CN207353487U - Cable connecting terminal - Google Patents

Cable connecting terminal Download PDF

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Publication number
CN207353487U
CN207353487U CN201721522598.6U CN201721522598U CN207353487U CN 207353487 U CN207353487 U CN 207353487U CN 201721522598 U CN201721522598 U CN 201721522598U CN 207353487 U CN207353487 U CN 207353487U
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CN
China
Prior art keywords
hole
connection terminal
wiring sleeve
cable connecting
blind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721522598.6U
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Chinese (zh)
Inventor
洪毅
吴丽圆
周静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jiangjin Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jiangjin Power Supply Co of State Grid Chongqing Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, Jiangjin Power Supply Co of State Grid Chongqing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201721522598.6U priority Critical patent/CN207353487U/en
Application granted granted Critical
Publication of CN207353487U publication Critical patent/CN207353487U/en
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Abstract

The utility model discloses a kind of cable connecting terminal, including wiring sleeve and connection terminal, one end of the wiring sleeve is equipped with the blind hole for conducting wire, and the other end is blind end;One end of the connection terminal and the blind end integrally connected of the wiring sleeve, the other end is free end, and the connection terminal is equipped with connecting hole;Be equipped with the blind hole with the matched gasket of its shape, be provided with a threaded hole connected with blind hole in the wiring sleeve lateral wall, the conducting wire in the wiring sleeve with the hold-down bolt that threaded hole matches by being pressed in the blind hole;The wiring sleeve lateral wall is equipped with the locking strap for being fixed on the hold-down bolt in the threaded hole to prevent hold-down bolt from exiting threaded hole, and locking strap is in be engaged arc with the shape of the wiring sleeve.

Description

Cable connecting terminal
Technical field
It the utility model is related to a kind of cable connecting terminal.
Background technology
In recent years, with the extensive use of power cable, the quantity of the tie point of power cable and aerial condutor increases Rapidly, connection method traditional in construction is that power cable end is osing, and osing front end is a circular hole, is installed at aerial condutor end Two perforation, in one perforation of wire clamp flat end processing, are pressed together, form power cable and led with aerial by device clamp with bolt The connection of line.Found according to operating experience for many years and statistics, in the failure of power cable, wire connection terminal failure (is mainly sent out Thermal fault, in addition with deformation, fracture etc.) account for more than the 90% of power cable total failare.There are following for traditional construction method Defect:First, by the connection of osing and device clamp, since osing flat horizontal surface is smaller, both contacts area are relatively limited, connect Contacting surface insufficient load current, causes contact surface to overheat;The conducting wire of different model needs to configure the product in matching aperture, causes into This increase and very flexible;Can only be that copper tip is connected with copper conductor, aluminum connecting terminal and aluminum conductor connect, versatility Difference;Copper-aluminium transition type wire connection terminal causes welding position generation to be broken, burn because of problems of welded quality and electrochemical reaction often, Security is poor;In addition special compression device is needed when crimp type wire connection terminal is installed, is especially connected with larger sectional area conducting wire When need heavy compression equipment, it is extremely inconvenient to install at the construction field (site), and when being installed by compression device, human factor causes Compression stress difference cause installation reliability unstable, easily there is conducting wire malcompression or the impaired situation of wire connection terminal.
Utility model content
The purpose of this utility model is to provide a kind of cable connecting terminal, its installation reliability is strong, can make copper aluminum steel it Between effectively convert, and convenient disassembly.
In order to solve the above technical problems, the utility model provides a kind of cable connecting terminal, including wiring sleeve and connection Terminal, one end of the wiring sleeve are equipped with the blind hole for conducting wire, and the other end is blind end;The one of the connection terminal End and the blind end integrally connected of the wiring sleeve, the other end is free end, and the connection terminal is equipped with connecting hole;Institute State be equipped with blind hole with the matched gasket of its shape, be provided with a screw thread connected with blind hole in the wiring sleeve lateral wall Hole, the conducting wire in the wiring sleeve with the hold-down bolt that threaded hole matches by being pressed in the blind hole;Institute State wiring sleeve lateral wall and be equipped with and be used to the hold-down bolt is fixed in the threaded hole to prevent hold-down bolt from exiting The locking strap of threaded hole, locking strap are in be engaged arc with the shape of the wiring sleeve;
The hold-down bolt includes threaded post, one end of the threaded post by the threaded hole extend into the blind hole with Conducting wire is compressed, the other end is equipped with tight lock part, and the diameter of the tight lock part is less than the diameter of the threaded post;The locking strap Middle part is equipped with limit hole, and the diameter of the limit hole is less than diameter of the diameter more than the tight lock part of the threaded post;Institute State tight lock part to be fixed in the limit hole, locking strap both ends are fixed on by fastener on the side wall of the wiring sleeve.
Further, the connection terminal is in flat.
Further, the end face of the free end of the connection terminal is equipped with limit protrusion, and the connection terminal connects with described One end of line sleeve connection is equipped with and the matched limiting slot of the limit protrusion.
Further, two connection terminals with the matched clamping screw of the connecting hole by being connected and passing through spiral shell Mother's locking, is equipped with disk spring washer between the nut and the connection terminal.
Further, the connection terminal is equipped with two connecting holes.
Further, wiring sleeve and connection terminal are integrally formed.
Further, it is equipped with reinforcing rib in the two side walls of the connection terminal.
Further, the reinforcing rib is stainless steel strip.
The beneficial effects of the utility model are:
1st, the wire connection terminal is adapted to sectional area from 25~95mm2The connection of scope inside conductor, and it is not only suitable for aluminium material Conducting wire is also applied for copper material conducting wire, can effectively solve the problems, such as that resistance increases under electrochemical action during copper-aluminium transition connection, with Reduce the loss of electric energy.
2nd, conducting wire is pressed in the blind hole of wiring sleeve by a hold-down bolt, ensure that under constant contact Conducting wire and wire connection terminal it is good electrically connect performance;Moreover, by the way that hold-down bolt is fixed in the threaded hole by locking strap, To prevent tight bolt from exiting threaded hole, installation reliability can be strengthened;In addition, the both ends of locking strap are respectively by least one tight Firmware is fixed on the lateral wall of wiring sleeve, conveniently detachable.
3rd, connection terminal is in flat, can increase the effective contact area of contact, make wire connection terminal reliable and stable.
4th, by set limit protrusion and with the matched limiting slot of limit protrusion, can be easily installed.
5th, by setting disk spring washer between nut and the connection terminal, it is possible to provide sufficient stress compensation, Effectively overcome load change and environmental change caused by expand with heat and contract with cold, wind swing it is dynamic, and then avoid connection loosen and loose contact.
6th, by setting two connecting holes on connection terminal, and two connection terminals are fixed by two clamping screws Together, can prevent from rotating against between two connection terminals, to improve stability.
7th, by setting reinforcing rib respectively in the two side walls of connection terminal, the toughness of connection terminal can be strengthened.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this The same or similar part, the schematic description and description of the application are represented using identical reference number in a little attached drawings For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings:
Fig. 1 is the top view of the utility model one embodiment;
Fig. 2 is the right side view of the wiring sleeve of the utility model one embodiment;
Fig. 3 is the structure diagram of the hold-down bolt of the utility model one embodiment;
Fig. 4 is the attachment structure schematic diagram of two connection terminals;
Fig. 5 is the left side view of the utility model one embodiment.
Wherein:1st, wiring sleeve;11st, limiting slot;2nd, connection terminal;21st, connecting hole;22nd, limit protrusion;3rd, spiral shell is compressed Bolt;31st, threaded post;32nd, tight lock part;4th, locking strap;41st, limit hole;42nd, fastener;5th, gasket;6th, reinforcing rib;7th, locking screw Bolt;8th, nut;9th, conducting wire.
Embodiment
Cable connecting terminal as depicted in figs. 1 and 2, including wiring sleeve 1 and connection terminal 2, the wiring sleeve 1 One end is equipped with the blind hole for conducting wire, and the other end is blind end;One end of the connection terminal 2 and the wiring sleeve 1 Blind end integrally connected, the other end is free end, and the connection terminal 2 is equipped with connecting hole 21;It is equipped with the blind hole With the matched gasket 5 of inner wall shape of blind hole, a threaded hole connected with blind hole is provided with 1 side wall of wiring sleeve, Conducting wire in the wiring sleeve 1 is pressed in the blind hole by the hold-down bolt 3 to match with threaded hole;It is described 1 lateral wall of wiring sleeve, which is equipped with, to be used to the hold-down bolt 3 is fixed in the threaded hole to prevent hold-down bolt 3 from exiting The locking strap 4 of threaded hole, locking strap 4 are in be engaged arc with the shape of the wiring sleeve 1.
The wire connection terminal is adapted to sectional area from 25~95mm2The connection of scope inside conductor, and be not only suitable for aluminium material and lead Line is also applied for copper material conducting wire, can effectively solve the problems, such as that resistance increases under electrochemical action during copper-aluminium transition connection, to subtract The loss of few electric energy.Conducting wire is pressed in the blind hole of wiring sleeve 1 by a hold-down bolt 3, ensure that in constant contact Pressure lower wire and wire connection terminal it is good electrically connect performance.
As shown in Fig. 2, the hold-down bolt 3 includes threaded post 31, one end of the threaded post 31 is prolonged by the threaded hole Stretch into the blind hole to compress conducting wire, the other end is equipped with tight lock part 32, and the diameter of the tight lock part 32 is less than the screw thread The diameter of column 31;The middle part of the locking strap 4 is equipped with limit hole 41, and the diameter of the limit hole 41 is less than the threaded post 31 Diameter be more than the tight lock part 32 diameter;The tight lock part 32 is fixed in the limit hole 41, and 4 both ends of locking strap pass through Fastener 42 is fixed on the side wall of the wiring sleeve 1.
, can to prevent tight bolt from exiting threaded hole by the way that hold-down bolt 3 is fixed in the threaded hole by locking strap 4 To strengthen installation reliability;In addition, the both ends of locking strap 4 are fixed on wiring sleeve 1 by least one fastener 42 respectively It is conveniently detachable on lateral wall.
According to one embodiment of the application, the connection terminal 2 is in flat, can increase the effective contact surface of contact Product, makes wire connection terminal reliable and stable.
According to one embodiment of the application, as shown in figure 5, the end face of the free end of the connection terminal 2 is equipped with spacing Protrusion 22, one end that the connection terminal 2 is connected with the wiring sleeve 1 are equipped with matched spacing with the limit protrusion 22 Limit protrusion 22 is embedded in limiting slot 11 by groove 11, when installation first, tentatively can be fixed two connection terminals 2, in order to pacify Clamping screw 7 is filled, two connection terminals 2 are locked.
According to one embodiment of the application, as shown in figure 4, two connection terminals by with 21 phase of connecting hole The clamping screw 7 of cooperation connects and by nut check, disk spring pad is equipped between the nut and the connection terminal 2 Circle, disk spring washer can provide abundance stress compensation, effectively overcome load change and environmental change caused by expand with heat and contract with cold, Wind swing it is dynamic, and then avoid connection loosen and loose contact.
According to one embodiment of the application, the connection terminal 2 is equipped with two connecting holes 21, and passes through two lockings Two connection terminals 2 are fixed together by bolt 7, can prevent from rotating against between two connection terminals 2, to improve stabilization Property.
According to one embodiment of the application, wiring sleeve 1 and connection terminal 2 are integrally formed, and technological process is short, easy to make Make, and structure is more stable.
According to one embodiment of the application, reinforcing rib 6, Ke Yizeng is equipped with the two side walls of the connection terminal 2 The toughness of strong ties terminal 2, makes connection terminal 2 be not easily broken the property of rupture;Wherein, the reinforcing rib 6 can be stainless steel strip.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model Enclose, it should all cover among the right of the utility model.

Claims (8)

1. a kind of cable connecting terminal, it is characterised in that including wiring sleeve and connection terminal, one end of the wiring sleeve is set The blind hole of conducting wire is useful for, the other end is blind end;One end of the connection terminal and the blind end of the wiring sleeve Integrally connected, the other end is free end, and the connection terminal is equipped with connecting hole;It is equipped with the blind hole and matches with its shape The gasket of conjunction, is provided with a threaded hole connected with blind hole in the wiring sleeve lateral wall, in the wiring sleeve Conducting wire with the hold-down bolt that threaded hole matches by being pressed in the blind hole;The wiring sleeve lateral wall, which is equipped with, to be used for The hold-down bolt is fixed on the locking strap in the threaded hole to prevent hold-down bolt from exiting threaded hole, locking strap is in and institute The shape for stating wiring sleeve is engaged arc;
The hold-down bolt includes threaded post, and one end of the threaded post is extended into the blind hole by the threaded hole to compress Conducting wire, the other end is equipped with tight lock part, and the diameter of the tight lock part is less than the diameter of the threaded post;The middle part of the locking strap Equipped with limit hole, and the diameter of the limit hole is less than diameter of the diameter more than the tight lock part of the threaded post;The lock Tight portion is fixed in the limit hole, and locking strap both ends are fixed on the side wall of the wiring sleeve by least one fastener On.
2. cable connecting terminal according to claim 1, it is characterised in that the connection terminal is in flat.
3. cable connecting terminal according to claim 1 or 2, it is characterised in that the end of the free end of the connection terminal Face is equipped with limit protrusion, and one end of the connection terminal and the wiring sleeve connection is equipped with matched with the limit protrusion Limiting slot.
4. cable connecting terminal according to claim 1 or 2, it is characterised in that two connection terminals by with institute State the matched clamping screw connection of connecting hole and by nut check, dish is equipped between the nut and the connection terminal Spring washer.
5. cable connecting terminal according to claim 1 or 2, it is characterised in that the connection terminal is equipped with two companies Connect hole.
6. cable connecting terminal according to claim 1 or 2, it is characterised in that the wiring sleeve and connection terminal one It is body formed.
7. according to the cable connecting terminal described in claim or 2, it is characterised in that in the two side walls of the connection terminal Equipped with reinforcing rib.
8. according to the cable connecting terminal described in claim or 7, it is characterised in that the reinforcing rib is stainless steel strip.
CN201721522598.6U 2017-11-15 2017-11-15 Cable connecting terminal Active CN207353487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721522598.6U CN207353487U (en) 2017-11-15 2017-11-15 Cable connecting terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721522598.6U CN207353487U (en) 2017-11-15 2017-11-15 Cable connecting terminal

Publications (1)

Publication Number Publication Date
CN207353487U true CN207353487U (en) 2018-05-11

Family

ID=62350387

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721522598.6U Active CN207353487U (en) 2017-11-15 2017-11-15 Cable connecting terminal

Country Status (1)

Country Link
CN (1) CN207353487U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108762121A (en) * 2018-05-31 2018-11-06 芜湖徽福电子科技有限公司 A kind of constant-current discharge controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108762121A (en) * 2018-05-31 2018-11-06 芜湖徽福电子科技有限公司 A kind of constant-current discharge controller

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