CN203734147U - Voltage withstanding contact box - Google Patents
Voltage withstanding contact box Download PDFInfo
- Publication number
- CN203734147U CN203734147U CN201420094062.9U CN201420094062U CN203734147U CN 203734147 U CN203734147 U CN 203734147U CN 201420094062 U CN201420094062 U CN 201420094062U CN 203734147 U CN203734147 U CN 203734147U
- Authority
- CN
- China
- Prior art keywords
- contact box
- insulating cylinder
- wall
- expanding portion
- voltage withstanding
- 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.)
- Expired - Fee Related
Links
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a voltage withstanding contact box, which comprises an insulating cylinder with the lower end being provided with an opening, wherein the outer wall of the lower end of the insulating cylinder is provided with installation plates, the side wall of the upper end of the insulating cylinder is provided with a threading pipe, the top part inside the insulating cylinder is provided with a fixed insert, the outer wall of the insulating cylinder is provided with creepage umbrella shirt groups, the lower end of the insulating cylinder is provided with an expanding portion, and the inner side inclined walls of the expanding portion are provided with inner creepage umbrella skirt groups. The voltage withstanding contact box is simple and reasonable in structure and convenient to install and use, and adopts the design of arranging the expanding portion inside the contact box and arranging the inner creepage umbrella skirt groups on the expanding portion, thereby enabling an electric field inside the contact box to be uniform in distribution, effectively preventing a phenomenon of excessive concentration of charge, slowing down aging of the contact box, prolonging the service life of the contact box, and ensuring the safety of the contact box in use.
Description
Technical field
The utility model relates to insulation accessory for a kind of switch cubicle, is specially a kind of pressure resistant type contact box.
Background technology
Contact box is a kind of conventional switch cubicle insulation accessory, plays insulation isolation and connects transitional function.And existing contact box structure is reasonable not, in use procedure, contact box inwall is easily subject to high-pressure conductive component affects and creepage phenomenon occurs, cause contact box internal electric field skewness, there is partial charge concentrations phenomenon, and then accelerated the local ageing of contact box, affect the useful life of contact box and use safety.
Utility model content
The purpose of this utility model is to provide a kind of pressure resistant type contact box, reasonable not to solve contact box structure traditional in prior art, in use procedure, contact box inwall is easily subject to high-pressure conductive component affects and creepage phenomenon occurs, cause contact box internal electric field skewness, there is partial charge concentrations phenomenon, and then accelerated the local ageing of contact box, affect contact box useful life and use safe problem.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of pressure resistant type contact box, it is characterized in that: include the uncovered insulating cylinder in lower end, described insulating cylinder lower end outer wall is provided with mounting disc, described insulating cylinder upper end sidewall is provided with penetration pipe, described insulating cylinder inner top is provided with fixedly inserts, described insulating cylinder outer wall is provided with outer creepage cluster parachute, and described insulating cylinder lower end is provided with expansion mouth, is distributed with interior creepage cluster parachute on the inner side skew wall of described expansion mouth.
Described a kind of pressure resistant type contact box, is characterized in that: described expansion mouth outer wall is provided with reinforcement convex tendon.
The beneficial effects of the utility model are:
The utility model is simple and reasonable, easy to install, employing arranges expansion mouth and the design of interior creepage cluster parachute is set on expansion mouth in contact box, contact box internal electric field is evenly distributed, effectively prevent electric charge concentrations phenomenon, slow down the aging of contact box, extended the useful life of contact box, guaranteed the use safety of contact box.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of pressure resistant type contact box, include the uncovered insulating cylinder in lower end 1, insulating cylinder 1 lower end outer wall is provided with mounting disc 2, insulating cylinder 1 upper end sidewall is provided with penetration pipe 3, and insulating cylinder 1 inner top is provided with fixedly inserts 4, and insulating cylinder 1 outer wall is provided with outer creepage cluster parachute 5, insulating cylinder 1 lower end is provided with expansion mouth 6, is distributed with interior creepage cluster parachute 7 on the inner side skew wall of expansion mouth 6.
Expansion mouth 6 outer walls are provided with reinforcement convex tendon.
Claims (2)
1. a pressure resistant type contact box, it is characterized in that: include the uncovered insulating cylinder in lower end, described insulating cylinder lower end outer wall is provided with mounting disc, described insulating cylinder upper end sidewall is provided with penetration pipe, described insulating cylinder inner top is provided with fixedly inserts, described insulating cylinder outer wall is provided with outer creepage cluster parachute, and described insulating cylinder lower end is provided with expansion mouth, is distributed with interior creepage cluster parachute on the inner side skew wall of described expansion mouth.
2. a kind of pressure resistant type contact box according to claim 1, is characterized in that: described expansion mouth outer wall is provided with reinforcement convex tendon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094062.9U CN203734147U (en) | 2014-03-04 | 2014-03-04 | Voltage withstanding contact box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094062.9U CN203734147U (en) | 2014-03-04 | 2014-03-04 | Voltage withstanding contact box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734147U true CN203734147U (en) | 2014-07-23 |
Family
ID=51204193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094062.9U Expired - Fee Related CN203734147U (en) | 2014-03-04 | 2014-03-04 | Voltage withstanding contact box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590778A (en) * | 2015-12-18 | 2016-05-18 | 北京双杰电气股份有限公司 | Isolating switch |
-
2014
- 2014-03-04 CN CN201420094062.9U patent/CN203734147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590778A (en) * | 2015-12-18 | 2016-05-18 | 北京双杰电气股份有限公司 | Isolating switch |
| CN105590778B (en) * | 2015-12-18 | 2019-02-22 | 北京双杰电气股份有限公司 | Disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |