CN209948520U - Female joint sleeve - Google Patents
Female joint sleeve Download PDFInfo
- Publication number
- CN209948520U CN209948520U CN201921286808.5U CN201921286808U CN209948520U CN 209948520 U CN209948520 U CN 209948520U CN 201921286808 U CN201921286808 U CN 201921286808U CN 209948520 U CN209948520 U CN 209948520U
- Authority
- CN
- China
- Prior art keywords
- insulating
- insulating shell
- electric conductor
- shell
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Insulating Bodies (AREA)
Abstract
The utility model discloses a bus-bar sleeve, which comprises an insulating shell and an electric conductor; the insulating shell is of a cover-shaped structure to form a conical cavity, the open end of the insulating shell is provided with an annular mounting part, the closed end of the insulating shell is provided with a through hole, the annular mounting part is provided with a plurality of mounting holes, and the outer wall of the insulating shell is provided with an umbrella skirt structure; one end of the electric conductor is fixed in the through hole to form a fixed end, and a connecting hole is formed in the central axis of the fixed end; the other end of the electric conductor is inserted in the conical cavity of the insulating shell to form a contact end. The utility model discloses a female sleeve pipe of ally oneself with has increased the full skirt structure on the shell, has increaseed the creepage distance of bulb contact end to the cabinet body that has ground connection, makes it can be applicable to the multiple gaseous cabinet of aerifing.
Description
Technical Field
The utility model relates to an aerify cabinet accessory field, concretely relates to female sleeve pipe that allies oneself with.
Background
The inflatable cabinet installs each high-voltage electrical apparatus functional unit in a sealed box, and the box is inside to fill insulating gas, guarantees that it can operate safely and reliably under harsh environmental condition. The bus-bar sleeve is used as a fitting for connecting the bus-bar of the inflatable cabinet and has a very important function.
The shell of the existing bus-bar sleeve is mostly a smooth surface, so that the creepage distance of the contact end surface installed in the sleeve to the grounded cabinet body is smaller, and the shell can only be suitable for a small part of insulating gas-filled cabinets.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a great bus sleeve pipe of creepage distance in order to solve certain defect or problem that exists among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bus bar sleeve comprises an insulating shell and an electric conductor; the method is characterized in that: the insulating shell is of a cover-shaped structure to form a conical cavity, the open end of the insulating shell is provided with an annular mounting part, the closed end of the insulating shell is provided with a through hole, the annular mounting part is provided with a plurality of mounting holes, and the outer wall of the insulating shell is provided with an umbrella skirt structure; one end of the electric conductor is fixed in the through hole to form a fixed end, and a connecting hole is formed in the central axis of the fixed end; the other end of the electric conductor is inserted in the conical cavity of the insulating shell to form a contact end.
Preferably, the umbrella skirt structure is a plurality of insulation bulges arranged on the insulation shell in a surrounding manner, and the insulation bulges are arranged at intervals.
Preferably, the whole insulating casing is conical, the diameter of the insulating bulge is larger than that of the annular mounting part, the diameter of the insulating bulge is closest to the annular mounting part, and the diameter of the insulating bulge is smallest and closest to the closed end of the insulating casing.
Preferably, the whole insulating casing is the tapered, insulating protruding have major diameter and minor diameter two kinds, the insulating protruding interlude of minor diameter set up with between the insulating protruding of major diameter.
Preferably, the annular mounting part is provided with an annular groove for placing a sealing element.
Preferably, a plurality of grooves are formed in the fixing end of the electric conductor, and convex portions matched with the grooves are formed in the inner wall of the through hole.
Preferably, the contact end of the electrical conductor is of a ball type.
Preferably, the insulating housing is made of epoxy by injection molding.
Preferably, the insulating shell and the electric conductor are fixedly connected into a whole through casting.
Compared with the background art, the utility model, it has following advantage:
the utility model discloses a female sleeve pipe of ally oneself with is interior taper type, has increased the full skirt structure on the shell, has increaseed bulb contact end and has been applicable to the multiple gaseous aerifys cabinet in the creepage distance of the cabinet body that has grounded.
Drawings
In order to more clearly illustrate the technical solution of the embodiments, the drawings needed to be used are briefly described as follows:
fig. 1 is a sectional view of the female coupling sleeve of the present invention.
Fig. 2 is a first perspective view of the bus coupling sleeve of the present invention.
Fig. 3 is a second perspective view of the bus coupling sleeve of the present invention.
Reference numerals: the insulation shell 1, the annular mounting portion 11, the mounting hole 11-1, the annular groove 11-2, the through hole 12, the conical cavity 13, the umbrella skirt structure 14, the electric conductor 2, the contact end 21 and the connecting hole 22.
Detailed Description
In the description of the present invention, the directions or positional relationships indicated by "upper" and "lower" are used as the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and the indication or suggestion that the indicated device must have a specific direction, be constructed and operated in a specific direction is not intended to limit the scope of the present invention.
First embodiment, referring to fig. 1 to 3, the female coupling sleeve of the present invention is composed of an insulating housing 1 and an electric conductor 2.
In the embodiment, the insulating shell 1 of the female coupling sleeve is in a cover-shaped structure and integrally formed into a circular truncated cone shape, and a conical cavity 13 is formed in the middle of the insulating shell, so that the conical degree of the inner conical female coupling sleeve conforms to the new regulation of national network; the open end of the insulating shell 1 is provided with an annular mounting part 11, the closed end is provided with a through hole 12 for mounting the electric conductor 2, and the inner wall of the through hole 12 is provided with a plurality of convex parts; the annular mounting part 11 is specifically an annular flange, a plurality of mounting holes 11-1 are formed in the annular mounting part 11, and the mounting holes 11-1 are used for being matched with nuts to fix the insulating shell 1; the annular installation part is also provided with an annular groove 11-2 for placing a sealing element; the outer wall of the insulating shell 1 is provided with an umbrella skirt structure 14, the umbrella skirt structure 14 is composed of insulating bulges 14-1, the insulating bulges 14-1 are annular and are arranged on the insulating shell 1 in a surrounding manner, the insulating bulges 14-1 are arranged at intervals, the insulating bulges 14-1 have a large diameter and a small diameter, the insulating bulges 14-1 with the large diameter are arranged on the insulating shell from top to bottom in a distributed manner, the insulating bulges 14-1 with the small diameter are arranged among the insulating bulges with the large diameter in an inserting manner, so that the outermost ends of the insulating bulges 14-1 are not on the same straight line, and creepage can be prevented from being formed at the outermost ends of the insulating bulges 14-1; the insulation protrusion 14-1 is integrally injection-molded with the insulation case 1, and the insulation case 1 of the present embodiment is made of epoxy resin.
In this embodiment, the electrical conductor 2 of the female coupling sleeve is rod-shaped, the electrical conductor 2 is divided into a fixed end and a contact end 21, a connecting hole 22 is formed in the central axis of the fixed end, a plurality of grooves matched with the convex portions formed in the inner walls of the through holes 12 are formed in the fixed end, and the head of the contact end 21 is spherical.
The insulating housing 1 and the electric conductor 2 of the bus coupling bushing of the present embodiment are assembled as follows:
the electric conductor 2 is hermetically fixed in the through hole 12 of the insulating shell, the groove of the fixed end of the electric conductor 2 is matched with the protrusion of the through hole 12 for multiple fixation, the sealing performance is better, and the contact end 21 of the electric conductor 2 is inserted in the conical cavity 13 of the insulating shell 1. The umbrella skirt structure 14 of the insulating shell 1 increases the creepage distance of the contact end 21 to the grounded cabinet body, so that the insulating shell can be suitable for various gas-filled cabinets.
The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention.
Claims (8)
1. A bus bar sleeve comprises an insulating shell and an electric conductor; the method is characterized in that: the insulating shell is of a cover-shaped structure to form a conical cavity, the open end of the insulating shell is provided with an annular mounting part, the closed end of the insulating shell is provided with a through hole, the annular mounting part is provided with a plurality of mounting holes, and the outer wall of the insulating shell is provided with an umbrella skirt structure; one end of the electric conductor is fixed in the through hole to form a fixed end, and a connecting hole is formed in the central axis of the fixed end; the other end of the electric conductor is inserted in the conical cavity of the insulating shell to form a contact end.
2. The female coupling sleeve as defined in claim 1, wherein: the umbrella skirt structure is that a plurality of encircles the setting and is in insulating arch on the insulating casing, insulating arch interval sets up.
3. The female coupling sleeve as defined in claim 2, wherein: the whole insulating shell is in a conical shape, the insulating bulges are composed of a large diameter part and a small diameter part, and the small diameter insulating bulges are arranged between the insulating bulges and the large diameter insulating bulges in an inserting mode.
4. The box bushing of claim 3 wherein: and the annular installation part is provided with an annular groove for placing a sealing element.
5. The female coupling sleeve as defined in claim 4, wherein: the fixed end of the electric conductor is provided with a plurality of grooves, and the inner wall of the through hole is provided with a convex part matched with the grooves.
6. The female coupling sleeve as defined in claim 5, wherein: the head of the contact end of the electric conductor is spherical.
7. The female coupling sleeve as defined in claim 6, wherein: the insulating shell is manufactured by injection molding of epoxy resin.
8. The female coupling sleeve as defined in claim 7, wherein: the insulating shell and the electric conductor are fixedly connected into a whole through pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286808.5U CN209948520U (en) | 2019-08-09 | 2019-08-09 | Female joint sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286808.5U CN209948520U (en) | 2019-08-09 | 2019-08-09 | Female joint sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948520U true CN209948520U (en) | 2020-01-14 |
Family
ID=69120530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921286808.5U Active CN209948520U (en) | 2019-08-09 | 2019-08-09 | Female joint sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948520U (en) |
-
2019
- 2019-08-09 CN CN201921286808.5U patent/CN209948520U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR200455204Y1 (en) | Housing device for high voltage fuse | |
| CN209948520U (en) | Female joint sleeve | |
| CN209420086U (en) | Mine explosion-suppression electrical equipment box body | |
| CN219575772U (en) | Anti-rotation battery cover plate assembly | |
| CN203536291U (en) | Insulation sleeve for solid-sealed polar pole, breaker assembly and switch cabinet | |
| JP4615258B2 (en) | Power cable termination connection and assembly method | |
| JPWO2004049530A1 (en) | Switchgear device connection device | |
| CN203423244U (en) | Antenna sheath equipment | |
| KR20030009524A (en) | Busbar connection | |
| CN212161681U (en) | Solid-sealed polar pole | |
| CN211655675U (en) | Bus duct | |
| CN209544073U (en) | A kind of bushing shell for transformer head assembly and bushing shell for transformer | |
| CN207353514U (en) | A kind of insulated connecting device and bus connecting device | |
| CN107763343B (en) | With the conductive multiple-pass joint for adjusting air pressure function | |
| CN215955888U (en) | Fuse cylinder insulating cover for ring main unit | |
| CN213547949U (en) | Electrical apparatus casing and electrical equipment | |
| CN215989660U (en) | Medium-voltage gas insulation switch cabinet top bus connection structure | |
| CN215896829U (en) | 10kV low-current quick-mounting plug and socket | |
| CN104505607B (en) | A kind of bus tie and simultaneously cabinet | |
| CN202205921U (en) | Electric connection structure and distribution cabinet unit with same | |
| CN220138820U (en) | Heavy current connection structure for connecting bus and power distribution cabinet | |
| CN217281687U (en) | Side expanding sleeve of atmospheric cabinet | |
| CN209169407U (en) | A kind of casing | |
| CN219266428U (en) | Electric test device of 110kV high-voltage cable GIS terminal | |
| CN213151061U (en) | Branch joint device for frequency conversion coaxial power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |