CN201601004U - Fuse connecting seat for transformers - Google Patents
Fuse connecting seat for transformers Download PDFInfo
- Publication number
- CN201601004U CN201601004U CN2009203520549U CN200920352054U CN201601004U CN 201601004 U CN201601004 U CN 201601004U CN 2009203520549 U CN2009203520549 U CN 2009203520549U CN 200920352054 U CN200920352054 U CN 200920352054U CN 201601004 U CN201601004 U CN 201601004U
- Authority
- CN
- China
- Prior art keywords
- conductor base
- metallic conductor
- crack
- inner chamber
- transformer
- 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 - Lifetime
Links
Images
Landscapes
- Fuses (AREA)
Abstract
A fuse connecting seat for transformers is formed by a metal conductor base and an insulating cover. A cylindrical holding cavity is arranged inside the base, inner diameter of the upper portion of the holding cavity is smaller than inner diameter of the lower portion of the holding cavity, a radial step face is arranged for transition between the upper portion and the lower portion, a threaded section is disposed outside the upper portion of the base, a conical face is arranged above the threaded section, and more than two cracks are disposed in a side wall of the upper portion of the base. An inner cavity is disposed in the insulating cover, the upper end of the insulating cover is sealed, threads are disposed on an inner wall of the lower portion, the insulating cover is connected with the upper portion of the base via the threads, a conical face is disposed on an inner wall of the upper portion of the inner cavity, and the minimum diameter of the conical face of the upper portion of the inner cavity is smaller than the maximum diameter of the conical face outside the upper portion of the base. The lower portion of the metal conductor base is fixedly connected with a wiring terminal of a fuse of a transformer, the fuse is arranged inside the metal conductor base, the insulating cover is connected with the metal conductor base via the threads, the conical face inside the insulating cover leads the upper end of the metal conductor base to radially contract and deform, thereby realizing tight and firm matching with the fuse and realizing waterproof seal.
Description
Technical field
The utility model relates to electricity field, relates in particular to transformer, particularly a kind of fuse Connection Block that is used for transformer.
Background technology
In the prior art, transformer is provided with fuse, and fuse is connected with the transformer housing by Connection Block.Be embedded in when underground at transformer, the variation of pressure often makes fuse loosening in Connection Block, and simultaneously, outside liquid penetrates into Connection Block easily, causes corrosion.The reliability that influence is electrically connected.
Summary of the invention
The purpose of this utility model is to provide a kind of fuse Connection Block that is used for transformer, and the fuse Connection Block that the described this fuse Connection Block that is used for transformer will solve the prior art transformer seals insecure technical problem.
This fuse Connection Block that is used for transformer of the present utility model is made of a metallic conductor base and an insulating lid, wherein, be provided with cylindrical cavity volume in the described metallic conductor base, the top internal diameter of described cylindrical cavity volume is less than the bottom internal diameter, the top of cylindrical cavity volume and bottom are by a radially step surface transition, the upper outside of metallic conductor base is provided with a thread segment, the arranged outside of the metallic conductor base of described thread segment top has a taper seat, described taper seat is towards the upper end of metallic conductor base, be provided with the crack of two above numbers in the upper portion side wall of metallic conductor base, the bearing of trend in any one described crack all is parallel to the axial of cylindrical cavity volume, any one crack all begins to extend and the process thread segment from the upper surface of metallic conductor base, the crack distributes along the central angles such as top circumference of metallic conductor base, be provided with an inner chamber in the described insulating lid, described inner chamber is cylindrical, inner chamber is under shed, the upper end closed of inner chamber, the lower inner wall of inner chamber is provided with internal thread, described internal thread cooperates with the thread segment of metallic conductor base upper outside, insulating lid is connected by the top of internal thread with the metallic conductor base, the upper inside wall of inner chamber is provided with taper seat, and the minimum diameter of inner chamber upper cone face is less than the maximum gauge of metallic conductor base upper outside taper seat.
Further, the outside, the bottom of described metallic conductor base is cylindrical, and the lower end excircle of metallic conductor base is provided with collar flange, and the outward flange in the cross section of described collar flange is curved.
Further, be provided with second crack of two above numbers in the lower sides of metallic conductor base, the bearing of trend in any one described second crack all is parallel to the axial of cylindrical cavity volume, any one second crack all begins to extend upward and terminate in the below of described radially step surface from the lower surface of metallic conductor base, second crack distributes along the central angles such as lower circumference of metallic conductor base.
Further, the number in described crack and distribution angle equate with the number and the distribution angle in second crack.
Further, the middle part outer wall of described metallic conductor base is provided with one and radially protrudes step, and the described step that radially protrudes is equilateral prism-shaped.
Further, the top end face of described insulating lid is provided with a handle.
Further, described insulating lid is fixedlyed connected with an inboard metal reinforcing sleeve and is constituted by an outside insulator, and the taper seat of the internal thread of insulating lid and insulating lid inner chamber upper inside wall all is arranged in the described inboard metal reinforcing sleeve.
Further, described metallic conductor base is through silver-plated processing.
Operation principle of the present utility model is: fixedly connected with safety clip of transformer in the bottom of metallic conductor base, fuse is arranged in the metallic conductor base, insulating lid is connected with the metallic conductor base by screw thread, the upper end radial contraction distortion that the conical surface in the insulating lid makes the metallic conductor base realizes that with fuse close and firm cooperates.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model is provided with external screw thread and crack on the metallic conductor base of fuse Connection Block, in insulating lid, be provided with internal thread and inner conical surface, insulating lid is connected with the metallic conductor base by screw thread, the conical surface in the insulating lid makes the upper end radial contraction distortion of metallic conductor base, realize that with fuse close and firm cooperates, and realize waterproof sealing.
Description of drawings:
Fig. 1 is the structural representation that is used for the fuse Connection Block of transformer of the present utility model.
Embodiment:
As shown in Figure 1, the fuse Connection Block that is used for transformer of the present utility model, constitute by a metallic conductor base 1 and an insulating lid 2, wherein, be provided with cylindrical cavity volume 3 in the described metallic conductor base 1, the top internal diameter of described cylindrical cavity volume 3 is less than the bottom internal diameter, the top of cylindrical cavity volume 3 and bottom are by radially step surface 4 transition, the upper outside of metallic conductor base 1 is provided with a thread segment 5, the arranged outside of the metallic conductor base 1 of described thread segment 5 tops has a taper seat 6, described taper seat 6 is towards the upper end of metallic conductor base 1, be provided with the crack 7 of two above numbers in the upper portion side wall of metallic conductor base 1, the bearing of trend in any one described crack 7 all is parallel to the axial of cylindrical cavity volume 3, any one crack 7 all begins to extend and process thread segment 5 from the upper surface of metallic conductor base 1, crack 7 distributes along the central angles such as top circumference of metallic conductor base 1, be provided with an inner chamber in the described insulating lid 2, described inner chamber is cylindrical, inner chamber is under shed, the upper end closed of inner chamber, the lower inner wall of inner chamber is provided with internal thread, described internal thread cooperates with the thread segment 5 of metallic conductor base 1 upper outside, insulating lid 2 is connected by the top of internal thread with metallic conductor base 1, the upper inside wall of inner chamber is provided with taper seat, and the minimum diameter of inner chamber upper cone face 6 is less than the maximum gauge of metallic conductor base 1 upper outside taper seat 6.
Further, the outside, the bottom of described metallic conductor base 1 is cylindrical, and the lower end excircle of metallic conductor base 1 is provided with collar flange 8, and the outward flange in the cross section of described collar flange 8 is curved.
Further, be provided with second crack 9 of two above numbers in the lower sides of metallic conductor base 1, the bearing of trend in any one described second crack 9 all is parallel to the axial of cylindrical cavity volume 3, any one second crack 9 all begins to extend upward and terminate in the below of described radially step surface 4 from the lower surface of metallic conductor base 1, second crack 9 distributes along the central angles such as lower circumference of metallic conductor base 1.
Further, the number in described crack 7 and distribution angle equate with the number and the distribution angle in second crack 9.
Further, the middle part outer wall of described metallic conductor base 1 is provided with one and radially protrudes step 10, and the described step 10 that radially protrudes is equilateral prism-shaped.
Further, the top end face of described insulating lid 2 is provided with a handle 11.
Further, described insulating lid 2 is fixedlyed connected with an inboard metal reinforcing sleeve 13 and is constituted by an outside insulator 12, and the taper seat 6 of the internal thread of insulating lid 2 and insulating lid 2 inner chamber upper inside wall all is arranged in the described inboard metal reinforcing sleeve 13.
Further, described metallic conductor base 1 is through silver-plated processing.
Operation principle of the present utility model is: fixedly connected with safety clip of transformer in the bottom of metallic conductor base 1, fuse is arranged in the metallic conductor base 1, insulating lid 2 is connected with metallic conductor base 1 by screw thread, the upper end radial contraction distortion that the conical surface in the insulating lid 2 makes metallic conductor base 1 realizes that with fuse close and firm cooperates.
Claims (7)
1. fuse Connection Block that is used for transformer, constitute by a metallic conductor base and an insulating lid, it is characterized in that: be provided with cylindrical cavity volume in the described metallic conductor base, the top internal diameter of described cylindrical cavity volume is less than the bottom internal diameter, the top of cylindrical cavity volume and bottom are by a radially step surface transition, the upper outside of metallic conductor base is provided with a thread segment, the arranged outside of the metallic conductor base of described thread segment top has a taper seat, described taper seat is towards the upper end of metallic conductor base, be provided with the crack of two above numbers in the upper portion side wall of metallic conductor base, the bearing of trend in any one described crack all is parallel to the axial of cylindrical cavity volume, any one crack all begins to extend and the process thread segment from the upper surface of metallic conductor base, the crack distributes along the central angles such as top circumference of metallic conductor base, be provided with an inner chamber in the described insulating lid, described inner chamber is cylindrical, inner chamber is under shed, the upper end closed of inner chamber, the lower inner wall of inner chamber is provided with internal thread, described internal thread cooperates with the thread segment of metallic conductor base upper outside, insulating lid is connected by the top of internal thread with the metallic conductor base, the upper inside wall of inner chamber is provided with taper seat, and the minimum diameter of inner chamber upper cone face is less than the maximum gauge of metallic conductor base upper outside taper seat.
2. the fuse Connection Block that is used for transformer as claimed in claim 1, it is characterized in that: the outside, bottom of described metallic conductor base is cylindrical, the lower end excircle of metallic conductor base is provided with collar flange, and the outward flange in the cross section of described collar flange is curved.
3. the fuse Connection Block that is used for transformer as claimed in claim 2, it is characterized in that: second crack that is provided with two above numbers in the lower sides of metallic conductor base, the bearing of trend in any one described second crack all is parallel to the axial of cylindrical cavity volume, any one second crack all begins to extend upward and terminate in the below of described radially step surface from the lower surface of metallic conductor base, second crack distributes along the central angles such as lower circumference of metallic conductor base.
4. the fuse Connection Block that is used for transformer as claimed in claim 2 is characterized in that: the number in described crack and distribution angle equate with the number and the distribution angle in second crack.
5. the fuse Connection Block that is used for transformer as claimed in claim 1 is characterized in that: the middle part outer wall of described metallic conductor base is provided with one and radially protrudes step, and the described step that radially protrudes is equilateral prism-shaped.
6. the fuse Connection Block that is used for transformer as claimed in claim 1 is characterized in that: the top end face of described insulating lid is provided with a handle.
7. the fuse Connection Block that is used for transformer as claimed in claim 1, it is characterized in that: described insulating lid is fixedlyed connected with an inboard metal reinforcing sleeve and is constituted by an outside insulator, and the taper seat of the internal thread of insulating lid and insulating lid inner chamber upper inside wall all is arranged in the described inboard metal reinforcing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203520549U CN201601004U (en) | 2009-12-24 | 2009-12-24 | Fuse connecting seat for transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203520549U CN201601004U (en) | 2009-12-24 | 2009-12-24 | Fuse connecting seat for transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601004U true CN201601004U (en) | 2010-10-06 |
Family
ID=42812067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203520549U Expired - Lifetime CN201601004U (en) | 2009-12-24 | 2009-12-24 | Fuse connecting seat for transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037032A (en) * | 2014-06-30 | 2014-09-10 | 国家电网公司 | Plugging cover of high voltage fuse |
| CN102110558B (en) * | 2009-12-24 | 2015-02-04 | 上海瑞奇电气设备有限公司 | Fuse tight connecting seat for transformer |
-
2009
- 2009-12-24 CN CN2009203520549U patent/CN201601004U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110558B (en) * | 2009-12-24 | 2015-02-04 | 上海瑞奇电气设备有限公司 | Fuse tight connecting seat for transformer |
| CN104037032A (en) * | 2014-06-30 | 2014-09-10 | 国家电网公司 | Plugging cover of high voltage fuse |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201601004U (en) | Fuse connecting seat for transformers | |
| CN102110558B (en) | Fuse tight connecting seat for transformer | |
| CN201075367Y (en) | High voltage fuse for ground-embedded type voltage transformer | |
| CN204533837U (en) | Be suitable for the ultrahigh pressure vessel outgoing line sealing device of positive/negative-pressure state | |
| CN107181221A (en) | A kind of insulating sleeve and the gas-filling cabinet with the insulating sleeve | |
| CN203871156U (en) | Sealing device of transformer bushing | |
| CN101447262A (en) | Composite insulated bushing of electrical appliance lead wire | |
| CN205226711U (en) | Corrosion resistant high -pressure quick -operation joint | |
| CN201549287U (en) | Thirty-five KV-level pure porcelain bushing | |
| CN208331463U (en) | A kind of high-pressure bottle thread guide devices that a hole is multi-thread | |
| CN206420965U (en) | 35kV inner-cone pluggable cable terminal experimental rigs | |
| CN104091737A (en) | High-voltage fuse sealing base for underground transformers | |
| CN206412562U (en) | A kind of 90 ° of curved formula terminal shield electric-connectors | |
| CN203931992U (en) | High-tension fuse sealed base for underground transformer | |
| CN201199483Y (en) | Integration high voltage bushing | |
| CN201174321Y (en) | Screw connected electric power capacitor lead wire ceramic busing | |
| CN203881407U (en) | Electrode lead-out device for capacitive liquid level sensor of high-pressure storage tank | |
| CN202189642U (en) | Pure porcelain sleeve for distribution transformer | |
| CN102103922A (en) | Improved high-voltage cable connector for underground transformer | |
| CN204174282U (en) | A kind of container and inner-walls of duct impressed current catholic protection device | |
| CN104006864B (en) | A kind of electrode pulling device of the capacitive liquid level sensor for high pressure storage tank | |
| CN106783168B (en) | The composite bushing of electric wire is drawn based on power capacitor | |
| CN205078906U (en) | Novel ball valve | |
| CN201532839U (en) | Flange-type transformer sleeve pipe | |
| CN104328440B (en) | A kind of container and inner-walls of duct impressed current catholic protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101006 Effective date of abandoning: 20091224 |
|
| RGAV | Abandon patent right to avoid regrant |