centre for being flush-mounted in butt joint rigid insulation set；
The pigtail splice includes pigtail splice inner conductor and pigtail splice rigid insulation set, pigtail splice inner conductor be with
The leading portion screw rod of the butt joint inner conductor matching, the single piece of back segment screwed pipe, the external diameter of its screwed pipe section is more than spiro rod section
External diameter, outer wall have the locating ring of evagination；Pigtail splice rigid insulation set is T-shaped threeway set, and the leading portion of its upper end body is cylindricality
Arc-chutes, the inwall of cylindricality arc-chutes have the female thread matched with the external screw thread of butt joint rigid insulation set back segment outer wall,
There is the detent for binding post positioning in the body of upper end on the upside of axially extending bore；T-shaped threeway covers the outer wall of bottom body
There is ground lead connecting hole, lower end has been threaded connection rigid insulation and has covered, pigtail splice inner conductor is stretched into spiro rod section
The front of detent on the upside of axially extending bore in the body of upper end is flush-mounted in cylindricality arc-chutes；
The continued access head includes continued access head inner conductor and continued access head rigid insulation set, and continued access head inner conductor is from front to back successively
Thread rotary orientation for spiro rod section, boss section, straight bar section and screwed pipe section, spiro rod section and screwed pipe section is conversely, there is evagination on straight bar section
Locating ring；For tapered cone, outer wall interlude is spanner gripping section to continued access head rigid insulation set, continued access head rigid insulation set
Axial centre have shape and its inner conductor straight bar section to the corresponding installing hole of screwed pipe section shape, continued access head inner conductor it is convex
Platform section and spiro rod section are located at outside the front end of continued access head rigid insulation set, corresponding its inner conductor in front end of continued access head rigid insulation set
Boss section external diameter it is peripheral fluted, in the spiro rod section external screw thread of continued access head inner conductor and the pigtail splice inner conductor
Screw thread matching, screwed pipe section female thread are matched with the spiro rod section external screw thread of the butt joint inner conductor；
The sealing joint includes sealing joint inner conductor and sealing joint rigid insulation set, and sealing joint inner conductor is flush-mounted in sealing joint
The axial centre of rigid insulation set；Sealing joint inner conductor includes the straight bar section of spiro rod section and its rear end, and the outer wall of straight bar section has
The front portion of the locating ring of evagination, spiro rod section and straight bar section is stretched out outside sealing joint rigid insulation set front end face, sealing joint rigid insulation
Set axial centre has the blind hole from front end face to be backward used to install sealing joint inner conductor, after sealing joint rigid insulation set outer wall
Hold the spanner gripping section for hexagonal prism shape, the periphery of corresponding its inner conductor boss section external diameter in front end of sealing joint rigid insulation set
It is fluted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510190563.6A CN104852344B (en) | 2015-04-22 | 2015-04-22 | Electric connection component of European-style cable branch box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190563.6A CN104852344B (en) | 2015-04-22 | 2015-04-22 | Electric connection component of European-style cable branch box |
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| CN104852344A CN104852344A (en) | 2015-08-19 |
| CN104852344B true CN104852344B (en) | 2017-04-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104795644A (en) * | 2015-04-28 | 2015-07-22 | 国家电网公司 | Connecting member and combined connector thereof |
| CN107819227B (en) * | 2017-10-13 | 2020-01-14 | 许继集团有限公司 | Termination suitable for relay protection test |
| CN109768444B (en) * | 2019-01-15 | 2020-10-16 | 哈尔滨工业大学 | Wiring device and wiring method suitable for litz wire |
| CN112838556A (en) * | 2021-03-03 | 2021-05-25 | 广东安恒电力科技有限公司 | Ring main unit cable termination connection protection device |
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| JP3982725B2 (en) * | 1998-03-13 | 2007-09-26 | 昭和電線ケーブルシステム株式会社 | Cable branch connection |
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| CN2687913Y (en) * | 2004-02-20 | 2005-03-23 | 长沙电缆附件有限公司 | T-shape branch joint for power cable branching |
| CN201430323Y (en) * | 2009-06-25 | 2010-03-24 | 泉州七星电气有限公司 | Cable terminal connector with arrester |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104852344A (en) | 2015-08-19 |
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