CN204760567U - Insulated wire L type connecting terminal - Google Patents

Insulated wire L type connecting terminal Download PDF

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Publication number
CN204760567U
CN204760567U CN201520458168.7U CN201520458168U CN204760567U CN 204760567 U CN204760567 U CN 204760567U CN 201520458168 U CN201520458168 U CN 201520458168U CN 204760567 U CN204760567 U CN 204760567U
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China
Prior art keywords
type
rigid insulation
splicing ear
insulated conductor
electro
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CN201520458168.7U
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Chinese (zh)
Inventor
邓晓廉
刘军志
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State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Training Center of State Grid Hunan Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Training Center of State Grid Hunan Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd, Training Center of State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520458168.7U priority Critical patent/CN204760567U/en
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Publication of CN204760567U publication Critical patent/CN204760567U/en
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Abstract

The utility model discloses an insulated wire L type connecting terminal, include by electrically conductive connector of L type and an insulating whole L type connecting terminal and the electro -insulating rubber pipe that seals the L type rigid insulation cover of the electrically conductive connector of L type, in the both ends position of the electrically conductive connector of L type, the thread connection structure, the diameter at electro -insulating rubber pipe both ends varies, big footpath end is connected in the one end outer wall of L type rigid insulation cover, the path end is connected in the outer wall of insulated wire insulating layer insulating closedly with insulated wire's connection lug, the internal diameter of big footpath end is not more than the external diameter of the corresponding link of L type rigid insulation cover, pass with connecting terminal's electrically conductive connector threaded connection as an organic wholely in the connection lug follow electro -insulating rubber pipe of insulated wire end. Only contact the rigid insulation material when L type connecting terminal and external connection, can connect with electricity, appear in the time of can avoiding connecting discharging, the potential safety hazard of short circuit and electric shock, screw thread connection convenient and fast, and it is stable to connect back mechanical properties, and area of contact is big, and electric conductive property is reliable.

Description

Insulated conductor L-type splicing ear
Technical field
The utility model relates to a kind of splicing ear of insulated conductor, is specifically related to a kind of insulated conductor L-type splicing ear.
Background technology
The joint charged position of current electric equipment as transformer, instrument transformer, lightning arrester, sulfur hexafluoride breaker etc. is outside exposed, the insulated conductor splicing ear be connected with electric equipment joint is also exposed, that insulated conductor is first connected with splicing ear during connection, splicing ear is connected with the joint of electric equipment again, and splicing ear installs insulating case additional after connecting insulated conductor again outside splicing ear.Connect and there is following defect: the potential safety hazard that also there is electric discharge, short circuit and electric shock during connection; During the connection of the connection of insulated conductor and splicing ear, splicing ear and electric equipment joint, securing member is too much, and transition piece is many, complex operation; Mechanical stability is bad, easily loosens and contact resistance may be caused to increase thus make joint warming-up effect power supply reliability even cause the defect of security incident.The insulating case installed additional is in addition that soft rubber material is made, on the one hand insulation and obturation weak effect, and easily distortion is aging on the other hand, there is potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of insulator seal closed form splicing ear component with electrical connection, makes quick, safe being connected with outside of insulated conductor, connects rear good mechanical stability, conduction reliability is strong.
The utility model discloses a kind of insulated conductor L-type splicing ear, comprise L-type splicing ear and electro-insulating rubber pipe, L-type splicing ear is the single piece of the L-type rigid insulation cover of L-type conduction connector and insulation and obturation L-type conduction connector; L-type conduction connector insulation and obturation is in the L-type rigid insulation cover of respective shapes, the screw connection structure at L-type conduction connector two ends is respectively internal thread hole and external screw thread head, wherein the outer face of external screw thread head end is positioned at the outer face of described L-type rigid insulation cover respective end, the outer face of internal thread nose end is concordant with the outer face that L-type rigid insulation overlaps respective end, and the internal diameter that L-type rigid insulation overlaps the external screw thread head end of corresponding L-type conduction connector is greater than the external diameter of external screw thread head; The diameter at electro-insulating rubber pipe two ends is not etc., one end outer wall, miner diameter end that bigger diameter end is connected to L-type rigid insulation cover are connected to the Wiring nose insulation and obturation of outer wall by insulated conductor of insulated conductor insulating barrier, and the internal diameter of bigger diameter end is less than or equal to the external diameter that L-type rigid insulation overlaps corresponding link; The Wiring nose of insulated conductor termination is integrated through being threaded with the bar portion of L-type conduction connector from electro-insulating rubber pipe.
The thread rotary orientation of described L-type conduction connector two ends screw connection structure is identical.
Rubber astragal is embedded with in the middle part of the outer wall that described L-type rigid insulation cover is corresponding with the concordant end in L-type conduction connector outer face.
Described rubber astragal is coated by electro-insulating rubber pipe.
The outer wall corresponding described rubber astragal position flexible collar of described electro-insulating rubber pipe clamps or tightens with nylon cable tie.
The supporting solenoid type in two ends of described L-type splicing ear or screw type capping, two kinds of cappings are rigid insulation body and are flush-mounted in the single piece of bonding conductor of its axial centre; The vertical sectional shape of solenoid type capping rigid insulation body is T-shaped, and its head and bar portion intersection have axial groove, and bonding conductor is the riffled tube that outer wall has locating ring; The vertical sectional shape of screw type capping rigid insulation body is U-shaped, and bonding conductor is screw rod, and the outer face of screw rod is positioned at the openend port of rigid insulation body.
Supporting corresponding rubber blanket when described solenoid type is connected to described L-type splicing ear with screw type capping.
The utility model to be threaded with the screw Wiring nose of insulated conductor termination by the concordant end of end face of L-type conduction connector and L-type rigid insulation body and to be integrated, the electro-insulating rubber pipe of this end outer wall is overlapped by screw Wiring nose insulation and obturation by L-type rigid insulation, the electric conductor of whole L-type splicing ear assembly is all by insulation and obturation, the other end of L-type splicing ear only contacts hard insulation when connecting with outside, can electrical connection be with, when can avoid connecting, occur the potential safety hazard of electric discharge, short circuit and electric shock.Be threaded connection convenient to operation when connecting between electric conductor, reduce securing member and transition piece, reduce potential safety hazard, and stable mechanical performance after connecting, contact area is large, and electric conductivity is reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of flexible collar.
Fig. 4 is the structure for amplifying schematic diagram of the solenoid type capping in embodiment one.
Fig. 5 is the structure for amplifying schematic diagram of the screw type capping in embodiment two.
Embodiment
Embodiment one, as shown in Figure 1, this insulated conductor L-type splicing ear disclosed in the present embodiment, comprises I type L-type conduction connector 1, I type L-type rigid insulation cover 2, electro-insulating rubber pipe 3 and rubber astragal 4.
The screw connection structure at I type L-type conduction connector 1 two ends is respectively the identical internal thread hole of thread rotary orientation and external screw thread head, wherein the outer face of external screw thread head end is positioned at the outer face that L-type rigid insulation overlaps 2 respective end, and the outer face of internal thread nose end is concordant with the outer face that L-type rigid insulation overlaps 2 respective end.The internal diameter that L-type rigid insulation overlaps the external screw thread head end of 2 corresponding L-type conduction connectors 1 is greater than the external diameter of external screw thread head.I type T-shaped conduction connector 1 insulation and obturation is formed L-type splicing ear by I type rigid insulation cover 2.Setting-in rubber astragal 4 in the middle part of the outer wall that I type L-type rigid insulation cover 2 is corresponding with the I concordant end in type L-type conduction connector 1 outer face.
The diameter at electro-insulating rubber pipe 3 two ends is not etc., screw Wiring nose 8 insulation and obturation of outer wall by insulated conductor 9 termination that bigger diameter end is connected to the I type L-type rigid insulation cover outer wall of 2 ends concordant with L-type conduction connector, miner diameter end is connected to insulated conductor 9 insulating barrier, the internal diameter of bigger diameter end is less than or equal to the external diameter that I type L-type rigid insulation overlaps 2.The screw Wiring nose 8 of insulated conductor 9 termination is integrated through being threaded with L-type conduction connector 1 from electro-insulating rubber pipe 3.
The installation step of the present embodiment is as follows: first to be crimped with the conductive cores of insulated conductor 9 termination by screw Wiring nose 8 and be integrated, then electro-insulating rubber pipe 3 is made to be placed on insulated conductor 9 through electro-insulating rubber pipe 3 screw Wiring nose 8, screw Wiring nose 8 is threaded to the corresponding link of I type L-type conduction connector 1 and is integrated: screw Wiring nose 8 is screwed in the internal thread hole of I type L-type conduction connector 1, then the bigger diameter end of electro-insulating rubber pipe 3 is placed on the respective end outer wall of I type L-type rigid insulation cover 2 by coated for rubber astragal 4, finally clamp in the position flexible collar 5 of the corresponding rubber astragal 4 of the outer wall of electro-insulating rubber pipe 3, make electro-insulating rubber pipe 3 and I type L-type rigid insulation overlap 2 firmly to fix.
The flexible collar of the present embodiment adopts the outsourcing piece of the metal material of structure as shown in Figure 3.The outsourcing piece of other similar structures can also be adopted.By large for electro-insulating rubber pipe clamp coefficient of friction on rubber astragal, good waterproof performance while making electro-insulating rubber pipe difficult drop-off.
The head two ends of this L-type splicing ear are by being connected with external screw-thread connector with the butt joint of electrical connection.
Before this L-type splicing ear uses, in its supporting solenoid type capping in electro-insulating rubber pipe opposite end, solenoid type capping is the single piece of rigid insulation body and the bonding conductor being flush-mounted in its axial centre, the vertical sectional shape of rigid insulation body is T-shaped, its head and bar portion intersection have axial groove, bonding conductor is the riffled tube that outer wall has locating ring, as shown in Figure 4.With capping encapsulation before installing, make the electric conductor in its rigid insulation cover keep clean dry, also avoid the screw thread of its link to be damaged simultaneously.Supporting rubber blanket when solenoid type capping is connected with splicing ear, moistureproof anti-loosening.
Embodiment two, as shown in Figure 2, this insulated conductor L-type splicing ear disclosed in the present embodiment, comprises II type L-type conduction connector 1a, II type L-type rigid insulation cover 2a, electro-insulating rubber pipe 3 and rubber astragal 4.The screw connection structure at II type L-type conduction connector 1a two ends is internal thread hole, and wherein the outer face of one end is positioned at the outer face of L-type rigid insulation cover 2a respective end, and the outer face of the other end is concordant with the outer face that II type L-type rigid insulation overlaps 2a respective end.Before this L-type splicing ear uses, the supporting supporting screw type capping in electro-insulating rubber pipe opposite end at splicing ear in its electro-insulating rubber pipe opposite end, the vertical sectional shape of solenoid type capping rigid insulation body is U-shaped, bonding conductor is screw rod, the outer face of screw rod is positioned at the openend port of rigid insulation body, as shown in Figure 5.Other structure of the present embodiment is with embodiment one.
The utility model to be threaded with the screw Wiring nose of insulated conductor termination by the concordant end of end face of L-type conduction connector and L-type rigid insulation body and to be integrated, the electro-insulating rubber pipe of this end outer wall is overlapped by screw Wiring nose insulation and obturation by L-type rigid insulation, the electric conductor of whole L-type splicing ear assembly is all by insulation and obturation, the other end of L-type splicing ear only contacts hard insulation when connecting with outside, can electrical connection be with, when can avoid connecting, occur the potential safety hazard of electric discharge, short circuit and electric shock.Be threaded connection convenient to operation when connecting between electric conductor, reduce securing member and transition piece, reduce potential safety hazard, and stable mechanical performance after connecting, contact area is large, and electric conductivity is reliable.

Claims (7)

1. an insulated conductor L-type splicing ear, is characterized in that: it comprises L-type splicing ear and electro-insulating rubber pipe, and L-type splicing ear is the single piece of the L-type rigid insulation cover of L-type conduction connector and insulation and obturation L-type conduction connector; L-type conduction connector insulation and obturation is in the L-type rigid insulation cover of respective shapes, the screw connection structure at L-type conduction connector two ends is respectively internal thread hole and external screw thread head, wherein the outer face of external screw thread head end is positioned at the outer face of described L-type rigid insulation cover respective end, the outer face of internal thread nose end is concordant with the outer face that L-type rigid insulation overlaps respective end, and the internal diameter that L-type rigid insulation overlaps the external screw thread head end of corresponding L-type conduction connector is greater than the external diameter of external screw thread head; The diameter at electro-insulating rubber pipe two ends is not etc., one end outer wall, miner diameter end that bigger diameter end is connected to L-type rigid insulation cover are connected to the Wiring nose insulation and obturation of outer wall by insulated conductor of insulated conductor insulating barrier, and the internal diameter of bigger diameter end is less than or equal to the external diameter that L-type rigid insulation overlaps corresponding link; The Wiring nose of insulated conductor termination is integrated through being threaded with the bar portion of L-type conduction connector from electro-insulating rubber pipe.
2. insulated conductor L-type splicing ear according to claim 1, is characterized in that: the thread rotary orientation of described L-type conduction connector two ends screw connection structure is identical.
3. insulated conductor L-type splicing ear according to claim 1, is characterized in that: be embedded with rubber astragal in the middle part of the outer wall that described L-type rigid insulation cover is corresponding with the concordant end in L-type conduction connector outer face.
4. insulated conductor L-type splicing ear according to claim 3, is characterized in that: described rubber astragal is coated by electro-insulating rubber pipe.
5. insulated conductor L-type splicing ear according to claim 4, is characterized in that: the outer wall corresponding described rubber astragal position flexible collar of described electro-insulating rubber pipe clamps or tightens with nylon cable tie.
6. insulated conductor L-type splicing ear according to claim 1, is characterized in that: the supporting solenoid type in two ends of described L-type splicing ear or screw type capping, and two kinds of cappings are rigid insulation body and are flush-mounted in the single piece of bonding conductor of its axial centre; The vertical sectional shape of solenoid type capping rigid insulation body is T-shaped, and its head and bar portion intersection have axial groove, and bonding conductor is the riffled tube that outer wall has locating ring; The vertical sectional shape of screw type capping rigid insulation body is U-shaped, and bonding conductor is screw rod, and the outer face of screw rod is positioned at the openend port of rigid insulation body.
7. insulated conductor L-type splicing ear according to claim 6, is characterized in that: supporting corresponding rubber blanket when described solenoid type is connected to described L-type splicing ear with screw type capping.
CN201520458168.7U 2015-06-30 2015-06-30 Insulated wire L type connecting terminal Active CN204760567U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520458168.7U CN204760567U (en) 2015-06-30 2015-06-30 Insulated wire L type connecting terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520458168.7U CN204760567U (en) 2015-06-30 2015-06-30 Insulated wire L type connecting terminal

Publications (1)

Publication Number Publication Date
CN204760567U true CN204760567U (en) 2015-11-11

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Application Number Title Priority Date Filing Date
CN201520458168.7U Active CN204760567U (en) 2015-06-30 2015-06-30 Insulated wire L type connecting terminal

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105470670A (en) * 2015-11-30 2016-04-06 徐忠 Cable wiring terminal and machining method therefor
CN108963485A (en) * 2018-07-16 2018-12-07 国网辽宁省电力有限公司盘锦供电公司 The moisture-proof connecting terminal of self-locking

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105470670A (en) * 2015-11-30 2016-04-06 徐忠 Cable wiring terminal and machining method therefor
CN105470670B (en) * 2015-11-30 2017-12-15 衢州众汇新材料科技有限公司 Cable connecting terminal and its processing method
CN108963485A (en) * 2018-07-16 2018-12-07 国网辽宁省电力有限公司盘锦供电公司 The moisture-proof connecting terminal of self-locking

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