CN109411966A - Leakage protecting plug - Google Patents
Leakage protecting plug Download PDFInfo
- Publication number
- CN109411966A CN109411966A CN201811441367.1A CN201811441367A CN109411966A CN 109411966 A CN109411966 A CN 109411966A CN 201811441367 A CN201811441367 A CN 201811441367A CN 109411966 A CN109411966 A CN 109411966A
- Authority
- CN
- China
- Prior art keywords
- firewire
- electrically connected
- zero line
- wiring board
- zero
- Prior art date
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Breakers (AREA)
Abstract
The present invention relates to a kind of leakage protecting plugs, including shell, wiring board, trip gear, firewire movable contact spring, zero curve movable contact spring, mounting rack and mutual inductor；Its main feature is that being also separately installed with live prong structure and zero line pin structure on mounting rack；The live prong structure includes the live prong being electrically connected to each other, the first firewire output pin and the second firewire output pin, the zero line pin structure includes the zero line pin being electrically connected to each other, the first zero line output foot and the second zero line output foot, the zero line pin passes through shell and is electrically connected with extraneous alternating current, the first zero line output foot is located at outside and the circuit board electrical connection of mutual inductor, and the second zero line output foot passes through mutual inductor and is electrically connected with zero curve stationary contact.Its advantage is that: new UL standard can be reached, wiring board can carry out self-test to itself each element, highly-safe.
Description
Technical field
The present invention relates to a kind of leakage protecting plugs.
Background technique
The mutual inductor of existing leakage protecting plug includes wiring board, buckle releaser and mutual inductor, and mutual inductor is mounted on plug
Output end.In use, alternating current passes through mutual inductor again after buckle releaser, when there is leakage current, mutual induction transmission is believed
Number give leakage protecting plug wiring board, wiring board control buckle releaser power-off.Existing design is no longer satisfied new UL standard,
Wiring board cannot carry out self-test to itself each element, and there are security risks.
Summary of the invention
A kind of leakage protecting plug is provided the purpose of the present invention is overcome the deficiencies in the prior art, new UL can be reached
Standard, wiring board can carry out self-test to itself each element, highly-safe.
It in order to achieve the above object, the invention is realized in this way, is a kind of leakage protecting plug, including shell, line
Road plate, trip gear, firewire movable contact spring, zero curve movable contact spring, mounting rack and mutual inductor；The wiring board is mounted in shell, institute
It states mounting rack installation in the circuit board, trip gear is equipped on mounting rack and places position, the trip gear is mounted on tripping dress
Put set in and and circuit board electrical connection；Firewire stationary contact and zero curve stationary contact are respectively equipped on the wiring board, it is described
Firewire stationary contact and zero curve stationary contact are electrically connected with extraneous electric appliance respectively；One end of the firewire movable contact spring and zero curve movable contact spring point
It does not install in the circuit board and is resisted against on the arm of trip gear with circuit board electrical connection, the other end of firewire movable contact spring and can
It is electrically connected with firewire stationary contact point touch, the other end of zero curve movable contact spring is resisted against on another arm of trip gear and can be with zero curve
The electrical connection of stationary contact point touch；The mutual inductor is located in shell and and circuit board electrical connection；It is also separately installed on mounting rack
Live prong structure and zero line pin structure；The live prong structure includes the live prong being electrically connected to each other, the first firewire
Output pin and the second firewire output pin, the live prong pass through shell and are electrically connected with extraneous alternating current, and first firewire is defeated
Out foot be located at mutual inductor outside and and circuit board electrical connection, the second firewire output pin pass through mutual inductor and with firewire stationary contact
Point electrical connection；The zero line pin structure includes that the zero line pin being electrically connected to each other, the first zero line output foot and the second zero curve are defeated
Foot out, the zero line pin pass through shell and are electrically connected with extraneous alternating current, and the first zero line output foot is located at the outer of mutual inductor
Side and circuit board electrical connection, the second zero line output foot pass through mutual inductor and are electrically connected with zero curve stationary contact.
In the technical scheme, it is additionally provided with mutual inductor on the mounting rack and places position, the mutual inductor is placed on mutual inductance
Device is placed in position.
In the technical scheme, it is equipped with the first supporting part in the junction of the second firewire output pin and live prong,
The second supporting part is equipped in the junction of the second zero line output foot and zero line pin；The mutual inductor is set in the second firewire
On output pin and the second zero line output foot and support is on the first supporting part and the second supporting part.
In the technical scheme, it is equipped with third supporting part in the junction of the first firewire output pin and live prong,
It is equipped with the 4th supporting part in the junction of the first zero line output foot and zero line pin, the mutual inductor also support is held in third
In support portion and the 4th supporting part.
In the technical scheme, firewire movable contact is equipped on the firewire movable contact spring；The firewire movable contact is located at fire
The lower section of line stationary contact is simultaneously electrically connected under trip gear drive with firewire stationary contact point touch；It is equipped on the zero curve movable contact spring
Zero curve movable contact, the zero curve movable contact are located at the lower section of zero curve stationary contact and touch under trip gear drive with zero curve stationary contact
Touch electrical connection.
In the technical scheme, live wire conductive and neutral wire conductive are separately installed on the wiring board；The fire
One end of line conductive sheet is connect with the second firewire output pin, and the other end is connect with firewire stationary contact；The one of the neutral wire conductive
End is connect with the second zero line output foot, and the other end is connect with zero curve stationary contact.
In the technical scheme, demarcation plate, the second firewire output pin and the 2nd 0 are additionally provided on the mounting rack
Line output pin is located at the two sides of demarcation plate to play the role of isolation.
In the technical scheme, the trip gear includes reset key, iron core, little spring, tripping coil, tripping card
Piece, pressure arm and big spring；The reset key is located in shell and can axially move up and down, and the upper end of reset key passes through line
It is outer so that press section is formed, equipped with locating groove on reset key that road plate stretches out shell；The tripping coil and wiring board electricity
Connection, the iron core and little spring are each provided in tripping coil, and iron core is horizontally moveable in tripping coil, the right end of little spring
It is resisted against on tripping coil, the left end of little spring is resisted against on iron core right end, and the tripping card right part is fastened on iron core
Left part can simultaneously move up and down, and the pressure arm is set on reset key and opposite can move up and down, and be equipped at the middle part of pressure arm
The left part of socket, card of threading off is fastened in socket, when tripping card pushes iron core to be moved to the left with the elastic force of little spring, is taken off
The left part of buckle piece, which can be caught in locating groove and socket, is integrated reset key with pressure arm lock；The lower end of the big spring
In the circuit board, the upper end of big spring is mounted on reset key, and the arm is respectively provided at the two sides of pressure arm, and arm can for installation
It is moved up and down in the opening sliding slot of mounting rack two sides.
The present invention compared with prior art the advantages of are as follows: the standard of new UL can be reached, wiring board can be each to itself
Element carries out self-test, highly-safe.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is the perspective view of internal structure of the invention；
Fig. 3 is the exploded view of Fig. 2；
Fig. 4 is the perspective view of Fig. 2 removal wiring board；
Fig. 5 is the main view of Fig. 2；
Fig. 6 is the A-A cross-sectional view of Fig. 5；
Fig. 7 is the left view of Fig. 2；
Fig. 8 is the B-B cross-sectional view of Fig. 7；
Fig. 9 is live prong, zero line pin and the mutually matched perspective view of mutual inductor of the present invention；
Figure 10 is the exploded view of Fig. 9.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
In the present description, the orientation or positional relationship of the instructions such as term " left side " and " right side " is side based on the figure
Position or positional relationship are merely for convenience of the description present invention rather than require the present invention that must be constructed and be grasped with specific orientation
Make, therefore is not considered as limiting the invention.
It as shown in Figures 1 to 10, is a kind of leakage protecting plug, including shell 1, wiring board 2, trip gear 3, firewire
Movable contact spring 4, zero curve movable contact spring 5, mounting rack 6, mutual inductor 7, live prong structure 8 and zero line pin structure 9, wherein
The wiring board 2 is mounted in shell 1, and the mounting rack 6 is installed in assist side 2, and tripping dress is equipped on mounting rack 6
Set 61 is put, the trip gear 3 is mounted on trip gear and places in position 61 and be electrically connected with wiring board 2；In the route
Be respectively equipped with firewire stationary contact 21 and zero curve stationary contact 22 on plate 2, the firewire stationary contact 21 and zero curve stationary contact 22 respectively with
Extraneous electric appliance electrical connection；One end of the firewire movable contact spring 4 and zero curve movable contact spring 5 is separately mounted on wiring board 2 and and route
Plate 2 is electrically connected, and the other end of firewire movable contact spring 4 is resisted against on the arm 361 of trip gear 3 and can touch with firewire stationary contact 21
Electrical connection, the other end of zero curve movable contact spring 5 are resisted against on another arm 361 of trip gear 3 and can touch with zero curve stationary contact 22
Touch electrical connection；The mutual inductor 7 is located in shell 1 and is electrically connected with wiring board 2；It is characterized in that also distinguishing on mounting rack 6
Live prong structure 8 and zero line pin structure 9 are installed；The live prong structure 8 includes the live prong being electrically connected to each other
81, the first firewire output pin 82 and the second firewire output pin 83, the live prong 81 pass through shell 1 and are electrically connected with extraneous alternating current
It connects, the first firewire output pin 82 is located at the outside of mutual inductor 7 and is electrically connected with wiring board 2, the second firewire output pin
83 pass through mutual inductor 7 and are electrically connected with firewire stationary contact 21；The zero line pin structure 9 includes the zero line pin being electrically connected to each other
91, the first zero line output foot 92 and the second zero line output foot 93, the zero line pin 91 pass through shell 1 and are electrically connected with extraneous alternating current
It connects, the outside that the first zero line output foot 92 is located at mutual inductor 7 is electrically connected with wiring board 2, the second zero line output foot 93
It is electrically connected across mutual inductor 7 with zero curve stationary contact 22.
When there is leakage current by the second firewire output pin 83 and the second zero line output foot 93, the second firewire output pin 83
And second zero line output foot 93 incude respectively with mutual induction 7, the magnetic flux of mutual inductor 7 changes to generating signal, signal
It is transferred to wiring board 2, wiring board 2 controls the tripping power-off of trip gear 3；This structure can achieve the standard of new UL, and can be real
Function of the existing wiring board 2 to itself element self-test.
In the present embodiment, it is additionally provided with mutual inductor on the mounting rack 6 and places position 62, the mutual inductor 7 is placed on mutually
Sensor is placed in position 62.
In the present embodiment, the first supporting part is equipped in the junction of the second firewire output pin 83 and live prong 81
831, the second supporting part 931 is equipped in the junction of the second zero line output foot 93 and zero line pin 91；7 sets of the mutual inductor
It is located on the second firewire output pin 83 and the second zero line output foot 93 and support is in the first supporting part 831 and the second supporting part 931
On.
In the present embodiment, third supporting part is equipped in the junction of the first firewire output pin 82 and live prong 81
821, it is equipped with the 4th supporting part 921 in the junction of the first zero line output foot 92 and zero line pin 81, the mutual inductor 7 is also
Support is on third supporting part 821 and the 4th supporting part 921.
In the present embodiment, firewire movable contact 41 is equipped on the firewire movable contact spring 4；The firewire movable contact 41 is located at
The lower section of firewire stationary contact 21 is simultaneously electrically connected under the drive of trip gear 3 with the touching of firewire stationary contact 21；In the dynamic touching of the zero curve
Piece 5 is equipped with zero curve movable contact 51, and the zero curve movable contact 51 is located at the lower section of zero curve stationary contact 22 and drives in trip gear 3
It is lower to be electrically connected with the touching of zero curve stationary contact 22.
In the present embodiment, live wire conductive 23 and neutral wire conductive 24 are separately installed on the wiring board 2；It is described
One end of live wire conductive 23 is connect with the second firewire output pin 83, and the other end is connect with firewire stationary contact 21；The zero curve is led
One end of electric piece 24 is connect with the second zero line output foot 93, and the other end is connect with zero curve stationary contact 22.
In the present embodiment, demarcation plate 64, the second firewire output pin 83 and second are additionally provided on the mounting rack 6
Zero line output foot 93 is located at the two sides of demarcation plate 64 to play the role of isolation, to prevent the second firewire output pin 83
And second zero line output foot 93 interfere with each other.
In the present embodiment, the trip gear 3 include reset key 31, iron core 32, little spring 33, tripping coil 34,
Tripping card 35, pressure arm 36 and big spring 37；The reset key 31 is located in shell 1 and can axially move up and down, and reset is pressed
The upper end of key 31 passes through wiring board 2 and stretches out to form press section outside shell 1, and locating groove is equipped on reset key 31
311；The tripping coil 34 is electrically connected with wiring board 2, and the iron core 32 and little spring 33 are each provided in tripping coil 34, iron core
32 is horizontally moveable in tripping coil 34, and the right end of little spring 33 is resisted against on tripping coil 34, and the left end of little spring 33 is supported
It leans against on 32 right end of iron core, tripping 35 right part of card is fastened on the left part of iron core 32 and can move up and down, the pressure
Arm 36 is set on reset key 31 and opposite can move up and down, and is equipped with socket 362 at the middle part of pressure arm 36, tripping card 35
Left part is fastened in socket 362, when tripping card 35 pushes iron core 32 to be moved to the left with the elastic force of little spring 33, card of threading off
35 left part, which can be caught in locating groove 311 and socket 362, is integrated reset key 31 with the lock of pressure arm 36；The big spring
In 37 lower end installation assist side 2, the upper end of big spring 37 is mounted on reset key 31, and the arm 361 is respectively provided at
The two sides of pressure arm 36, arm 361 can move up and down in the opening sliding slot 63 of 6 two sides of mounting rack.
Embodiments of the present invention are explained in detail in conjunction with attached drawing above, but the present invention is not limited to described reality
Apply mode.For the ordinary skill in the art, without departing from the principle and spirit of the present invention to these
Embodiment carries out a variety of variations, modification, replacement and deformation and still falls within the scope of the present invention.
Claims (8)
1. a kind of leakage protecting plug, including shell (1), wiring board (2), trip gear (3), firewire movable contact spring (4), zero curve are dynamic
Contact (5), mounting rack (6) and mutual inductor (7)；The wiring board (2) is mounted in shell (1), and the mounting rack (6) is mounted on
On wiring board (2), trip gear is equipped on mounting rack (6) and places position (61), the trip gear (3) is mounted on trip gear
It places in position (61) and is electrically connected with wiring board (2)；Firewire stationary contact (21) and zero curve are respectively equipped on the wiring board (2)
Stationary contact (22), the firewire stationary contact (21) and zero curve stationary contact (22) are electrically connected with extraneous electric appliance respectively；The firewire is dynamic
One end of contact (4) and zero curve movable contact spring (5) is separately mounted to be electrically connected on wiring board (2) and with wiring board (2), the dynamic touching of firewire
The other end of piece (4) is resisted against on the arm (361) of trip gear (3) and can touch with firewire stationary contact (21) and is electrically connected, and zero
The other end of line movable contact spring (5) is resisted against on another arm (361) of trip gear (3) and can touch with zero curve stationary contact (22)
Electrical connection；The mutual inductor (7) is located in shell (1) and is electrically connected with wiring board (2)；It is characterized in that on mounting rack (6)
Also it is separately installed with live prong structure (8) and zero line pin structure (9)；The live prong structure (8) includes being electrically connected mutually
Live prong (81), the first firewire output pin (82) and the second firewire output pin (83) connect, the live prong (81) pass through
Shell (1) is electrically connected with extraneous alternating current, and the first firewire output pin (82) is located at the outside of mutual inductor (7) and and wiring board
(2) it is electrically connected, the second firewire output pin (83) passes through mutual inductor (7) and is electrically connected with firewire stationary contact (21)；Described zero
Line pin configuration (9) includes the zero line pin (91) being electrically connected to each other, the first zero line output foot (92) and the second zero line output foot
(93), the zero line pin (91) passes through shell (1) and is electrically connected with extraneous alternating current, and the first zero line output foot (92) is located at
The outside of mutual inductor (7) is electrically connected with wiring board (2), and the second zero line output foot (93) passes through mutual inductor (7) and zero curve is quiet
Contact (22) electrical connection.
2. according to leakage protecting plug described in claim 1, it is characterised in that be additionally provided with mutual inductor on the mounting rack (6)
It places position (62), the mutual inductor (7) is placed on mutual inductor and places in position (62).
3. according to leakage protecting plug described in claim 1, it is characterised in that in the second firewire output pin (83) and fire
The junction of line pin (81) is equipped with the first supporting part (831), in the second zero line output foot (93) and zero line pin (91)
Junction be equipped with the second supporting part (931)；The mutual inductor (7) is set in the second firewire output pin (83) and the second zero curve is defeated
Out on foot (93) and support on the first supporting part (831) and the second supporting part (931).
4. leakage protecting plug according to claim 3, it is characterised in that in the first firewire output pin (82) and fire
The junction of line pin (81) is equipped with third supporting part (821), in the first zero line output foot (92) and zero line pin (81)
Junction be equipped with the 4th supporting part (921), the mutual inductor (7) also support in third supporting part (821) and the 4th supporting part
(921) on.
5. leakage protecting plug according to claim 1, it is characterised in that be equipped with firewire on the firewire movable contact spring (4)
Movable contact (41)；The firewire movable contact (41) be located at the lower section of firewire stationary contact (21) and trip gear (3) drive it is lower and
Firewire stationary contact (21) touching electrical connection；Zero curve movable contact (51) are equipped on the zero curve movable contact spring (5), the dynamic touching of the zero curve
Point (51) is located at the lower section of zero curve stationary contact (22) and is electrically connected in the case where trip gear (3) drive with zero curve stationary contact (22) touching
It connects.
6. leakage protecting plug according to claim 1, it is characterised in that be separately installed with fire on the wiring board (2)
Line conductive sheet (23) and neutral wire conductive (24)；One end of the live wire conductive (23) and the second firewire output pin (83) are even
It connects, the other end is connect with firewire stationary contact (21)；One end of the neutral wire conductive (24) and the second zero line output foot (93) are even
It connects, the other end is connect with zero curve stationary contact (22).
7. leakage protecting plug according to claim 1, it is characterised in that be additionally provided with demarcation plate on the mounting rack (6)
(64), the second firewire output pin (83) and the second zero line output foot (93) are located at the two sides of demarcation plate (64) to rise
To the effect of isolation.
8. leakage protecting plug according to claim 1, it is characterised in that the trip gear (3) includes reset key
(31), iron core (32), little spring (33), tripping coil (34), tripping card (35), pressure arm (36) and big spring (37)；It is described
Reset key (31) is located in shell (1) and can axially move up and down, and the upper end of reset key (31) passes through wiring board (2) and stretches
Shell (1) is equipped with locating groove (311) on reset key (31) outside to form press section out；The tripping coil (34)
It is electrically connected with wiring board (2), the iron core (32) and little spring (33) are each provided in tripping coil (34), and iron core (32) is being threaded off
Horizontally moveable in coil (34), the right end of little spring (33) is resisted against on tripping coil (34), and the left end of little spring (33) is supported
It leaning against on iron core (32) right end, described tripping card (35) right part is fastened on the left part of iron core (32) and can move up and down,
The pressure arm (36) is set on reset key (31) and opposite can move up and down, and is equipped with socket at the middle part of pressure arm (36)
(362), the left part of tripping card (35) is fastened in socket (362), and tripping card (35) is pushed away with the elastic force of little spring (33)
When dynamic iron core (32) is moved to the left, the left part of tripping card (35), which can be caught in locating groove (311) and socket (362), to be made to reset
Key (31) is integrated with pressure arm (36) lock；In lower end installation assist side (2) of the big spring (37), big spring (37)
Upper end be mounted on reset key (31), the arm (361) is respectively provided at the two sides of pressure arm (36), and arm (361) can be
It is moved up and down in the opening sliding slot (63) of mounting rack (6) two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441367.1A CN109411966B (en) | 2018-11-29 | 2018-11-29 | Leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441367.1A CN109411966B (en) | 2018-11-29 | 2018-11-29 | Leakage protection plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109411966A true CN109411966A (en) | 2019-03-01 |
| CN109411966B CN109411966B (en) | 2023-11-17 |
Family
ID=65456255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811441367.1A Active CN109411966B (en) | 2018-11-29 | 2018-11-29 | Leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109411966B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969374A (en) * | 2020-09-17 | 2020-11-20 | 余姚市中建电器有限公司 | Leakage protection plug |
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| CN201549711U (en) * | 2009-09-21 | 2010-08-11 | 康佳集团股份有限公司 | Power plug and electric apparatus |
| CN106025721A (en) * | 2016-06-17 | 2016-10-12 | 佛山市顺德区信辉达电子有限公司 | Three-pole power-off and leakage protection plug |
| CN107508090A (en) * | 2017-09-07 | 2017-12-22 | 中山市拓昊电器有限公司 | One kind has earth leakage protective safety plug |
| CN208001053U (en) * | 2018-04-08 | 2018-10-23 | 佛山市顺德区信辉达电子有限公司 | Socket with earth leakage protective device |
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2018
- 2018-11-29 CN CN201811441367.1A patent/CN109411966B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201549711U (en) * | 2009-09-21 | 2010-08-11 | 康佳集团股份有限公司 | Power plug and electric apparatus |
| CN106025721A (en) * | 2016-06-17 | 2016-10-12 | 佛山市顺德区信辉达电子有限公司 | Three-pole power-off and leakage protection plug |
| CN107508090A (en) * | 2017-09-07 | 2017-12-22 | 中山市拓昊电器有限公司 | One kind has earth leakage protective safety plug |
| CN208001053U (en) * | 2018-04-08 | 2018-10-23 | 佛山市顺德区信辉达电子有限公司 | Socket with earth leakage protective device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969374A (en) * | 2020-09-17 | 2020-11-20 | 余姚市中建电器有限公司 | Leakage protection plug |
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| Publication number | Publication date |
|---|---|
| CN109411966B (en) | 2023-11-17 |
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