CN205789699U - Vacuum extinction chamber air-tightness weld seam welding solder - Google Patents
Vacuum extinction chamber air-tightness weld seam welding solder Download PDFInfo
- Publication number
- CN205789699U CN205789699U CN201620690497.9U CN201620690497U CN205789699U CN 205789699 U CN205789699 U CN 205789699U CN 201620690497 U CN201620690497 U CN 201620690497U CN 205789699 U CN205789699 U CN 205789699U
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- China
- Prior art keywords
- weld seam
- chamber air
- external diameter
- seam welding
- extinction chamber
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- Expired - Fee Related
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Abstract
The open a kind of vacuum extinction chamber air-tightness weld seam welding solder of this utility model, including body in the form of a ring；The external diameter of the flange of the external diameter of the described body external diameter more than the stainless steel sealed ring of described vacuum interrupter and the oxygen-free copper transition rings less than or equal to this vacuum interrupter, the internal diameter of this body is suitable with the external diameter of the oxygen-free copper transition rings of this vacuum interrupter.It realizes the airtight welding of vacuum extinction chamber air-tightness weld seam, reaches weld seam round and smooth without protruding, it is ensured that the insulating properties of vacuum interrupter simultaneously.This utility model handling ease, low cost.
Description
Technical field
This utility model relates to solder, is specifically related to vacuum extinction chamber air-tightness weld seam welding solder.
Background technology
Vacuum extinction chamber air-tightness weld seam is to be welded by solder, and material and the braze-welded structure of solder are the most crucial,
The most conventional porcelain envelope welding manner is: stainless steel sealed ring welds with porcelain shell, eliminates stress, choosing by oxygen-free copper transition rings transition
With AgCuNi2/ φ 0.8 material.
Using 0.8 material of AgCuNi2/ φ to weld, must knotting fix, joint area can not be pressed because of prominent,
Owing to AgCuNi2 solder is wandering poor, preferably suppress use.The most downtrodden solder joints can form projection after high temperature melting,
This projection affects insulation and the outward appearance of product.
At present, eliminating solder joints has two ways: 1) with the good AgCu28 solder of free-running property, need to be by stainless steel sealed ring
Carry out nickel plating and burn nickel, increasing process costs.2) use the shaping solder of AgCuNi2 material, but (1mm is left owing to solder side is narrow
Right), and sleeve area is also big, shapes solder and is difficult to processing, simultaneously need to increase solder thickness to ensure amount of solder, its strip specification
The most common, solder cost is high.
For this reason, it may be desirable to seek a kind of technical scheme, at least to alleviate the problems referred to above.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of vacuum that can prevent from forming projection after high temperature melting
Arc-chutes air-tightness weld seam welding solder.
For solving above-mentioned technical problem, this utility model uses following technical proposals.
A kind of vacuum extinction chamber air-tightness weld seam welding solder, including body in the form of a ring；The external diameter of described body is big
In described vacuum interrupter stainless steel sealed ring external diameter and less than or equal to the oxygen-free copper transition rings of this vacuum interrupter
The external diameter of flange, the internal diameter of this body is suitable with the external diameter of the oxygen-free copper transition rings of this vacuum interrupter.
Described body is open loop structure, forms opening between its two free end.
Distance≤0.5mm between described two free ends.
The internal diameter of described body is 78.1-78.2mm.
The external diameter of described body is 79.8-80.0mm.
Axial length >=the 0.4mm of described body.
Described body is made up of AgCuNi1.
This utility model has following Advantageous Effects.
During use, solder of the present utility model is set in oxygen-free copper transition rings, is pressed with the end face of stainless steel sealed ring
Be formed on the flange of oxygen-free copper transition rings, during high temperature melting by the flange of the end face of stainless steel sealed ring and oxygen-free copper transition rings it
Between the capillarity that produces of gap solder wettable is filled up this gap, it is achieved airtight welding, reach weld seam round and smooth without protruding simultaneously,
Ensure that the insulating properties of vacuum interrupter.This utility model handling ease, low cost.
Accompanying drawing explanation
Fig. 1 schematically shows structure chart of the present utility model.
Fig. 2 schematically shows the structure chart during vacuum interrupter assembling that this utility model relates to.
Detailed description of the invention
Below in conjunction with embodiment, content of the present utility model is described in further details, but embodiment of the present utility model
It is not limited to this.
Fig. 1 schematically shows a kind of vacuum extinction chamber air-tightness weld seam welding weldering in the numerous embodiment of this utility model
The embodiment of material.
As Fig. 1,2, this utility model relates to oxygen-free copper transition rings 3 and is set in the rustless steel outside this oxygen-free copper transition rings 3
Sealing ring 2, between having between flange 31 and the end face relative with this flange 31 of stainless steel sealed ring 2 of oxygen-free copper transition rings 3
Gap, this gap is in the form of a ring.
Vacuum extinction chamber air-tightness weld seam welding solder of the present utility model includes body 1, and body 1 is in the form of a ring.
See Fig. 2 in the lump, the internal diameter of body 1 more than vacuum interrupter stainless steel sealed ring 2 external diameter and less than or etc.
In the external diameter of flange 31 of the oxygen-free copper transition rings 3 of this vacuum interrupter, the internal diameter of body 1 and the oxygen-free copper of this vacuum interrupter
The flange outer diameter of transition rings 3 is suitable.
In certain embodiments, seeing Fig. 1, body 1 is open loop structure, between its two free end formed opening 11, with
Guarantee that solder is fitted with oxygen-free copper transition rings 3 by adjustment opening 11 during use
In certain embodiments, the distance≤0.5mm between two free ends of body 1.
In certain embodiments, the internal diameter of body selects between 78.1-78.2mm, and such as, the internal diameter of body can be
78.1mm, 78.15mm or 78.2mm etc..
In certain embodiments, the external diameter of body selects between 79.8-80.0mm, and such as, the external diameter of body can be
79.8mm, 79.9mm or 80.0mm etc..
In certain embodiments, the axial length of body is more than or equal to 0.4mm, specifically can select according to practice of construction demand
Select, such as, select 0.4mm, 0.5mm, 0.6mm etc..
Above-mentioned body 1 can be, but not limited to be made up of AgCuNi1.
This utility model provides the making side of a kind of above-mentioned presented vacuum extinction chamber air-tightness weld seam welding solder
Method, first shapes the mould coiling of the AgCuNi1 solder of φ 0.8 specification, in a vacuum furnace high temperature (660 DEG C) sizing, will weldering
Material is cut and is made circle material, is then placed on punch forming in particular manufacturing craft, thus makes the solder of said structure.
It should be noted that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable feelings
Under condition, can by any applicable by the way of be combined.Each concrete technology described in different detailed description of the invention is special
Levy, in the case of reconcilable, each other can also by any applicable by the way of be combined.In order to avoid unnecessary
Repeating, various possible compound modes are not described further by this utility model.
Above with reference to embodiment, this utility model is described in detail, has been illustrative and not restrictive,
Without departing from the change under this utility model general plotting and/or amendment, all within protection domain of the present utility model.
Claims (7)
1. a vacuum extinction chamber air-tightness weld seam welding solder, it is characterised in that include body in the form of a ring；Described body
External diameter more than the external diameter of the stainless steel sealed ring of described vacuum interrupter and less than or equal to the oxygen-free copper of this vacuum interrupter
The external diameter of the flange of transition rings, the internal diameter of this body is suitable with the external diameter of the oxygen-free copper transition rings of this vacuum interrupter.
Vacuum extinction chamber air-tightness weld seam welding solder the most according to claim 1, it is characterised in that described body is
Open loop structure, forms opening between its two free end.
Vacuum extinction chamber air-tightness weld seam welding solder the most according to claim 2, it is characterised in that described two freely
Distance≤0.5mm between end.
Vacuum extinction chamber air-tightness weld seam welding solder the most according to claim 1, it is characterised in that described body
Internal diameter is 78.1-78.2mm.
Vacuum extinction chamber air-tightness weld seam welding solder the most according to claim 1, it is characterised in that described body
External diameter is 79.8-80.0mm.
Vacuum extinction chamber air-tightness weld seam welding solder the most according to claim 1, it is characterised in that described body
Axial length >=0.4mm.
7. according to the vacuum extinction chamber air-tightness weld seam welding solder described in any one of claim 1 to 6, it is characterised in that
Described body is made up of AgCuNi1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620690497.9U CN205789699U (en) | 2016-07-04 | 2016-07-04 | Vacuum extinction chamber air-tightness weld seam welding solder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620690497.9U CN205789699U (en) | 2016-07-04 | 2016-07-04 | Vacuum extinction chamber air-tightness weld seam welding solder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789699U true CN205789699U (en) | 2016-12-07 |
Family
ID=58126878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620690497.9U Expired - Fee Related CN205789699U (en) | 2016-07-04 | 2016-07-04 | Vacuum extinction chamber air-tightness weld seam welding solder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789699U (en) |
-
2016
- 2016-07-04 CN CN201620690497.9U patent/CN205789699U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161207 Termination date: 20190704 |