CN207947212U - Promote the vacuum interrupter of impact strength - Google Patents
Promote the vacuum interrupter of impact strength Download PDFInfo
- Publication number
- CN207947212U CN207947212U CN201721917961.4U CN201721917961U CN207947212U CN 207947212 U CN207947212 U CN 207947212U CN 201721917961 U CN201721917961 U CN 201721917961U CN 207947212 U CN207947212 U CN 207947212U
- Authority
- CN
- China
- Prior art keywords
- support spring
- weldingly fixed
- end cap
- quiet piece
- static
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- 230000001737 promoting effect Effects 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a kind of vacuum interrupters promoting impact strength, including form ceramic shell, metal end, moving contact, static contact, bellows part and the metallic shield of accommodating cavity；Metal end includes moved end end cap and static side end cap；Static contact includes motion block, quiet piece, elastic connecting pipe and support spring；The conductive column of protrusion is equipped at quiet piece of center, support spring is set on conductive column, and one end of support spring is connected on quiet piece, and the other end of support spring is connected on motion block；Under free state, support spring struts quiet piece and motion block to form gap；One end of elastic connecting pipe is weldingly fixed on the inner wall of static side end cap, and the other end is weldingly fixed on the periphery wall of motion block, to be enclosed a vacuum-sealed cavity.The utility model has the following advantages：By the way that static contact is designed as the motion block that there is support spring to support and quiet piece, from preferable buffering effect, shock resistance is promoted.
Description
Technical field
The utility model belongs to power switchgear technical field, and in particular to it is a kind of promoted impact strength vacuum go out
Arc chamber.
Background technology
Vacuum interrupter is generally by dynamic and static contact, metallic shield, bold and vigorous line pipe and a sealing being made of ceramic annulus
Container forms, and mechanism action makes dynamic and static contact, separation, the flange welding of bellows and moving contact and sealing container ensure
When moving contact axially moves, the vacuum degree in container is unaffected.Vacuum interrupter has strong breaking capacity, electric arc not outer
The advantages that dew, permission frequent operation, it is suitable as the electrification on-off line operation of various types of vacuum switches.
The moving contact of vacuum interrupter is when carrying out feed motion, quick action, impacts great efforts, vibrations are big, are to make
The principal element damaged at vacuum interrupter.
Utility model content
The purpose of this utility model is to provide a kind of promotion weld strength, and shock resistance is good, and non-damageable vacuum is gone out
Arc chamber.
Realizing the technical solution of the utility model aim is：A kind of vacuum interrupter promoting impact strength, including shape
At the ceramic shell of accommodating cavity, metal end, moving contact, static contact, bellows part and metallic shield；Metal end include with
The moved end end cap of moving contact adaptation and the static side end cap being adapted to static contact；Static contact includes motion block, quiet piece, elastic connecting pipe
And support spring；The conductive column of protrusion is equipped at quiet piece of center, support spring is set on conductive column, and one end of support spring is connected to quiet piece
On, the other end of support spring is connected on motion block；Under free state, support spring struts quiet piece and motion block to form gap；Static side end cap
It is the metallic sealed cover being weldingly fixed on ceramic shell and quiet piece of periphery wall, static side end cap includes being weldingly fixed on ceramic shell
On tubular seals portion and center through hole, tubular seals portion be weldingly fixed on the internal perisporium of a corresponding welding groove；Static side end
The center through hole of lid is weldingly fixed on quiet piece of periphery wall, and one end of elastic connecting pipe is weldingly fixed on the inner wall of static side end cap
On, the other end is weldingly fixed on the periphery wall of motion block, to be enclosed a vacuum-sealed cavity.
Said program is further preferably：Conductive column, support spring are respectively positioned in the vacuum-sealed cavity.
Said program is further preferably：Elastic connecting pipe selects insulation tube to be made.
Said program is further preferably：Moved end end cap include the first metal cover for being weldingly fixed on ceramic shell and
The second metal cover being weldingly fixed on the first metal cover；The inner wall at ceramic shell both ends is equipped with welding groove, the first metal cover
Including be weldingly fixed on the internal perisporium of a corresponding welding groove tubular weldment fixed part, with the second metal cover be welded and fixed phase
Welded connection even, the welded seal portion being weldingly connected with bellows part one end and centre bore.
Said program is further preferably：The other end of bellows part is weldingly fixed on assistant metal sealing element, should
Assistant metal sealing element is weldingly fixed on the periphery wall of moving contact；The center of second metal cover is equipped with slide opening, and moving contact edge should
Slide opening reciprocatingly slides.
The utility model has the following advantages：By the way that static contact is designed as the motion block that there is support spring to support and quiet piece, from
And in feed motion, there is preferable buffering effect, promote shock resistance, be conducive to extend service life.
Description of the drawings
Fig. 1 is a kind of half section structure diagram of the utility model.
Being marked shown in attached drawing is：Ceramic shell 1, welding groove 11, metal end 2, moved end end cap 21, the first metal cover 211,
Tubular weldment fixed part 2111, welded connection 2112, welded seal portion 2113, centre bore 2114, the second metal cover 212 are quiet
End end cap 22, tubular seals portion 221, center through hole 222, moving contact 3, static contact 4, motion block 41, quiet piece 42, conductive column 421, bullet
Property connecting tube 43, support spring 44, bellows part 5, metallic shield 6, assistant metal sealing element 7, vacuum-sealed cavity 8.
Specific implementation mode
(embodiment 1)
The present embodiment is a kind of vacuum interrupter promoting impact strength, as shown in Figure 1, including forms the pottery of accommodating cavity
Porcelain shell 1, metal end 2, moving contact 3, static contact 4, bellows part 5 and metallic shield 6.
Metal end is for blocking ceramic shell both ends open；Metal end includes the moved end end cap 21 being adapted to moving contact
And the static side end cap 22 being adapted to static contact.
Moved end end cap includes the first metal cover 211 being weldingly fixed on ceramic shell and is weldingly fixed on the first metal cover
On the second metal cover 212.
The inner wall at ceramic shell both ends is equipped with welding groove 11, and the first metal cover includes being weldingly fixed on a corresponding welding
Tubular weldment fixed part 2111 on the internal perisporium of slot, be welded and fixed with the second metal cover the welded connection 2112 being connected, with
The welded seal portion 2113 and centre bore 2114 that bellows part one end is weldingly connected；The other end of bellows part is weldingly fixed on
On assistant metal sealing element 7, which is weldingly fixed on the periphery wall of moving contact.
The center of second metal cover is equipped with slide opening, and moving contact reciprocatingly slides along the slide opening.
Static contact 4 includes motion block 41, quiet piece 42, elastic connecting pipe 43 and support spring 44.
The conductive column 421 of protrusion is equipped at quiet piece of center, support spring is set on conductive column, and one end of support spring is connected to quiet
On block, the other end of support spring is connected on motion block.Under free state, support spring struts quiet piece and motion block to form gap.
Static side end cap is the metallic sealed cover being weldingly fixed on ceramic shell and quiet piece of periphery wall, and static side end cap includes weldering
The tubular seals portion 221 being fixed on ceramic shell and center through hole 222 are connect, tubular seals portion is weldingly fixed on a corresponding weldering
On the internal perisporium of access slot.
The center through hole of static side end cap is weldingly fixed on quiet piece of periphery wall, and one end of elastic connecting pipe is weldingly fixed on
On the inner wall of static side end cap, the other end is weldingly fixed on the periphery wall of motion block, to be enclosed a vacuum-sealed cavity 8,
Conductive column, support spring are respectively positioned in the vacuum-sealed cavity.Preferable scheme is that：Elastic connecting pipe selects insulation tube to be made.
The present embodiment has the following advantages：(1) pass through the welding structure of improvement metal end and ceramic shell so that this reality
It is higher to apply a weld strength, shock resistance is good, is hardly damaged.(2) by the way that static contact to be designed as to have the dynamic of support spring support
Block and quiet piece promote shock resistance, are conducive to extend using the longevity in feed motion, have preferable buffering effect
Life.
The undocumented technology of this specification is known technology, therefore is no longer described in detail.
Claims (3)
1. a kind of vacuum interrupter promoting impact strength, including form the ceramic shell of accommodating cavity, metal end, move and touch
Head, static contact, bellows part and metallic shield；Metal end includes the moved end end cap and and static contact being adapted to moving contact
The static side end cap of adaptation；It is characterized in that：Static contact includes motion block, quiet piece, elastic connecting pipe and support spring；It is set at quiet piece of center
There are the conductive column of protrusion, support spring to be set on conductive column, one end of support spring is connected on quiet piece, and the other end of support spring is connected to dynamic
On block；Under free state, support spring struts quiet piece and motion block to form gap；Static side end cap is to be weldingly fixed on ceramic shell and quiet
Metallic sealed cover on block periphery wall, static side end cap include that the tubular seals portion being weldingly fixed on ceramic shell and center are logical
Hole, tubular seals portion are weldingly fixed on the internal perisporium of a corresponding welding groove；The center through hole of static side end cap is weldingly fixed on
On quiet piece of periphery wall, one end of elastic connecting pipe is weldingly fixed on the inner wall of static side end cap, and the other end is weldingly fixed on dynamic
On the periphery wall of block, to be enclosed a vacuum-sealed cavity.
2. the vacuum interrupter according to claim 1 for promoting impact strength, it is characterised in that：Conductive column, support spring are equal
In the vacuum-sealed cavity.
3. the vacuum interrupter according to claim 2 for promoting impact strength, it is characterised in that：Elastic connecting pipe is selected
Insulation tube is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917961.4U CN207947212U (en) | 2017-12-28 | 2017-12-28 | Promote the vacuum interrupter of impact strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917961.4U CN207947212U (en) | 2017-12-28 | 2017-12-28 | Promote the vacuum interrupter of impact strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947212U true CN207947212U (en) | 2018-10-09 |
Family
ID=63701351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721917961.4U Expired - Fee Related CN207947212U (en) | 2017-12-28 | 2017-12-28 | Promote the vacuum interrupter of impact strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320995A (en) * | 2017-12-28 | 2018-07-24 | 毛红玲 | Promote the vacuum interrupter of impact strength |
-
2017
- 2017-12-28 CN CN201721917961.4U patent/CN207947212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320995A (en) * | 2017-12-28 | 2018-07-24 | 毛红玲 | Promote the vacuum interrupter of impact strength |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200120 Address after: Dawn Road 333000 in Jiangxi province Jingdezhen City Changjiang District No. 117 (city five radio components factory) Patentee after: JINGDEZHEN WANPENG ELECTRONICS CO., LTD. Address before: 213000 No. 308 North Road, Luoxi airport, Xinbei District, Changzhou, Jiangsu. Patentee before: Mao Hongling |
|
| 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: 20181009 Termination date: 20201228 |