CN218386066U - Small-sized leakage protection plug - Google Patents
Small-sized leakage protection plug Download PDFInfo
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- CN218386066U CN218386066U CN202222344153.0U CN202222344153U CN218386066U CN 218386066 U CN218386066 U CN 218386066U CN 202222344153 U CN202222344153 U CN 202222344153U CN 218386066 U CN218386066 U CN 218386066U
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- live wire
- zero line
- static contact
- contact piece
- bottom shell
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Abstract
The utility model relates to a small-sized leakage protection plug, which comprises a face shell, a tripping frame, a zero line movable contact piece riveted with a silver contact, a zero line pin structure, a live wire pin structure, a bottom shell and a live wire movable contact piece; the tripping frame is positioned in the bottom shell; the zero wire pin structure comprises a zero wire pin extending out of the bottom shell, and the live wire pin structure comprises a live wire pin extending out of the bottom shell; is characterized in that the zero line pin structure also comprises a zero line static contact piece positioned in the bottom shell, the zero line static contact piece is electrically connected with the zero line pin, the longitudinal part of the zero line static contact piece is positioned at the front end part on the left side of the trip frame, and the zero line silver contact of the zero line static contact piece is riveted at the end part extending forwards in the transverse direction; the live wire is participated in the structure and is still participated in the live wire static contact that is located the drain pan, and the live wire static contact is participated in the electricity with the live wire and is connected, and the vertical position of live wire static contact is located the right front end portion of release bracket, and the live wire silver contact riveting of live wire static contact is at the horizontal tip that extends backward. The utility model discloses an appearance width has accomplished 32mm, convenient to use, safe and reliable.
Description
Technical Field
The utility model relates to a small-size earth leakage protection plug.
Background
The structure of the existing leakage protection plug on the market is that a zero line static contact and a live line static contact which are riveted with silver contacts are positioned on the left side wall and the right side wall of a support (a tripping frame for short) of a tripper, and because the minimum width of the leakage protection plug is limited by the size of the tripper, the minimum width of the leakage protection plug can only be more than 34mm, so that when a user uses a socket with two jacks or more jacks, two or more electrical appliances can not be used simultaneously due to the overlarge size of the leakage protection plug, and certain inconvenience and trouble are brought to the user.
Disclosure of Invention
The utility model aims at overcoming prior art's not enough and providing a small-size earth-leakage protection plug, its zero line static contact and live wire static contact location are on the drain pan, and the spacing distance between them does not receive dropout frame width constraint completely, consequently makes this hourglass guarantor accomplish present national standard within range minimum 32mm width, and the outward appearance is small and exquisite, and compact structure is reasonable, convenient to use and safe and reliable.
In order to achieve the purpose, the utility model discloses a realize like this, it is a small-size earth leakage protection plug, including face-piece, the inside release bracket that is equipped with pressure arm, iron core, little spring and solenoid, the zero line movable contact spring of riveting with silver contact, zero line pin structure, live wire pin structure, drain pan and the live wire movable contact spring of riveting with silver contact; the tripping frame is positioned in the bottom shell; the zero line pin structure is fixed on the bottom shell and comprises a zero line pin extending out of the bottom shell; the live wire pin structure is fixed on the bottom shell and comprises a live wire pin extending out of the bottom shell; the method is characterized in that:
the zero line pin structure further comprises a zero line static contact piece positioned in the bottom shell, the zero line static contact piece is electrically connected with the zero line pin, the longitudinal part of the zero line static contact piece is positioned at the front end part on the left side of the release frame, a zero line silver contact of the zero line static contact piece is riveted at the end part extending forwards in the transverse direction, and the zero line silver contact corresponds to the silver contact of the zero line static contact piece and can be switched on or off under the control of the pressure arm;
the live wire pin structure further comprises a live wire static contact piece located in the bottom shell, the live wire static contact piece is electrically connected with the live wire pin, the longitudinal position of the live wire static contact piece is located at the front end part of the right side of the tripping frame, a live wire silver contact of the live wire static contact piece is riveted at the end part extending backwards in the transverse direction, and the live wire silver contact corresponds to the silver contact of the live wire movable contact piece and can be switched on or switched off under the control of the pressure arm.
In the technical scheme, the distance between the longitudinal parts of the zero line static contact and the live line static contact is more than or equal to 3mm of creepage distance.
In the technical scheme, the zero line static contact and the zero line pin are integrally processed and formed, or the zero line static contact and the zero line pin are respectively separated and are electrically connected by a lead; the live wire static contact and the live wire pin are integrally processed and formed, or the live wire static contact and the live wire pin are separated and electrically connected by a lead.
In the technical scheme, the zero line movable contact piece and the live wire movable contact piece are arranged on the tripping frame and then welded on the circuit board, or the zero line movable contact piece and the live wire movable contact piece are directly welded on the circuit board.
Compared with the prior art, the utility model the advantage do: because zero line static contact and live wire static contact do not fix a position on the dropout frame, its interval distance does not receive the restraint of dropout frame width completely, consequently the utility model discloses an appearance width has accomplished 32mm, convenient to use, safe and reliable.
Drawings
Fig. 1 is an exploded view of the present invention;
fig. 2 is an enlarged perspective view of the trip rack of fig. 1;
fig. 3 is a perspective view of the trip rack mounted in the bottom case.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, the terms "front", "rear", "left" and "up" indicate the position or positional relationship based on the position or positional relationship shown in the drawings, which is only for convenience of description of the present invention and does not require the present invention to be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, it is a small leakage protection plug, which includes a face shell 1, a tripping frame 2 equipped with a pressing arm, an iron core, a small spring and an electromagnetic coil inside, a zero line moving contact 3 riveted with a silver contact, a zero line pin structure, a live line pin structure, a bottom shell 8 and a live line moving contact 9 riveted with a silver contact; the tripping frame 2 is positioned in the bottom shell 8; the zero line pin structure is fixed on the bottom shell 8 and comprises a live wire pin 4 which extends out of the bottom shell 8 and is positioned; the live wire pin structure is fixed on the bottom shell 8 and comprises a live wire pin 5 which extends out of the bottom shell 8 and is positioned;
the zero line pin structure also comprises a zero line static contact 6 which is positioned in the bottom shell 8 and is positioned, the zero line static contact is electrically connected with the zero line pin 4, the longitudinal part of the zero line static contact 6 is positioned at the front end part of the left side of the trip frame 2, a zero line silver contact 61 of the zero line static contact 6 is riveted at the end part which extends forwards in the transverse direction, and the zero line silver contact 61 corresponds to the silver contact of the zero line movable contact 3 and can be switched on or off under the control of a pressure arm;
the live wire pin structure further comprises a live wire static contact 7 which is positioned in the bottom shell 8 and located, the live wire static contact 7 is electrically connected with the live wire pin 5, the longitudinal position of the live wire static contact 7 is positioned at the front end part of the right side of the tripping frame 2, a live wire silver contact 71 of the live wire static contact 7 is riveted at the end part extending backwards in the transverse direction, and the live wire silver contact 71 corresponds to the silver contact of the live wire movable contact 9 and can be switched on or off under the control of a pressure arm.
Because zero line static contact 6 and live wire static contact 7 are installed respectively in the drain pan 8 of the front end position about trip rack 2, the distance between zero line static contact 6 and the live wire static contact 7 does not receive the restraint of trip rack 2 completely like this, can satisfy creepage distance more than or equal to 3mm between zero line static contact 6 and the live wire static contact 7 moreover.
In this embodiment, the static neutral contact 6 and the neutral pin 4 are integrally formed and electrically connected, or the static neutral contact 6 and the neutral pin 4 are separated from each other and the static neutral contact 6 and the neutral pin 4 are electrically connected by a conducting wire; the live wire static contact 7 and the live wire pin 5 are integrally formed and electrically connected, or the live wire static contact 7 and the live wire pin 5 are separated from each other, and the live wire static contact 7 is electrically connected with the live wire pin 5 through a conducting wire.
In the embodiment, the zero line movable contact piece 3 and the live line movable contact piece 9 are installed on the trip frame 2 and then welded on the circuit board, or the zero line movable contact piece 3 and the live line movable contact piece 9 are not installed on the trip frame 2 and are directly welded on the circuit board.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention.
Claims (4)
1. A small-sized leakage protection plug comprises a face shell (1), a tripping frame (2) internally provided with a pressing arm, an iron core, a small spring and an electromagnetic coil, a zero line movable contact piece (3) riveted with a silver contact, a zero line pin structure, a live wire pin structure, a bottom shell (8) and a live wire movable contact piece (9) riveted with the silver contact; the tripping frame (2) is positioned in the bottom shell (8); the zero line pin structure is fixed on the bottom shell (8) and comprises a zero line pin (4) extending out of the bottom shell (8); the live wire pin structure is fixed on the bottom shell (8) and comprises a live wire pin (5) extending out of the bottom shell (8); the method is characterized in that:
the zero line pin structure further comprises a zero line static contact piece (6) positioned in the bottom shell (8), the zero line static contact piece (6) is electrically connected with the zero line pin (4), the longitudinal part of the zero line static contact piece (6) is positioned at the front end part of the left side of the tripping frame (2), a zero line silver contact (61) of the zero line static contact piece (6) is riveted at the end part extending forwards in the transverse direction, and the zero line silver contact (61) corresponds to the silver contact of the zero line movable contact piece (3) and can be switched on or off under the control of the pressure arm;
the live wire pin structure further comprises a live wire static contact (7) located in the bottom shell (8), the live wire static contact (7) is electrically connected with the live wire pin (5), the longitudinal position of the live wire static contact (7) is located at the front end part of the right side of the tripping frame (2), a live wire silver contact (71) of the live wire static contact (7) is riveted at the end part extending backwards in the transverse direction, and the live wire silver contact (71) corresponds to the silver contact of the live wire movable contact (9) and can be switched on or off under the control of the pressure arm.
2. A small earth leakage protection plug according to claim 1, characterized in that the distance between the longitudinal portions of said neutral (6) and live (7) static contacts is greater than or equal to 3mm creepage distance.
3. The small-sized earth leakage protection plug according to claim 1, wherein the neutral static contact (6) and the neutral pin (4) are integrally formed, or the neutral static contact (6) and the neutral pin (4) are separated from each other and electrically connected by a wire; the live wire static contact (7) and the live wire pin (5) are integrally processed and formed, or the live wire static contact (7) and the live wire pin (5) are separated and are electrically connected by a lead.
4. A small-sized earth leakage protection plug according to claim 1, characterized in that said zero line movable contact piece (3) and said live line movable contact piece (9) are mounted on the trip frame (2) and then soldered on the circuit board, or said zero line movable contact piece (3) and said live line movable contact piece (9) are soldered directly on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222344153.0U CN218386066U (en) | 2022-09-05 | 2022-09-05 | Small-sized leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222344153.0U CN218386066U (en) | 2022-09-05 | 2022-09-05 | Small-sized leakage protection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218386066U true CN218386066U (en) | 2023-01-24 |
Family
ID=84971249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222344153.0U Active CN218386066U (en) | 2022-09-05 | 2022-09-05 | Small-sized leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218386066U (en) |
-
2022
- 2022-09-05 CN CN202222344153.0U patent/CN218386066U/en active Active
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| GR01 | Patent grant |