CN204760585U - T type connecting terminal that electrical equipment connects - Google Patents
T type connecting terminal that electrical equipment connects Download PDFInfo
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- CN204760585U CN204760585U CN201520458167.2U CN201520458167U CN204760585U CN 204760585 U CN204760585 U CN 204760585U CN 201520458167 U CN201520458167 U CN 201520458167U CN 204760585 U CN204760585 U CN 204760585U
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Abstract
The utility model discloses a T type connecting terminal that electrical equipment connects, it is T type electric conductor and the insulating whole piece that seals the T type rigid insulation cover of T type electric conductor, and the mechanical stability is good, increase contact resistance when avoiding connecting, the insulation of T type electric conductor is sealed in T type rigid insulation cover, only contacts the outer T type rigid insulation cover of electric conductor during the connection for with electricity connect safety, appear in the time of can avoiding connecting discharging, the potential safety hazard of short circuit and electric shock. The three link of T type electric conductor all adopts the threaded connection structure, and the joining method is simple, safe swift. The external screw thread head form that the threaded connection structure is corresponding with electrical equipment or the internal thread cast articulate of the electrically conductive body rod portion of T type are insulating closed with electrical equipment's joint. The joint of giving current electrical equipment installs insulating closed type connecting terminal head additional, and the operation is swift, the enclosed type is good, and durable is superior to greatly that prior art installs the mode of insulating cover again additional behind conductor connecting.
Description
Technical field
The utility model relates to a kind of electric equipment joint, is specifically related to a kind of T-shaped splicing ear joint of electric equipment joint.
Background technology
Current electric equipment is as wall bushing, instrument transformer, lightning arrester, the charged position of joint of switch 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, outside splicing ear, insulating case is installed additional again after connecting insulated conductor, the connection of insulated conductor and splicing ear, it is bad and contact resistance may be caused to increase thus make joint warming-up effect power supply reliability even cause the defect of security incident all to there is mechanical stability in the connection of splicing ear and electric equipment joint, also electric discharge is there is when connecting in addition, the potential safety hazard of short circuit and electric shock.The insulating case installed additional is 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 T-shaped splicing ear head of insulation and obturation for the exposed joint arrangement of electric equipment, meets connector insulation and the reliable requirement of power supply safety.
The utility model discloses a kind of T-shaped splicing ear joint of electric equipment joint, it 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, and the screw connection structure at T-shaped electric conductor head two ends is respectively internal thread hole and external screw thread head, the screw connection structure in bar portion is internal thread hole or is external screw thread head; Have the through hole for the T-shaped electric conductor of setting-in in T-shaped rigid insulation cover, wherein the aperture of the corresponding T-shaped electric conductor head external screw thread head end of head bore is greater than the external diameter of this external screw thread head, and the external diameter that T-shaped rigid insulation overlaps this end is greater than the external diameter of the other end; The head length of T-shaped rigid insulation cover is greater than the head length of T-shaped electric conductor, and the outer face in T-shaped conduction body rod portion is concordant with the outer face of T-shaped rigid insulation sleeved rod portion.
The screw connection structure in described T-shaped conduction body rod portion is internal thread hole, and the bar portion of described T-shaped rigid insulation cover is straight length, the through hole in setting-in T-shaped conduction body rod portion, Gan Bu center is the straight hole mated with T-shaped conduction body rod portion external diameter.
The screw connection structure in described T-shaped conduction body rod portion is external screw thread head, and the bar portion end outer wall of described T-shaped rigid insulation cover extends out and forms the conical surface, inwall corresponding T-shaped conduction body rod portion external screw thread head section
holefootpath is greater than
shouldthe external diameter of external screw thread head.
The supporting corresponding solenoid type in head two ends of this T-shaped splicing ear head or screw 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 conduction connector is external screw thread head, and the outer face of external screw thread head is positioned at the openend port of rigid insulation body.T-shaped splicing ear head, in a pre-installation with capping encapsulation, makes the electric conductor in its rigid insulation cover keep clean dry, also avoids the screw thread of its link to be damaged simultaneously.
T-shaped electric conductor of the present utility model and T-shaped rigid insulation cover are single piece, T-shaped electric conductor insulation and obturation is in T-shaped rigid insulation cover, the head length of T-shaped rigid insulation cover is greater than the head length of T-shaped electric conductor, and the head two ends that T-shaped rigid insulation is overlapped form arc control device respectively.The external screw thread head dummy corresponding to electric equipment by the screw connection structure in T-shaped conduction body rod portion or internal thread cast joint connect, the splice insulation of electric equipment closed, the splicing ear of butt joint stube cable or insulated conductor is passed through at the head two ends of T-shaped electric conductor.T-shaped electric conductor and T-shaped rigid insulation cover make the mechanically stable of splicing ear head good for single piece, increase contact resistance when avoiding connecting.T-shaped electric conductor insulation and obturation, in T-shaped rigid insulation cover, makes band electrical connection safety, occurs the potential safety hazard of electric discharge, short circuit and electric shock when can avoid connecting.Only contact the rigid insulation cover outside electric conductor during connection, method of attachment is simple, safe and efficient.
The conical surface of T-shaped rigid insulation sleeved rod portion end expands the contact area in itself and electric equipment splice insulation face, makes the cementing better tightness between two insulating surfaces.
In a word, the T-shaped splicing ear head of the utility model insulating enclosed type is installed additional to the joint that existing electric equipment is exposed, can be connected with the insulation and obturation splicing ear of cable or insulated conductor, make each junction all by insulation and obturation, swift to operate, closure good, durable in use, be greatly better than the mode that prior art installs insulating case again additional after electric conductor connects.
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 structure for amplifying schematic diagram of solenoid type capping.
Fig. 4 is the structure for amplifying schematic diagram of screw type capping.
Embodiment
Embodiment one, as shown in Figure 1, the T-shaped splicing ear joint of this electric equipment joint disclosed in the present embodiment, it is the single piece of the T-shaped rigid insulation cover 2 of the Ι type of the T-shaped electric conductor of Ι type 1 and the T-shaped electric conductor of insulation and obturation Ι type 1, and 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 through hole for the T-shaped electric conductor 1 of setting-in Ι type is had in Ι type T-shaped rigid insulation cover 2, wherein the aperture of the corresponding Ι type of head bore T-shaped electric conductor 1 head external screw thread head end is greater than the external diameter of this external screw thread head, and the external diameter of the T-shaped rigid insulation cover of Ι type 2 these ends is greater than the external diameter of the other end; The head length of Ι type T-shaped rigid insulation cover 2 is greater than the head length of the T-shaped electric conductor 1 of Ι type, and the head two ends insulation and obturation of the T-shaped electric conductor of Ι type 1 is in the T-shaped rigid insulation cover 2 of Ι type.The outer face in Ι type T-shaped electric conductor 1 bar portion is concordant with the outer face that the T-shaped rigid insulation of Ι type overlaps 2 bar portions.
The bar portion of Ι type T-shaped rigid insulation cover 2 is straight length, the through hole in setting-in Ι type T-shaped electric conductor 2 bar portion, Gan Bu center is the straight hole mated with Ι type T-shaped electric conductor 1 bar portion external diameter.
Supporting solenoid type capping and the screw type capping respectively at head two ends before this T-shaped splicing ear joint uses, 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 conduction connector 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.
After the bar portion of the T-shaped splicing ear joint of the present embodiment and the joint screw thread of electric equipment external screw thread head dummy connect as one, the former exposed male connection of electric equipment is by insulation and obturation, the two ends of T-shaped splicing ear head are by the splicing ear of butt joint stube cable or insulated conductor, because the head length of T-shaped rigid insulation cover is greater than the head length of T-shaped electric conductor, the head two ends that T-shaped rigid insulation is overlapped form arc control device respectively, so can hot line job be carried out, safe ready during docking operation.
When the T-shaped splicing ear joint of the present embodiment is connected with electric equipment joint, first on the contact-making surface of T-shaped splicing ear head and electric equipment joint, smear resin glue respectively, then T-shaped splicing ear head and electric equipment joint screw thread are connected as one, after resin glue is done, the contact-making surface of rigid insulation cover and electric equipment joint is cementing is integrated.
Embodiment two, as shown in Figure 2, the T-shaped splicing ear joint of this electric equipment joint disclosed in the present embodiment, it is the single piece of the II type T-shaped rigid insulation cover 2a of II type T-shaped electric conductor 1a and insulation and obturation II type T-shaped electric conductor 1a, and the screw connection structure of II type T-shaped electric conductor 1a head, two links is respectively internal thread hole and external screw thread head, the screw connection structure in bar portion is external screw thread head.The through hole for the T-shaped electric conductor 1a of setting-in II type is had in II type T-shaped rigid insulation cover 2a, the T-shaped rigid insulation of II type overlaps the head construction of head construction with the T-shaped rigid insulation cover 2 of Ι type of embodiment one of 2a, its bar portion end outer wall extends out and forms the conical surface, the through hole in its setting-in II type T-shaped electric conductor 1a bar portion, Gan Bu center is shoulder hole, and the aperture of this shoulder hole corresponding II type T-shaped electric conductor 1a bar portion external screw thread head section is greater than the external diameter of external screw thread head.The outer face in II type T-shaped electric conductor 1a bar portion is concordant with the outer face that the T-shaped rigid insulation of II type overlaps 2a bar portion.
The bar portion of the T-shaped splicing ear joint of the present embodiment and the joint screw thread of electric equipment internal thread cast connect as one, and the riffled tube outer wall of electric equipment joint inserts in the shoulder hole of T-shaped rigid insulation sleeved rod portion.Other structure of the present embodiment and with the attended operation of electric equipment joint with embodiment one.
The T-shaped electric conductor of the utility model above-described embodiment and rigid insulation cover are single piece, T-shaped electric conductor insulation and obturation is in rigid insulation cover, the external screw thread head dummy corresponding to electric equipment by the screw connection structure in T-shaped conduction body rod portion or internal thread cast joint connect, the splice insulation of electric equipment closed, the splicing ear of butt joint stube cable or insulated conductor is passed through at the head two ends of T-shaped electric conductor.T-shaped electric conductor and rigid insulation cover make the mechanically stable of splicing ear head good for single piece, increase contact resistance when avoiding connecting.T-shaped electric conductor insulation and obturation, in rigid insulation cover, makes band electrical connection safety, occurs the potential safety hazard of electric discharge, short circuit and electric shock when can avoid connecting.Only contact the rigid insulation cover outside electric conductor during connection, method of attachment is simple, safe and efficient.
In a word, the T-shaped splicing ear head of the utility model insulating enclosed type is installed additional to the joint that existing electric equipment is exposed, can be connected with the insulation and obturation splicing ear of cable or insulated conductor, make each junction all by insulation and obturation, swift to operate, closure good, durable in use, be greatly better than the mode that prior art installs insulating case again additional after electric conductor connects.
Claims (4)
1. the T-shaped splicing ear joint of an electric equipment joint, it is characterized in that: the single piece of the T-shaped rigid insulation cover that it is T-shaped electric conductor and the T-shaped electric conductor of insulation and obturation, the screw connection structure at T-shaped electric conductor head two ends is respectively internal thread hole and external screw thread head, the screw connection structure in bar portion is internal thread hole or is external screw thread head; Have the through hole for the T-shaped electric conductor of setting-in in T-shaped rigid insulation cover, wherein the aperture of the corresponding T-shaped electric conductor head external screw thread head end of head bore is greater than the external diameter of this external screw thread head, and the external diameter that T-shaped rigid insulation overlaps this end is greater than the external diameter of the other end; The head length of T-shaped rigid insulation cover is greater than the head length of T-shaped electric conductor, and the outer face in T-shaped conduction body rod portion is concordant with the outer face of T-shaped rigid insulation sleeved rod portion.
2. the T-shaped splicing ear joint of electric equipment joint according to claim 1, it is characterized in that: the screw connection structure in described T-shaped conduction body rod portion is internal thread hole, the bar portion of described T-shaped rigid insulation cover is straight length, the through hole in setting-in T-shaped conduction body rod portion, Gan Bu center is the straight hole mated with T-shaped conduction body rod portion external diameter.
3. the T-shaped splicing ear joint of electric equipment joint according to claim 1, it is characterized in that: the screw connection structure in described T-shaped conduction body rod portion is external screw thread head, the bar portion end outer wall of described T-shaped rigid insulation cover extends out and forms the conical surface, inwall corresponding T-shaped conduction body rod portion external screw thread head section
holefootpath is greater than
shouldthe external diameter of external screw thread head.
4. the T-shaped splicing ear joint of electric equipment joint according to claim 1, it is characterized in that: its supporting corresponding solenoid type in head two ends or screw 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 conduction connector is external screw thread head, and the outer face of external screw thread head is positioned at the openend port of rigid insulation body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458167.2U CN204760585U (en) | 2015-06-30 | 2015-06-30 | T type connecting terminal that electrical equipment connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458167.2U CN204760585U (en) | 2015-06-30 | 2015-06-30 | T type connecting terminal that electrical equipment connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204760585U true CN204760585U (en) | 2015-11-11 |
Family
ID=54475264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458167.2U Active CN204760585U (en) | 2015-06-30 | 2015-06-30 | T type connecting terminal that electrical equipment connects |
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| Country | Link |
|---|---|
| CN (1) | CN204760585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075617A (en) * | 2017-10-20 | 2018-05-25 | 合肥成科电子科技有限公司 | A kind of frequency converter for solar photovoltaic water pump that can drop power automatically |
| CN113410691A (en) * | 2020-03-17 | 2021-09-17 | 郓城县美尔森木业有限公司 | Circuit connector |
-
2015
- 2015-06-30 CN CN201520458167.2U patent/CN204760585U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075617A (en) * | 2017-10-20 | 2018-05-25 | 合肥成科电子科技有限公司 | A kind of frequency converter for solar photovoltaic water pump that can drop power automatically |
| CN113410691A (en) * | 2020-03-17 | 2021-09-17 | 郓城县美尔森木业有限公司 | Circuit connector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |