CN107644790A - A kind of earth leakage protective device - Google Patents
A kind of earth leakage protective device Download PDFInfo
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- CN107644790A CN107644790A CN201710999749.5A CN201710999749A CN107644790A CN 107644790 A CN107644790 A CN 107644790A CN 201710999749 A CN201710999749 A CN 201710999749A CN 107644790 A CN107644790 A CN 107644790A
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- shell fragment
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- earth leakage
- leakage protective
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Abstract
The invention discloses a kind of earth leakage protective device, is related to electric equipment protection field, including：Protector housing, protector, pin, bottom plate and shell fragment, protector are arranged on bottom plate top, and protector controls the opening and closing of earth leakage protective device, and pin is arranged on bottom plate bottom, and the pin neck by being arranged on bottom plate is fixed；Protector includes tripper, communication apparatus and auto-lock hold down, and auto-lock hold down is arranged between tripper and communication apparatus and be used for disconnection and the closure for realizing shell fragment and pin；A kind of earth leakage protective device provided by the invention; by the design of buffer cap, the abundant bradyseism of existing earth leakage protective device is effectively realized, substantially increases the service life of earth leakage protective device; pass through the design of auto-lock hold down simultaneously so that earth leakage protective device use is more simple and reliable.
Description
Technical field
The present invention relates to electric equipment to protect field, especially a kind of earth leakage protective device.
Background technology
Earth leakage protective device equipment occur leak current fault or need to have fatal risk the person get an electric shock protect when,
Main line can be disconnected in time, so as to be widely used；Earth leakage protective device, it is primarily used to that electric leakage event occurs in equipment
During barrier and to there is the personal electrical shock protection of fatal risk, there is overload and short-circuit protection function, can be used to protection circuit or electricity
The overload of motivation and short circuit, it can also start under normal circumstances as the infrequently conversion of circuit and be used.
Such as a kind of earth leakage protective device disclosed in Chinese invention patent CN 106602508A, it is connected to power input
Between load outputs, the earth leakage protective device includes：Insulation shell, it includes lid and bottom seat and with connection electric wire
Dismountable input and output end；Switch module, it is arranged in the insulation shell and including connecting the of phase line path
3rd switch of one switch, the second switch of connection zero line path and connection ground paths；Control assembly, it is arranged at described
In insulation shell and including reset assembly, test assembly and cartridge assemblies, the cartridge assemblies include circuit board and are arranged on electricity
Magnetic ring component and trip assembley therefor on the plate of road；The earth leakage protective device security performance of the patent of invention is not high, it is impossible to which adapting to difference makes
Use environment.
A kind of and for example leakage with automatic power and power down function disclosed in the A of Chinese invention patent CN 106057593
Non-electricity protector, including housing and the pin, shell fragment and self-locking device that are respectively positioned on enclosure interior；Pin is respectively arranged with shell fragment
The pin contact that can be mutually closed and shrapnel contact；Self-locking device includes the be hinged crosspiece block of pin base, with dropout relay
The dropout seat of device, the reset seat with carrying tripping relay and the self-lock rod being hinged with dropout seat.When power is restored, thread off
The reset push rod control crosspiece block of relay makes lower pressure side push shell fragment and by shrapnel contact relative to pin base rotate counterclockwise
It is powered with pin contact with realizing；When power cut-off, the dropout push rod control self-lock rod of tripping relay is relative to de-
Button Block makes locking breach depart from locking end to release activity limitation during to lock to lower pressure side along pointer rotation, and shrapnel contact is just
Power-off can be realized with pin contact separation；The earth leakage protective device of the patent of invention is deposited shakes larger ask in the course of the work
Topic, it is impossible to effectively the vibrations in the course of work are eliminated, influence the earth leakage protective device life-span.
The content of the invention
First, technical problems to be solved
The purpose of the present invention is the drawbacks described above present in prior art, and spy provides a kind of earth leakage protective device, solves
The problem of bradyseism effect is bad present in existing earth leakage protective device, while solve that its service life is shorter, use complicated
Problem.
2nd, technical scheme
In order to solve the above technical problems, the present invention provides a kind of earth leakage protective device, including：Protector housing, protector dress
Put, pin, bottom plate and shell fragment, protector are arranged on bottom plate top, the opening and closing of protector control earth leakage protective device, inserted
Pin is arranged on bottom plate bottom, and the pin neck by being arranged on bottom plate is fixed；Protector includes tripper, connection
Device and auto-lock hold down, auto-lock hold down are arranged between tripper and communication apparatus and for realizing shell fragment with inserting
The disconnection of pin and closure；
Auto-lock hold down includes locking driving lever, fork pockets depression bar, shell fragment briquetting, the first pin rod and the second pin rod, and locking is dialled
Bar is movably hinged by the first pin rod with the second bearing being arranged on tripper, and shell fragment briquetting is by the second pin rod with setting
The first bearing of position is movably hinged between in the soleplate；Lock driving lever and be provided with horizontal fork pockets, buffer cap seat, lock and the 3rd pin
Bar, fork pockets depression bar are provided with oblique fork pockets, and shell fragment briquetting is provided with long depression bar, hasp, perpendicular fork pockets and finger, and fork pockets depression bar passes through the
Three pin rods are movably hinged with locking driving lever, and oblique fork pockets and finger clamping, for the spacing of shell fragment briquetting, buffer cap seat is arranged on lock
The side of buckling, buffer cap seat have been provided with the buffer cap of cushioning effect；
When energized, communication apparatus is by perpendicular fork pockets band spring plate briquetting rotate counterclockwise, positioned at shell fragment briquetting bottom
The long depression bar in portion pushes shell fragment so that and shell fragment closes with pin, while jack-up makes locking driving lever turn clockwise to hasp upwards,
Shake when realizing self-locking up to hasp abuts with lock, while being closed using the cushioning effect elimination auto-lock hold down of buffer cap
It is dynamic, and then realize circuit communication；
When power cut-off, tripper drives locking driving lever to turn clockwise by horizontal fork pockets so that hasp and lock
Separation is threaded off, while shell fragment disconnects because losing downward pressure with pin, while eliminates self-locking using the cushioning effect of buffer cap
Vibrations when pressing device disconnects, and then realize circuit breaker；
The buffer cap of silica gel material is arranged on locking driving lever, and locking driving lever top is the control circuit portion of earth leakage protective device
Point, so if without buffer cap, in the course of the work, vibrations caused by its switching station can be delivered to control electricity to earth leakage protective device
Lu Shang, greatly shorten the working life of earth leakage protective device.
Wherein, the instruction block of red is additionally provided with fork pockets depression bar, instruction block is above locking driving lever, when switching on power
When, fork pockets depression bar is jacked up and rotated clockwise around the 3rd pin rod so that indicating that block moves to the watch window of protector housing
Interior, when power cut-off, fork pockets depression bar rotates counterclockwise around the 3rd pin rod to indicate watch window of the block from protector housing
Remove, in actual use directly by watch window understand earth leakage protective device actual working state, it is simple and convenient simultaneously
It is and reliable accurate.
Wherein, shell fragment includes the first shell fragment, the second shell fragment and the 3rd shell fragment, and the first shell fragment and the second shell fragment are by being arranged on
The shell fragment neck of tripper both sides is fixed, and the 3rd shell fragment clamps solid through tripper bottom and by bottom plate and tripper
It is fixed；And pin is correspondingly provided with three zero line, live wire and ground wire pins with shell fragment, and the contact that is electrically connected, bullet are provided with the top of each pin
Piece end is provided with the shell fragment point corresponding with the contact that is electrically connected, and when long depression bar depresses shell fragment, shell fragment point connects with the contact that is electrically connected
Touch, the stability of circuit connection can be ensured well, avoid circuit connectivity problem occur during use.
Wherein, tripper and communication apparatus bottom are designed with the button pin of wedge shape, and tripper and communication apparatus pass through button
Pin is fixed with bottom plate snapping, installs simple and convenient and solid and reliable, directly can be molded using mould, reduction be produced into
This.
Wherein, communication apparatus also includes connection coil, connection push rod and connects spring, connects coil and is fixed on communication apparatus
Inside, connection spring are horizontally set on connection coil inner chamber with push rod is connected, when power cut-off, connect the elastic force of spring successively
Connection push rod is ejected and shell fragment briquetting is turned clockwise, and then long depression bar is lifted simultaneously release elastic sheet；When energized,
Connect coil electricity so that connection push rod is by the clamping relation with perpendicular fork pockets so as to spring plate briquetting rotate counterclockwise.
Wherein, tripper is also fixed on tripper including trip coil, breaking push rod and cut-out spring, trip coil
Inside, cut-out spring and breaking push rod are vertically arranged in trip coil inner chamber successively, when power cut-off, trip coil work,
So that breaking push rod retraction, and lock driving lever so as to drive by the clamping of breaking push rod and horizontal fork pockets and turn clockwise, when connecing
During energization source, breaking push rod is ejected and makes locking driving lever rotate counterclockwise by the elastic force of cut-out spring, and communication apparatus side is provided with
Limited block so that locking driving lever is in horizontality.
Wherein, cushion collar is provided with the top of breaking push rod, for aiding in buffer cap to play cushioning effect jointly.
3rd, beneficial effect
Compared with prior art, a kind of earth leakage protective device provided by the invention, it is effective to realize by the design of buffer cap
The abundant bradyseism of existing earth leakage protective device, the service life of earth leakage protective device is substantially increased, while pass through self-locking and compress dress
The design put so that earth leakage protective device use is more simple and reliable.
Brief description of the drawings
Fig. 1 is the explosive view of earth leakage protective device of the present invention；
Fig. 2 is the stereogram of earth leakage protective device of the present invention；
Fig. 3 is the power cut-off state cut-away view of earth leakage protective device of the present invention；
Fig. 4 is the state cut-away view that switches on power of earth leakage protective device of the present invention；
Fig. 5 is the locking driving lever and shell fragment briquette structure figure of earth leakage protective device of the present invention；
Fig. 6 is the communication apparatus structure chart of earth leakage protective device of the present invention；
In figure：1 is protector housing；2 be protector；3 be pin；4 be bottom plate；5 be shell fragment；6 be tripper；
7 be communication apparatus；8 be auto-lock hold down；9 be buffer cap；10 be button pin；11 be the contact that is electrically connected；12 be limited block；13 be sight
Examine window；41 be shell fragment neck；42 be pin neck；51 be shell fragment point；52 be the first shell fragment；53 be the second shell fragment；54 be
Three shell fragments；61 be trip coil；62 be breaking push rod；63 be cut-out spring；64 be the second bearing；65 be cushion collar；71 be company
Logical coil；72 be connection push rod；73 be connection spring；81 be locking driving lever；82 be fork pockets depression bar；83 be shell fragment briquetting；84 are
First pin rod；85 be the second pin rod；86 be horizontal fork pockets；87 be buffer cap seat；88 be lock；89 be the 3rd pin rod；90 be instruction
Block；91 be oblique fork pockets；92 be long depression bar；93 be hasp；94 be perpendicular fork pockets；95 be finger.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but can not be used for limiting the scope of the present invention.
A kind of earth leakage protective device of the embodiment of the present invention, as shown in figure 1, including protector housing 1, protector 2, inserting
Pin 3, bottom plate 4 and shell fragment 5, protector 2 are arranged on the top of bottom plate 4, and protector 2 controls the opening and closing of earth leakage protective device,
Pin 3 is arranged on the bottom of bottom plate 4, and the pin neck 42 by being arranged on bottom plate 4 is fixed；Protector 2 includes open circuit
Device 6, communication apparatus 7 and auto-lock hold down 8, auto-lock hold down 8 are arranged between tripper 6 and communication apparatus 7 simultaneously
For realizing disconnection and the closure of shell fragment 5 and pin 3；
Auto-lock hold down 8 includes locking driving lever 81, fork pockets depression bar 82, shell fragment briquetting 83, the first pin rod 84 and the second pin
Bar 85, locking driving lever 81 are movably hinged by the first pin rod 84 with the second bearing 64 being arranged on tripper 6, shell fragment briquetting
83 are movably hinged by the second pin rod 85 with being arranged on first bearing 43 in the centre position of bottom plate 4；Lock driving lever 81 and be provided with horizontal stroke
Fork pockets 86, buffer cap seat 87, the pin rod 89 of lock 88 and the 3rd, fork pockets depression bar 82 are provided with oblique fork pockets 91, set on shell fragment briquetting 83
There are long depression bar 92, hasp 93, perpendicular fork pockets 94 and finger 95, fork pockets depression bar 82 passes through the 3rd pin rod 89 and the locking moveable hinge of driving lever 81
Connect, oblique fork pockets 91 and the clamping of finger 95, for the spacing of shell fragment briquetting 83, buffer cap seat 87 is arranged on the top of lock 88, buffering
Cap seat 87 has been provided with the buffer cap 9 of cushioning effect；
As shown in figure 4, when energized, communication apparatus 7 by perpendicular fork pockets 94 with the rotate counterclockwise of spring plate briquetting 83,
Long depression bar 92 positioned at the bottom of shell fragment briquetting 83 pushes shell fragment 5 so that shell fragment 5 closes with pin 3, while hasp 93 pushes up upwards
Rising makes locking driving lever 81 turn clockwise, until hasp 93 abuts with lock 88 realizes self-locking, while utilizes the buffering of buffer cap 9
Effect eliminates vibrations when auto-lock hold down 8 closes, and then realizes circuit communication；
As shown in figure 3, when power cut-off, tripper 6 drives locking driving lever 81 to turn clockwise by horizontal fork pockets 86,
So that hasp 93 separates dropout with lock 88, while shell fragment 5 disconnects because losing downward pressure with pin 3, while utilizes buffering
The cushioning effect of cap 9 eliminates vibrations when auto-lock hold down 8 disconnects, and then realizes circuit breaker；
As shown in figure 5, the buffer cap 9 of silica gel material is arranged on locking driving lever 81, locking driving lever 81 top is protected for electric leakage
Protect the control circuit part of device, so if without buffer cap 9, earth leakage protective device in the course of the work, caused by its switching station
Vibrations can be delivered in control circuit, greatly shorten the working life of earth leakage protective device, while influence the work of earth leakage protective device
Stability.
As shown in Fig. 2 being additionally provided with the instruction block 90 of red on fork pockets depression bar 82, instruction block 90 is on locking driving lever 81
Side, when energized, fork pockets depression bar 82 is jacked up and rotated clockwise around the 3rd pin rod 89 so that indicating that block 90 moves to guarantor
Protect in the watch window 13 of device housing 1, when power cut-off, fork pockets depression bar 82 is rotated counterclockwise so that indicating around the 3rd pin rod 89
Block 90 removes from the watch window 13 of protector housing 1.
As shown in figure 1, include the first shell fragment 52, the second shell fragment 53 and the 3rd shell fragment 54, the first shell fragment 52 and in shell fragment 5
Two shell fragments 53 are fixed by being arranged on the shell fragment neck 41 of the both sides of tripper 6, and the 3rd shell fragment 53 passes through the bottom of tripper 6 simultaneously
It is fixedly clamped by bottom plate 4 and tripper 6；And pin 3 is correspondingly provided with three zero line, live wire and ground wire pins with shell fragment 5, often
The contact 11 that is electrically connected is provided with the top of individual pin, the end of shell fragment 5 is provided with the shell fragment point 51 corresponding with the contact 11 that is electrically connected, when long depression bar 92
When shell fragment 5 is depressed, shell fragment point 51 is in contact with the contact 11 that is electrically connected, and can ensure the stability of circuit connection well, avoid making
Occurs circuit connectivity problem during.
As shown in figure 1, tripper 6 and the bottom of communication apparatus 7 be designed with wedge shape button pin 10, tripper 6 with connect
Device 7 is fixed by detaining pin 10 with the snapping of bottom plate 4, installs simple and convenient and solid and reliable, directly can be opened using mould
Mould, reduce production cost.
As shown in fig. 6, communication apparatus 7 also includes connection coil 71, connection push rod 72 and connects spring 73, coil 71 is connected
It is fixed on inside communication apparatus 7, connection spring 73 is horizontally set on connection coil 71 inner chamber successively with push rod 72 is connected, and works as power supply
During power-off, connection push rod 72 is ejected and shell fragment briquetting 83 is turned clockwise by the elastic force for connecting spring 73, and then makes long depression bar
92 lift simultaneously release elastic sheet 5；When energized, connection coil 71 be powered so that connection push rod 72 by with perpendicular fork pockets 94
Clamping relation is so as to the rotate counterclockwise of spring plate briquetting 83；
Tripper 6 also includes trip coil 61, breaking push rod 62 and cut-out spring 63, and trip coil 61 is fixed on open circuit
Inside device 6, cut-out spring 63 and breaking push rod 62 are vertically arranged in the inner chamber of trip coil 61 successively, when power cut-off, break
Map 61 works so that breaking push rod 62 bounces back, and is locked by the clamping of breaking push rod 62 and horizontal fork pockets 86 so as to drive
Driving lever 81 is turned clockwise, and when energized, breaking push rod 62 is ejected and makes locking driving lever 81 by the elastic force of cut-out spring 63
Rotate counterclockwise, the side of communication apparatus 7 are provided with limited block 12 so that locking driving lever 81 is in horizontality.
The breaking top of push rod 62 is provided with cushion collar 65, for aiding in buffer cap to play cushioning effect jointly.
The earth leakage protective device of patent of the present invention, during real work use, required for the earth leakage protective device is accessed
In the circuit of protection, when first switching on power supply, the connection coil 71 in communication apparatus 7 is powered, and connection push rod 72 bounces back, by
In connection push rod 72 and the clamping of perpendicular fork pockets 94 on shell fragment briquetting 83, so that band spring plate briquetting when connection push rod 72 bounces back
83 rotate counterclockwises, the long depression bar 92 positioned at the bottom of shell fragment briquetting 83 push shell fragment 5 so that be electrically connected contact 11 and shell fragment point 51
Contact, path is formed, while cause hasp 93 is formed with lock 88 to abut, realize the self-locking of earth leakage protective device；In circuit communication
When, the red instruction block 90 on fork pockets depression bar 82 is moved to immediately below watch window 13, plays the action effect of instruction；When this
When need circuit to be protected runs into electric leakage, tripper 6 is started working so that breaking push rod 62 bounces back, due to open circuit
The clamping of push rod 62 and the horizontal fork pockets 86 on locking driving lever 81, so that driving locking driving lever 81 suitable when breaking push rod 62 bounces back
Hour hands are rotated so that hasp 93 is threaded off with lock 88, and the elastic force of connection spring 73 will connect push rod 72 and eject and make shell fragment briquetting
83 turn clockwise, and then long depression bar 92 is lifted simultaneously release elastic sheet 5, realize the disconnection of earth leakage protective device, play the mesh of protection
's；In the earth leakage protective device course of work, vibrations are eliminated by the cushioning effect of buffer cap 9, buffer cap 9 is directly socketed in buffering
On cap seat 87, change more convenient.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of earth leakage protective device, it is characterised in that the earth leakage protective device includes：Protector housing (1), protector
(2), pin (3), bottom plate (4) and shell fragment (5), the protector (2) are arranged on bottom plate (4) top, the protector dress
The opening and closing that (2) control the earth leakage protective device is put, the pin (3) is arranged on bottom plate (4) bottom, and by being arranged on the bottom
Pin neck (42) on plate (4) is fixed；
The protector (2) includes tripper (6), communication apparatus (7) and auto-lock hold down (8), the self-locking pressure
Tight device (8) be arranged between tripper (6) and communication apparatus (7) and be used for the disconnection of realizing shell fragment (5) and pin (3) and
Closure；
The auto-lock hold down (8) includes locking driving lever (81), shell fragment briquetting (83), the first pin rod (84) and the second pin rod
(85), the locking driving lever (81) passes through the first pin rod (84) and the second bearing (64) being arranged on tripper (6) activity
Be hinged, the shell fragment briquetting (83) is lived by the second pin rod (85) with being arranged on first bearing (43) in bottom plate (4) centre position
It is dynamic be hinged；The locking driving lever (81) is provided with horizontal fork pockets (86), buffer cap seat (87) and lock (88), the shell fragment briquetting
(83) long depression bar (92), hasp (93) and perpendicular fork pockets (94) are provided with, the buffer cap seat (87) is arranged on above lock (88),
The buffer cap seat (87) has been provided with the buffer cap (9) of cushioning effect；
When energized, the communication apparatus (7) is located at by perpendicular fork pockets (94) band spring plate briquetting (83) rotate counterclockwise
The long depression bar (92) of shell fragment briquetting (83) bottom pushes shell fragment (5) so that shell fragment (5) closes with pin (3), takes simultaneously
Button (93) jacks up upwards makes locking driving lever (81) turn clockwise, until hasp (93) abuts with lock (88) realizes self-locking, together
The cushioning effect of Shi Liyong buffer caps (9) eliminates vibrations during auto-lock hold down (8) closure, and then realizes circuit communication；
When power cut-off, the tripper (6) drives locking driving lever (81) to turn clockwise by horizontal fork pockets (86) so that
Hasp (93) separates dropout with lock (88), while shell fragment (5) disconnects because losing downward pressure with pin (3), utilizes simultaneously
The cushioning effect of buffer cap (9) eliminates vibrations when auto-lock hold down (8) disconnects, and then realizes circuit breaker.
2. earth leakage protective device as claimed in claim 1, it is characterised in that：The locking driving lever (81) is provided with the 3rd pin rod
(89), the shell fragment briquetting (83) is provided with finger (95), and the auto-lock hold down (8) also includes fork pockets depression bar (82), institute
State fork pockets depression bar (82) and be provided with oblique fork pockets (91), the fork pockets depression bar (82) passes through the 3rd pin rod (89) and locking driving lever (81)
It is movably hinged, the tiltedly fork pockets (91) and finger (95) clamping, for the spacing of shell fragment briquetting (83).
3. earth leakage protective device as claimed in claim 1, it is characterised in that：Instruction block is additionally provided with the fork pockets depression bar (82)
(90), the instruction block (90) is above locking driving lever (81), and when energized, the fork pockets depression bar (82) is jacked up simultaneously
Rotated clockwise around the 3rd pin rod (89) so that the instruction block (90) moves to the watch window (13) of protector housing (1)
Interior, when power cut-off, the fork pockets depression bar (82) is rotated counterclockwise around the 3rd pin rod (89) so that indicating block (90) from protection
The watch window (13) of device housing (1) removes.
4. earth leakage protective device as claimed in claim 1, it is characterised in that：The shell fragment (5) includes the first shell fragment (52), second
Shell fragment (53) and the 3rd shell fragment (54), first shell fragment (52) and the second shell fragment (53) are by being arranged on tripper (6) two
The shell fragment neck (41) of side is fixed, and the 3rd shell fragment (53) is through tripper (6) bottom and by the bottom plate (4) and open circuit
Device (6) is fixedly clamped.
5. earth leakage protective device as claimed in claim 1, it is characterised in that：The tripper (6) and communication apparatus (7) bottom
The button pin (10) of wedge shape is designed with, the tripper (6) and communication apparatus (7) are solid by detaining pin (10) and bottom plate (4) snapping
It is fixed.
6. earth leakage protective device as claimed in claim 1, it is characterised in that：The contact (11) that is electrically connected is provided with the top of the pin (3),
Shell fragment (5) end is provided with the shell fragment point (51) corresponding with the contact that is electrically connected (11), when long depression bar (92) depresses shell fragment,
Shell fragment point (51) is in contact with the contact that is electrically connected (11).
7. earth leakage protective device as claimed in claim 1, it is characterised in that：The communication apparatus (7) also includes connection coil
(71), connect push rod (72) and be fixed on communication apparatus (7) inside, the company with spring (73), the connection coil (71) is connected
Logical spring (73) is horizontally set on connection coil (71) inner chamber successively with push rod (72) is connected, and when power cut-off, connects spring
(73) elastic force will connect push rod (72) and eject and shell fragment briquetting (83) is turned clockwise, and then long depression bar (92) is lifted simultaneously
Release elastic sheet (5)；When energized, connect coil (71) be powered so that connection push rod (72) by with perpendicular fork pockets (94)
Clamping relation is so as to spring plate briquetting (83) rotate counterclockwise.
8. earth leakage protective device as claimed in claim 1, it is characterised in that：The tripper (6) also includes trip coil
(61), breaking push rod (62) and cut-out spring (63), the trip coil (61) is fixed on tripper (6) inside, described disconnected
Road spring (63) and breaking push rod (62) are vertically arranged in trip coil (61) inner chamber, when power cut-off, trip coil successively
(61) work so that breaking push rod (62) retraction, and locked by the clamping of breaking push rod (62) and horizontal fork pockets (86) so as to drive
Tight driving lever (81) is turned clockwise, and when energized, breaking push rod (62) is ejected and makes lock by the elastic force of cut-out spring (63)
Tight driving lever (81) rotate counterclockwise, communication apparatus (7) side are provided with limited block (12) so that locking driving lever (81) is in water
Level state.
9. earth leakage protective device as claimed in claim 1, it is characterised in that：Cushion collar is provided with the top of the breaking push rod (62)
(65)。
10. earth leakage protective device as claimed in claim 3, it is characterised in that：The instruction block (90) is red.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999749.5A CN107644790B (en) | 2017-10-24 | 2017-10-24 | Leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999749.5A CN107644790B (en) | 2017-10-24 | 2017-10-24 | Leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107644790A true CN107644790A (en) | 2018-01-30 |
| CN107644790B CN107644790B (en) | 2020-08-07 |
Family
ID=61124212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999749.5A Active CN107644790B (en) | 2017-10-24 | 2017-10-24 | Leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107644790B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119299A (en) * | 2018-09-19 | 2019-01-01 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
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| CN102347566A (en) * | 2011-06-24 | 2012-02-08 | 浙江中讯电子有限公司 | Leakage protection plug |
| CN204067738U (en) * | 2014-04-24 | 2014-12-31 | 常熟市微尘电器有限公司 | A kind of leakage protecting plug with ground wire abnormity protection function |
| CN106057593A (en) * | 2015-11-04 | 2016-10-26 | 余姚市嘉荣电子电器有限公司 | Electric leakage protector with automatic power supply and power off functions |
| CN207765377U (en) * | 2017-10-24 | 2018-08-24 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119299A (en) * | 2018-09-19 | 2019-01-01 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN109119299B (en) * | 2018-09-19 | 2023-10-20 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
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