CN211150484U - Be applied to end cover and fuse of fuse - Google Patents
Be applied to end cover and fuse of fuse Download PDFInfo
- Publication number
- CN211150484U CN211150484U CN201921788107.1U CN201921788107U CN211150484U CN 211150484 U CN211150484 U CN 211150484U CN 201921788107 U CN201921788107 U CN 201921788107U CN 211150484 U CN211150484 U CN 211150484U
- Authority
- CN
- China
- Prior art keywords
- end cover
- fuse
- end cap
- fixing holes
- wiring board
- 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
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Abstract
The utility model discloses an end cover applied to a fuse and the fuse, wherein the end cover comprises an end cover base and a wiring board; the bottom of the end cover base is provided with a plurality of first fixing holes which are distributed at equal intervals along the same circumference; the wiring board is arranged above the end cover base, a plurality of second fixing holes are formed in the wiring board, and the second fixing holes are distributed at equal intervals along the central line of the wiring board. In the embodiment of the utility model, the wiring end cover is a round structure, four fixing holes are evenly arranged on four ends of the external circle by equal sides, the installation aligning bolt is convenient to be connected with the aligning hole of the wiring end cover fixing piece, the inner edge of the wiring end cover is provided with a round groove, and a sealing rubber ring is installed; the center is provided with an inner circle with the same diameter as the fuse tube, so that the fuse core can be conveniently replaced and aligned. The wiring board is arranged outside the end cover, a rectangular structure is adopted, and double bolts are fixed to ensure reliable connection with the outside.
Description
Technical Field
The utility model relates to a power grid operation field particularly, relates to an end cover and fuse of being applied to fuse.
Background
At present, a 35kV fuse is composed of a fuse tube, a porcelain bushing, a fastening flange, a post insulator, a terminal cap, and the like. The connection end covers and the fuse tube at two ends are fixed in the porcelain bushing by a press fitting method, and then the porcelain bushing is fixed on the post insulator by a fastening flange.
The existing fuse tube core is installed in a porcelain sleeve, a compression spring is installed in the porcelain sleeve, two ends of the porcelain sleeve are connected with an external wiring through wiring end covers, a wiring end adopts a triangular structure, the porcelain sleeve is fixed through bolts, the contact area is small, the fuse is installed outdoors and is corroded by a fastening bolt due to environmental influence, the fuse is difficult to disassemble and assemble, the fuse is long in time, the fracture fault is easy to occur, and the timely power supply is influenced.
Therefore, an end cover and a fuse applied to the fuse are needed, and the problems that the contact area of a 35kV fuse wiring end cover is small, the single bolt is fixed, the fracture fault is easy to occur and the like are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides an end cover applied to a fuse and the fuse, wherein the wiring end cover is of a circular structure, four fixing holes are uniformly arranged on four ends of an excircle in an equilateral way, an alignment bolt is installed to be conveniently connected with an alignment hole of a wiring end cover fixing part, a circular groove is arranged at the inner edge of the wiring end cover, and a sealing rubber ring is installed; the center is provided with an inner circle with the same diameter as the fuse tube, so that the fuse core can be conveniently replaced and aligned. The wiring board is arranged outside the end cover, a rectangular structure is adopted, and double bolts are fixed to ensure reliable connection with the outside.
Correspondingly, the embodiment of the utility model provides an end cover for fuse, including end cover base and wiring board;
the bottom of the end cover base is provided with a plurality of first fixing holes which are distributed at equal intervals along the same circumference;
the wiring board is arranged above the end cover base, a plurality of second fixing holes are formed in the wiring board, and the second fixing holes are distributed at equal intervals along the central line of the wiring board.
As a preferred technical scheme of the utility model, the end cover base is circular, be provided with interior circle in the circular shape end cover base, just the centre of a circle of interior circle with the centre of a circle of end cover base is the same.
As a preferred technical scheme of the utility model, still be provided with the circular recess in the circular shape end cover base, the centre of a circle of circular recess with the centre of a circle of end cover base is the same, just be provided with the rubber sealing ring in the circular recess.
As an optimized technical scheme of the utility model, the inside of a plurality of first fixed orificess is provided with the screw thread.
As an optimal technical scheme of the utility model, the wiring board is the rectangle, be provided with two second fixed orificess on the rectangular wiring board, two second fixed orificess are followed the equidistant distribution of central line of wiring board.
In addition, the embodiment of the utility model provides a fuse, fuse includes fuse tube, insulator, insulating pillar, fastening flange, end cover mounting and end cover;
the fuse tube is arranged in the porcelain bushing, and the two ends of the porcelain bushing are provided with wiring end cover fixing parts which are connected with the end covers in an alignment way;
and a fastening flange is arranged in the middle of the porcelain bushing and is connected with the post insulator.
As a preferred technical scheme of the utility model, be provided with fixed guide group on the wiring end cover mounting, fixed guide group includes the fixed guide of a plurality of tubaeform, a plurality of fixed guide arrange along clockwise or anticlockwise, just a plurality of fixed guide with a plurality of first fixed orifices one-to-ones.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 shows an elevation view of an end cap applied to a fuse in an embodiment of the invention;
figure 2 shows a top view of an end cap applied to a fuse in an embodiment of the invention;
fig. 3 shows a schematic structural view of a fixing member cooperating with an end cap in an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a fuse matched with an end cover in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Figure 1 shows an elevation view of an end cap applied to a fuse in an embodiment of the invention; figure 2 shows a top view of an end cap applied to a fuse in an embodiment of the invention; fig. 3 shows a schematic structural view of a fixing member cooperating with an end cap in an embodiment of the present invention; fig. 4 shows a schematic structural diagram of a fuse matched with an end cover in an embodiment of the present invention.
The embodiment of the utility model provides an end cover applied to a fuse, which comprises an end cover base 1 and a wiring board 2; through end cover base 1 is connected fixedly with the fuse, wiring board 2 is responsible for merging into the circuit wiring.
Correspondingly, a plurality of first fixing holes 11 are formed in the bottom of the end cover base 1, and the plurality of first fixing holes 11 are distributed at equal intervals along the same circumference; through first fixed orifices 11 and matched with fuse counterpoint and are connected, fix through the bolt, ensured the reliability that end cover and fuse are connected.
Specifically, the inside of a plurality of first fixed orificess 11 is provided with the screw thread, through the screw thread in the first fixed orificess 11, the end cover is counterpointed with corresponding fuse and is connected, then uses the bolt of customization to turn round tight fixedly.
The end cover base 1 is circular, and is matched with a porcelain bushing of the fuse through the circular end cover base 1; an inner circle is arranged in the circular end cover base 1, the circle center of the inner circle is the same as that of the end cover base, and the core melting process of the fuse tube 4 is simplified through the structure of the inner circle.
Particularly, still be provided with the circular recess in the circular shape end cover base 1, the centre of a circle of circular recess with the centre of a circle of end cover base 1 is the same, just be provided with the rubber sealing ring in the circular recess, through the rubber sealing ring reaches isolated fuse-element of sealed fuse and external, prolongs the life of fuse.
The embodiment of the utility model provides an in, wiring board 2 sets up the top of end cover base 1, just be provided with a plurality of second fixed orificess 21 on the wiring board, a plurality of second fixed orificess 21 are followed the equidistant distribution of central line of wiring board, through a plurality of second fixed orificess 21, the fuse is connected fixedly with the electric wire netting.
Specifically, wiring board 2 is the rectangle, through wiring board 2 of rectangle structure has increased the area of contact of end cover avoids leading to the problem of breaking fault because of area of contact is little.
Wherein, be provided with two second fixed orificess 21 on rectangular wiring board 2, two second fixed orificess 21 are followed the central line equidistant distribution of wiring board, the end cover passes through second fixed orificess 21 on the wiring board 2 carries out two bolts and fixes, increases the stability that the end cover is connected in the use, ensures its problem that can not break down in the use.
The embodiment of the utility model provides a fuse, the fuse includes fuse tube 4, insulator 5, insulating pillar 6, fastening flange 7, end cover mounting 3 and end cover 1; the fuse is fixed with the end cover through the wiring end cover fixing part 3.
Specifically, the melt pipe 4 is arranged inside the porcelain bushing 5, so that a fusible core in the melt pipe can be replaced conveniently; and the two ends of the porcelain bushing 5 are provided with wiring end cover fixing parts 3, and the wiring end cover fixing parts 3 are in contraposition connection with the first fixing holes 11 on the end cover base 1, so that the connection steps of the end cover and the fuse are simplified.
The wiring end cover fixing part 3 is provided with a fixed guide rail group, the fixed guide rail group is used for connecting the end cover fixing part and the wiring end cover fixing part in an aligned mode, and then the end cover fixing part is fixed by bolts to guarantee the fixing performance of the end cover fixing part.
Specifically, the number of the fixed guide rail groups is four horn-shaped fixed guide rails 31, and the horn-shaped fixed guide rails 31 are arranged clockwise; when the end cover is connected with the wiring end cover fixing piece 3, the first fixing hole 11 is aligned with the first connecting hole 311 on the fixed guide rail 31, the bolt is screwed, then the end cover is twisted to move the first fixing hole 11 to the second connecting hole to be screwed and fixed by the bolt, and the disassembly step is simplified when the end cover is disassembled through the horn-shaped fixed guide rail.
The utility model provides a be applied to end cover of fuse, the beneficial effect that this end cover reaches is: the wiring end cover is of a circular structure, four fixing holes are uniformly formed in the four ends of the outer circle in an equilateral mode, the alignment bolts are installed to be conveniently connected with the alignment holes of the fixing piece of the wiring end cover, a circular groove is formed in the edge of the inner portion of the wiring end cover, and a sealing rubber ring is installed; the center is provided with an inner circle with the same diameter as the fuse tube, so that the fuse core can be conveniently replaced and aligned. The wiring board is arranged outside the end cover, a rectangular structure is adopted, and double bolts are fixed to ensure reliable connection with the outside.
In addition, the end cover and the fuse applied to the fuse in one embodiment of the present invention are introduced in detail, and a specific example should be adopted herein to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. An end cover applied to a fuse is characterized by comprising an end cover base and a wiring board;
the bottom of the end cover base is provided with a plurality of first fixing holes which are distributed at equal intervals along the same circumference;
the wiring board is arranged above the end cover base, a plurality of second fixing holes are formed in the wiring board, and the second fixing holes are distributed at equal intervals along the central line of the wiring board.
2. The end cap of claim 1, wherein the end cap base is circular, an inner circle is disposed in the circular end cap base, and the center of the inner circle is the same as the center of the end cap base.
3. The end cap of claim 2, wherein the circular end cap base is further provided with a circular groove, the circle center of the circular groove is the same as the circle center of the end cap base, and a sealing rubber ring is arranged in the circular groove.
4. The end cap of claim 1, wherein the plurality of first fixing holes are internally threaded.
5. An end cap according to claim 1, wherein the terminal plate is rectangular and two second fixing holes are provided in the rectangular terminal plate, the two second fixing holes being equally spaced along a centre line of the terminal plate.
6. A fuse comprising the end cap of any one of claims 1 to 5, a fuse tube, a porcelain bushing, an insulating support, a fastening flange and an end cap holder;
the fuse tube is arranged in the porcelain bushing, and the two ends of the porcelain bushing are provided with wiring end cover fixing parts which are connected with the end covers in an alignment way;
and a fastening flange is arranged in the middle of the porcelain bushing and is connected with the insulating support.
7. The fuse of claim 6, wherein the terminal cover fixing member is provided with a fixed rail group, the fixed rail group includes a plurality of horn-shaped fixed rails, the plurality of fixed rails are arranged in a clockwise direction or a counterclockwise direction, and the plurality of fixed rails correspond to the plurality of first fixing holes one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788107.1U CN211150484U (en) | 2019-10-23 | 2019-10-23 | Be applied to end cover and fuse of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788107.1U CN211150484U (en) | 2019-10-23 | 2019-10-23 | Be applied to end cover and fuse of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150484U true CN211150484U (en) | 2020-07-31 |
Family
ID=71774260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921788107.1U Expired - Fee Related CN211150484U (en) | 2019-10-23 | 2019-10-23 | Be applied to end cover and fuse of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211150484U (en) |
-
2019
- 2019-10-23 CN CN201921788107.1U patent/CN211150484U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200731 Termination date: 20211023 |