CN104269703A - Electric leakage protection socket - Google Patents
Electric leakage protection socket Download PDFInfo
- Publication number
- CN104269703A CN104269703A CN201410499136.1A CN201410499136A CN104269703A CN 104269703 A CN104269703 A CN 104269703A CN 201410499136 A CN201410499136 A CN 201410499136A CN 104269703 A CN104269703 A CN 104269703A
- Authority
- CN
- China
- Prior art keywords
- conducting
- quiet
- locking element
- contact chip
- resilient locking
- 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.)
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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
- 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
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
- H01R13/7132—Structural association with built-in electrical component with built-in switch the switch being a safety switch having ejecting mechanisms
Abstract
The invention provides an electric leakage protection socket. The electric leakage protection socket comprises a shell, an output conductor, a power input end, a power output end, a reset button and an electromagnetic trip mechanism used for turning off a main circuit switch when leakage current is generated, wherein the main circuit switch comprises an input static contact chip, an output static contact chip and a lifting plate carrying a dynamic contact chip; the electromagnetic trip mechanism comprises a trip coil, an iron core, a lock catch and a tripper, the lifting plate and the tripper are integrally formed or the lifting plate is located above the tripper, and the lifting plate and the tripper ascend when the reset button and the lock catch are matched in a hooked mode to ascend so that the two ends of the dynamic contact chip can be in contact breakover with the input static contact chip and the output static contact chip. The electric leakage protection socket has the advantages that the contact parts of the power input end and the power output end are each of a static structure, the dynamic contact chip is fixedly arranged on the lifting plate, a dynamic metal sheet in elastic bending contact does not need to be arranged, the machining and assembling process is easy and convenient to perform, the die cost is low, and the electric conduction contact reliability is high.
Description
Technical field
The present invention relates to supply socket field, specifically refer to a kind of earth leakage protective socket.
Background technology
Existing earth leakage protective socket such as (patent No. is the patent of invention of 201010248157.8) generally comprises and comprises housing, output conductor, power input, power output end, for closed major loop switch and coordinate latching device make major loop switch closed condition keep so that make power input and power output end and output conductor keep the reset button of conducting and the electromagnetic release mechanism etc. for disconnecting major loop switch when producing leakage current, its input and the output sheet metal of drawing at least one pair of be elastic sheet metal, elastic metallic leaf length is longer and location, one end other end is unsettled, the free end relative positioning end of elastic sheet metal bends at an angle, being driven by the pressing of other parts or lifting action makes elastic sheet metal contact conducting with quiet sheet metal.Mains supply comprises zero line and live wire, elastic sheet metal is inevitable to be occurred in pairs, two elastic sheet metals are difficult to reach consistent adding man-hour its bending degree, and owing to easily causing strain distortion after free end repeatedly elastic lifting Long-Time Service, add elastic sheet metal about man-hour to be difficult to be consistent and elastic lifting all can cause the reliability contacting conducting to be difficult to ensure repeatedly, there is certain potential safety hazard; And elastic sheet metal processing and assembly technology more complicated, materials are many, and rate of finished products is relatively low.
Summary of the invention
The present invention is directed to above problem, a kind of earth leakage protective socket is provided.
Goal of the invention of the present invention is realized by following scheme:
Earth leakage protective socket, comprise housing, output conductor, power input, power output end, for closed major loop switch and coordinate latching device make major loop switch closed condition keep so that make power input and power output end and output conductor keep the reset button of conducting and the electromagnetic release mechanism for disconnecting major loop switch when producing leakage current, it is characterized in that: major loop switch comprises the quiet contact chip of the input of being drawn by power input, the quiet contact chip of the output of being drawn by power output end and carry the lifter plate of moving contacting plate, moving contacting plate two ends have for respectively with input quiet contact chip and export the contact jaw that quiet contact chip contacts conducting, electromagnetic release mechanism comprises tripping coil, iron core, snap close and release, lifter plate integrally formed with release or to be positioned at above release and reset button and snap close hook coordinate rise time lifter plate to rise together with release and make moving contacting plate two ends respectively with the quiet contact chip of input and export quiet contact chip and contact conducting.
Further, iron core is equipped with the driven lifters of a band flexible restoring organ, driven lifters has the window passed for iron core, there is in driven lifters window the guiding slope doing elevating movement under iron core horizontal movement drives, driven lifters carries a pair and keeps the conducting metal pieces of conducting with output conductor all the time, input quiet contact chip and export quiet both contact chips directly or by transmit sheet metal coordinate with the two ends up and down of conducting metal pieces formed a group of interlocking conduct normal open switch and one group conduct normally closed switch, conducting metal pieces makes to input one of quiet contact chip and quiet both the contact chips of output and output conductor conducting by following driven lifters interlocking switching conduction normal open switch and conducting normally closed switch.
Further, driven lifters window lower edge has guiding slope, the a pair first quiet sheet metals of transmission of being drawn by the quiet contact chip of input are provided with below conducting metal pieces, conducting metal pieces upper end is corresponding with the quiet contact chip position of output, conducting metal pieces drives by iron core the conduction normally closed switch disconnected when being formed in reverse wiring with the quiet contact chip of output, conducting metal pieces and first transmits quiet sheet metal and is formed and conduct normal open switch, when major loop switch disconnects, power output end and output conductor are connected as a single entity, conduct normally closed switch during reverse wiring to disconnect and conduction normal open switch is closed that power input and output conductor are connected as a single entity.
Further, output conductor have by twice cutting line enclose part outwards punching press swell the grafting frame formed, in grafting frame, grafting is fixed with transition metal sheet, moving contacting plate has the connecting portion tilting to extend, moving contacting plate connecting portion and transition metal sheet are equipped with the claw for clamping flexible wire, and moving contacting plate connecting portion is connected by flexible wire conducting with transition metal sheet.
Further, driven lifters has band window frame and a pair adjutage, adjutage fixedly wears conducting metal pieces, conducting metal pieces is set with simultaneously as the back-moving spring of driven lifters flexible restoring organ, transition metal sheet one or split are provided with the quiet sheet metal of the second transmission, second transmits quiet sheet metal has the through hole passed for conducting metal pieces, first transmits quiet sheet metal is positioned at below the quiet sheet metal of the second transmission, the limited step of back-moving spring upper end and conducting metal pieces is supported, back-moving spring lower end and second is transmitted quiet sheet metal and is contacted, back-moving spring and conducting metal pieces and second transmit quiet sheet metal and keep in touch conducting.
Further, the pressure tripping mechanism of major loop switch is manually disconnected when being also included in end-of-life, tripping mechanism is forced to comprise testing button, force dropout pedestal, for resilient locking element and the resilient locking element mount pad of locking/unblock snap close, dropout pedestal is forced to have the groove longitudinally inserted for resilient locking element mount pad, resilient locking element mount pad has the mounting groove inserted for resilient locking element, resilient locking element meets the locking projection having to snap close side and offset with snap close tail end to stop reset button lead and snap close hook to be located after snap close moves to left, testing button lead lower end has stop step for coordinating with resilient locking element upper-end contact and for promoting the inclined-plane that snap close moves to left in testing button push action process.
Further, resilient locking element mount pad mounting groove is towards snap close one side opening, spring III is set bottom resilient locking element mount pad, arrange the spring IV that elastic force is less than spring III bottom resilient locking element, spring IV upper end and resilient locking element offset bottom lower end and resilient locking element mount pad mounting groove and offset.
Further, resilient locking element mount pad also has towards snap close side and stretches into release in order to what promote release and carry arm, resilient locking element mount pad two side has a pair spacing hook, forces dropout pedestal two side to have and coordinates spacing through hole with the spacing hook in resilient locking element mount pad two side.
Further, earth leakage protective socket housing bottom arranges circuit board, circuit board arranges insulating base, insulating base installs framework of trip coil, force the pressure dropout pedestal of tripping mechanism, resilient locking element and resilient locking element mount pad between framework of trip coil and insulating base, framework of trip coil has the through hole stretched into for testing button lead; Have limited post below lifter plate, framework of trip coil has the stopper slot stretched into for lifter plate limited post; In framework of trip coil, level installs iron core, and iron core tail end has driver plate, and driver plate stretches in the window of driven lifters; Insulating base is also provided with the inserting groove for transition metal sheet lower end grafting location.
Further, lifter plate has the center through hole of passing for reset button extending column, lifter plate being provided with two groups for installing the claw combination of moving contacting plate, being provided with spring II below moving contacting plate.
Further, have recessed tubular positioning area in lifter plate center through hole, tubular positioning area arranges spring VI, and spring VI is sleeved on reset button lead; The claw combination of lifter plate comprises two groups of hooks and upwards extends the card fastened in opposite directions and refer to, card refers to the gap had between lifter plate body surfaces for placing moving contacting plate, and lifter plate has the recessed district, location for mounting spring II.
Beneficial effect of the present invention is: the contact portion of power input and power output end is static structure, moving contacting plate is fixedly installed on lifter plate, do not need the dynamic sheet metal that elasticity bending contact is set, processing and assembly technology is simple and convenient, die cost is low, conductive contact reliability is high, temperature rise is low; Power input, power output end and output conductor three remain at least the two conducting, and its conducting structure having stable behavior is smooth and easy and reliable rapidly; Pressure releasing structure simplifies, and eliminates the drive disk assembly between testing button and snap close and by testing button lead Direct driver snap close, improves Reliability of Microprocessor, eliminating safe hidden trouble.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention;
Fig. 2 is the vertical view that the present invention removes upper cover;
Fig. 3 is decomposition texture schematic diagram of the present invention;
Fig. 4 is moving contacting plate of the present invention with the quiet contact chip of input, exports the structural representation that quiet contact chip coordinates;
Fig. 5 is explosive view of the present invention;
Fig. 6 is the present invention's A-A cutaway view under factory state;
Fig. 7 is the present invention's B-B cutaway view under factory state;
Fig. 8 is the A-A cutaway view of the present invention under false wiring state;
Fig. 9 is the B-B cutaway view of the present invention under false wiring state;
Figure 10 is the A-A cutaway view of the present invention under proper reset state;
Figure 11 is the B-B cutaway view of the present invention under proper reset state;
Figure 12 is the A-A cutaway view of the present invention under end-of-life forces trip status;
Figure 13 is the B-B cutaway view of the present invention under end-of-life forces trip status;
Figure 14 is that the present invention forces the structural representation of tripping mechanism when the locking projection of elasticity locking and snap close offset;
Figure 15 is that the present invention forces the structural representation of tripping mechanism when the locking projection of elasticity locking is positioned at below snap close.
Embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described:
Shown in accompanying drawing 1 to Fig. 5, earth leakage protective socket of the present invention, comprise housing 1, output conductor (4, 5), power input (7, 8), power output end (11, 12), for closed major loop switch and coordinate latching device make major loop switch closed condition keep so that make power input and power output end and output conductor keep the reset button 006 of conducting and the electromagnetic release mechanism for disconnecting major loop switch when producing leakage current, major loop switch comprises by power input (7, 8) the quiet contact chip (9 of the input of drawing, 10), by power output end (11, 12) the quiet contact chip (11A of the output of drawing, 12A) and carry moving contacting plate (008, 009) lifter plate 120, moving contacting plate (008, 009) two ends have for respectively with input quiet contact chip and export the contact jaw that quiet contact chip contacts conducting, electromagnetic release mechanism comprises tripping coil, iron core 26, snap close 17 and release 16, lifter plate 120 with release 16 integrally formed or to be arranged in above release (the two split of the present embodiment is arranged, and lifter plate also can be formed by release) and reset button 006 and snap close 17 hook coordinate rise time lifter plate 120 to rise together with release 16 and make moving contacting plate two ends contact conducting with inputting quiet contact chip and export quiet contact chip respectively.With the earth leakage protective socket similar of the applicant's earlier application; earth leakage protective socket of the present invention also comprises middle layer bracket, tripping coil channel selector, reset button switch, testing button switch etc.; the action matching relationship of reset button and electromagnetic release mechanism can adopt the various forms similar with earlier application, does not repeat at this.
For ensureing power input, all the time (during proper reset, major loop switch closes three's all conductings at least wherein the two mutual conduction in power output end and output conductor three, all the other states keep two conductings of three and form two groups of electric conductors mutually disconnected with another one not conducting in three), iron core 26 is equipped with the driven lifters 13 of a band flexible restoring organ, driven lifters 13 has the window passed for iron core, there is in driven lifters window the guiding slope doing elevating movement under iron core horizontal movement drives, driven lifters carries a pair keeps conducting all the time conducting metal pieces 13A with output conductor, input quiet contact chip and export quiet both contact chips directly or by transmit sheet metal coordinate with the two ends up and down of conducting metal pieces formed a group of interlocking conduct normal open switch and one group conduct normally closed switch, conducting metal pieces makes to input one of quiet contact chip and quiet both the contact chips of output and output conductor conducting by following driven lifters interlocking switching conduction normal open switch and conducting normally closed switch.
Ensure to input quiet contact chip, export quiet contact chip and output conductor three has above-mentioned cooperation conducting relation, can be realized by least following 4 kinds of forms: (1) inputs quiet contact chip and is positioned at below above conducting metal pieces in order to the part of conducting conducting metal pieces and keeps normally closed, export quiet contact chip be positioned at top below conducting metal pieces in order to the part of conducting conducting metal pieces and keep often opening, driven lifters is driven and declines by the iron core action that moves to left to switch on off operating mode; (2) the quiet contact chip of output input is positioned at top below conducting metal pieces in order to the part of conducting conducting metal pieces and keeps often opening, the quiet contact chip of input and output is positioned at below above conducting metal pieces in order to the part of conducting conducting metal pieces and keeps normally closed, and driven lifters is moved to left action drive decline to switch on off operating mode by iron core; (3) input quiet contact chip to be positioned at above conducting metal pieces in order to the part of conducting conducting metal pieces and to keep often opening, export quiet contact chip to be positioned at below conducting metal pieces in order to the part of conducting conducting metal pieces and to keep normally closed, driven lifters is driven and rises by the iron core action that moves to left to switch on off operating mode; (4) export the quiet contact chip of input to be positioned at below conducting metal pieces in order to the part of conducting conducting metal pieces and to keep normally closed, the quiet contact chip of input and output to be positioned at above conducting metal pieces in order to the part of conducting conducting metal pieces and to keep often opening, and driven lifters is driven and rises by the iron core action that moves to left to switch on off operating mode.
With reference to Fig. 6 to Figure 13, the present embodiment adopts the first form, iron core 26 is equipped with the driven lifters 13 of a band flexible restoring organ, driven lifters 13 has the window passed for iron core 26, driven lifters window lower edge (accordingly, 3rd, slope of leading in 4th kind of mode is arranged at the upper edge of driven lifters window) there is the guiding slope 13C under iron core horizontal movement drives, lifters being declined, driven lifters 13 carries a pair conducting metal pieces 13A for power on/off source output terminal and output conductor, conducting metal pieces 13A all the time with output conductor (4, 5) conducting, also be provided with by the quiet contact chip (9 of input below conducting metal pieces 13A, 10) quiet sheet metal (0014 is transmitted a pair first that draw, 0015), conducting metal pieces 13A upper end and the quiet contact chip (11 of output, 12) position is corresponding, conducting metal pieces 13A and the quiet contact chip (11 of output, 12) the conduction normally closed switch of disconnection is driven when being formed in reverse wiring by iron core 26, conducting metal pieces 13A and first transmits quiet sheet metal (0014, 0015) conduction normal open switch is formed, power output end (11 when major loop switch disconnects, 12) and output conductor (4, 5) be connected as a single entity, conduct normally closed switch during reverse wiring to disconnect and conduction normal open switch is closed makes power input (9, 10) with output conductor (4, 5) be connected as a single entity.
Because output conductor is thicker, directly extend with the leg of moving contacting plate conducting more difficult, therefore in the present embodiment, output conductor (4,5) have by twice cutting line enclose part outwards punching press swell the grafting frame (4A, 5A) formed, grafting frame (4A, 5A) interior grafting is fixed with transition metal sheet (21,22), moving contacting plate (008,009) has the connecting portion 25 tilting to extend, moving contacting plate connecting portion 25 and transition metal sheet are equipped with the claw for clamping flexible wire, and moving contacting plate connecting portion is connected by flexible wire conducting with transition metal sheet.
For making driven lifters stable and driving conduction normally closed switch and the accurate break-make of conduction normal open switch, driven lifters 13 has band window frame and a pair adjutage, adjutage fixedly wears conducting metal pieces 13A, conducting metal pieces 13A is set with simultaneously as the back-moving spring (K021 of driven lifters flexible restoring organ, K022), transition metal sheet (21, 22) one or split arrange (the present embodiment is integrated setting) the quiet sheet metal (K21 of the second transmission, K22), second transmits quiet sheet metal (K21, K22) there is the through hole passed for conducting metal pieces, first transmits quiet sheet metal (0014, 0015) the quiet sheet metal (K21 of the second transmission is positioned at, K22) below, back-moving spring (K021, K022) limited step of upper end and conducting metal pieces 13A is supported (keeping conducting with conducting metal pieces), quiet sheet metal (K21 is transmitted in back-moving spring lower end and second, K22) contact, back-moving spring and conducting metal pieces and second transmit quiet sheet metal and keep in touch conducting.
With reference to Fig. 5, Figure 14 and Figure 15, for ease of earth leakage protective socket in end-of-life time hand-operated forced dropout to eliminate safe hidden trouble, this earth leakage protective socket manually disconnects the pressure tripping mechanism of major loop switch when being also included in end-of-life, tripping mechanism is forced to comprise testing button 007, force dropout pedestal 31, for resilient locking element 14 and the resilient locking element mount pad 0031 of locking/unblock snap close 17, dropout pedestal 31 is forced to have the groove longitudinally inserted for resilient locking element mount pad 0031, resilient locking element mount pad 0031 has the mounting groove inserted for resilient locking element 14, resilient locking element 14 meets the locking projection 14A having to snap close side and offset with snap close tail end to stop reset button lead and snap close hook to be located after snap close moves to left, testing button lead lower end has stop step 007B for coordinating with resilient locking element 14 upper-end contact and for promoting the inclined-plane that snap close moves to left in testing button push action process.The drive disk assembly that the pressure tripping mechanism of existing earth leakage protective socket is generally linked by one and testing button lead pulls snap close to force to thread off, and requirement on machining accuracy is higher, and assembly technology is more complicated.
Resilient locking element mount pad 0031 mounting groove is towards snap close one side opening, spring III 0013 is set bottom resilient locking element mount pad 0031, arrange the spring IV 0012 that elastic force is less than spring III bottom resilient locking element 14, spring IV 0012 upper end and resilient locking element 14 offset bottom lower end and resilient locking element mount pad mounting groove and offset.
Resilient locking element mount pad 0031 also has towards snap close 17 side and stretches into release 16 in order to what promote release and carry arm 0031B, resilient locking element mount pad 0031 two side has a pair spacing hook, forces dropout pedestal 31 two side to have and coordinates spacing through hole 31D with the spacing hook in resilient locking element mount pad two side.
Earth leakage protective socket housing bottom arranges circuit board 34, circuit board 34 is arranged insulating base 33, insulating base 33 is installed framework of trip coil 15, force the pressure dropout pedestal 31 of tripping mechanism, resilient locking element 14 and resilient locking element mount pad 31 between framework of trip coil 15 and insulating base 33, framework of trip coil 15 has the through hole stretched into for testing button lead; Have limited post 120D below lifter plate, framework of trip coil 15 has the stopper slot 15B stretched into for lifter plate limited post; In framework of trip coil, level installs iron core 26, and iron core 26 tail end has driver plate 26A, and driver plate 26A stretches in the window of driven lifters 13; Insulating base 33 is also provided with the inserting groove for transition metal sheet (21,22) lower end grafting location.
Moving contacting plate good contact is ensured for ease of process and assemble, lifter plate 120 has the center through hole 120A passed for reset button extending column, lifter plate 120 is provided with two groups for installing the claw combination 120B of moving contacting plate, moving contacting plate (008,009) below is provided with spring II H12.
Have recessed tubular positioning area in lifter plate 120 center through hole 120A, tubular positioning area arranges spring VI 0011, and spring VI 0011 is sleeved on reset button 006 lead; Lifter plate 120 claw combination comprise two groups of hooks upwards extend the card fastened in opposite directions refer to (the present embodiment comprise two outside card refer to one inner side card refer to, inner side card to refer to stretch to outside two card refer between region), card refers to the gap had between lifter plate body surfaces for placing moving contacting plate, and lifter plate 120 has the recessed district 120C in location for mounting spring II H12.
Although the present invention has illustrated by reference to preferred embodiment and has described, those of ordinary skill in the art should understand, and can be not limited to the description of above-described embodiment, in the scope of claims, can make the various changes in form and details.
Claims (11)
1. earth leakage protective socket, comprise housing, output conductor, power input, power output end, for closed major loop switch and coordinate latching device make major loop switch closed condition keep so that make power input and power output end and output conductor keep the reset button of conducting and the electromagnetic release mechanism for disconnecting major loop switch when producing leakage current, it is characterized in that: major loop switch comprises the quiet contact chip of the input of being drawn by power input, the quiet contact chip of the output of being drawn by power output end and carry the lifter plate of moving contacting plate, moving contacting plate two ends have for respectively with input quiet contact chip and export the contact jaw that quiet contact chip contacts conducting, electromagnetic release mechanism comprises tripping coil, iron core, snap close and release, lifter plate integrally formed with release or to be positioned at above release and reset button and snap close hook coordinate rise time lifter plate to rise together with release and make moving contacting plate two ends respectively with the quiet contact chip of input and export quiet contact chip and contact conducting.
2. earth leakage protective socket according to claim 1, it is characterized in that: iron core is equipped with the driven lifters of a band flexible restoring organ, driven lifters has the window passed for iron core, there is in driven lifters window the guiding slope doing elevating movement under iron core horizontal movement drives, driven lifters carries a pair and keeps the conducting metal pieces of conducting with output conductor all the time, input quiet contact chip and export quiet both contact chips directly or by transmit sheet metal coordinate with the two ends up and down of conducting metal pieces formed a group of interlocking conduct normal open switch and one group conduct normally closed switch, conducting metal pieces makes to input one of quiet contact chip and quiet both the contact chips of output and output conductor conducting by following driven lifters interlocking switching conduction normal open switch and conducting normally closed switch.
3. earth leakage protective socket according to claim 2, it is characterized in that: driven lifters window lower edge has guiding slope, the a pair first quiet sheet metals of transmission of being drawn by the quiet contact chip of input are provided with below conducting metal pieces, conducting metal pieces upper end is corresponding with the quiet contact chip position of output, conducting metal pieces drives by iron core the conduction normally closed switch disconnected when being formed in reverse wiring with the quiet contact chip of output, conducting metal pieces and first transmits quiet sheet metal and is formed and conduct normal open switch, when major loop switch disconnects, power output end and output conductor are connected as a single entity, conduct normally closed switch during reverse wiring to disconnect and conduction normal open switch is closed that power input and output conductor are connected as a single entity.
4. earth leakage protective socket according to claim 3; it is characterized in that: output conductor have by twice cutting line enclose part outwards punching press swell the grafting frame formed; in grafting frame, grafting is fixed with transition metal sheet; moving contacting plate has the connecting portion tilting to extend; moving contacting plate connecting portion and transition metal sheet are equipped with the claw for clamping flexible wire, and moving contacting plate connecting portion is connected by flexible wire conducting with transition metal sheet.
5. earth leakage protective socket according to claim 4, it is characterized in that: driven lifters has band window frame and a pair adjutage, adjutage fixedly wears conducting metal pieces, conducting metal pieces is set with simultaneously as the back-moving spring of driven lifters flexible restoring organ, transition metal sheet one or split are provided with the quiet sheet metal of the second transmission, second transmits quiet sheet metal has the through hole passed for conducting metal pieces, first transmits quiet sheet metal is positioned at below the quiet sheet metal of the second transmission, the limited step of back-moving spring upper end and conducting metal pieces is supported, back-moving spring lower end and second is transmitted quiet sheet metal and is contacted, back-moving spring and conducting metal pieces and second transmit quiet sheet metal and keep in touch conducting.
6. earth leakage protective socket according to claim 4, it is characterized in that: the pressure tripping mechanism manually disconnecting major loop switch when being also included in end-of-life, tripping mechanism is forced to comprise testing button, force dropout pedestal, for resilient locking element and the resilient locking element mount pad of locking/unblock snap close, dropout pedestal is forced to have the groove longitudinally inserted for resilient locking element mount pad, resilient locking element mount pad has the mounting groove inserted for resilient locking element, resilient locking element meets the locking projection having to snap close side and offset with snap close tail end to stop reset button lead and snap close hook to be located after snap close moves to left, testing button lead lower end has stop step for coordinating with resilient locking element upper-end contact and for promoting the inclined-plane that snap close moves to left in testing button push action process.
7. earth leakage protective socket according to claim 6; it is characterized in that: resilient locking element mount pad mounting groove is towards snap close one side opening; spring III is set bottom resilient locking element mount pad; arrange the spring IV that elastic force is less than spring III bottom resilient locking element, spring IV upper end and resilient locking element offset bottom lower end and resilient locking element mount pad mounting groove and offset.
8. earth leakage protective socket according to claim 7; it is characterized in that: resilient locking element mount pad also has towards snap close side and stretches into release in order to what promote release and carry arm; resilient locking element mount pad two side has a pair spacing hook, forces dropout pedestal two side to have and coordinates spacing through hole with the spacing hook in resilient locking element mount pad two side.
9. earth leakage protective socket according to claim 8, it is characterized in that: earth leakage protective socket housing bottom arranges circuit board, circuit board arranges insulating base, insulating base installs framework of trip coil, force the pressure dropout pedestal of tripping mechanism, resilient locking element and resilient locking element mount pad between framework of trip coil and insulating base, framework of trip coil has the through hole stretched into for testing button lead; Have limited post below lifter plate, framework of trip coil has the stopper slot stretched into for lifter plate limited post; In framework of trip coil, level installs iron core, and iron core tail end has driver plate, and driver plate stretches in the window of driven lifters; Insulating base is also provided with the inserting groove for transition metal sheet lower end grafting location.
10. the earth leakage protective socket according to any one of claim 1 to 9; it is characterized in that: lifter plate has the center through hole of passing for reset button extending column; lifter plate being provided with two groups for installing the claw combination of moving contacting plate, below moving contacting plate, being provided with spring II.
11. earth leakage protective sockets according to claim 10, is characterized in that: have recessed tubular positioning area in lifter plate center through hole, tubular positioning area arranges spring VI, and spring VI is sleeved on reset button lead; The claw combination of lifter plate comprises two groups of hooks and upwards extends the card fastened in opposite directions and refer to, card refers to the gap had between lifter plate body surfaces for placing moving contacting plate, and lifter plate has the recessed district, location for mounting spring II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499136.1A CN104269703B (en) | 2014-09-25 | 2014-09-25 | Earth leakage protective socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499136.1A CN104269703B (en) | 2014-09-25 | 2014-09-25 | Earth leakage protective socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104269703A true CN104269703A (en) | 2015-01-07 |
| CN104269703B CN104269703B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410499136.1A Active CN104269703B (en) | 2014-09-25 | 2014-09-25 | Earth leakage protective socket |
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| Country | Link |
|---|---|
| CN (1) | CN104269703B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252964A (en) * | 2016-08-31 | 2016-12-21 | 黄金和 | There is the earth leakage protective socket of backing protection function |
| CN110277285A (en) * | 2019-08-01 | 2019-09-24 | 浙江能美电子科技有限公司 | A kind of reset tripping mechanism |
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| CN202067738U (en) * | 2011-05-26 | 2011-12-07 | 陈贵 | Socket type ground fault line circuit breaker with warp structure |
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| US20050012575A1 (en) * | 2003-07-17 | 2005-01-20 | Huadao Huang | Receptacle device having protection against arc faults and leakage currents |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252964A (en) * | 2016-08-31 | 2016-12-21 | 黄金和 | There is the earth leakage protective socket of backing protection function |
| CN106252964B (en) * | 2016-08-31 | 2018-08-14 | 黄金和 | Earth leakage protective socket with backing protection function |
| CN110277285A (en) * | 2019-08-01 | 2019-09-24 | 浙江能美电子科技有限公司 | A kind of reset tripping mechanism |
| CN110277285B (en) * | 2019-08-01 | 2024-01-05 | 浙江能美电子科技有限公司 | Reset tripping mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104269703B (en) | 2016-04-13 |
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