CN204732816U - The T-shaped wall bushing of external screw thread - Google Patents
The T-shaped wall bushing of external screw thread Download PDFInfo
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- CN204732816U CN204732816U CN201520458034.5U CN201520458034U CN204732816U CN 204732816 U CN204732816 U CN 204732816U CN 201520458034 U CN201520458034 U CN 201520458034U CN 204732816 U CN204732816 U CN 204732816U
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- shaped
- rigid insulation
- insulation body
- bonding conductor
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- 238000009413 insulation Methods 0.000 claims abstract description 65
- 239000004020 conductor Substances 0.000 claims abstract description 45
- 230000010354 integration Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model discloses the T-shaped wall bushing of a kind of external screw thread, comprise the T-shaped body of T-shaped bonding conductor and its outside supporting T-shaped rigid insulation body integration, the connecting interface at T-shaped bonding conductor head two ends is male connection, bar portion connecting interface is internal thread interface, it is all embedded in the T-shaped through hole of T-shaped rigid insulation body no longer than the respective direction length of T-shaped rigid insulation body with the length in three directions, makes the end of T-shaped rigid insulation body form arc control device.The head outer wall of T-shaped rigid insulation body has the connecting ring in strap bolt hole.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 screw Wiring nose and T-shaped bonding conductor bar portion, and mechanical stability is strong.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 contact insulating material during operated by personnel, can charged docking operation be carried out, improve processing safety, reduce power failure range, improve power supply reliability.
Description
Technical field
The utility model relates to a kind of cable branch box wall bushing, is specifically related to the T-shaped wall bushing of a kind of internal thread 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 wall bushing integrated machine stability is strong, the T-shaped wall bushing that chargedly can carry out docking operation, improves processing safety and power supply reliability.
The utility model discloses the T-shaped wall bushing of a kind of external screw thread, 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 male connection, bar portion connecting interface is internal thread interface, and the head outer wall of T-shaped rigid insulation body has the connecting ring in strap bolt 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 cable connecting terminals, the other end connects by feed cable splicing ear.
The head two ends external diameter of described T-shaped rigid insulation body is greater than interlude external diameter, bar portion is straight tube, T-shaped through hole is had in T-shaped rigid insulation body, the aperture at the corresponding head two ends place of T-shaped through hole is greater than interlude aperture, described T-shaped bonding conductor stretches in large aperture, two ends with male connection and is flush-mounted in T-shaped through hole, 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 protection enclosure cover; protection enclosure cover is the single piece of bonding conductor and the integration of rigid insulation body; the vertical sectional shape of 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 riffled tube of described 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 protection enclosure cover rigid insulation body.
In the large aperture end of described T-shaped rigid insulation body head, 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 the T-shaped wall bushing of a kind of external screw thread, 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 male connection, bar portion connecting interface is internal thread interface, the head outer wall of T-shaped rigid insulation body 2 has the connecting ring 21 in strap bolt hole, T-shaped bonding conductor 1 head two ends connecting interface is male connection, bar portion connecting interface is internal thread interface.T-shaped rigid insulation body 2 head two ends external diameter is greater than interlude external diameter, bar portion is straight tube, T-shaped through hole is had in T-shaped rigid insulation body 2, the aperture at the corresponding head two ends place of T-shaped through hole is greater than interlude aperture, and T-shaped bonding conductor 1 stretches in large aperture, two ends 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 protection enclosure cover 5; protection enclosure cover 5 is the single piece of bonding conductor 51 and rigid insulation body 52 integration; the vertical sectional shape of rigid insulation body 52 is T-shaped; its head and bar portion intersection have axial groove 53, and bonding conductor 51 has the riffled tube of locating ring for outer wall.The riffled tube of protection enclosure cover 5 is connected with the male connection of T-shaped bonding conductor 1, and the head two ends of T-shaped rigid insulation body 2 are inserted in the groove 53 of corresponding protection enclosure cover 5 rigid insulation body 52 respectively.
Before T-shaped rigid insulation body is connected with protection enclosure cover, in the large aperture at its head two ends, supportingly in the male connection of T-shaped bonding conductor there is rubber blanket 6.
T-shaped body is before installation through walls is fixing, and electric power incoming line cable is connected as one by the internal thread interface in Wiring nose and T-shaped bonding conductor bar portion: first protection enclosure cover is inserted in cable, then packing ring, stress tube are inserted in cable; Wiring nose is inserted in cable core, crimps integral with cable core; Wiring nose is inserted cable joining room, rotates T-shaped wall bushing by Wiring nose fix tightly; Stress tube advance cable joining room, protection enclosure cover is tightened, cable and T-shaped wall bushing integral.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 bolt hole on external for T-shaped rigid insulation wall connecting ring and the bolt hole on European cable branch box dividing plate are aligned, by the bolt and corresponding nut passing bolt 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. the T-shaped wall bushing of external screw thread, 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 male connection, bar portion connecting interface is internal thread interface, and the head outer wall of T-shaped rigid insulation body has the connecting ring in strap bolt 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 cable connecting terminals, the other end connects by feed cable splicing ear.
2. the T-shaped wall bushing of external screw thread according to claim 1, it is characterized in that: the head two ends external diameter of described T-shaped rigid insulation body is greater than interlude external diameter, bar portion is straight tube, T-shaped through hole is had in T-shaped rigid insulation body, the aperture at the corresponding head two ends place of T-shaped through hole is greater than interlude aperture, described T-shaped bonding conductor stretches in large aperture, two ends with male connection and is flush-mounted in T-shaped through hole, 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. the T-shaped wall bushing of external screw thread according to claim 2; it is characterized in that: the head two ends of described T-shaped body are supporting protection enclosure cover; protection enclosure cover is the single piece of bonding conductor and the integration of rigid insulation body; the vertical sectional shape of rigid insulation body is T-shaped; its head and bar portion intersection have axial groove, and bonding conductor is the riffled tube that outer wall has locating ring.
4. the T-shaped wall bushing of external screw thread according to claim 3; it is characterized in that: the riffled tube of described 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 protection enclosure cover rigid insulation body.
5. the T-shaped wall bushing of external screw thread according to claim 3, is characterized in that: in the large aperture end of described T-shaped rigid insulation body head, supportingly in the male connection of T-shaped bonding conductor have rubber blanket.
6. the T-shaped wall bushing of external screw thread 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458034.5U CN204732816U (en) | 2015-06-30 | 2015-06-30 | The T-shaped wall bushing of external screw thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458034.5U CN204732816U (en) | 2015-06-30 | 2015-06-30 | The T-shaped wall bushing of external screw thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732816U true CN204732816U (en) | 2015-10-28 |
Family
ID=54391141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458034.5U Active CN204732816U (en) | 2015-06-30 | 2015-06-30 | The T-shaped wall bushing of external screw thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732816U (en) |
-
2015
- 2015-06-30 CN CN201520458034.5U patent/CN204732816U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |