CN204732554U - The T-shaped splicing ear of insulated conductor - Google Patents
The T-shaped splicing ear of insulated conductor Download PDFInfo
- Publication number
- CN204732554U CN204732554U CN201520458504.8U CN201520458504U CN204732554U CN 204732554 U CN204732554 U CN 204732554U CN 201520458504 U CN201520458504 U CN 201520458504U CN 204732554 U CN204732554 U CN 204732554U
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- Prior art keywords
- shaped
- splicing ear
- insulated conductor
- rigid insulation
- conductor
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- 239000004020 conductor Substances 0.000 title claims abstract description 80
- 238000009413 insulation Methods 0.000 claims abstract description 57
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 241001061264 Astragalus Species 0.000 claims description 11
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model discloses the T-shaped splicing ear of a kind of insulated conductor, comprise T-shaped splicing ear and electro-insulating rubber pipe, T-shaped splicing ear is the single piece of the T-shaped rigid insulation cover of T-shaped electric conductor and the T-shaped electric conductor of insulation and obturation; T-shaped electric conductor three links are screw connection structure, the diameter at electro-insulating rubber pipe two ends is not etc., bar portion outer wall, miner diameter end that bigger diameter end is connected to 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 not more than the external diameter of rigid insulation cover; The Wiring nose of insulated conductor termination is integrated through being threaded with the bar portion of T-shaped electric conductor from electro-insulating rubber pipe.T-shaped splicing ear and outside only contact hard insulation when connecting, can be with electrical connection, occurs discharging, the potential safety hazard of short circuit and electric shock when can avoid connecting, thread connecting mode is convenient and swift, and stable mechanical performance after connecting, contact area is large, and electric conductivity is reliable.
Description
Technical field
The utility model relates to a kind of connecting elements of insulated conductor, is specifically related to the T-shaped splicing ear of a kind of insulated conductor.
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 the T-shaped splicing ear of a kind of insulated conductor, comprise T-shaped splicing ear and electro-insulating rubber pipe, T-shaped splicing ear is the single piece of the T-shaped rigid insulation cover of T-shaped electric conductor and the T-shaped electric conductor of insulation and obturation; The screw connection structure of T-shaped electric conductor head two links is respectively internal thread hole and external screw thread head, the screw connection structure in bar portion is internal thread hole.The diameter at electro-insulating rubber pipe two ends is not etc., bar portion outer wall, miner diameter end that bigger diameter end is connected to 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 of T-shaped rigid insulation cover; The Wiring nose of insulated conductor termination is integrated through being threaded with the bar portion of T-shaped electric conductor from electro-insulating rubber pipe.
The head length of described T-shaped rigid insulation cover is greater than the head length of described T-shaped electric conductor, the external diameter that wherein external diameter of corresponding T-shaped electric conductor head external screw thread head end is greater than the external diameter of the other end, internal diameter is greater than external screw thread head, the outer face in T-shaped conduction body rod portion is concordant with the outer face of T-shaped rigid insulation sleeved rod portion.
Described T-shaped electric conductor head is identical with the thread rotary orientation of three links in bar portion.
Rubber astragal is embedded with in the middle part of the outer wall of described T-shaped rigid insulation sleeved rod portion.
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 head two ends of described T-shaped 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.With capping encapsulation before installing, make the T-shaped electric conductor in its rigid insulation cover keep clean dry, also avoid the screw thread of its link to be damaged simultaneously.
Supporting corresponding rubber blanket when described solenoid type is connected to described splicing ear with screw type capping, moistureproof anti-loosening.
The utility model to be threaded with the screw Wiring nose of insulated conductor termination by the bar portion of T-shaped electric conductor and to be integrated, by the electro-insulating rubber pipe of T-shaped rigid insulation sleeved rod portion outer wall by screw Wiring nose insulation and obturation, the electric conductor of whole T-shaped splicing ear assembly is all by insulation and obturation, T-shaped splicing ear head 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.
Fig. 2 is the structure for amplifying schematic diagram of the present embodiment Elastic clip.
Fig. 3 is the structure for amplifying schematic diagram of solenoid type capping.
Fig. 4 is the structure for amplifying schematic diagram of screw type capping.
Embodiment
As shown in Figure 1, this embodiment one disclosed in the present embodiment, as shown in Figure 1, the T-shaped splicing ear of this insulated conductor disclosed in the present embodiment, comprises T-shaped electric conductor 1, T-shaped rigid insulation cover 2, electro-insulating rubber pipe 3 and rubber astragal 4.
The screw connection structure of T-shaped electric conductor 1 head two links is respectively internal thread hole and external screw thread head, the screw connection structure in bar portion is internal thread hole.The head length of T-shaped rigid insulation cover 2 is greater than the head length of T-shaped electric conductor 1, the external diameter that wherein external diameter of corresponding T-shaped electric conductor 1 head external screw thread head end is greater than the external diameter of the other end, internal diameter is greater than external screw thread head, the outer face in T-shaped electric conductor 1 bar portion is concordant with the outer face that T-shaped rigid insulation overlaps 2 bar portions.I type T-shaped electric conductor 1 insulation and obturation is formed T-shaped splicing ear by I type rigid insulation cover 2.Setting-in rubber astragal 4 in the middle part of the outer wall that T-shaped rigid insulation overlaps 2 bar portions.
The diameter at electro-insulating rubber pipe 3 two ends is not etc., outer wall, miner diameter end that bigger diameter end is connected to rigid insulation cover 2 are connected to screw Wiring nose 8 insulation and obturation of outer wall by insulated conductor 9 of insulated conductor 9 insulating barrier, and the internal diameter of bigger diameter end is less than or equal to the external diameter of rigid insulation cover 2.The screw Wiring nose 8 of insulated conductor 9 termination is integrated through being threaded with the T-shaped electric conductor 1 of I type of splicing ear 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 with the bar portion of the T-shaped electric conductor of I type 1 and is integrated: screw Wiring nose 8 is screwed in the internal thread hole in I type T-shaped electric conductor 1 bar portion, then the bigger diameter end of electro-insulating rubber pipe 3 is placed on the bar portion outer wall of I type T-shaped 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 the T-shaped rigid insulation of I type 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 2.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 T-shaped splicing ear are by being connected with external screw-thread connector with the butt joint of electrical connection.
The T-shaped splicing ear of the present embodiment uses front supporting solenoid type capping and the screw type capping respectively at its head two ends, and as shown in Figure 3, the structure of screw type capping as shown in Figure 4 for the structure of solenoid type capping.Two kinds of cappings are rigid insulation body and insulation and obturation in the single piece of the 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 electric conductor is external screw thread head, and the outer face of external screw thread head is positioned at the openend port of rigid insulation body.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 capping is connected with splicing ear, moistureproof anti-loosening.
The utility model to be threaded with the screw Wiring nose of insulated conductor termination by the bar portion of T-shaped electric conductor and to be integrated, by the electro-insulating rubber pipe of T-shaped rigid insulation sleeved rod portion outer wall by screw Wiring nose insulation and obturation, the electric conductor of whole T-shaped splicing ear assembly is all by insulation and obturation, T-shaped splicing ear head 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 (8)
1. the T-shaped splicing ear of insulated conductor, is characterized in that: it comprises T-shaped splicing ear and electro-insulating rubber pipe, and T-shaped splicing ear is the single piece of the T-shaped rigid insulation cover of T-shaped electric conductor and the T-shaped electric conductor of insulation and obturation; The screw connection structure of T-shaped electric conductor head two links is respectively internal thread hole and external screw thread head, the screw connection structure in bar portion is internal thread hole, the diameter at electro-insulating rubber pipe two ends is not etc., bar portion outer wall, miner diameter end that bigger diameter end is connected to 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 of T-shaped rigid insulation sleeved rod portion; The Wiring nose of insulated conductor termination is integrated through being threaded with the bar portion of T-shaped electric conductor from electro-insulating rubber pipe.
2. the T-shaped splicing ear of insulated conductor according to claim 1, it is characterized in that: the head length of described T-shaped rigid insulation cover is greater than the head length of described T-shaped electric conductor, the external diameter that wherein external diameter of corresponding T-shaped electric conductor head external screw thread head end is greater than the external diameter of the other end, internal diameter is greater than external screw thread head, the outer face in T-shaped conduction body rod portion is concordant with the outer face of T-shaped rigid insulation sleeved rod portion.
3. the T-shaped splicing ear of insulated conductor according to claim 2, is characterized in that: described T-shaped electric conductor head is identical with the thread rotary orientation of three links in bar portion.
4. the T-shaped splicing ear of insulated conductor according to claim 3, is characterized in that: be embedded with rubber astragal in the middle part of the outer wall of described T-shaped rigid insulation sleeved rod portion.
5. the T-shaped splicing ear of insulated conductor according to claim 4, is characterized in that: described rubber astragal is coated by electro-insulating rubber pipe.
6. the T-shaped splicing ear of insulated conductor according to claim 5, 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.
7. the T-shaped splicing ear of insulated conductor according to claim 1, it is characterized in that: the supporting solenoid type in head two ends of described T-shaped 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.
8. the T-shaped splicing ear of insulated conductor according to claim 7, is characterized in that: supporting corresponding rubber blanket when described solenoid type is connected to described splicing ear with screw type capping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458504.8U CN204732554U (en) | 2015-06-30 | 2015-06-30 | The T-shaped splicing ear of insulated conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458504.8U CN204732554U (en) | 2015-06-30 | 2015-06-30 | The T-shaped splicing ear of insulated conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732554U true CN204732554U (en) | 2015-10-28 |
Family
ID=54390882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458504.8U Active CN204732554U (en) | 2015-06-30 | 2015-06-30 | The T-shaped splicing ear of insulated conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732554U (en) |
-
2015
- 2015-06-30 CN CN201520458504.8U patent/CN204732554U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |