CN102110558A - Fuse tight connecting seat for transformer - Google Patents
Fuse tight connecting seat for transformer Download PDFInfo
- Publication number
- CN102110558A CN102110558A CN2009102156634A CN200910215663A CN102110558A CN 102110558 A CN102110558 A CN 102110558A CN 2009102156634 A CN2009102156634 A CN 2009102156634A CN 200910215663 A CN200910215663 A CN 200910215663A CN 102110558 A CN102110558 A CN 102110558A
- Authority
- CN
- China
- Prior art keywords
- metallic conductor
- conductor base
- fuse
- transformer
- crack
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a fuse tight connecting seat for a transformer. The fuse tight connecting seat for the transformer consists of a metal conductor pedestal and an insulating cover, wherein a cylindrical accommodating cavity is formed in the pedestal; the internal diameter of the upper part of the accommodating cavity is less than the internal diameter of the lower part of the accommodating cavity; the upper part of the accommodating cavity is in transition with the lower part of the accommodating cavity through a radial stepped surface; a threaded section is arranged on the outer side of the upper part of the pedestal; a conical surface is arranged above the threaded section; the side wall of the upper part of the pedestal is provided with more than two cracks; an inner cavity is formed in the insulating cover; the upper end of the inner cavity is closed, and the inner wall of the lower part of the inner cavity is provided with threads; the insulating cover is connected with the upper part of the pedestal through the threads; the inner wall of the upper part of the inner cavity is provided with a conical surface; the minimum diameter of the conical surface on the upper part of the inner cavity is less than the maximum diameter of the conical surface on the outer side of the upper part of the pedestal; the lower part of the metal conductor pedestal is fixedly connected with a fuse connecting terminal of the transformer; a fuse is arranged in the metal conductor pedestal; the insulating cover is connected with the metal conductor pedestal through threads; and the conical surface in the insulating cover makes the upper end of the metal conductor pedestal shrink and deform in the radial direction. The fuse tight connecting seat is tightly and firmly matched with the fuse, and water-proof sealing is realized.
Description
Technical field
The present invention relates to electricity field, relate in particular to transformer, particularly a kind of fuse that is used for transformer seat that is tightly connected.
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 object of the present invention is to provide a kind of fuse that is used for transformer seat that is tightly connected, the described this fuse that the is used for transformer fuse Connection Block that seat will solve the prior art transformer that is tightly connected seals insecure technical problem.
This fuse that is used for transformer of the present invention be tightly connected the seat constitute by 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 invention 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 present invention and prior art contrast, and its effect is actively with tangible.The present invention 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 be the fuse that is used for transformer of the present invention be tightly connected the seat structural representation.
Embodiment:
As shown in Figure 1, the fuse that the is used for transformer of the present invention seat that is tightly connected, 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 invention 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 (8)
1. a fuse that is used for transformer seat that is tightly connected, 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 that the is used for transformer as claimed in claim 1 seat that is tightly connected, 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 that the is used for transformer as claimed in claim 2 seat that is tightly connected, 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 that the is used for transformer as claimed in claim 2 seat that is tightly connected, it 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 that the is used for transformer as claimed in claim 1 seat that is tightly connected, it 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 that the is used for transformer as claimed in claim 1 seat that is tightly connected, it is characterized in that: the top end face of described insulating lid is provided with a handle.
7. the fuse that the is used for transformer as claimed in claim 1 seat that is tightly connected, 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.
8. the fuse that the is used for transformer as claimed in claim 1 seat that is tightly connected is characterized in that: described metallic conductor base is through silver-plated processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215663.4A CN102110558B (en) | 2009-12-24 | 2009-12-24 | Fuse tight connecting seat for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215663.4A CN102110558B (en) | 2009-12-24 | 2009-12-24 | Fuse tight connecting seat for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102110558A true CN102110558A (en) | 2011-06-29 |
| CN102110558B CN102110558B (en) | 2015-02-04 |
Family
ID=44174680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910215663.4A Active CN102110558B (en) | 2009-12-24 | 2009-12-24 | Fuse tight connecting seat for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102110558B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154643A (en) * | 2017-05-18 | 2017-09-12 | 平顶山市华安电气有限公司 | A kind of transformer group Self-controlled system |
| CN108511301A (en) * | 2018-05-23 | 2018-09-07 | 河南森源电气股份有限公司 | Fuse and fuse assembly, distribution transformer |
| CN110085404A (en) * | 2018-01-26 | 2019-08-02 | 上海瑞奇电气设备股份有限公司 | Underground transformer is connected with high-tension cable and high-tension fuse protects integrated sealing pedestal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012708A (en) * | 1975-12-11 | 1977-03-15 | A. B. Chance Company | Oil immersible current limiting fuse assembly |
| US4448476A (en) * | 1982-05-11 | 1984-05-15 | Permonite Mfg. Co. | Fuse holder |
| US4477139A (en) * | 1982-07-12 | 1984-10-16 | Mcgraw-Edison Company | Shock proof fuseholder |
| JPH0869745A (en) * | 1994-08-30 | 1996-03-12 | Smk Corp | Cartridge fuse holder |
| CN2593348Y (en) * | 2003-01-10 | 2003-12-17 | 上海电器陶瓷厂 | Bured oil-immersed high-voltage current-limiting fuse |
| CN201601004U (en) * | 2009-12-24 | 2010-10-06 | 上海瑞奇电气设备有限公司 | Fuse connecting seat for transformers |
-
2009
- 2009-12-24 CN CN200910215663.4A patent/CN102110558B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154643A (en) * | 2017-05-18 | 2017-09-12 | 平顶山市华安电气有限公司 | A kind of transformer group Self-controlled system |
| CN107154643B (en) * | 2017-05-18 | 2023-06-23 | 平顶山市津电智能科技有限公司 | Transformer group self-regulating system |
| CN110085404A (en) * | 2018-01-26 | 2019-08-02 | 上海瑞奇电气设备股份有限公司 | Underground transformer is connected with high-tension cable and high-tension fuse protects integrated sealing pedestal |
| CN108511301A (en) * | 2018-05-23 | 2018-09-07 | 河南森源电气股份有限公司 | Fuse and fuse assembly, distribution transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102110558B (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3336860A1 (en) | Insulation pipe and insulation sleeve with such insulation pipe | |
| CN102110558B (en) | Fuse tight connecting seat for transformer | |
| CN103216680B (en) | Seal joint of lead wire in liquefied natural gas (LNG) container | |
| CN201075367Y (en) | High voltage fuse for ground-embedded type voltage transformer | |
| CN201601004U (en) | Fuse connecting seat for transformers | |
| CN106384906A (en) | Angle connector | |
| CN103490196A (en) | Active antenna waterproof radio-frequency connector for ship | |
| CN101447262A (en) | Composite insulated bushing of electrical appliance lead wire | |
| CN104659500B (en) | Firm and reliable electric wire binding post | |
| US10361542B2 (en) | High-pressure feedthrough for feeding through a coaxial cable into a high-pressure zone | |
| CN107181221A (en) | A kind of insulating sleeve and the gas-filling cabinet with the insulating sleeve | |
| CN104091737A (en) | High-voltage fuse sealing base for underground transformers | |
| CN203931992U (en) | High-tension fuse sealed base for underground transformer | |
| CN205226711U (en) | Corrosion resistant high -pressure quick -operation joint | |
| CN204174282U (en) | A kind of container and inner-walls of duct impressed current catholic protection device | |
| CN209015854U (en) | Improve the cable tail structure of the big N-terminal dielectric level of voltage transformer | |
| CN208256428U (en) | A kind of connecting terminal, casing and transformer | |
| CN106783168B (en) | The composite bushing of electric wire is drawn based on power capacitor | |
| CN206420965U (en) | 35kV inner-cone pluggable cable terminal experimental rigs | |
| CN104328440B (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 | |
| CN202840351U (en) | Solid insulation sleeve | |
| CN213400715U (en) | Insulator for bushing voltage tap test | |
| CN201230194Y (en) | Low voltage cable connector for underground transformer | |
| CN215005706U (en) | High-voltage bushing contact finger type measuring terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |