CN207977242U - A kind of contact material - Google Patents
A kind of contact material Download PDFInfo
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- CN207977242U CN207977242U CN201721576900.6U CN201721576900U CN207977242U CN 207977242 U CN207977242 U CN 207977242U CN 201721576900 U CN201721576900 U CN 201721576900U CN 207977242 U CN207977242 U CN 207977242U
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- described matrix
- extended segment
- clamping part
- contact material
- materials
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Abstract
The utility model provides a kind of contact material, including：Matrix, described matrix are band or plank, and clamping part is arranged in described matrix, and the clamping part blocks other materials when being processed with other materials for the contact material.The utility model is improved to form clamping part to the shape of contact material, the card slot that clamping part is formed with matrix, the material of fusing can be confined to card slot position, side without flowing to plank or band, it is specious, the clamping part is conducive in material following process the techniques such as compound with other materials, and advantage is provided to prepare electrical contact component.
Description
Technical field
The utility model is related to a kind of contact materials, and in particular, to one kind is conducive to be in electrical contact the components such as contact
The contact material of preparation.
Background technology
Electrical contact is to be widely used in relay, contactor, on-load switch, Low Voltage Circuit Breaker and household electrical appliance, vapour
The leading electrical contact element of the device for switching such as vehicle electric appliance, it mainly undertakes connection and the effect of breaking current, its peace to electric appliance
Row for the national games has decisive role, and with the extensive use of electronic product, the demand of electrical contact also increasingly increases.
Have the contact material of many performance improvements, such as Chinese utility model patent in the prior art
201520930800.3, a kind of contact material for breaker disclosed, including welding layer, the work that is overlying on above welding layer
Make layer, the working lining is AgW50 layers, and the welding layer is Cu layers, and the ratio between the AgW50 layer thickness and the Cu layer thickness
Between 1/3~1.Material cladding interface bond strength in the utility model 201520930800.3 is higher, arc ablation resistance
Performance and conductivity, hardness are greatly improved, and processing performance is very excellent.For another example, Chinese utility model patent
201520175729.2 it discloses a kind of silver-based electric contact material structures.
At present by squeezing the contact material prepared with processing and forming technologies such as compound, rollings, form is mostly plate
Material or belt structure.
In order to further be conducive to application of the contact material in preparing appliance component, the utility model proposes
A kind of new material structure.
Utility model content
For the defects in the prior art, the purpose of this utility model is to provide a kind of contact material, passes through new knot
Structure designs, and can be conducive to application of the contact material in preparing appliance component.
Contact material described in the utility model, including：Matrix, described matrix is band or plank, in described matrix
Clamping part is set, and the clamping part blocks other materials when being processed with other materials for the contact material.
Preferably, the edge of described matrix is equipped with extended segment, and the other end of the extended segment is equipped with a bending part, described to prolong
It stretches section and constitutes the clamping part with the bending part, wherein being formed between the clamping part and described matrix for blocking other materials
The card slot of material.
Preferably, the one side edge in described matrix or opposite both sides of the edge are arranged in the extended segment.
Preferably, the inside angle between the extended segment and described matrix is less than or equal to 90 degree.
Preferably, the angle between the extended segment and the bending part is less than or equal to 90 degree.
The above-mentioned contact material of the utility model can be prepared by squeezing, and the material of plank or band includes but not
It is confined to silver-colored graphite, siller tin oxide, Ag-ZnO, silver copper oxide, fine grain silver and silver-colored nickel etc..
Compared with prior art, the utility model has following advantageous effect：
The utility model is improved to form clamping part to the shape of contact material, and it is follow-up which is conducive to material
The techniques such as compound in processing with other materials provide advantage to prepare electrical contact component.
Further, the card slot that the above-mentioned clamping part of the utility model is formed with matrix, can be confined to card by the material of fusing
Groove location, the side without flowing to plank or band are specious.
Further, by using the above-mentioned clamping part of the utility model, other materials processing can easily be controlled
Thickness can guarantee that the thickness of rapidoprint is uniform, meanwhile, for part processing technology, the material of long size can be suitable for.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model；
In figure：1 is matrix, and 2 be extended segment, and 3 be bending part.
Specific implementation mode
The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to the scope of protection of the utility model.
As shown in Figure 1, a preferred embodiment of the contact material for the utility model, including：Matrix 1, described matrix 1
For band or plank, clamping part is set, the clamping part is processed for the contact material and other materials in described matrix 1
When block other materials.
The edge of described matrix 1 is equipped with extended segment 2, and the other end of the extended segment 2 is equipped with a bending part 3, the extension
Section 2 constitutes the clamping part with the bending part 3, wherein being formed between the clamping part and described matrix 1 for blocking other
The card slot of material；
One side edge or corresponding both sides of the edge in described matrix 1 is arranged in the extended segment 2, when setting is in two sides
When edge, the contact material is in integrally U-shaped like structure.In embodiment as shown in Figure 1, extension is all set for both sides of the edge
Section 2, and two extended segments are parallel, the clamping part of both sides of the edge setting is symmetrical arranged about described matrix 1.Certainly, in other implementations
In example, two clamping parts can not also be symmetrical.
Described matrix 1, cross sectional shape are rectangle, trapezoidal or other polygons.As shown in Figure 1, base shown in this Fig
Body 1 is rectangle.
Inside angle between the extended segment 2 and described matrix 1 is less than or equal to 90 degree.As shown in Figure 1, the extension
Angle between section 2 and described matrix 1 is 90 degree, i.e., the edge of the described extended segment 2 and described matrix 1 is point-blank adopted
With the structure, it is more advantageous to the processing of clamping and the contact material and other materials, and the clamping part is also easier to
Molding.
Angle between the extended segment 2 and the bending part 3 is less than or equal to 90 degree, as shown in Figure 1, the extended segment
Angle between 2 and the bending part 3 is 90 degree, i.e., the described extended segment 2 is vertically arranged with the bending part 3, using the structure,
It is more advantageous to clamping and the compound other materials of the contact material in this way.
The above-mentioned contact material of the utility model can be prepared by squeezing, and the material of plank or band includes but not
It is confined to silver-colored graphite, siller tin oxide, Ag-ZnO, silver copper oxide, fine grain silver and silver-colored nickel etc..The extended segment 2 and the bending
The size in portion 3 is configured according to actual needs.
Other materials is put into card slot, passes through when for carrying out the techniques such as compound with other materials by the utility model
Extension blocks the material with bending part 3 so that the face of the two is in close contact with face, for example when complex sintered, can make it
His solder material, which is covered in card slot, forms good material layer.
One concrete application embodiment of the utility model presented below, by taking the preparation of AgC4 contact materials as an example, specifically
Preparation is made of following steps：
(1) the AgC4 spindles that a diameter of 90mm is prepared by PM technique carry out hot extrusion after being sintered 3h at 750 DEG C
Pressure, obtains having the continuous AgC4 planks of the strip of Fig. 1 notchs, plate thickness 2.1mm, length 35-45m；
(2) BCu88PAg material strips are uniformly stuck into AgC4 card slots, are sintered composite solder, sintering temperature 730
DEG C, protective atmosphere is hydrogen so that AgC4 is close with solder bonds；The card slot is by the silver-colored graphite sheet of strip and solder band
It blocks so that the face of the two is in close contact with face, and in sintering, solder band, which can be covered in card slot, forms good welding
Layer.
(3) the AgC4 planks after composite solder band are subjected to multiple cold rolling and annealing heat-treats, are then rolling to finished product
Required thickness.
(4) the finished product AgC4 contact materials of Outside Dimensions needed for being obtained after punching.
The length of the silver-colored graphite sheet of extruding in above-described embodiment is longer, can be 5-50m, silver-colored graphite is soft, by solder
After band is stuck in card slot, silver-colored graphite sheet can be rolled into bundle and be sintered compound, improve the production efficiency of long bullion graphite, this
Outside, card slot can prevent solder from falling off.Further, according to the length of extended segment, other materials processing can easily be controlled
Thickness, can guarantee that the thickness of rapidoprint is uniform, can be suitable for long size material.
The utility model is improved the shape of contact material to form clamping part, the card that clamping part is formed with matrix
The material of fusing can be confined to card slot position by slot, the side without flowing to plank or band, specious, the buckle
Portion is conducive in material following process the techniques such as compound with other materials, and advantageous item is provided to prepare electrical contact component
Part.
Above-described embodiment is only the section Example of the utility model, and the utility model can also be one side edge setting card
Buckle, this is easily done on the basis of the above embodiments to those skilled in the art, herein no longer specifically
It is bright.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (5)
1. a kind of contact material, which is characterized in that including：Matrix, described matrix are band or plank, are arranged in described matrix
Clamping part, the clamping part block other materials when being processed with other materials for the contact material；
The edge of described matrix is equipped with extended segment, and the other end of the extended segment is equipped with a bending part, the extended segment with it is described
Bending part constitutes the clamping part, wherein forming the card slot for blocking other materials between the clamping part and described matrix；
One side edge or opposite both sides of the edge in described matrix is arranged in the extended segment；The extended segment and described matrix
Between inside angle be less than or equal to 90 degree；Angle between the extended segment and the bending part is less than or equal to 90 degree；
The clamping part is that described matrix is prepared by squeezing.
2. contact material according to claim 1, which is characterized in that the inside between the extended segment and described matrix
Angle is 90 degree, i.e., the edge of the described extended segment and the described matrix where it is point-blank.
3. contact material according to claim 1, which is characterized in that the folder between the extended segment and the bending part
Angle is 90 degree, i.e., the described extended segment is vertically arranged with the bending part.
4. according to claim 1-3 any one of them contact materials, which is characterized in that described matrix, cross sectional shape are
Polygon.
5. contact material according to claim 4, which is characterized in that described matrix, cross sectional shape are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721576900.6U CN207977242U (en) | 2017-11-23 | 2017-11-23 | A kind of contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721576900.6U CN207977242U (en) | 2017-11-23 | 2017-11-23 | A kind of contact material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977242U true CN207977242U (en) | 2018-10-16 |
Family
ID=63771055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721576900.6U Active CN207977242U (en) | 2017-11-23 | 2017-11-23 | A kind of contact material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100976A1 (en) * | 2017-11-23 | 2019-05-31 | 温州宏丰电工合金股份有限公司 | Fast compounding preparation method for long striped silver-graphite electrical contact material and solder tape |
-
2017
- 2017-11-23 CN CN201721576900.6U patent/CN207977242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100976A1 (en) * | 2017-11-23 | 2019-05-31 | 温州宏丰电工合金股份有限公司 | Fast compounding preparation method for long striped silver-graphite electrical contact material and solder tape |
| US10818447B2 (en) | 2017-11-23 | 2020-10-27 | Wenzhou Hongfeng Electrical Alloy Co., Ltd | Preparation method of rapid composite of long silver-graphite electrical contact material and solder strip material |
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