CN207691134U - A kind of three poles power-off leakage protecting plug - Google Patents
A kind of three poles power-off leakage protecting plug Download PDFInfo
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- CN207691134U CN207691134U CN201721796228.1U CN201721796228U CN207691134U CN 207691134 U CN207691134 U CN 207691134U CN 201721796228 U CN201721796228 U CN 201721796228U CN 207691134 U CN207691134 U CN 207691134U
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- sliding seat
- drive rod
- body frame
- contact
- pressure side
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- 238000009434 installation Methods 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000001681 protective effect Effects 0.000 abstract description 12
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000000284 extract Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
A kind of three poles power-off leakage protecting plug, including body frame, the sliding seat being arranged in body frame can be moved up and down, the drive rod being inserted on body frame can be moved up and down, it is arranged on drive rod and for driving the first drive component that it moves up and being arranged on body frame and positioning device for locking or discharging drive rod, body frame bottom surface is equipped with first and pushes contact, first contact and earthing contact, first pushing contact includes the first fixing end being mounted on body frame and is connect with the first fixing end and be located at first time pressure side above sliding seat, first time pressure side and the first contact are oppositely arranged, sliding seat is equipped with grounding wafer, grounding wafer is oppositely arranged with earthing contact.The utility model is simple in structure; when electric leakage; first time pressure side and the first contact separation; grounding wafer is detached with earthing contact; realize that three poles power-off earth leakage protective plug inside corresponds to all circuits disconnection of firewire, ground wire and zero curve; it is equivalent to it and extracts socket, power-off protection is reliable, ensures that security appliance uses.
Description
Technical field
The utility model is related to a kind of three poles to power off leakage protecting plug.
Background technology
In the prior art, leakage protection structure inside leakage protecting plug is complicated, and power-off protection when electric leakage is unreliable,
In addition, existing leakage protecting plug can only carry out detection of electrical leakage to firewire or zero curve and carry out power-off protection, it cannot be to ground wire
Band electrical anomaly is detected and carries out power-off protection, has certain danger.
Therefore, it is necessary to be further improved.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, and provide a kind of three poles power-off electric leakage
Plug is protected, simple in structure, when electric leakage, first time pressure side and the first contact separation, grounding wafer are detached with earthing contact, i.e.,
It realizes that three poles power-off earth leakage protective plug inside corresponds to all circuits disconnection of firewire, ground wire and zero curve, is equivalent to its extraction and inserts
Seat, power-off protection is reliable, ensures the safe handling of electric appliance.
What the purpose of this utility model was realized in：
A kind of three poles power off leakage protecting plug, including body frame, can move up and down the sliding seat being arranged in body frame, can on
Drive rod that lower movement is inserted on body frame is arranged on drive rod and the first drive component for driving it to move up and setting
On body frame and for locking or discharging the positioning device of drive rod, body frame bottom surface be equipped with first push contact, the first contact and
Earthing contact, the first pushing contact include the first fixing end being mounted on body frame and are connect with the first fixing end and be located at sliding
First time pressure side of seat top, first time pressure side and the first contact are oppositely arranged, and sliding seat is equipped with grounding wafer, grounding wafer
It is oppositely arranged with earthing contact；
Under normal condition, drive rod sequentially passes through body frame, sliding seat and positioning device, drive rod bottom and positioning device phase
Button installation, the first drive component drive drive rod to move up, and drive sliding seat, first time pressure side and grounding wafer to move up, under first
Pressure side is pressed on the first contact, and grounding wafer is pressed on earthing contact；
Under leakage condition, positioning device discharges drive rod, and the first drive component drives drive rod to move up, under first time pressure side
Press sliding seat, first time pressure side, sliding seat and grounding wafer move down, first time pressure side and the first contact separation, grounding wafer and
Earthing contact detaches.
The sliding seat front is extended with fixed link, and grounding wafer is arranged in fixed link.
The body frame is equipped with horizontal second and pushes contact comprising the second fixing end for being fixed on body frame and with the
Second time pressure side of two fixing ends connection, body frame are equipped with limit tablet, and second time pressure side is resisted against on limit tablet and keeps
Horizontality, spaced between second time pressure side and body frame bottom surface, the bottom second time pressure side side is arranged in earthing contact.
The positioning device includes that can be moved forward and backward the slide plate being arranged in sliding seat, be arranged on body frame and positioned at sliding
The electromagnet stent at seat rear and it can be moved forward and backward the magnetic core being arranged on electromagnet stent, slide plate rear end and magnetic core spiral-lock are preceding
Sliding seat front is stretched out at end, and the second back-moving spring for driving slide plate Forward, driving are equipped between slide plate front end and sliding seat front
Bar end is equipped with back-off portion；
Under normal condition, drive rod sequentially passes through body frame, sliding seat and slide plate, and drive rod back-off portion's spiral-lock is at slide plate bottom
Portion, second back-moving spring drive slide plate Forward, slide plate to lock drive rod, and the first drive component drives drive rod to move up, and drives and slides
Piece sliding seat, first time pressure side and grounding wafer move up；
Under leakage condition, electromagnet stent obtains electric, moves and is pull-in on electromagnet stent after magnetic core, is moved after driving slide plate,
Drive rod back-off portion is detached from slide plate bottom, and first time pressure side pushes sliding seat, and first time pressure side, sliding seat, slide plate and ground connection are touched
Piece moves down.
The back-off portion includes the mounting groove being opened on drive rod and is cut by what mounting groove outer side bottom surface extended downwardly
Inclined-plane, under normal condition, mounting groove spiral-lock is on slide plate.
The slide plate is L-shaped, including the horizontal segment of interconnection and vertical section upward, horizontal segment can slide back and forth setting
In sliding seat, sliding seat front is stretched out in horizontal segment front end, and the empty slot passed through for drive rod is offered in horizontal segment, and second is multiple
Position spring one end is resisted against sliding seat front, and the other end acts against on empty slot inner wall, and empty slot inner wall corresponds to second back-moving spring and sets
There are protrusion, second back-moving spring to be sleeved on protrusion, vertical section is oppositely arranged with magnetic core, and installation is offered in vertical section
Slot, magnetic core include the shaft being arranged on electromagnet stent and limit round table in shaft end are arranged, and shaft passes through mounting groove,
Limit round table is resisted against the inside of vertical section.
The body frame upper surface is fixed with circuit board, and the head of drive rod exposes to circuit board, the first drive component
For (the first back-moving spring, (the first back-moving spring one end acts against circuit board surface, and the other end acts against in driving club head, and first
Contact and earthing contact are and circuit board electrical connection.
The quantity of the first pushing contact and the first contact is two, is laid in the left and right sides of sliding seat respectively.
The sliding seat left and right sides are outward extended with cross bar respectively, are contacted with first time pressure side bottom at the top of cross bar,
Body frame is equipped with installation cavity, and sliding seat and positioning device are arranged in installation cavity, and corresponding cross bar is equipped at left and right sides of installation cavity
Vertical sliding slot, sliding slot lower section offer the back-off groove communicated therewith, are arcwall face at the top of cross bar, and cross bar is buckled to from its top edge
Slot is embedded in sliding slot, and cross bar is equipped with limiting plate, and limiting plate is resisted against on the outside of sliding slot.
It is fixed with pin base below the sliding seat, live prong, zero line pin and earth pin are laid on pin base,
Live prong and left side first push contact and be electrically connecteds, and zero line pin is electrically connected with the pushing contact of right side first, earth pin and
Grounding wafer is electrically connected, and is equipped with the second contact in first time pressure side and grounding wafer, and driving club head is in hat shape, on circuit board
It is fixed with by hat stand, by being provided on hat stand by cap, driving club head is passed through by hat stand and stretched by cap, and the power-off of three poles is leaked electricity
It includes shell to protect plug, and circuit board, body frame, sliding seat, positioning device and pin base are respectively positioned on enclosure interior, by cap, firewire
Pin, zero line pin and earth pin expose to shell, and shell is equipped with output line set.
The beneficial effects of the utility model are as follows：
The improvement of this three poles power-off leakage protecting plug overcomes the deficiencies in the prior art, provides a kind of earth leakage protective dress
It sets, both can firewire, zero curve electric leakage be carried out power-off protection or can leak electricity to ground wire be detected power-off protection, it can be three extremely disconnected
The fire of switch power supply, zero, three lines (i.e. first time pressure side is disconnected with the first contact separation, and earthing contact detaches disconnected with grounding wafer
Open), it realizes the disconnection of three poles power-off earth leakage protective plug inside circuit, it is equivalent to after power-off and extracts socket, is substantially increased
The safety of electrical appliance.
Three poles power off leakage protecting plug after once leaking electricity, and positioning device discharges drive rod, and drive rod is not outer
In the state of power drive, will not again pass through downwards positioning device and with its installation that interlocks, ensure three poles power-off earth leakage protective insert
Head electric leakage disconnect after spontaneous will not reset, ensure three poles power-off leakage protecting plug and electric appliance it is safe to use.
After user investigates good electric leakage reason and repairs, by pushing drive rod, drive rod interlocks with positioning device again
Installation, the first drive component drive drive rod to move up, and sliding seat, first time pressure side and grounding wafer is driven to move up, and first pushes
End is pressed on again on the first contact, and grounding wafer is pressed on earthing contact again, realizes that three poles power off leakage protecting plug
The corresponding fire in inside, zero, the circuits of three lines connect.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the utility model.
Fig. 2 is the structural schematic diagram of one embodiment of the utility model.
Fig. 3 is the sectional view of one embodiment of the utility model.
Fig. 4 is the structural schematic diagram of one embodiment of the utility model.
Fig. 5 is the exploded view of one embodiment of the utility model.
Fig. 6 is the exploded view of one embodiment of the utility model.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Fig. 6, this three pole powers off leakage protecting plug, including body frame 1, can move up and down and be arranged in body frame 1
Sliding seat 2, the drive rod 3 being inserted on body frame 1 can be moved up and down, be arranged on drive rod 3 and for driving it to move up
First drive component 31 and the positioning device for being arranged on body frame 1 and be used to lock or discharge drive rod 3,1 bottom surface of body frame is equipped with
First pushes contact, the first contact 41 and earthing contact 72, and the first pushing contact includes the first fixing end being mounted on body frame 1
It 42 and is connect with the first fixing end 42 and positioned at first time pressure side 43 of the top of sliding seat 2, first time pressure side 43 and the first contact
41 are oppositely arranged, and sliding seat 2 is equipped with grounding wafer 71, and grounding wafer 71 is oppositely arranged with earthing contact 72；
Under normal condition, drive rod 3 sequentially passes through body frame 1, sliding seat 2 and positioning device, and 3 bottom of drive rod is filled with positioning
The installation that interlocks is set, the first drive component 31 drives drive rod 3 to move up, and drives sliding seat 2, first time pressure side 43 and grounding wafer 71
It moves up, first time pressure side 43 is pressed on the first contact 41, and grounding wafer 71 is pressed on earthing contact 72；
Under leakage condition, positioning device discharges drive rod 3, and the first drive component 31 drives drive rod 3 to move up, and first pushes
End 43 pushes sliding seat 2, and first time pressure side 43, sliding seat 2 and grounding wafer 71 move down, first time pressure side 43 and the first contact 41
Separation, grounding wafer 71 are detached with earthing contact 72.
The improvement of this three poles power-off leakage protecting plug overcomes the deficiencies in the prior art, provides a kind of earth leakage protective dress
It sets, both can firewire, zero curve electric leakage be carried out power-off protection or can leak electricity to ground wire be detected power-off protection, it can be three extremely disconnected
The fire of switch power supply, zero, three lines (i.e. first time pressure side 43 detaches disconnection, earthing contact 72 and grounding wafer with the first contact 41
71 separation disconnect), it realizes the disconnection of three poles power-off earth leakage protective plug inside circuit, it is equivalent to after power-off and extracts socket, greatly
The big safety for improving electrical appliance.
Three poles power off leakage protecting plug after once leaking electricity, and positioning device discharges drive rod 3, and drive rod 3 is not having
In the state of outer power drive, will not again pass through downwards positioning device and with its installation that interlocks, ensure three poles power off earth leakage protective
Plug electric leakage disconnect after spontaneous will not reset, ensure three poles power-off leakage protecting plug and electric appliance it is safe to use.
When user investigate good electric leakage reason and repair after, by push drive rod 3, drive rod 3 again with positioning device phase
Button installation, the first drive component 31 drive drive rod 3 to move up, and drive on sliding seat 2, first time pressure side 43 and grounding wafer 71
It moves, first time pressure side 43 is pressed on again on the first contact 41, and grounding wafer 71 is pressed on again on earthing contact 72, realizes three
Pole power off earth leakage protective plug inside correspond to fire, zero, three lines circuit connect.
Further, 2 front of the sliding seat is extended with fixed link 22, and grounding wafer 71 is arranged in fixed link 22, is
The volume of sliding seat 2 is reduced, passes through and the installation that fixed link 22 carries out grounding wafer 71 is set, mitigates the whole matter of sliding seat 2
Amount.
Further, the body frame 1 is equipped with horizontal second and pushes contact comprising second be fixed on body frame is solid
Fixed end 91 and the second time pressure side 92 being connect with the second fixing end 91, body frame 1 are equipped with limit tablet 93, and second time pressure side 92 is supported
It leans against and limits on tablet 93 and keep horizontality, spaced, earthing contact 72 between 1 bottom surface of second time pressure side 92 and body frame
Bottom second time 92 side of pressure side is set.
Under normal condition, grounding wafer 71 is pressed on earthing contact 72, and second time pressure side 92 is by upper pressure and is detached from limit
Tablet 93.
Under leakage condition, grounding wafer 71 is detached with earthing contact 72, and second time pressure side 92 is resisted against on limit tablet 93.
First time pressure side 43 and second time pressure side 92 itself have the trend being pressed downward, and ensure reliability when its work.
Further, the positioning device includes that can be moved forward and backward the slide plate being arranged in sliding seat 2, be arranged in body frame 1
It goes up and is located at the electromagnet stent 52 at 2 rear of sliding seat and the magnetic core being arranged on electromagnet stent 52, slide plate can be moved forward and backward
Rear end and magnetic core spiral-lock, front end stretch out 2 front of sliding seat, are equipped between 2 front of slide plate front end and sliding seat and drive slide plate Forward
Second back-moving spring 54,3 end of drive rod is equipped with back-off portion, and there are many form, those skilled in the art for the structure in back-off portion
Member is appreciated that.
Positioning device structure is simple, and reliability is high, ensures the safe handling of three poles power-off leakage protecting plug.
Under normal condition, drive rod 3 sequentially passes through body frame 1, sliding seat 2 and slide plate, and 3 back-off portion spiral-lock of drive rod is in slide plate
Bottom, second back-moving spring 54 drive slide plate Forward, slide plate to lock drive rod 3, and the first drive component 31 drives on drive rod 3
It moves, slide plate sliding seat 2, first time pressure side 43 and grounding wafer 71 is driven to move up, realize that three poles power off earth leakage protective plug inside
The connection of circuit.
Under leakage condition, electromagnet stent 52 must be electric, moves and is pull-in on electromagnet stent 52 after magnetic core, after driving slide plate
It moves, 3 back-off portion of drive rod is detached from slide plate bottom, and first time pressure side 43 pushes sliding seat 2, and first time pressure side 43, is slided sliding seat 2
Piece and grounding wafer 71 move down, and realize the disconnection of three poles power-off earth leakage protective plug inside circuit.
Further, the back-off portion includes the mounting groove 32 being opened on drive rod 3 and by 32 outer side bottom surface of mounting groove
What is extended downwardly cuts inclined-plane 33.
Under normal condition, 32 spiral-lock of mounting groove is on slide plate, also, slide plate is under the tensioning function of second back-moving spring 54
It will not loosen, ensure the three poles power-off leakage protecting plug reliability that internal circuit connects in normal state.
Under leakage condition, magnetic core overcomes the active force of second back-moving spring 54, moves and is pull-in on electromagnet stent 52 afterwards,
Mounting groove 32 is detached from slide plate, and drive rod 3 is released, and there is no interaction force, drive rods 3 between drive rod 3 and sliding seat 2
It is moved up under the drive of the first drive component 31, sliding seat 2 is under the action of the suppressing action of first time pressure side 43 and its dead weight
It moves down, realizes the disconnection of three poles power-off earth leakage protective plug inside circuit.When user is again switched on, needs to push drive rod 3, drive
Lever 3 cuts inclined-plane 33 along it and is depressed into below slide plate, the installation until mounting groove 32 and slide plate interlock.
Further, the slide plate is L-shaped, including the horizontal segment 56 of interconnection and vertical section 55 upward, horizontal segment
56 can slide back and forth setting in sliding seat 2, and slide plate is synchronous with moving up and down for sliding seat 2, and 56 front end of horizontal segment is stretched out
2 front of sliding seat offers the empty slot 57 passed through for drive rod 3 in horizontal segment 56, and 54 one end of second back-moving spring is resisted against
2 front of sliding seat, the other end act against on 57 inner wall of empty slot, and 57 inner wall of empty slot corresponds to second back-moving spring 54 and is equipped with protrusion
58, second back-moving spring 54 is sleeved on protrusion 58, and vertical section 55 is oppositely arranged with magnetic core, and installation is offered in vertical section 55
Slot 59, magnetic core include the shaft 51 being arranged on electromagnet stent 52 and are arranged limit round table 53 in 51 end of shaft, shaft
51 pass through mounting groove 59, limit round table 53 to be resisted against the inside of vertical section 55.Mounting groove 59 and limit round table 53 ensure that slide plate
The state for the installation that interlocks is still maintained when sliding seat 2 being followed to move up and down, between magnetic core and slide plate.
Further, 1 upper surface of the body frame is fixed with circuit board 61, and the head of drive rod 3 exposes on circuit board 61
Side, the first drive component 31 are (the first back-moving spring, and (the first back-moving spring one end acts against 61 surface of circuit board, and the other end abuts against
In 3 head of drive rod, the first contact 41 and earthing contact 72 are electrically connected with circuit board 61, those skilled in the art
Understand.
Further, the quantity of the first pushing contact and the first contact 41 is two, is laid in sliding seat 2 respectively
The left and right sides, correspond to firewire and zero curve respectively.
Further, 2 left and right sides of the sliding seat are outward extended with cross bar 21 respectively, 21 top of cross bar under first
43 bottom of pressure side contacts, and body frame 1 is equipped with installation cavity 11, and sliding seat 2 and positioning device are arranged in installation cavity 11, installation cavity
The corresponding cross bar 21 in 11 left and right sides is equipped with vertical sliding slot 12, and 12 lower section of sliding slot offers the back-off groove 13 communicated therewith, cross bar
21 tops are arcwall face, and cross bar 21 is embedded in along back-off groove 13 in sliding slot 12 from its top, ensures that cross bar 21 is installed into sliding slot 12
It after interior, will not fall off, cross bar 21 is equipped with limiting plate 14, and limiting plate 14 is resisted against 12 outside of sliding slot, ensures that sliding seat 2 will not produce
Raw excessive double swerve ensures the reliability of three poles power-off leakage protecting plug.
Further, 2 lower section of the sliding seat is fixed with pin base 81, and live prong 82, zero is laid on pin base 81
Line pin 83 and earth pin 84, live prong 82 push contact with left side first and are electrically connected, zero line pin 83 and right side first
Contact electrical connection is pushed, earth pin 84 is electrically connected with grounding wafer 71, is equipped on first time pressure side 43 and grounding wafer 71
Second contact 89,3 head of drive rod are in hat shape 34, are fixed on circuit board 61 by hat stand 85, by being provided with by cap on hat stand 85
86,3 head of drive rod passes through by hat stand 85 and stretches by cap 86, and under normal condition, i.e. drive rod 3 and positioning device interlocks peace
Dress, by spaced between the top of cap 86 and 3 head of drive rod, guarantee drive rod 3 has enough spaces that moves up, user press by
It after cap 86, is moved down by cap 86 and then 3 head of drive rod is driven to move down, it includes shell 87, circuit that three poles, which power off leakage protecting plug,
Plate 61, body frame 1, sliding seat 2, positioning device and pin base 81 are respectively positioned on inside shell 87, by cap 86, live prong 82, zero curve
Pin 83 and earth pin 84 expose to shell 87, and shell 87 is equipped with output line and covers 88, and those skilled in the art can manage
Solution.
Above disclosure is merely preferred embodiments of the utility model, rather than with this utility model is limited
Claims still belong to what the utility model was protected according to equivalent variations made by scope of protection of the utility model
Range.
Claims (10)
1. a kind of three poles power off leakage protecting plug, which is characterized in that including body frame (1), setting can be moved up and down in body frame (1)
Interior sliding seat (2) can move up and down the drive rod (3) being inserted on body frame (1), is arranged on drive rod (3) and be used for band
Move the first drive component (31) and the positioning dress for being arranged on body frame (1) and be used to lock or discharge drive rod (3) that it is moved up
It sets, body frame (1) bottom surface is equipped with first and pushes contact, the first contact (41) and earthing contact (72), and first, which pushes contact, includes peace
It the first fixing end (42) on body frame (1) and is connect with the first fixing end (42) and first above sliding seat (2)
Lower pressure side (43), first time pressure side (43) and the first contact (41) are oppositely arranged, and sliding seat (2) is equipped with grounding wafer (71),
Grounding wafer (71) is oppositely arranged with earthing contact (72)；
Under normal condition, drive rod (3) sequentially passes through body frame (1), sliding seat (2) and positioning device, drive rod (3) bottom with it is fixed
Position device interlocks installation, and the first drive component (31) drives drive rod (3) to move up, drive sliding seat (2), first time pressure side (43)
And grounding wafer (71) moves up, first time pressure side (43) is pressed on the first contact (41), and grounding wafer (71) is pressed on ground connection
On contact (72)；
Under leakage condition, positioning device discharges drive rod (3), and the first drive component (31) drives drive rod (3) to move up, under first
Pressure side (43) pushes sliding seat (2), and first time pressure side (43), sliding seat (2) and grounding wafer (71) move down, first time pressure side
(43) it is detached with the first contact (41), grounding wafer (71) is detached with earthing contact (72).
2. three pole according to claim 1 powers off leakage protecting plug, which is characterized in that prolong sliding seat (2) front
Stretching has fixed link (22), and grounding wafer (71) is arranged in fixed link (22).
3. three pole according to claim 1 powers off leakage protecting plug, which is characterized in that the body frame (1) is equipped with cross
Second set pushes contact comprising the second fixing end (91) being fixed on body frame and connect with the second fixing end (91) the
Two times pressure sides (92), body frame (1) are equipped with limit tablet (93), and second time pressure side (92) is resisted against on limit tablet (93) and protects
Water holding level state, spaced between second time pressure side (92) and body frame (1) bottom surface, earthing contact (72) setting is pushed second
Hold the bottom of (92) side.
4. three pole according to claim 1 powers off leakage protecting plug, which is characterized in that the positioning device include can before
The mobile slide plate being arranged in sliding seat (2), the electromagnet stent for being arranged on body frame (1) and being located at sliding seat (2) rear afterwards
(52) and it can be moved forward and backward the magnetic core being arranged on electromagnet stent (52), slide plate rear end and magnetic core spiral-lock, sliding is stretched out in front end
Seat (2) front is equipped with the second back-moving spring (54) for driving slide plate Forward, driving between slide plate front end and sliding seat (2) front
Bar (3) end is equipped with back-off portion；
Under normal condition, drive rod (3) sequentially passes through body frame (1), sliding seat (2) and slide plate, and drive rod (3) back-off portion spiral-lock exists
Slide plate bottom, second back-moving spring (54) drive slide plate Forward, slide plate to lock drive rod (3), and the first drive component (31) drives
Drive rod (3) moves up, and slide plate sliding seat (2), first time pressure side (43) and grounding wafer (71) is driven to move up；
Under leakage condition, electromagnet stent (52) must be electric, moves and is pull-in on electromagnet stent (52) after magnetic core, after driving slide plate
It moves, drive rod (3) back-off portion is detached from slide plate bottom, and first time pressure side (43) pushes sliding seat (2), and first time pressure side (43) slides
Dynamic seat (2), slide plate and grounding wafer (71) move down.
5. three pole according to claim 4 powers off leakage protecting plug, which is characterized in that the back-off portion includes being opened in
Mounting groove (32) on drive rod (3) and cut inclined-plane (33), normal condition by what mounting groove (32) outer side bottom surface extended downwardly
Under, mounting groove (32) spiral-lock is on slide plate.
6. three pole according to claim 4 powers off leakage protecting plug, which is characterized in that the slide plate is L-shaped, including phase
The horizontal segment (56) that connects and vertical section (55) upward, horizontal segment (56) can slide back and forth setting in sliding seat (2), water
Sliding seat (2) front is stretched out in flat section (56) front end, and the empty slot (57) passed through for drive rod (3) is offered in horizontal segment (56),
Second back-moving spring (54) one end is resisted against sliding seat (2) front, and the other end acts against on empty slot (57) inner wall, in empty slot (57)
Wall corresponds to second back-moving spring (54) and is equipped with protrusion (58), and second back-moving spring (54) is sleeved on protrusion (58), vertically
Section (55) is oppositely arranged with magnetic core, and mounting groove (59) is offered in vertical section (55), and magnetic core includes being arranged in electromagnet stent
(52) shaft (51) and setting on are in the limit round table (53) of shaft (51) end, and shaft (51) is across mounting groove (59), limit
Circle of position platform (53) is resisted against the inside of vertical section (55).
7. three pole according to claim 1 powers off leakage protecting plug, which is characterized in that body frame (1) upper surface is solid
There are circuit board (61), the head of drive rod (3) to expose to above circuit board (61), the first drive component (31) is the first reset surely
Spring, (the first back-moving spring one end act against circuit board (61) surface, and the other end acts against in drive rod (3) head, and first touches
Point (41) and earthing contact (72) are electrically connected with circuit board (61).
8. powering off leakage protecting plug according to three pole of claim 1-7 any one of them, which is characterized in that described first pushes
The quantity of contact and the first contact (41) is two, is laid in the left and right sides of sliding seat (2) respectively.
9. three pole according to claim 8 powers off leakage protecting plug, which is characterized in that sliding seat (2) left and right two
Side is outward extended with cross bar (21) respectively, is contacted with first time pressure side (43) bottom at the top of cross bar (21), body frame (1) is equipped with
Installation cavity (11), sliding seat (2) and positioning device are arranged in installation cavity (11), corresponding cross bar at left and right sides of installation cavity (11)
(21) it is equipped with vertical sliding slot (12), the back-off groove (13) communicated therewith is offered below sliding slot (12), is at the top of cross bar (21)
Arcwall face, cross bar (21) are embedded in along back-off groove (13) into sliding slot (12) from its top, and cross bar (21) is equipped with limiting plate (14),
Limiting plate (14) is resisted against on the outside of sliding slot (12).
10. three pole according to claim 8 powers off leakage protecting plug, which is characterized in that solid below the sliding seat (2)
Equipped with pin base (81), live prong (82), zero line pin (83) and earth pin (84), firewire are laid on pin base (81)
Pin (82) pushes contact with left side first and is electrically connected, and zero line pin (83) pushes contact with right side first and is electrically connected, and ground wire is inserted
Foot (84) is electrically connected with grounding wafer (71), and the second contact (89) is equipped on first time pressure side (43) and grounding wafer (71),
Drive rod (3) head is in hat shape (34), is fixed on circuit board (61) by hat stand (85), by being provided with by cap on hat stand (85)
(86), drive rod (3) head passes through by hat stand (85) and stretches by cap (86), and it includes shell that three poles, which power off leakage protecting plug,
(87), circuit board (61), body frame (1), sliding seat (2), positioning device and pin base (81) are respectively positioned on shell (87) inside, by cap
(86), live prong (82), zero line pin (83) and earth pin (84) expose to shell (87), and shell (87) is equipped with output
Line set (88).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721796228.1U CN207691134U (en) | 2017-12-18 | 2017-12-18 | A kind of three poles power-off leakage protecting plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721796228.1U CN207691134U (en) | 2017-12-18 | 2017-12-18 | A kind of three poles power-off leakage protecting plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691134U true CN207691134U (en) | 2018-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721796228.1U Withdrawn - After Issue CN207691134U (en) | 2017-12-18 | 2017-12-18 | A kind of three poles power-off leakage protecting plug |
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| Country | Link |
|---|---|
| CN (1) | CN207691134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946843A (en) * | 2017-12-18 | 2018-04-20 | 佛山市顺德区澳骏电子科技有限公司 | A kind of three poles power-off leakage protecting plug |
| CN113097010A (en) * | 2021-03-31 | 2021-07-09 | 宁波时佳电子科技有限公司 | Timer with automatic power-off function |
-
2017
- 2017-12-18 CN CN201721796228.1U patent/CN207691134U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946843A (en) * | 2017-12-18 | 2018-04-20 | 佛山市顺德区澳骏电子科技有限公司 | A kind of three poles power-off leakage protecting plug |
| CN107946843B (en) * | 2017-12-18 | 2024-03-22 | 佛山市顺德区澳骏电子科技有限公司 | Tripolar outage earth leakage protection plug |
| CN113097010A (en) * | 2021-03-31 | 2021-07-09 | 宁波时佳电子科技有限公司 | Timer with automatic power-off function |
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| AV01 | Patent right actively abandoned |
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