CN212365839U - Static cover plate for reducing falling of vacuum arc extinguish chamber - Google Patents
Static cover plate for reducing falling of vacuum arc extinguish chamber Download PDFInfo
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- CN212365839U CN212365839U CN202021320202.1U CN202021320202U CN212365839U CN 212365839 U CN212365839 U CN 212365839U CN 202021320202 U CN202021320202 U CN 202021320202U CN 212365839 U CN212365839 U CN 212365839U
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- fillet
- vacuum interrupter
- cover plate
- static cover
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Abstract
The utility model discloses a reduce quiet apron of vacuum interrupter who drops, this quiet apron include the open cupped lid in upper end connect through hole has been seted up in the correspondence of axis department of lid the side correspondence of lid is equipped with annular ring, the ring is the open structure of lower extreme still the correspondence is equipped with in the ring has seted up the spacing groove, the spacing groove is seted up in the ring groove of keeping away from connect through hole one side. The utility model relates to a diameter size that reduces the quiet apron of vacuum interrupter who drops diminishes, at the high temperature expansion through 845 ℃, quiet apron is at the size after the high temperature expansion, also can be complete on same central point, and the face of weld also changes thereupon, reduces the stress of apron, can the at utmost avoid quiet apron to drop.
Description
Technical Field
The utility model belongs to the technical field of electric power equipment and specifically relates to a reduce quiet apron of vacuum interrupter who drops.
Background
A vacuum arc-extinguishing chamber, also known as a vacuum switch tube, is a core component of a medium-high voltage power switch, has the main functions of rapidly extinguishing arc and inhibiting current after a medium-high voltage circuit is cut off a power supply through excellent vacuum insulativity in the tube, avoids accidents and accidents, is mainly applied to a power transmission and distribution control system of electric power, and is also applied to power distribution systems of metallurgy, mines, petroleum, chemical engineering, railways, broadcasting, communication, industrial high-frequency heating and the like. The device has the characteristics of energy conservation, material conservation, fire prevention, explosion prevention, small volume, long service life, low maintenance cost, reliable operation, no pollution and the like. The vacuum arc-extinguishing chamber is divided into an arc-extinguishing chamber for a circuit breaker and an arc-extinguishing chamber for a load switch from the aspect of use, the arc-extinguishing chamber for the circuit breaker is mainly used for transformer substations and power grid facilities in the power sector, and the arc-extinguishing chamber for the load switch is mainly used for end users of a power grid.
All set up on same central point when original quiet apron and pottery set up, nevertheless quiet apron and pottery are through 845 ℃ high temperature welding back, because the material is different, so coefficient of expansion also can become different, and the welding is stress central point also not on same central point together, and stress can make the very firm place of welding appear like this, appears the condition that the apron drops when using on the switch. Therefore, a static cover plate of the vacuum arc-extinguishing chamber with less falling needs to be designed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the static cover plate of the vacuum arc-extinguishing chamber with less falling is provided.
The utility model discloses a following scheme realizes:
the utility model provides a reduce quiet apron of vacuum interrupter who drops, this quiet apron includes the open cupped lid in upper end connect through hole has been seted up to the correspondence of axis department of lid the side correspondence of lid is equipped with annular, the annular is the open structure of lower extreme still the correspondence is equipped with in the annular has seted up the spacing groove, the spacing groove is seted up in the annular of keeping away from connect through hole one side.
The central axis of the cover body is correspondingly overlapped with the central axis of the connecting through hole.
The diameter of the connecting through hole is 26 mm.
The cover body comprises a disc-shaped bottom plate, an upward sleeve-shaped enclosing baffle is correspondingly arranged on the side edge of the bottom plate, a first round angle is correspondingly arranged at the joint of the bottom plate and the enclosing baffle, and the two ends of the first round angle are correspondingly connected with the bottom plate and the enclosing baffle respectively.
The thickness of bottom plate is 2mm, the width of bottom plate is 8 mm.
Enclose the thickness of keeping off and be 2mm, the external diameter of enclosing the fender is 50mm, it is 2.5mm to enclose the height of keeping off.
The radian of first fillet is 90 degrees, the internal diameter of first fillet is 4mm, the external diameter of first fillet is 8 mm.
The cross section of the ring groove is of a structure with an opening at the lower end, the thickness of the ring groove is 2mm, the height of the ring groove is 8.5mm, and the width of the ring groove is 10.5 mm; the width of spacing groove is 1mm, the height of spacing groove is 4 mm.
A second fillet and a third fillet are correspondingly arranged on two sides of the top of the ring groove, the radian of the second fillet is 90 degrees, the inner diameter of the second fillet is 4mm, and the outer diameter of the second fillet is 8 mm;
the radian of the third fillet is 90 degrees, the inner diameter of the third fillet is 4mm, and the outer diameter of the third fillet is 8 mm.
The utility model has the advantages that:
the utility model relates to a diameter size that reduces the quiet apron of vacuum interrupter who drops diminishes, at the high temperature expansion through 845 ℃, quiet apron is at the size after the high temperature expansion, also can be complete on same central point, and the face of weld also changes thereupon, reduces the stress of apron, can the at utmost avoid quiet apron to drop.
Drawings
Fig. 1 is a schematic structural view of a vacuum interrupter static cover plate for reducing falling off according to the present invention;
in the figure: 1 is the lid, and 11 are the bottom plate, and 12 are for enclosing the fender, and 13 are first fillet, and 2 are connect the through-hole, and 3 are the annular, and 4 are the spacing groove, and 5 are the second fillet, and 6 are the third fillet.
Detailed Description
The preferred embodiments of the present invention will be further described with reference to the accompanying drawings in which:
the utility model provides a reduce quiet apron of vacuum interrupter who drops, this quiet apron includes upper end open cupped lid 1 the axis department of lid 1 corresponds and has seted up connect the via hole 2 the side correspondence of lid 1 is equipped with annular 3, annular 3 is the open structure of lower extreme still the correspondence is equipped with in annular 3 has seted up spacing groove 4, spacing groove 4 is seted up in the annular 3 of keeping away from connect in the via hole 2 one side. The method and the device solve the problem that the concentricity is higher in the process of welding ceramic on the static cover plate, and reduce the reaction force of the static cover plate.
The central axis of the cover body 1 is correspondingly overlapped with the central axis of the connecting through hole 2. The diameter of the connecting through hole 2 is 26 mm. The cover body 1 comprises a disc-shaped bottom plate 11, an upward sleeve-shaped enclosure 12 is correspondingly arranged on the side edge of the bottom plate 11, a first fillet 13 is correspondingly arranged at the joint of the bottom plate 11 and the enclosure 12, and two ends of the first fillet 13 are correspondingly connected with the bottom plate 11 and the enclosure 12 respectively. The thickness of bottom plate 11 is 2mm, the width of bottom plate 11 is 8 mm. Enclose fender 12 thickness and be 2mm, enclose fender 12's external diameter is 50mm, it is 2.5mm to enclose fender 12's height. The radian of first fillet 13 is 90 degrees, the internal diameter of first fillet 13 is 4mm, the external diameter of first fillet 13 is 8 mm.
The cross section of the annular groove 3 is of a structure with an opening at the lower end, the thickness of the annular groove 3 is 2mm, the height of the annular groove 3 is 8.5mm, and the width of the annular groove 3 is 10.5 mm; the width of spacing groove 4 is 1mm, the height of spacing groove 4 is 4 mm. A second fillet 5 and a third fillet 6 are correspondingly arranged on two sides of the top of the ring groove 3, the radian of the second fillet 5 is 90 degrees, the inner diameter of the second fillet 5 is 4mm, and the outer diameter of the second fillet 5 is 8 mm; the radian of the third fillet 6 is 90 degrees, the inner diameter of the third fillet 6 is 4mm, and the outer diameter of the third fillet 6 is 8 mm.
By using the static cover plate, the situation that the static cover plate and the ceramic fall off due to stress is not found so far, and the use safety is ensured.
Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a reduce quiet apron of vacuum interrupter who drops which characterized in that: this quiet apron includes open cupped lid (1) in upper end connect through hole (2) have been seted up to the axis department correspondence of lid (1) the side correspondence of lid (1) is equipped with annular (3), annular (3) are the open structure of lower extreme still the correspondence is equipped with in annular (3) has seted up spacing groove (4), spacing groove (4) are seted up in annular (3) of keeping away from connect through hole (2) one side.
2. The vacuum interrupter static cover plate with reduced dropout of claim 1, wherein: the central axis of the cover body (1) is correspondingly overlapped with the central axis of the connecting through hole (2).
3. The vacuum interrupter static cover plate with reduced dropout of claim 1, wherein: the diameter of the connecting through hole (2) is 26 mm.
4. The vacuum interrupter static cover plate with reduced dropout of claim 1, wherein: the cover body (1) comprises a disc-shaped bottom plate (11), an upward sleeve-shaped enclosure (12) is correspondingly arranged on the side edge of the bottom plate (11), a first round angle (13) is correspondingly arranged at the joint of the bottom plate (11) and the enclosure (12), and two ends of the first round angle (13) are correspondingly connected with the bottom plate (11) and the enclosure (12) respectively.
5. The vacuum interrupter static cover plate with reduced dropout of claim 4, wherein: the thickness of bottom plate (11) is 2mm, the width of bottom plate (11) is 8 mm.
6. The vacuum interrupter static cover plate with reduced dropout of claim 4, wherein: enclose the thickness of keeping off (12) and be 2mm, the external diameter that encloses fender (12) is 50mm, it is 2.5mm to enclose the height of keeping off (12).
7. The vacuum interrupter static cover plate with reduced dropout of claim 4, wherein: the radian of first fillet (13) is 90 degrees, the internal diameter of first fillet (13) is 4mm, the external diameter of first fillet (13) is 8 mm.
8. The vacuum interrupter static cover plate with reduced dropout of claim 1, wherein: the cross section of the ring groove (3) is of a structure with an opening at the lower end, the thickness of the ring groove (3) is 2mm, the height of the ring groove (3) is 8.5mm, and the width of the ring groove (3) is 10.5 mm; the width of spacing groove (4) is 1mm, the height of spacing groove (4) is 4 mm.
9. The vacuum interrupter static cover plate with reduced dropout of claim 1, wherein: a second fillet (5) and a third fillet (6) are correspondingly arranged on two sides of the top of the ring groove (3), the radian of the second fillet (5) is 90 degrees, the inner diameter of the second fillet (5) is 4mm, and the outer diameter of the second fillet (5) is 8 mm;
the radian of third fillet (6) is 90 degrees, the internal diameter of third fillet (6) is 4mm, the external diameter of third fillet (6) is 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021320202.1U CN212365839U (en) | 2020-07-08 | 2020-07-08 | Static cover plate for reducing falling of vacuum arc extinguish chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021320202.1U CN212365839U (en) | 2020-07-08 | 2020-07-08 | Static cover plate for reducing falling of vacuum arc extinguish chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212365839U true CN212365839U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021320202.1U Active CN212365839U (en) | 2020-07-08 | 2020-07-08 | Static cover plate for reducing falling of vacuum arc extinguish chamber |
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| Country | Link |
|---|---|
| CN (1) | CN212365839U (en) |
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- 2020-07-08 CN CN202021320202.1U patent/CN212365839U/en active Active
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Static cover plate of vacuum arc extinguishing chamber for reducing falling off Effective date of registration: 20210903 Granted publication date: 20210115 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: Xiamen Sen Light Electric Technology Co.,Ltd. Registration number: Y2021980008877 |