CN217983138U - Arc striking sheet of AC contactor - Google Patents
Arc striking sheet of AC contactor Download PDFInfo
- Publication number
- CN217983138U CN217983138U CN202222391780.XU CN202222391780U CN217983138U CN 217983138 U CN217983138 U CN 217983138U CN 202222391780 U CN202222391780 U CN 202222391780U CN 217983138 U CN217983138 U CN 217983138U
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- clamping groove
- arc
- wiring board
- clamping plate
- arc striking
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Abstract
An arc striking sheet of an alternating current contactor is arranged on a static contact, the arc striking sheet comprises a connecting part, and an upper supporting part and a lower supporting part are respectively bent at the upper side and the lower side of the connecting part; the front end of the upper supporting part is provided with a first clamping plate, and the tail end of the upper supporting part is provided with an arc ignition part; a second clamping plate is arranged at the front end of the lower supporting part; the static contact comprises a wiring board, and the front end of the wiring board is bent with a contact part; the contact part is provided with a first clamping groove; a second clamping groove is formed in the wiring board; the first clamping plate and the second clamping plate are clamped in the first clamping groove and the second clamping groove respectively to fix the arc striking plate. Compared with the prior art, the utility model discloses an alternating current contactor run-on piece, two upper and lower cardboard cards through on the run-on piece are on static contact, simple to operate, simultaneously, need not on the wiring board to process the screw hole, reduce manufacturing cost, have practiced thrift manufacturing procedure.
Description
Technical Field
The utility model relates to an ac contactor technical field specifically indicates an ac contactor arc striking piece.
Background
The alternating current contactor is internally provided with a moving contact and a static contact, wherein an arc striking piece is installed on the static contact, and the arc striking piece is used as an arc striking piece to introduce electric arc into the arc extinguishing device.
For example, the chinese patent publication No. CN204424178U, entitled "ac contactor", wherein the arc striking plate is sleeved on the wiring board, the arc striking plate includes a bending portion and a vertical portion, the arc striking plate is fully contacted with the wiring board and the fixed contact, the tail end of the bending portion passes through a square hole on the vertical portion, a threaded hole is processed on the connecting board, and the bottom of the arc striking plate needs to be connected with the wiring board through a screw.
Generally, at least 6 static contacts are arranged in the alternating current contactor, so that 6 arc striking pieces are required to be assembled to the static contacts, and meanwhile, threaded holes are required to be machined in the static contacts, so that the installation efficiency is not high, and the machining procedures are correspondingly increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, and provide an ac contactor arc striking piece.
In order to solve the technical problem, the utility model adopts the technical scheme that:
an arc striking sheet of an alternating current contactor is arranged on a static contact, the arc striking sheet comprises a connecting part, and an upper supporting part and a lower supporting part are respectively bent at the upper side and the lower side of the connecting part; the front end of the upper supporting part is provided with a first clamping plate, and the tail end of the upper supporting part is provided with an arc ignition part; a second clamping plate is arranged at the front end of the lower supporting part; the static contact comprises a wiring board, and the front end of the wiring board is bent with a contact part; the contact part is provided with a first clamping groove; a second clamping groove is formed in the wiring board; the first clamping plate and the second clamping plate are respectively clamped in the first clamping groove and the second clamping groove to fix the arc striking plate.
Furthermore, the first clamping groove and the second clamping groove are arranged in a front-back mode; the first clamping plate is embedded into the first clamping groove for 1mm; the second clamping plate protrudes out of the second clamping groove by 2-3 mm.
Further, the outer heights of the upper and lower support portions are the same as the inner heights of the wiring board and the contact portion.
Furthermore, arc striking teeth are uniformly distributed at the upper end of the arc striking part.
Furthermore, a riveting hole is processed at the tail end of the wiring board.
Furthermore, the arc striking plate and the static contact are made of 2mm copper sheets.
Compared with the prior art, the utility model discloses an alternating current contactor run-on piece, two upper and lower cardboard cards through on the run-on piece are on static contact, simple to operate, simultaneously, need not on the wiring board to process the screw hole, reduce manufacturing cost, have practiced thrift manufacturing procedure.
Drawings
Fig. 1 is a schematic structural view of the installation of the static contact and the arc striking plate of the present invention;
fig. 2 is a schematic structural view of the static contact of the present invention;
FIG. 3 is a schematic structural view of the arc striking plate of the present invention;
the contact structure comprises a fixed contact 1, a fixed contact 2, an arc striking sheet 111, a wiring board 112, riveting holes 113, a contact part 114, a first clamping groove 115, a second clamping groove 211, a connecting part 212, an upper supporting part 213, a lower supporting part 214, a first clamping plate 215, a second clamping plate 216, a side supporting part 217, a first release groove 218, a second release groove 219, an arc striking part 220 and arc striking teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1 to 3, an arc starting sheet of an ac contactor is installed on a static contact 1, the arc starting sheet 2 includes a connecting portion 211, an upper supporting portion 212 and a lower supporting portion 213 are respectively bent at the upper side and the lower side of the connecting portion 211, a first clamping plate 214 is arranged at the front end of the upper supporting portion 212, a second clamping plate 215 is arranged at the front end of the lower supporting portion 213, wherein a side supporting portion 216 is bent at the front end of the upper supporting portion 212; the upper supporting part 212 is provided with a first release groove 217; the upper end of the side supporting part 216 is provided with a first clamping plate 214 in an extending way in the area of the first release groove 217; the second clamping plate 215 is bent at the front end of the lower supporting part 213; the static contact 1 comprises a wiring board 111, a riveting hole 112 is processed at the tail end of the wiring board 111 and used for connecting a riveting nut, and the front end of the wiring board 111 is bent twice to form a contact part 113; the contact part 113 is provided with a first clamping groove 114; a second clamping slot 115 is formed in the wiring board 111; the first clamping plate 214 and the second clamping plate 215 are clamped in the first clamping groove 114 and the second clamping groove 115 respectively to fix the arc striking plate 2.
The external height a of the upper support 212 and the lower support 213 is the same as the internal height b of the terminal board and the contact part, and after the arc striking plate 2 is clamped with the static contact 1, the upper support 212 and the lower support 213 are clamped between the terminal board 111 and the contact part 113, so that the arc striking plate 2 can support the contact part 113.
In the embodiment, the arc striking piece 2 and the fixed contact 1 are made of 2mm copper sheets, and the first clamping groove 114 and the second clamping groove 115 are arranged in front and at back, wherein the first clamping plate 214 is embedded into the first clamping groove by 1mm, when the wiring board 111 and the contact part 113 are slightly opened during installation and disassembly, the first clamping plate 214 can be clamped into the first clamping groove 114 or separated from the first clamping groove 114, the second clamping plate 215 protrudes out of the second clamping groove by 2-3 mm, so that the second clamping plate 215 can be bent conveniently, and the protruding part of the second clamping plate 215 can prevent the arc striking piece 2 from being easily separated from the fixed contact 1 after installation.
A second release groove 218 is formed in the connecting portion 211 of the arc striking plate 2, an arc striking portion 219 is bent upwards at the region of the second release groove 218 at the tail end of the upper support portion 212, arc striking teeth 220 are uniformly distributed at the upper end of the arc striking portion 219, and the arc striking teeth 220 play a role of point discharge and can rapidly extinguish arc.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make modifications or changes without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides an alternating current contactor striking piece, installs on the stationary contact, its characterized in that: the arc striking piece comprises a connecting part, and an upper supporting part and a lower supporting part are respectively bent at the upper side and the lower side of the connecting part; the front end of the upper supporting part is provided with a first clamping plate, and the tail end of the upper supporting part is provided with an arc ignition part; a second clamping plate is arranged at the front end of the lower supporting part; the static contact comprises a wiring board, and the front end of the wiring board is bent with a contact part; the contact part is provided with a first clamping groove; a second clamping groove is formed in the wiring board; the first clamping plate and the second clamping plate are clamped in the first clamping groove and the second clamping groove respectively to fix the arc striking plate.
2. The arc striking plate of an AC contactor according to claim 1, wherein: the first clamping groove and the second clamping groove are arranged in a front-back mode; the clamping plate I is embedded into the clamping groove I by 1mm; the second clamping plate protrudes out of the second clamping groove by 2-3 mm.
3. The ac contactor arc runner of claim 1, wherein: the outer heights of the upper and lower support portions are the same as the inner heights of the wiring board and the contact portion.
4. The ac contactor arc runner of claim 1, wherein: and the upper end of the arc-leading part is uniformly provided with arc-leading teeth.
5. The ac contactor arc runner of claim 1, wherein: and the tail end of the wiring board is provided with a riveting hole.
6. An ac contactor arc runner according to any one of claims 1 to 5, wherein: and the arc striking sheet and the static contact adopt 2mm copper sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222391780.XU CN217983138U (en) | 2022-09-08 | 2022-09-08 | Arc striking sheet of AC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222391780.XU CN217983138U (en) | 2022-09-08 | 2022-09-08 | Arc striking sheet of AC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983138U true CN217983138U (en) | 2022-12-06 |
Family
ID=84264837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222391780.XU Active CN217983138U (en) | 2022-09-08 | 2022-09-08 | Arc striking sheet of AC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983138U (en) |
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2022
- 2022-09-08 CN CN202222391780.XU patent/CN217983138U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |