CN207947211U - A kind of cylinder for vacuum interrupter - Google Patents
A kind of cylinder for vacuum interrupter Download PDFInfo
- Publication number
- CN207947211U CN207947211U CN201721917928.1U CN201721917928U CN207947211U CN 207947211 U CN207947211 U CN 207947211U CN 201721917928 U CN201721917928 U CN 201721917928U CN 207947211 U CN207947211 U CN 207947211U
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- CN
- China
- Prior art keywords
- metal
- weldingly fixed
- ceramic shell
- fixed
- metal cover
- 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 a kind of cylinders for vacuum interrupter, including form the ceramic shell of accommodating cavity and the metal end for blocking ceramic shell both ends open, and metal end includes moved end end cap and static side end cap；Moved end end cap includes the first metal cover 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, and the first metal cover includes the tubular weldment fixed part being weldingly fixed on the internal perisporium of a corresponding welding groove, the welded connection being connected is welded and fixed with the second metal cover and welded seal portion that bellows part one end is weldingly connected and centre bore；The other end of bellows part is weldingly fixed on assistant metal sealing element, which is weldingly fixed on the periphery wall of moving contact.The welding structure that the utility model passes through improvement metal end and ceramic shell so that weld strength is higher, and shock resistance is good, is hardly damaged.
Description
Technical field
The utility model belongs to vacuum extinction technical field, and in particular to a kind of cylinder for vacuum interrupter.
Background technology
Vacuum interrupter is generally made of dynamic and static contact, metallic shield, bold and vigorous line pipe, capping and one ceramic annulus
Sealing container composition, wherein ceramic annulus and corresponding cover combination form a cylinder；Mechanism action makes dynamic and static contact connect
It touches, separation, the flange welding of bellows and moving contact and sealing container, when ensure that moving contact axially moves, in container
Vacuum degree is unaffected.The advantages that vacuum interrupter has strong breaking capacity, and electric arc is not exposed, permission frequent operation, is suitable for
Electrification on-off line operation as 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
It is good that the purpose of this utility model is to provide a kind of shock resistance, the non-damageable cylinder for vacuum interrupter
Body.
Realizing the technical solution of the utility model aim is：A kind of cylinder for vacuum interrupter, including formed accommodating
The ceramic shell of chamber and metal end for blocking ceramic shell both ends open, metal end include be adapted to moving contact it is dynamic
End end cap and the static side end cap being adapted to static contact；Moved end end cap includes the first metal cover being weldingly fixed on ceramic shell
With 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
Lid includes the tubular weldment fixed part being weldingly fixed on the internal perisporium of a corresponding welding groove, is welded and fixed with the second metal cover
The welded seal portion and centre bore that connected welded connection and bellows part one end are weldingly connected；Bellows part it is another
End is weldingly fixed on assistant metal sealing element, which is weldingly fixed on the periphery wall of moving contact.
Said program is further preferably：The center of second metal cover is equipped with slide opening, and moving contact is back and forth slided along the slide opening
It is dynamic.
Said program is further preferably：Static side end cap is weldingly fixed on ceramic shell and static contact periphery wall
Metallic sealed cover, static side end cap include the tubular seals portion being weldingly fixed on ceramic shell and center through hole, tubular seals portion
It is weldingly fixed on the internal perisporium of a corresponding welding groove, center through hole is weldingly fixed on the periphery wall of static contact.
The utility model has the following advantages：By the welding structure for improving metal end and ceramic shell so that welding
Intensity is higher, and shock resistance is good, is hardly damaged.
Description of the drawings
Fig. 1 is a kind of half section structure diagram of the utility model；
Fig. 2 is a kind of half section structure diagram using vacuum interrupter made of cylinder shown in Fig. 1.
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, cylinder)
The present embodiment is a kind of cylinder for vacuum interrupter, as shown in Figure 1, including forms the ceramic shell of accommodating cavity
1 and the metal end 2 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 side end cap is the metallic sealed cover being weldingly fixed on ceramic shell and static contact periphery wall, and static side end cap includes
The tubular seals portion 221 being weldingly fixed on ceramic shell and center through hole 222, tubular seals portion are weldingly fixed on corresponding one
On the internal perisporium of welding groove, center through hole is weldingly fixed on the periphery wall of static contact.
The present embodiment pass through improve metal end and ceramic shell welding structure so that the present embodiment weld strength compared with
Height, shock resistance is good, is hardly damaged.
(application examples 1, vacuum interrupter)
The application example is to use a kind of vacuum interrupter made of embodiment 1, as shown in Figure 2, including it is described in embodiment 1
Cylinder, moving contact 3, static contact 4, bellows part 5 and metallic shield 6.
The cylinder 2 includes the ceramic shell 1 for forming accommodating cavity and the metal end for blocking ceramic shell both ends open
2。
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 cylinder for vacuum interrupter, including form the ceramic shell of accommodating cavity and for blocking ceramic shell both ends
The metal end of opening, metal end include the moved end end cap being adapted to moving contact and the static side end cap being adapted to static contact；
It is characterized in that：
Moved end end cap include the first metal cover being weldingly fixed on ceramic shell and be weldingly fixed on the first metal cover the
Two metal covers；The inner wall at ceramic shell both ends is equipped with welding groove, and the first metal cover includes being weldingly fixed on a corresponding welding
Tubular weldment fixed part on the internal perisporium of slot is welded and fixed the welded connection being connected and bellows part with the second metal cover
The welded seal portion and centre bore that one end is weldingly connected；The other end of bellows part is weldingly fixed on assistant metal sealing element
On, which is weldingly fixed on the periphery wall of moving contact.
2. the cylinder according to claim 1 for vacuum interrupter, it is characterised in that：The center of second metal cover is equipped with
Slide opening, moving contact reciprocatingly slide along the slide opening.
3. the cylinder according to claim 1 for vacuum interrupter, it is characterised in that：Static side end cap is to be weldingly fixed on
Metallic sealed cover on ceramic shell and static contact periphery wall, static side end cap include that the tubulose that is weldingly fixed on ceramic shell is close
Envelope portion and center through hole, tubular seals portion are weldingly fixed on the internal perisporium of a corresponding welding groove, and center through hole is welded and fixed
On the periphery wall of static contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917928.1U CN207947211U (en) | 2017-12-28 | 2017-12-28 | A kind of cylinder for vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917928.1U CN207947211U (en) | 2017-12-28 | 2017-12-28 | A kind of cylinder for vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947211U true CN207947211U (en) | 2018-10-09 |
Family
ID=63701343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721917928.1U Expired - Fee Related CN207947211U (en) | 2017-12-28 | 2017-12-28 | A kind of cylinder for vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320994A (en) * | 2017-12-28 | 2018-07-24 | 毛红玲 | A kind of cylinder for vacuum interrupter |
-
2017
- 2017-12-28 CN CN201721917928.1U patent/CN207947211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320994A (en) * | 2017-12-28 | 2018-07-24 | 毛红玲 | A kind of cylinder for vacuum interrupter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200119 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 |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |