CN2128418Y - Bolt with double wings - Google Patents
Bolt with double wings Download PDFInfo
- Publication number
- CN2128418Y CN2128418Y CN 92215220 CN92215220U CN2128418Y CN 2128418 Y CN2128418 Y CN 2128418Y CN 92215220 CN92215220 CN 92215220 CN 92215220 U CN92215220 U CN 92215220U CN 2128418 Y CN2128418 Y CN 2128418Y
- Authority
- CN
- China
- Prior art keywords
- bolt
- power supply
- fuse
- contact
- screw thread
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Images
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
The utility model discloses a transformer is qualified for next round of competitions and is protected fuse utensil connecting piece on power supply pole, it is a copper bolt of taking double wing piece, can increase the area of contact between wiring board and fin and the grid formula fuse, can stop only non-screw thread (tooth) contact and lead to the circular telegram to generate heat and burn the thread and arouse the power failure accident in old structure, improves the reliability of power supply line, security.
Description
The utility model is the copper bolt on the power supply pole transformer low pressure outlet clamping grid formula fuse, belongs to the transmission ﹠ distribution class of electric power in the electricity.
As everyone knows; its grid formula fuse two ends of common Allocation transformer low pressure outlet protection fuse device connector are connected with terminal block; the copper bolt that only depends on TBE (threaded both ends) (tooth) clamps respectively with four packing rings and four nuts and fuses; this moment, the energising of terminal block and grid formula fuse only depended on the screw thread of two pairs of nuts; when the capacity of distribution transformer is big; its low-pressure side electric current is often very big, can be up to more than the hundreds of ampere.Because the contact area between screw thread is little, current density is just very high, usually can cause the screw thread that heating scorification bolts and nuts link to each other, and cause taking place power outage, causes the heavy losses of national economy.
For fear of the generation of power outage, the utility model proposes a kind of new structure, the copper bolt of casting all-in-one-piece of band double fins, two packing rings and two nuts of complete alternative original structure can increase the contact area of conduction.
The purpose of this utility model provides a kind of high-quality, reliably with the copper bolt of double fins, improve the reliability of power supply, compare with original plain bolt, have following two outstanding features:
1. terminal block and grid formula fuse can directly be attached to the lateral surface of two fins, and the contact area of its energising is very big.
2. the electric current that passes through of nut and bolted screw thread (tooth) is very little, can not generate heat, loosening phenomenon.
Do to describe in detail below in conjunction with accompanying drawing:
Fig. 1 is the bolt front view of band double fins, and Fig. 2 is an A-A section left view
Fin 1, pin 2, wrench face 3 and screw thread 4 among the figure, fin and bolt are cast into one, the left side flap side has a pin, location hole pairing on it and the terminal block, and cut away a part on the fin garden week on right side, this is to locate when grid formula fuse and fin are adjacent to, wrench face between two fins is to shear as pin to have no progeny and can hold with wrench, prevent that bolt from rotating, wrench face sectional area ratio bolt sectional area is much bigger, and purpose is in order to improve the energising ability.
Illustrate for embodiment:
The bolt of band double fins, its screw thread is M16mm, the external diameter of double fins is φ 45mm, bolt total length 88mm, wrench faces is two tangent plane cylinders, pin is M1.5mm.
Claims (2)
1, a kind of distribution transforming low-voltage line protection fuse device connector, it is that copper bolt is formed, the copper bolt of all-in-one-piece that it is characterized in that casting has the double fins structure.
2, fuse device connector according to claim 1 is characterized in that left side flap has a pin, and cuts away a part on the week of right side flap garden that two fins have wrench faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92215220 CN2128418Y (en) | 1992-03-06 | 1992-03-06 | Bolt with double wings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92215220 CN2128418Y (en) | 1992-03-06 | 1992-03-06 | Bolt with double wings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2128418Y true CN2128418Y (en) | 1993-03-17 |
Family
ID=33764024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92215220 Expired - Fee Related CN2128418Y (en) | 1992-03-06 | 1992-03-06 | Bolt with double wings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2128418Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167616A (en) * | 2014-09-05 | 2014-11-26 | 江苏东升电子科技有限公司 | Wiring terminal |
-
1992
- 1992-03-06 CN CN 92215220 patent/CN2128418Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167616A (en) * | 2014-09-05 | 2014-11-26 | 江苏东升电子科技有限公司 | Wiring terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |