CN204793990U - T type wall bushing - Google Patents

T type wall bushing Download PDF

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Publication number
CN204793990U
CN204793990U CN201520457879.2U CN201520457879U CN204793990U CN 204793990 U CN204793990 U CN 204793990U CN 201520457879 U CN201520457879 U CN 201520457879U CN 204793990 U CN204793990 U CN 204793990U
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CN
China
Prior art keywords
shaped
rigid insulation
bonding conductor
head
type
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Active
Application number
CN201520457879.2U
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Chinese (zh)
Inventor
邓晓廉
刘军志
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Technology And Skill Training Center State Grid Hunan Electric Power Co
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Original Assignee
Technology And Skill Training Center State Grid Hunan Electric Power Co
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
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Application filed by Technology And Skill Training Center State Grid Hunan Electric Power Co, State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd filed Critical Technology And Skill Training Center State Grid Hunan Electric Power Co
Priority to CN201520457879.2U priority Critical patent/CN204793990U/en
Application granted granted Critical
Publication of CN204793990U publication Critical patent/CN204793990U/en
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Abstract

The utility model discloses an electrified wall bushing of connecting of T type, including the T type body of T type bonding conductor with its outside supporting T type rigid insulation body integration, it is internal thread interface with internal thread interface, pole portion interface that the connection interface at T type bonding conductor head both ends is outer screwed joint respectively, and it is embedded in it with the equal no longer than T type rigid insulation body's of the length of three direction corresponding direction length, messenger T type rigid insulation body's tip formation explosion chamber. T type rigid insulation body's head outer wall has the go -between of taking the mounting hole. Wall installation is being worn before fixed to T type body, and the power inlet wire cable internal thread interface through connection lug and T type bonding conductor pole portion earlier is connected as an organic wholely, and the mechanical stability is strong. T type bonding conductor and power be qualified for the next round of competitions the cable junction terminal with the tie point that receives power cable junction terminal all at the explosion chamber in, only contact insulating material when the staff operates, can carry out electrified butt -joint operation, improvement operational safety, enhancing power supply reliability.

Description

T-shaped wall bushing
Technical field
The utility model relates to a kind of cable branch box wall bushing, is specifically related to a kind of T-shaped wall bushing with electrical connection.
Background technology
Current cable branch box is using wedge solenoid type wall bushing as connection busbar, and American cable branch box using screw type wall bushing as connection busbar, then realizes cable branch or switching by the connecting elements be connected with wall bushing.The wall bushing of two kinds of structures is linear structure, incoming power cable is connected with wall bushing by front connector and conducting rod, be connected with wall bushing by rear joint and conducting rod by feed cable, then front connector and rear joint are connected with other joint by transition joint and conducting rod, conducting rod and front, rear joint and transition joint are split part, following defect is there is: conducting rod part connects and the connection of outer insulations need be carried out one by one when connecting, operation is loaded down with trivial details, and it is poor that feed cable can be caused to connect rear stability, must have a power failure when connecting in addition, electrical connection can not be with, affect power supply reliability, cause economic loss.
Utility model content
The purpose of this utility model is to provide a kind of electric power incoming line cable and the high T-shaped wall bushing of wall bushing integrated machine stability, improves processing safety and power supply reliability.
The utility model discloses a kind of T-shaped wall bushing, comprise the T-shaped body of T-shaped bonding conductor and its outside supporting T-shaped rigid insulation body integration, T-shaped bonding conductor is all embedded in T-shaped rigid insulation body no longer than the respective direction length of T-shaped rigid insulation body with the length in three directions, the connecting interface at T-shaped bonding conductor head two ends is respectively male connection and internal thread interface, bar portion connecting interface is internal thread interface, and the head outer wall of T-shaped rigid insulation body has the connecting ring of band installing hole; The bar portion internal thread interface of electric power incoming line cable and T-shaped bonding conductor connects as one, and one end of T-shaped body head connects power outlet splicing ear, the other end connects by power connector end.
Head pipe one end diameter of described T-shaped rigid insulation body increases, bar portion is straight tube, T-shaped through hole is had in T-shaped rigid insulation body, the corresponding increase in aperture of T-shaped through hole corresponding head pipe larger diameter end, described T-shaped bonding conductor stretches into male connection and is flush-mounted in T-shaped through hole in the large aperture of T-shaped rigid insulation body head pipe, the bar subordinate end of T-shaped rigid insulation body is cable joining room, be furnished with stress tube in cable joining room, the outer wall bottom of corresponding cable joining room has ground lead connecting hole, end to be connected with rigid insulation capping by external screw thread.
The head two ends of described T-shaped body are supporting respectively solenoid type and screw type protection enclosure cover, and solenoid type and screw type protection enclosure cover 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 protection enclosure cover 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 protection enclosure cover 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.
The bonding conductor of described solenoid type protection enclosure cover is connected with the male connection of described T-shaped bonding conductor, and the end of described T-shaped rigid insulation body is inserted in the groove of solenoid type protection enclosure cover rigid insulation body; The periphery that screw type protection enclosure cover is threaded with the internal thread interface of described T-shaped bonding conductor head with metal screw, the openend of rigid insulation body is placed on described T-shaped rigid insulation body.
In the end, large aperture of described T-shaped rigid insulation body, supportingly in the male connection of T-shaped bonding conductor there is rubber blanket.
The axial centre of described rigid insulation capping has the shoulder hole passed for electric power incoming line cable, and the bigger diameter end inwall of shoulder hole has the internal thread supporting with described T-shaped rigid insulation body rod portion end.
T-shaped body of the present utility model is before installation through walls is fixing; electric power incoming line cable is first connected as one by the internal thread interface in Wiring nose and T-shaped bonding conductor bar portion; mechanical stability is strong; protection enclosure cover is taken off during installation through walls; by head one end of T-shaped body through the installing hole on European cable branch box dividing plate; again the installing hole on external for T-shaped rigid insulation wall connecting ring and the installing hole on European cable branch box dividing plate are aligned, by bolt and corresponding nut, T-shaped rigid insulation body is fixed on dividing plate.
Due to the integral part that T-shaped body is T-shaped bonding conductor and T-shaped rigid insulation body, and the length of T-shaped rigid insulation body is greater than the length of T-shaped bonding conductor, namely T-shaped bonding conductor is by the inside of insulation and obturation in T-shaped rigid insulation body, the end of T-shaped rigid insulation body forms arc control device, make the male connection of T-shaped bonding conductor and power outlet cable connecting terminals and be all in arc control device by the tie point of feed cable splicing ear, only insulating material is contacted during operated by personnel, thus can charged docking operation be carried out, reduce power failure range, improve power supply reliability.
With protection enclosure cover encapsulation before the utility model uses, make the T-shaped bonding conductor in T-shaped rigid insulation body keep clean dry, also avoid the screw thread of T-shaped bonding conductor to be damaged simultaneously.Arranging of rubber blanket can prevent loosening and having waterproof and dampproof effect of protection enclosure cover.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, present embodiment discloses a kind of T-shaped wall bushing, comprise the T-shaped body of T-shaped bonding conductor 1 and its outside supporting T-shaped rigid insulation body 2 integration, the respective direction length that T-shaped bonding conductor 1 is all less than T-shaped rigid insulation body 2 with the length in three directions is embedded in T-shaped rigid insulation body 2, the connecting interface at T-shaped bonding conductor 1 head two ends is respectively male connection and internal thread interface, bar portion connecting interface is internal thread interface, and the head outer wall of T-shaped rigid insulation body 2 has the connecting ring 21 of band installing hole.
Head pipe one end diameter of T-shaped rigid insulation body 2 increases, bar portion is straight tube.T-shaped through hole is had, the corresponding increase in aperture of T-shaped through hole corresponding head pipe larger diameter end in T-shaped rigid insulation body 2.T-shaped bonding conductor 1 stretches in the large aperture of T-shaped rigid insulation body 2 head pipe with male connection and is flush-mounted in T-shaped through hole.The bar subordinate end of T-shaped rigid insulation body 2 is cable joining room 22, and be furnished with stress tube 3 in cable joining room 22, the outer wall bottom of corresponding cable joining room 22 has ground lead connecting hole 23, end to be connected with rigid insulation capping 4 by external screw thread.
The head two ends of T-shaped body are supporting respectively solenoid type protection enclosure cover 5 and screw type protection enclosure cover 7, and solenoid type and screw type protection enclosure cover 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 protection enclosure cover 5 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 protection enclosure cover 7 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.
The bonding conductor of solenoid type protection enclosure cover 5 is connected with the male connection of T-shaped bonding conductor 1, and the end of T-shaped rigid insulation body 2 is inserted in the groove of solenoid type protection enclosure cover 5 rigid insulation body; Screw type protection enclosure cover 7 is threaded with the internal thread interface of T-shaped bonding conductor 1 head with metal screw, the openend of rigid insulation body is placed on the periphery of T-shaped rigid insulation body 2.
Before T-shaped rigid insulation body 2 is connected with protection enclosure cover, in the large aperture end of its head, supportingly in the male connection of T-shaped bonding conductor 1 there is rubber blanket 6.
T-shaped body is before installation through walls is fixing, and electric power incoming line cable is first connected as one by the internal thread interface in Wiring nose and T-shaped bonding conductor bar portion, and mechanical stability is strong.Protection enclosure cover is taken off during installation through walls; by head one end of T-shaped body through the installing hole on European cable branch box dividing plate; again the installing hole on external for T-shaped rigid insulation wall connecting ring and the installing hole on European cable branch box dividing plate are aligned, by the bolt and corresponding nut passing installing hole, T-shaped rigid insulation body is fixed on dividing plate.
Due to the integral part that T-shaped body is T-shaped bonding conductor and T-shaped rigid insulation body, and the length of T-shaped rigid insulation body is greater than the length of T-shaped bonding conductor, namely T-shaped bonding conductor is by the inside of insulation and obturation in T-shaped rigid insulation body, the end of T-shaped rigid insulation body forms arc control device, the tie point of T-shaped bonding conductor is all in arc control device, during operated by personnel, only contacts insulating material, thus can charged docking operation be carried out, reduce power failure range, improve power supply reliability.
With protection enclosure cover encapsulation before the utility model uses, make the T-shaped bonding conductor in T-shaped rigid insulation body keep clean dry, also avoid the screw thread of T-shaped bonding conductor to be damaged simultaneously.Arranging of rubber blanket can prevent loosening and having waterproof and dampproof effect of protection enclosure cover.

Claims (6)

1. a T-shaped wall bushing, it is characterized in that: it comprises the T-shaped body of T-shaped bonding conductor and its outside supporting T-shaped rigid insulation body integration, T-shaped bonding conductor is all embedded in T-shaped rigid insulation body no longer than the respective direction length of T-shaped rigid insulation body with the length in three directions, the connecting interface at T-shaped bonding conductor head two ends is respectively male connection and internal thread interface, bar portion connecting interface is internal thread interface, and the head outer wall of T-shaped rigid insulation body has the connecting ring of band installing hole; The bar portion internal thread interface of electric power incoming line cable and T-shaped bonding conductor connects as one, and one end of T-shaped body head connects power outlet splicing ear, the other end connects by power connector end.
2. T-shaped wall bushing according to claim 1, it is characterized in that: head one end diameter of described T-shaped rigid insulation body increases, bar portion is straight tube, T-shaped through hole is had in T-shaped rigid insulation body, the corresponding increase in aperture of the corresponding head larger diameter end of T-shaped through hole, described T-shaped bonding conductor stretches into male connection and is flush-mounted in T-shaped through hole in the large aperture of T-shaped rigid insulation body head pipe, the bar subordinate end of T-shaped rigid insulation body is cable joining room, stress tube is furnished with in cable joining room, ground lead connecting hole is arranged at the outer wall bottom of corresponding cable joining room, end is connected with rigid insulation capping by external screw thread.
3. T-shaped wall bushing according to claim 2, it is characterized in that: the head two ends of described T-shaped body are supporting respectively solenoid type and screw type protection enclosure cover, solenoid type and screw type protection enclosure cover 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 protection enclosure cover 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 protection enclosure cover 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.
4. T-shaped wall bushing according to claim 3, it is characterized in that: the bonding conductor of described solenoid type protection enclosure cover is connected with the male connection of described T-shaped bonding conductor, the end of described T-shaped rigid insulation body is inserted in the groove of solenoid type protection enclosure cover rigid insulation body; The periphery that screw type protection enclosure cover is threaded with the internal thread interface of described T-shaped bonding conductor head with metal screw, the openend of rigid insulation body is placed on described T-shaped rigid insulation body.
5. T-shaped wall bushing according to claim 3, is characterized in that: in the end, large aperture of described T-shaped rigid insulation body, supportingly in the male connection of T-shaped bonding conductor have rubber blanket.
6. T-shaped wall bushing according to claim 3, it is characterized in that: the axial centre of described rigid insulation capping has the shoulder hole passed for electric power incoming line cable, the bigger diameter end inwall of shoulder hole has the internal thread supporting with described T-shaped rigid insulation body rod portion end.
CN201520457879.2U 2015-06-30 2015-06-30 T type wall bushing Active CN204793990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520457879.2U CN204793990U (en) 2015-06-30 2015-06-30 T type wall bushing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520457879.2U CN204793990U (en) 2015-06-30 2015-06-30 T type wall bushing

Publications (1)

Publication Number Publication Date
CN204793990U true CN204793990U (en) 2015-11-18

Family

ID=54533973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520457879.2U Active CN204793990U (en) 2015-06-30 2015-06-30 T type wall bushing

Country Status (1)

Country Link
CN (1) CN204793990U (en)

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