CN201735960U - Structural improvement of solder wire - Google Patents
Structural improvement of solder wire Download PDFInfo
- Publication number
- CN201735960U CN201735960U CN2010202180364U CN201020218036U CN201735960U CN 201735960 U CN201735960 U CN 201735960U CN 2010202180364 U CN2010202180364 U CN 2010202180364U CN 201020218036 U CN201020218036 U CN 201020218036U CN 201735960 U CN201735960 U CN 201735960U
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- CN
- China
- Prior art keywords
- layer
- welding wire
- scaling powder
- structural improvement
- tin
- 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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- Arc Welding In General (AREA)
Abstract
The utility model relates to a structural improvement of a solder wire, which comprises a soldering flux layer located at an innermost layer, a tin layer coated on the soldering flux layer and a copper layer which is coated on the tin layer. A V-shaped notch is arranged on the tin layer and the copper layer, and the notch extends to the outer surface of the soldering flux layer. The solder wire can effectively prevent soldering flux and the tin layer from splashing and simultaneously has stronger inoxidizability.
Description
[technical field]
The utility model relates to a kind of structural improvement of welding wire, belongs to the metal welding techniques field.
[background technology]
Existing welding wire structure, shown in No. the 200920130909.3rd, People's Republic of China's utility model patent, it comprises that one is positioned at the scaling powder layer of core and is wrapped in the outer tin layer of scaling powder layer.
Higher when above-mentioned welding wire temperature in use, welding wire is positioned at inner scaling powder fusing and vaporization rapidly under the situation of being heated, and internal pressure increases thereupon, the phenomenon that scaling powder and tin layer splash occurs through regular meeting, thereby causes welding quality relatively poor.
Simultaneously, solder stick surface oxidation-resistant ability, oxidation deterioration, the directly intensity of influence welding easily.
Therefore, for avoiding above-mentioned technical problem, the necessary more reasonably welding wire of a kind of structure that provides is to overcome described defective of the prior art.
[utility model content]
For addressing the above problem, the purpose of this utility model is to provide a kind of welding wire with improved structure, and this welding wire can prevent effectively that scaling powder and tin layer from splashing, and simultaneously, has stronger non-oxidizability.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of structural improvement of welding wire, it comprises the scaling powder layer that is positioned at the innermost layer, be coated on tin layer on the scaling powder layer and be coated on copper layer on the tin layer, be provided with the breach of a V-arrangement in described tin layer and copper layer, described breach extends to the outer surface of scaling powder layer.
Welding wire of the present utility model further can be set to: described breach extends along the length direction of welding wire.
Welding wire of the present utility model also can be set to: the thickness of described copper layer is 0.3～1.5 μ m.
Compared with prior art, the utlity model has following beneficial effect: welding wire of the present utility model discharges the pressure after the scaling powder layer is heated by the breach of a V-arrangement is set in the breach of V-arrangement, avoided scaling powder and tin layer to splash.Simultaneously, welding wire of the present utility model can effectively prevent the oxidation of welding wire at the outer coating layer of copper layer of tin layer, helps improving the quality of welding.
[description of drawings]
Fig. 1 is the sectional view of welding wire of the present utility model.
[specific embodiment]
See also shown in Figure 1, the utility model is a kind of structural improvement of welding wire, the rounded structure in its cross section, comprise that it comprises the scaling powder layer 1 that is positioned at the innermost layer, be coated on tin layer 2 on the scaling powder layer and be coated on copper layer 3 on the tin layer, be provided with the breach 4 of a V-arrangement in described tin layer 2 and copper layer 3, described breach 4 extends on the outer surface of scaling powder layer 1.And described breach 4 extends along the length direction of welding wire.The thickness of described copper layer is 0.3～1.5 μ m.
The breach 4 of welding wire of the present utility model by a V-arrangement is set discharges the pressure after scaling powder layer 1 is heated in the breach 4 of V-arrangement, avoided scaling powder and tin layer 2 to splash.Simultaneously, welding wire of the present utility model can effectively prevent the oxidation of welding wire at the outer coating layer of copper layer 3 of tin layer 2, helps improving the quality of welding.
The above specific embodiment only is the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within made any modification, be equal to replacement, improvement etc., all should be included within the protection domain of this creation.
Claims (3)
1. the structural improvement of a welding wire, it is characterized in that, comprise the scaling powder layer that is positioned at the innermost layer, be coated on tin layer on the scaling powder layer and be coated on copper layer on the tin layer, be provided with the breach of a V-arrangement in described tin layer and copper layer, described breach extends to the outer surface of scaling powder layer.
2. the structural improvement of welding wire according to claim 1 is characterized in that, described breach extends along the length direction of welding wire.
3. the structural improvement of welding wire according to claim 1 is characterized in that the thickness of described copper layer is 0.3～1.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202180364U CN201735960U (en) | 2010-06-08 | 2010-06-08 | Structural improvement of solder wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202180364U CN201735960U (en) | 2010-06-08 | 2010-06-08 | Structural improvement of solder wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201735960U true CN201735960U (en) | 2011-02-09 |
Family
ID=43551242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202180364U Expired - Fee Related CN201735960U (en) | 2010-06-08 | 2010-06-08 | Structural improvement of solder wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201735960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433640A (en) * | 2013-08-24 | 2013-12-11 | 昆山市宏嘉焊锡制造有限公司 | Anti-spattering soldering tin wire structure |
-
2010
- 2010-06-08 CN CN2010202180364U patent/CN201735960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433640A (en) * | 2013-08-24 | 2013-12-11 | 昆山市宏嘉焊锡制造有限公司 | Anti-spattering soldering tin wire structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130608 |