CN203931992U - High-tension fuse sealed base for underground transformer - Google Patents
High-tension fuse sealed base for underground transformer Download PDFInfo
- Publication number
- CN203931992U CN203931992U CN201420291873.8U CN201420291873U CN203931992U CN 203931992 U CN203931992 U CN 203931992U CN 201420291873 U CN201420291873 U CN 201420291873U CN 203931992 U CN203931992 U CN 203931992U
- Authority
- CN
- China
- Prior art keywords
- insulator foot
- metallic conductor
- conductor contact
- contact base
- inner chamber
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 76
- 239000004020 conductor Substances 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
A kind of high-tension fuse sealed base for underground transformer, comprise insulator foot, in the lower surface of insulator foot, be provided with lower metallic conductor contact base, the top of insulator foot inner chamber is provided with metallic conductor contact base, the upper end of insulator foot is connected with a seal closure by external screw thread, in seal closure, be provided with a seal cover, seal cover is seated on the upper surface of insulator foot, thereby the inner side of the outside of seal cover and seal closure is compressed and realized sealing by the conical surface.The core body of high-tension fuse is put into insulator foot, and upper metallic conductor contact base contacts and clamps with the upper and lower termination of core body respectively with lower metallic conductor contact base.The utility model has improved the safe operation guarantee of underground transformer under adverse circumstances, has also met the requirement of shelter of IP68 of the requirement of GB/T10544-2006, and easy for installation, the reliability of sealing and electrical connection can be not destroyed.
Description
Technical field:
The utility model relates to electricity field, relates in particular to underground transformer, particularly a kind of high-tension fuse sealed base for underground transformer.
Background technology:
Underground transformer is provided with high-tension fuse.In prior art, high-tension fuse all adopts seal box to seal on base, and fuse core body is identical with the fuse that oil-filled transformer or box type transformer adopt, it installs inconvenience, when fuse breaks down, easily destroy the reliability of sealing and electrical connection, and cost is higher
Summary of the invention:
The purpose of this utility model is to provide a kind of high-tension fuse sealed base for underground transformer, and the described this high-tension fuse sealed base for underground transformer will solve prior art fuse and inconvenience is installed, easily destroy the technical problem of sealing and reliability of electrical connection while breaking down.
This high-tension fuse sealed base for underground transformer of the present utility model comprises an insulator foot and a seal cover, wherein, in described insulator foot, be provided with an inner chamber, the upper end of insulator foot is open, the lower end closed of insulator foot, in the lower surface of insulator foot, be provided with a lower metallic conductor contact base, the top of insulator foot inner chamber is provided with a upper metallic conductor contact base, on the upper end excircle of insulator foot, be provided with external screw thread, described seal cover includes a cylindrical drum, the upper surface sealing of described cylindrical drum and be circular cone shape, the middle part of seal cover is provided with a ring-type along its excircle and protrudes step, described ring-type is protruded step and is seated on the upper surface of insulator foot, cylindrical drum below ring-type protrusion step extends to the top of insulator foot inner chamber, the upper end of insulator foot has been threaded connection a seal closure, the upper surface sealing of described seal closure, the top of seal closure is provided with a coniform inner chamber, seal cover is positioned at the inner side of seal closure.
Further, the inner chamber in insulator foot is cylindric, and the upper diameter of inner chamber is greater than the lower diameter of inner chamber, is provided with a step surface between the top of inner chamber and the bottom of inner chamber.
Further, in described lower metallic conductor contact base, include a circular cylindrical cavity, the upper end open of lower metallic conductor contact base, the lower end sealing of lower metallic conductor contact base is also connected with a cylindrical I-shaped saddle, described cylindrical I-shaped saddle extends to below the lower surface of insulator foot, and cylindrical I-shaped saddle is electric conductor.
Further, the medium central angle of circumferential side wall of lower metallic conductor contact base is provided with the crack of two above numbers, the bearing of trend in the crack described in any one is all parallel to the axial of lower metallic conductor contact base, is arranged with reinforcement jump ring on the outer wall of lower metallic conductor contact base.
Further, described upper metallic conductor contact base is circular, upper metallic conductor contact base is embedded in the internal chamber wall of insulator foot, the inwall of upper metallic conductor contact base is exposed in the inner chamber of insulator foot, what in the outer wall of insulator foot, be parallel to insulator foot is axially provided with a lug boss, what in described lug boss, be parallel to insulator foot is axially provided with a metal connecting rod, in the periphery of upper metallic conductor contact base, be provided with a projection, described projection is through extending to after the sidewall of insulator foot in lug boss and being connected with the upper end of described metal connecting rod, in the lower surface of metal connecting rod, be provided with an axial internal thread hole.
Further, the surface of upper metallic conductor contact base and lower metallic conductor contact base is all silver coated.
Further, between seal cover and insulator foot, be provided with sealing ring.
Further, ring-type is protruded between step and the upper surface of insulator foot and is provided with sealing ring.
Further, the minimum diameter of described coniform inner chamber is less than the minimum outer diameter of upper surface of the circular cone shape of seal cover
The course of work of the present utility model is: the one end with striker on the core body of high-tension fuse is first connected with fuse connecting seat closely, then insert in the inner chamber of insulator foot, upper metallic conductor contact base in the inner chamber of insulator foot contacts and clamps with the termination up and down of high-tension fuse core body respectively with lower metallic conductor contact base, the upper port of seal cap sealing insulator foot, seal closure utilizes spanner and insulator foot to tighten, the upper end outer conical surface of the inner chamber taper seat press seal lid of seal closure, make the upper end outer conical surface distortion of seal cover and form seal closely.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model utilizes the insulator foot of an end opening to place the core body of high-tension fuse, utilize the upper port of seal cap sealing insulator foot, utilize the upper end outer conical surface of the inner chamber taper seat press seal lid of seal closure, make the upper end outer conical surface distortion of seal cover and form seal closely, make insulator foot obtain closely sealing reliably, improved the safe operation guarantee of underground transformer under adverse circumstances, also met the requirement of shelter of IP68 of the requirement of GB/T10544-2006, easy for installation, the reliability of sealing and electrical connection can be not destroyed.
Accompanying drawing explanation:
Fig. 1 is the structural representation of the high-tension fuse sealed base for underground transformer in the utility model.
Embodiment:
Embodiment 1:
As shown in Figure 1, high-tension fuse sealed base for underground transformer of the present utility model, comprise an insulator foot 4 and a seal cover 2, wherein, in described insulator foot 4, be provided with an inner chamber, the upper end of insulator foot 4 is open, the lower end closed of insulator foot 4, in the lower surface of insulator foot 4, be provided with a lower metallic conductor contact base 8, the top of insulator foot 4 inner chambers is provided with a upper metallic conductor contact base 5, on the upper end excircle of insulator foot 4, be provided with external screw thread, described seal cover 2 includes a cylindrical drum, the upper surface sealing of described cylindrical drum and be circular cone shape, the middle part of seal cover 2 is provided with a ring-type along its excircle and protrudes step, described ring-type is protruded step and is seated on the upper surface of insulator foot 4, cylindrical drum below ring-type protrusion step extends to the top of insulator foot 4 inner chambers, the upper end of insulator foot 4 has been threaded connection a seal closure 1, the upper surface sealing of described seal closure 1, the top of seal closure 1 is provided with a coniform inner chamber, seal cover 2 is positioned at the inner side of seal closure 1.
Further, the inner chamber in insulator foot 4 is cylindric, and the upper diameter of inner chamber is greater than the lower diameter of inner chamber, is provided with a step surface between the top of inner chamber and the bottom of inner chamber.
Further, in described lower metallic conductor contact base 8, include a circular cylindrical cavity, the upper end open of lower metallic conductor contact base 8, the lower end sealing of lower metallic conductor contact base 8 is also connected with a cylindrical I-shaped saddle, described cylindrical I-shaped saddle extends to below the lower surface of insulator foot 4, and cylindrical I-shaped saddle is electric conductor.
Further, the medium central angle of circumferential side wall of lower metallic conductor contact base 8 is provided with the crack of two above numbers, the bearing of trend in the crack described in any one is all parallel to the axial of lower metallic conductor contact base 8, is arranged with reinforcement jump ring on the outer wall of lower metallic conductor contact base 8.
Further, described upper metallic conductor contact base 5 is circular, upper metallic conductor contact base 5 is embedded in the internal chamber wall of insulator foot 4, the inwall of upper metallic conductor contact base 5 is exposed in the inner chamber of insulator foot 4, what in the outer wall of insulator foot 4, be parallel to insulator foot 4 is axially provided with a lug boss, what in described lug boss, be parallel to insulator foot 4 is axially provided with a metal connecting rod 6, in the periphery of upper metallic conductor contact base 5, be provided with a projection, described projection is through extending to after the sidewall of insulator foot 4 in lug boss and being connected with the upper end of described metal connecting rod 6, in the lower surface of metal connecting rod 6, be provided with an axial internal thread hole.
Further, the surface of upper metallic conductor contact base 5 and lower metallic conductor contact base 8 is all silver coated.
Further, between seal cover 2 and insulator foot 4, be provided with sealing ring.
Further, the minimum diameter of described coniform inner chamber is less than the minimum outer diameter of upper surface of the circular cone shape of seal cover 2.
Further, ring-type is protruded between step and the upper surface of insulator foot 4 and is provided with sealing ring.
The course of work of the present embodiment is: the one end with striker 9 on the core body 7 of high-tension fuse is first connected with fuse connecting seat 3 closely, then insert in the inner chamber of insulator foot 4, upper metallic conductor contact base 5 in the inner chamber of insulator foot 4 contacts and clamps with the termination up and down of high-tension fuse core body 7 respectively with lower metallic conductor contact base 8, the upper port of seal cover 2 sealed insulation bases 4, seal closure 1 utilizes spanner and insulator foot 4 to tighten, the upper end outer conical surface of the inner chamber taper seat press seal lid 2 of seal closure 1, make the upper end outer conical surface distortion of seal cover 2 and form seal closely.
Claims (9)
1. the high-tension fuse sealed base for underground transformer, comprise an insulator foot and a seal cover, it is characterized in that: in described insulator foot, be provided with an inner chamber, the upper end of insulator foot is open, the lower end closed of insulator foot, in the lower surface of insulator foot, be provided with a lower metallic conductor contact base, the top of insulator foot inner chamber is provided with a upper metallic conductor contact base, on the upper end excircle of insulator foot, be provided with external screw thread, described seal cover includes a cylindrical drum, the upper surface sealing of described cylindrical drum and be circular cone shape, the middle part of seal cover is provided with a ring-type along its excircle and protrudes step, described ring-type is protruded step and is seated on the upper surface of insulator foot, cylindrical drum below ring-type protrusion step extends to the top of insulator foot inner chamber, the upper end of insulator foot has been threaded connection a seal closure, the upper surface sealing of described seal closure, the top of seal closure is provided with a coniform inner chamber, seal cover is positioned at the inner side of seal closure.
2. the high-tension fuse sealed base for underground transformer as claimed in claim 1, it is characterized in that: the inner chamber in insulator foot is cylindric, the upper diameter of inner chamber is greater than the lower diameter of inner chamber, is provided with a step surface between the top of inner chamber and the bottom of inner chamber.
3. the high-tension fuse sealed base for underground transformer as claimed in claim 1, it is characterized in that: in described lower metallic conductor contact base, include a circular cylindrical cavity, the upper end open of lower metallic conductor contact base, the lower end sealing of lower metallic conductor contact base is also connected with a cylindrical I-shaped saddle, described cylindrical I-shaped saddle extends to below the lower surface of insulator foot, and cylindrical I-shaped saddle is electric conductor.
4. the high-tension fuse sealed base for underground transformer as claimed in claim 3, it is characterized in that: the medium central angle of circumferential side wall of lower metallic conductor contact base is provided with the crack of two above numbers, the bearing of trend in the crack described in any one is all parallel to the axial of lower metallic conductor contact base, is arranged with reinforcement jump ring on the outer wall of lower metallic conductor contact base.
5. the high-tension fuse sealed base for underground transformer as claimed in claim 1, it is characterized in that: described upper metallic conductor contact base is circular, upper metallic conductor contact base is embedded in the internal chamber wall of insulator foot, the inwall of upper metallic conductor contact base is exposed in the inner chamber of insulator foot, what in the outer wall of insulator foot, be parallel to insulator foot is axially provided with a lug boss, what in described lug boss, be parallel to insulator foot is axially provided with a metal connecting rod, in the periphery of upper metallic conductor contact base, be provided with a projection, described projection is through extending to after the sidewall of insulator foot in lug boss and being connected with the upper end of described metal connecting rod, in the lower surface of metal connecting rod, be provided with an axial internal thread hole.
6. the high-tension fuse sealed base for underground transformer as claimed in claim 1, is characterized in that: the surface of upper metallic conductor contact base and lower metallic conductor contact base is all silver coated.
7. the high-tension fuse sealed base for underground transformer as claimed in claim 1, is characterized in that: between seal cover and insulator foot, be provided with sealing ring.
8. the high-tension fuse sealed base for underground transformer as claimed in claim 1, is characterized in that: ring-type is protruded between step and the upper surface of insulator foot and is provided with sealing ring.
9. the high-tension fuse sealed base for underground transformer as claimed in claim 1, is characterized in that: the minimum diameter of described coniform inner chamber is less than the minimum outer diameter of upper surface of the circular cone shape of seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291873.8U CN203931992U (en) | 2014-06-03 | 2014-06-03 | High-tension fuse sealed base for underground transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291873.8U CN203931992U (en) | 2014-06-03 | 2014-06-03 | High-tension fuse sealed base for underground transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931992U true CN203931992U (en) | 2014-11-05 |
Family
ID=51827763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420291873.8U Expired - Fee Related CN203931992U (en) | 2014-06-03 | 2014-06-03 | High-tension fuse sealed base for underground transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091737A (en) * | 2014-06-03 | 2014-10-08 | 上海瑞奇电气设备股份有限公司 | High-voltage fuse sealing base for underground transformers |
-
2014
- 2014-06-03 CN CN201420291873.8U patent/CN203931992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091737A (en) * | 2014-06-03 | 2014-10-08 | 上海瑞奇电气设备股份有限公司 | High-voltage fuse sealing base for underground transformers |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180603 |