CN201408666Y - Contact silver strip - Google Patents
Contact silver strip Download PDFInfo
- Publication number
- CN201408666Y CN201408666Y CN2009200567045U CN200920056704U CN201408666Y CN 201408666 Y CN201408666 Y CN 201408666Y CN 2009200567045 U CN2009200567045 U CN 2009200567045U CN 200920056704 U CN200920056704 U CN 200920056704U CN 201408666 Y CN201408666 Y CN 201408666Y
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- CN
- China
- Prior art keywords
- silver strip
- welding
- projection
- contact
- contact silver
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- 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 - Lifetime
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- Contacts (AREA)
Abstract
The utility model discloses a contact silver strip used for being welded with a switch copper piece. The contact silver strip comprises a using surface and a welding surface opposite to the using surface, and the welding surface is equipped with at least two projections which are stripe projections, uniformly distributed projections or matrix arranged projections. The contact silver strip can achieve enough current density when electrifying instantaneously during a welding process with the switch copper piece. Simultaneously the contact silver strip and the switch copper piece can be welded without solders, namely can be welded via an electric resistance welding form, and then the contact silver strip achieves effects of uniform welding area, simplifying technique and reducing pollution and further has the advantages of having fine welding stable quality and high product qualification rate, saving solders, reducing welding cost and the like.
Description
Technical field
The utility model relates to a kind of contact silver strip, relates in particular to a kind of contact silver strip of welding with the switch copper sheet of being used for.
Background technology
The mode that the technology of the copper sheet welding of existing contact silver strip and switch normally is heated by resistive is welded by the mode of adding solder between the substrate of contact silver strip and copper sheet.Add solder and weld the cost increase that can cause product, the solder of welding process is spread relevant with the surface appearance of workpiece (copper base) simultaneously, and the surface appearance of workpiece might adhere to greasy dirt, sweat mark etc., can cause spreading of solder inhomogeneous, the distribution that is difficult to control the welding region solder is in full accord, makes the shape of the product that welding is finished be difficult for accurately control; Speckle with greasy dirt, sweat mark the position solder spread inhomogeneous ideal, cause welding quality undesirable, thereby influence the shape and the useful life of product, cause substandard products to produce.
Summary of the invention
At the deficiencies in the prior art, the technical problems to be solved in the utility model provide welding region that a kind of copper sheet that is used for switch welds evenly, the firm welding quality is good, technology is simple, product percent of pass is high and save the contact silver strip that scolder has reduced welding cost.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: the contact silver strip that a kind of copper sheet that is used for switch welds, described contact silver strip comprises use face and the solder side relative with use face, and solder side is provided with at least two projectioies.
As the improvement of such scheme, described projection is the striped projection.
As the improvement of such scheme, described projection is a zigzag striped projection.
As the improvement of such scheme, described striped projection is evenly distributed.
As the improvement of such scheme, described projection is cross one another netted striped projection.
As the improvement of such scheme, described projection is pyramid-shaped or cone-shaped bulge.
As the improvement of such scheme, described projection is hemispherical or segment shape projection.
As the improvement of such scheme, the central longitudinal cross section of described projection is two tapers that outer convex arc is formed.
As the improvement of such scheme, described projection is matrix and evenly distributes.
As the improvement of such scheme, the peak coplanar of each described projection.
The beneficial effects of the utility model are: the solder side of contact silver strip and the welding of switch copper sheet is designed to have projection, this projection preferably is set to the striped projection, thereby the contact silver strip contacts with switch copper sheet formation line when making welding, the current density that makes the welding of electric resistance welding process moment pass through increases, thereby produce a large amount of heats, make the projection at solder side place of contact silver strip be in molten condition, and be fan-shaped and expand, finish the welding of contact silver strip and switch copper sheet near position.Described projection evenly distributes at solder side, and it is more even to make that welding process produces heat, and welding effect is better, and quality is better, welds more firm.Can use electric resistance welding to carry out the welding of workpiece after projection is set, save scolder, thereby reduced cost, reduce environmental pollution.
Description of drawings
Fig. 1 is the structural representation of the solder side of the utility model contact silver strip;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the structural representation of another embodiment of the utility model contact silver strip;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the upward view of Fig. 3;
Fig. 6 is the schematic diagram of single pyramid projection;
Fig. 7 is the schematic diagram of single conical protrusions;
Fig. 8 is the schematic cross-section of single hemispherical protuberances;
Fig. 9 is the schematic cross-section of single segment shape projection;
Figure 10 is the schematic cross-section of single external drum tapered protrusion.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the utility model is a kind of to be used for the contact silver strip 10 that the copper sheet with switch welds, part of welding back silver strip and copper sheet formation, and silver strip 10 is as the contact of switch.Described contact silver strip 10 comprises use face 16 and the solder side 18 relative with use face, and solder side 18 is provided with at least two projectioies 12.During welding, this projection 12 and copper sheet form line and contacts, thereby form the electric resistance welding melting zone of high current density, and generating heat by big electric current makes and copper sheet firmly is welded in behind the welded piece partial melting with silver strip.
More preferably, described protruding 12 is the striped projection.The solder side of contact silver strip and the welding of switch copper sheet is designed to have projection, this projection preferably is set to the striped projection, thereby the contact silver strip contacts with switch copper sheet formation line when making welding, the current density that makes the welding of electric resistance welding process moment pass through increases, thereby produce a large amount of heats, make the projection at solder side place of contact silver strip be in molten condition, and be on the cross section of striped fan-shaped by contact position near the position expansion, finish the welding of contact silver strip and switch copper sheet.
More preferably, described protruding 12 is zigzag striped projection.
More preferably, described striped projection is evenly distributed.Described protruding 12 or the striped projection evenly distribute at solder side 18, it is more even to make that welding process produces heat, avoids producing scolder and spreads inequality, make the surface appearance of workpiece be controlled consistent, thereby make welding effect better, quality is better, welds more firm.Can use electric resistance welding to carry out the welding of workpiece after projection is set, save scolder, thereby reduced cost, reduce environmental pollution.
The ceiling for accumulation coplanar of each described striped projection, so welding process can evenly switch on and carry out electric resistance welding, thus make solder side melting degree unanimity everywhere, welding evenly, the product quality height.
More preferably, with reference to figure 3, Fig. 4, Fig. 5, described projection is the cross one another netted striped projection 15 that is arranged at contact silver strip 10 solders side 18.
More preferably, with reference to figure 6, Fig. 7, showed protruding cross sectional shape among the figure, described projection is pyramid-shaped or cone-shaped bulge.
More preferably, with reference to figure 8, Fig. 9, showed protruding cross sectional shape among the figure, described projection is hemispherical or segment shape projection.
More preferably, as shown in figure 10, the central longitudinal cross section of described projection is two tapers that outer convex arc is formed, and is the external drum taper.
More preferably, described projection is matrix and evenly distributes.
The peak coplanar of each described projection, so welding process can evenly switch on and carry out electric resistance welding, thus make solder side melting degree unanimity everywhere, welding evenly, the product quality height.
The projection of different shape evenly distributes at solder side 18, and it is more even to make that welding process produces heat, avoids producing scolder and spreads inequality, makes the surface appearance of workpiece be controlled unanimity, thereby makes welding effect better, and quality is better, welds more firm.Can use electric resistance welding to carry out the welding of workpiece after projection is set, save scolder, thereby reduced cost, reduce environmental pollution.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (9)
1, a kind of contact silver strip is used for welding with the switch copper sheet, and it is characterized in that: described contact silver strip comprises use face and the solder side relative with use face, and solder side is provided with at least two projectioies.
2, contact according to claim 1 silver strip, it is characterized in that: described projection is the striped projection.
3, contact according to claim 3 silver strip, it is characterized in that: described projection is a zigzag striped projection.
4, according to claim 2 or 3 described contact silver strips, it is characterized in that: described striped projection is evenly distributed.
5, contact according to claim 2 silver strip, it is characterized in that: described projection is cross one another netted striped projection.
6, contact according to claim 1 silver strip, it is characterized in that: described projection is pyramid-shaped or cone-shaped bulge.
7, contact according to claim 1 silver strip, it is characterized in that: described projection is hemispherical or segment shape projection.
8, contact according to claim 1 silver strip is characterized in that: the central longitudinal cross section of described projection is two tapers that outer convex arc is formed.
9, according to claim 6 or 7 or 8 described contact silver strips, it is characterized in that: described projection is matrix and evenly distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200567045U CN201408666Y (en) | 2009-05-18 | 2009-05-18 | Contact silver strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200567045U CN201408666Y (en) | 2009-05-18 | 2009-05-18 | Contact silver strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408666Y true CN201408666Y (en) | 2010-02-17 |
Family
ID=41679610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200567045U Expired - Lifetime CN201408666Y (en) | 2009-05-18 | 2009-05-18 | Contact silver strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408666Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042326A (en) * | 2012-12-27 | 2013-04-17 | 苏州先科精密机械有限公司 | Efficient welding module |
| CN107393747A (en) * | 2017-08-31 | 2017-11-24 | 四川艾达电器有限公司 | Contact shell fragment and its processing technology, processing unit (plant) |
-
2009
- 2009-05-18 CN CN2009200567045U patent/CN201408666Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042326A (en) * | 2012-12-27 | 2013-04-17 | 苏州先科精密机械有限公司 | Efficient welding module |
| CN107393747A (en) * | 2017-08-31 | 2017-11-24 | 四川艾达电器有限公司 | Contact shell fragment and its processing technology, processing unit (plant) |
| CN107393747B (en) * | 2017-08-31 | 2020-01-10 | 四川艾达电器有限公司 | Contact spring piece and processing technology and processing device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU HERON MACHINE + ELECTRIC CO., LTD. Free format text: FORMER NAME: GUANGZHOU (CONGHUA) HERON MACHINE + ELECTRIC INDUSTRIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 510990, No. 9, abundance Road, Taiping economic and Technological Development Zone, Conghua, Guangdong, Guangzhou Patentee after: Heron Machine & Electric Inductrial Co., Ltd. Address before: 510990, No. 9, abundance Road, Taiping economic and Technological Development Zone, Conghua, Guangdong, Guangzhou Patentee before: Guangzhou (Conghua) Heron Machine & Electric Industrial Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510990, No. 9, abundance Road, Taiping economic and Technological Development Zone, Conghua, Guangdong, Guangzhou Patentee after: HERON INTELLIGENT EQUIPMENT CO., LTD. Address before: 510990, No. 9, abundance Road, Taiping economic and Technological Development Zone, Conghua, Guangdong, Guangzhou Patentee before: Heron Machine & Electric Inductrial Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |