CN209658052U - A kind of anti-arc microswitch of modified - Google Patents
A kind of anti-arc microswitch of modified Download PDFInfo
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- CN209658052U CN209658052U CN201821856897.8U CN201821856897U CN209658052U CN 209658052 U CN209658052 U CN 209658052U CN 201821856897 U CN201821856897 U CN 201821856897U CN 209658052 U CN209658052 U CN 209658052U
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- copper
- support leg
- pedestal
- static contact
- arc
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Abstract
The utility model relates to a kind of anti-arc microswitches of modified, including pedestal, and it is installed to the upper cover on the pedestal, there are corresponding NC static contact and NO static contact in the pedestal side by level device, the other side device of the pedestal has corresponding copper support leg, device has corresponding beryllium copper reed in the copper support leg, one end that the beryllium copper reed is not installed on copper support leg is connected with corresponding yellow gold movable contact spring, one end that the yellow gold movable contact spring is not fixed in beryllium copper reed is set between the NC static contact and NO static contact, the top device that the NC static contact is placed on described has corresponding magnet, the magnet is inverted U magnet, the top and two sides of magnet are covered each by the outside of the yellow gold movable contact spring.The utility model can effectively prevent moving contact blade elastic component directly between contact by arc damage, to effectively improve the service life and stability in use of microswitch.
Description
Technical field
The utility model relates to a kind of microswitch, in particular to a kind of anti-arc microswitches of modified.
Background technique
To ensure reliable performance, stabilization of the microswitch in DC current working environment, existing microswitch can be
Alnico magnets are disposed at its interior contact, can effectively be controlled DC current and be generated substance damage silver contact, so that fine motion be made to open
It is good to close reliable performance, stability, meets DC current requirement.Due to the limitation of switching mechanism, the alnico magnets one installed
As be rectangular or circular magnet, and switch moving contact blade and then rivet round silver contact, moving contact blade material is generally beallon
Or elastic stainless steel.Although being additionally arranged alnico magnets, it is intermediate easily electric up and down that moving contact blade elastic component is exposed to contact
The switch life and stability of arc damage influence.Therefore, design is a can effectively prevent moving contact blade elastic component directly touching
By arc damage between point, to effectively improve the anti-arc microswitch of modified of the service life and stability in use of microswitch
It is the research purpose of the utility model.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model lies in that provide a kind of anti-arc microswitch of modified,
The anti-arc microswitch of the modified can effectively solve the problem that the above-mentioned problems of the prior art.
The technical solution of the utility model is:
A kind of anti-arc microswitch of modified, including pedestal, and the upper cover being installed on the pedestal, the pedestal one
There are a corresponding NC static contact and NO static contact in side by level device, and the opposite side of the NC static contact and NO static contact is set respectively
It is equipped with corresponding NC silver contact and NO silver contact, the other side device of the pedestal has corresponding copper support leg, the copper support
Foot and NC static contact, NO static contact pass through corresponding copper insert device on the pedestal, there is device in the copper support leg
Corresponding beryllium copper reed, it is described on be placed on the copper support leg top movable fixture have corresponding plunger and by the column
The plastic push-rod of row driving is filled in, it is dynamic that one end that the beryllium copper reed is not installed on copper support leg is connected with corresponding yellow gold
Contact, one end that the yellow gold movable contact spring is not fixed in beryllium copper reed be set to the NC static contact and NO static contact it
Between, it is described on be placed on the NC static contact top device have corresponding magnet, the magnet is inverted U magnet, the top of magnet
End and two sides are covered each by the outside of the yellow gold movable contact spring.
The yellow gold movable contact spring is clamped on the beryllium copper reed after being liquidated using Sheet Metal Forming Technology bending, the silver-bearing copper
It is fastenedly connected between alloy movable contact spring and beryllium copper reed by corresponding rivet.
The copper support leg is N-shaped shape, and the outside both ends of beryllium copper reed are equipped with arc spring lamination, and beryllium copper reed is fixed in copper branch
The middle position of support foot, the arc spring lamination that beryllium copper reed two sides are equipped with are connected in the both ends of the copper support leg respectively.
The copper mold insert passes through corresponding screw respectively and is fastenedly connected on the pedestal.
It is fastenedly connected between the pedestal and upper cover by corresponding fixed pin.
The advantages of the utility model:
The utility model carries out structure change to beryllium copper reed (moving contact blade elastic component) first, shortens its length, simultaneously
The silver contact of movable contact spring is changed to yellow gold material, yellow gold movable contact spring is clamped in beryllium after liquidating using Sheet Metal Forming Technology bending
On copper reed, so, in the contact process of yellow gold movable contact spring and NC silver contact and NO silver contact, beryllium is avoided
Directly between contact, by arc damage, the electric arc damage beryllium copper reed of DC current generation can be effectively prevented in copper reed, thus
Improve service life and the stability of microswitch.The utility model also improves the structure of magnet, sets inverted U for magnet
Magnet, the top and two sides of magnet are covered each by three sides of the yellow gold movable contact spring, between more effective removing contact
Fox is drawn, switch life and switching stability are further improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the part explosive view of the utility model.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, existing make structure of the embodiment combination attached drawing to the utility model into one
Step detailed description:
With reference to Fig. 1-2, a kind of anti-arc microswitch of modified, including pedestal 1, and be installed to upper on the pedestal 1
There are corresponding NC static contact 3 and NO static contact 4, the NC static contact 3 and NO stationary contact in lid 2,1 side of pedestal by level device
The opposite side of piece 4 is respectively arranged with corresponding NC silver contact and NO silver contact, and the other side device of the pedestal 1 has accordingly
Copper support leg 5, the copper support leg 5 and NC static contact 3, NO static contact 4 are installed on the pedestal by corresponding copper mold insert 6
On 1, device has corresponding beryllium copper reed 7 in the copper support leg 5, and the upper cover 1 is removable in the top of the copper support leg 5
The plastic push-rod 9 that device has corresponding plunger 8 and driven by the plunger 8, the beryllium copper reed 7 are not installed on copper branch
One end of support foot 5 is connected with corresponding yellow gold movable contact spring 10, and the yellow gold movable contact spring 10 is not fixed in beryllium copper reed 7
One end be set between the NC static contact 3 and NO static contact 4, it is described on be placed on the NC static contact 3 top device have
Corresponding magnet 11, the magnet 11 are inverted U magnet, and the top and two sides of magnet 11 are covered each by dynamic in the yellow gold
The outside of contact 10.
The yellow gold movable contact spring 10 is clamped on the beryllium copper reed 7 after being liquidated using Sheet Metal Forming Technology bending, described
It is fastenedly connected between yellow gold movable contact spring 10 and beryllium copper reed 7 by corresponding rivet 12.
The copper support leg 5 is N-shaped shape, and the outside both ends of beryllium copper reed 7 are equipped with arc spring lamination 71, and beryllium copper reed 7 is affixed
In the middle position of copper support leg 5, the arc spring lamination 71 that 7 two sides of beryllium copper reed are equipped with is connected in the copper support leg 5 respectively
Both ends.
The copper mold insert 6 is fastenedly connected by corresponding screw 13 on the pedestal 1 respectively.The pedestal 1 and upper cover 2
Between be fastenedly connected by corresponding fixed pin 14.
The utility model is first to beryllium copper reed 7(moving contact blade elastic component) structure change is carried out, shorten its length, simultaneously
The silver contact of movable contact spring is changed to yellow gold material, yellow gold movable contact spring 10 is clamped in after being liquidated using Sheet Metal Forming Technology bending
On beryllium copper reed 7, so, in the contact process of yellow gold movable contact spring 10 and NC silver contact and NO silver contact, just keep away
Beryllium copper reed 7 is exempted from directly between contact by arc damage, the electric arc damage beryllium copper spring of DC current generation can be effectively prevented
Piece 7, to improve service life and the stability of microswitch.The utility model also improves the structure of magnet 11, by magnet
11 are set as inverted U magnet, and the top and two sides of magnet 11 are covered each by three sides of the yellow gold movable contact spring 10,
Fox is drawn between more effective removing contact, further improves switch life and switching stability.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, the covering scope of the utility model all should belong to.
Claims (5)
1. a kind of anti-arc microswitch of modified, including pedestal, and the upper cover being installed on the pedestal, the pedestal side
There are a corresponding NC static contact and NO static contact by level device, the opposite side of the NC static contact and NO static contact is respectively set
There are corresponding NC silver contact and NO silver contact, the other side device of the pedestal has corresponding copper support leg, the copper support leg
Pass through corresponding copper insert device on the pedestal with NC static contact, NO static contact, device has phase in the copper support leg
The beryllium copper reed answered, it is described on be placed on the copper support leg top movable fixture have corresponding plunger and by the plunger
The plastic push-rod driven, it is characterised in that: one end that the beryllium copper reed is not installed on copper support leg is connected with accordingly
Yellow gold movable contact spring, one end that the yellow gold movable contact spring is not fixed in beryllium copper reed are set to the NC static contact and NO
Between static contact, it is described on be placed on the NC static contact top device have corresponding magnet, the magnet is inverted U magnet,
The top and two sides of magnet are covered each by the outside of the yellow gold movable contact spring.
2. the anti-arc microswitch of a kind of modified according to claim 1, it is characterised in that: the yellow gold movable contact spring
It is clamped in after being liquidated using Sheet Metal Forming Technology bending on the beryllium copper reed, leads between the yellow gold movable contact spring and beryllium copper reed
Corresponding rivet is crossed to be fastenedly connected.
3. the anti-arc microswitch of a kind of modified according to claim 1, it is characterised in that: the copper support leg is N-shaped
The outside both ends of shape, beryllium copper reed are equipped with arc spring lamination, and beryllium copper reed is fixed in the middle position of copper support leg, beryllium copper reed two
The arc spring lamination that side is equipped with is connected in the both ends of the copper support leg respectively.
4. the anti-arc microswitch of a kind of modified according to claim 1, it is characterised in that: the copper mold insert passes through respectively
Corresponding screw is fastenedly connected on the pedestal.
5. the anti-arc microswitch of a kind of modified according to claim 1, it is characterised in that: between the pedestal and upper cover
It is fastenedly connected by corresponding fixed pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856897.8U CN209658052U (en) | 2018-11-12 | 2018-11-12 | A kind of anti-arc microswitch of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856897.8U CN209658052U (en) | 2018-11-12 | 2018-11-12 | A kind of anti-arc microswitch of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658052U true CN209658052U (en) | 2019-11-19 |
Family
ID=68506506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821856897.8U Active CN209658052U (en) | 2018-11-12 | 2018-11-12 | A kind of anti-arc microswitch of modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658052U (en) |
-
2018
- 2018-11-12 CN CN201821856897.8U patent/CN209658052U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |