CN107644790B - Leakage protector - Google Patents
Leakage protector Download PDFInfo
- Publication number
- CN107644790B CN107644790B CN201710999749.5A CN201710999749A CN107644790B CN 107644790 B CN107644790 B CN 107644790B CN 201710999749 A CN201710999749 A CN 201710999749A CN 107644790 B CN107644790 B CN 107644790B
- Authority
- CN
- China
- Prior art keywords
- rod
- circuit breaking
- locking
- elastic sheet
- communicating
- 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.)
- Active
Links
Images
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a leakage protector, relating to the field of electrical equipment protection, comprising: the protector comprises a protector shell, a protector device, pins, a bottom plate and elastic sheets, wherein the protector device is arranged on the upper part of the bottom plate and controls the on-off of the leakage protector, and the pins are arranged on the lower part of the bottom plate and are fixed through pin clamping grooves formed in the bottom plate; the protector device comprises a circuit breaking device, a communicating device and a self-locking pressing device, wherein the self-locking pressing device is arranged between the circuit breaking device and the communicating device and is used for realizing the disconnection and the connection of the elastic sheet and the pins; according to the leakage protector provided by the invention, through the design of the buffer cap, the sufficient shock absorption of the existing leakage protector is effectively realized, the service life of the leakage protector is greatly prolonged, and meanwhile, through the design of the self-locking pressing device, the leakage protector is simpler and more reliable to use.
Description
Technical Field
The invention relates to the field of protection of electrical equipment, in particular to a leakage protector.
Background
When the equipment has leakage fault or needs to protect the person with fatal danger from electric shock, the leakage protector can disconnect the main circuit in time, thereby being widely applied; the leakage protector is mainly used for protecting the electric shock of a person with fatal danger when the equipment has leakage faults, has overload and short-circuit protection functions, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for the infrequent switching and starting of the circuit under normal conditions.
The invention discloses a leakage protector, which is connected between a power input terminal and a load output terminal, in chinese patent CN 106602508A, the leakage protector comprises: an insulating housing including an upper cover and a base and having detachable input and output terminals to which electric wires are connected; the switch assembly is arranged in the insulating shell and comprises a first switch communicated with the phase line passage, a second switch communicated with the zero line passage and a third switch communicated with the ground line passage; the control assembly is arranged in the insulating shell and comprises a reset assembly, a test assembly and a core assembly, and the core assembly comprises a circuit board, and a magnetic ring assembly and a tripping assembly which are arranged on the circuit board; the leakage protector disclosed by the invention is not high in safety performance and cannot adapt to different use environments.
Also as disclosed in chinese patent CN 106057593 a, a leakage protector with automatic power supply and power off function includes a housing, and pins, elastic pieces and a self-locking device all located inside the housing; the pin and the elastic sheet are respectively provided with a pin contact and an elastic sheet contact which can be mutually closed; the self-locking device comprises a transverse stop block hinged with a pin seat, a tripping seat with a tripping relay, a reset seat with the tripping relay and a self-locking rod hinged with the tripping seat. When the power supply is recovered, a reset push rod of the tripping relay controls the crosspiece block to rotate anticlockwise relative to the pin base, so that the lower pressing end presses the elastic sheet and the elastic sheet contact is contacted with the pin contact to realize electrification; when the power supply is cut off, the tripping push rod of the tripping relay controls the self-locking rod to rotate along the pointer relative to the tripping seat to enable the locking notch to be separated from the locking end so as to remove the movable limit on the pressing end during the locking, and the elastic sheet contact can be separated from the pin contact to realize the power off; the leakage protector disclosed by the invention has the problem of large vibration in the working process, and the vibration in the working process cannot be effectively eliminated, so that the service life of the leakage protector is influenced.
Disclosure of Invention
First, technical problem to be solved
The invention aims to overcome the defects in the prior art, and particularly provides a leakage protector, which solves the problems of poor cushioning effect and short service life and is complex to use in the conventional leakage protector.
Second, technical scheme
In order to solve the above technical problem, the present invention provides a leakage protector, including: the protector comprises a protector shell, a protector device, pins, a bottom plate and elastic sheets, wherein the protector device is arranged on the upper part of the bottom plate and controls the on-off of the leakage protector, and the pins are arranged on the lower part of the bottom plate and are fixed through pin clamping grooves formed in the bottom plate; the protector device comprises a circuit breaking device, a communicating device and a self-locking pressing device, wherein the self-locking pressing device is arranged between the circuit breaking device and the communicating device and is used for realizing the disconnection and the connection of the elastic sheet and the pins;
the self-locking pressing device comprises a locking driving lever, a fork groove pressing rod, an elastic sheet pressing block, a first pin rod and a second pin rod, the locking driving lever is movably hinged with a second support arranged on the circuit breaking device through the first pin rod, and the elastic sheet pressing block is movably hinged with the first support arranged in the middle of the bottom plate through the second pin rod; the locking shifting rod is provided with a transverse fork groove, a buffering cap seat, a lock catch and a third pin rod, the fork groove pressure rod is provided with an inclined fork groove, the elastic piece pressing block is provided with a long pressure rod, a hasp, a vertical fork groove and a shifting pin, the fork groove pressure rod is movably hinged with the locking shifting rod through the third pin rod, the inclined fork groove is clamped with the shifting pin and used for limiting the elastic piece pressing block, the buffering cap seat is arranged above the lock catch, and the buffering cap seat is provided with a buffering cap playing a role in buffering;
when a power supply is switched on, the communicating device drives the elastic sheet pressing block to rotate anticlockwise through the vertical fork groove, the long pressure rod positioned at the bottom of the elastic sheet pressing block presses the elastic sheet downwards to close the elastic sheet and the plug pins, meanwhile, the hasp jacks upwards to enable the locking deflector rod to rotate clockwise until the hasp abuts against the lock catch to realize self-locking, and meanwhile, the shock of the self-locking pressing device during closing is eliminated by utilizing the buffering effect of the buffering cap, so that circuit communication is realized;
when the power supply is powered off, the circuit breaking device drives the locking deflector rod to rotate clockwise through the transverse fork groove, so that the hasp and the hasp are separated and disengaged, meanwhile, the elastic sheet is disconnected with the pin due to the loss of downward pressure, and simultaneously, the vibration generated when the self-locking pressing device is disconnected is eliminated by utilizing the buffering effect of the buffering cap, and the circuit is broken;
the buffer cap setting of silica gel material is on the locking driving lever, and locking driving lever upper portion is earth-leakage protector's control circuit part, consequently if do not have the buffer cap, earth-leakage protector is in the course of the work, and the produced vibrations of its switching can be transmitted control circuit on, shortens earth-leakage protector's working life greatly.
Wherein, still be equipped with red instruction piece on the fork pocket depression bar, it is located locking driving lever top to instruct the piece, when the switch on, the fork pocket depression bar is by jack-up and in third pin clockwise turning makes the observation window that instructs the piece to move the protector casing, when the power outage, the fork pocket depression bar makes the observation window of instructing the piece from the protector casing shift out around third pin anticlockwise turning, directly know earth-leakage protector's actual operating condition through observation window in the in-service use process, and is simple and convenient and reliable accurate.
The elastic pieces comprise a first elastic piece, a second elastic piece and a third elastic piece, the first elastic piece and the second elastic piece are fixed through elastic piece clamping grooves formed in two sides of the circuit breaking device, and the third elastic piece penetrates through the bottom of the circuit breaking device and is clamped and fixed with the circuit breaking device through a bottom plate; and the base pin is provided with three base pins of a zero line, a live wire and a ground wire corresponding to the elastic sheet, the top of each base pin is provided with an electric connection point, the tail end of the elastic sheet is provided with an elastic sheet point corresponding to the electric connection point, when the long pressure rod presses down the elastic sheet, the elastic sheet point is contacted with the electric connection point, the stability of circuit connection can be well ensured, and the problem of circuit connection in the using process is avoided.
The bottom of the circuit breaking device and the bottom of the communication device are respectively provided with a wedge-shaped buckling pin, the circuit breaking device and the communication device are fixedly buckled with the bottom plate through the buckling pins, the installation is simple and convenient, the firmness and the reliability are realized, the mold opening can be directly utilized, and the production cost is reduced.
The communicating device further comprises a communicating coil, a communicating push rod and a communicating spring, the communicating coil is fixed inside the communicating device, the communicating spring and the communicating push rod are sequentially and horizontally arranged in an inner cavity of the communicating coil, when a power supply is powered off, the communicating push rod is ejected out by the elastic force of the communicating spring, the elastic piece pressing block is made to rotate clockwise, and then the long pressing rod is lifted and releases the elastic piece; when the power supply is switched on, the communicating coil is electrified, so that the communicating push rod drives the elastic sheet pressing block to rotate anticlockwise through the clamping relation with the vertical fork groove.
Wherein, the circuit breaker still including the coil that opens circuit, the push rod and the spring that opens circuit, the coil that opens circuit is fixed inside the circuit breaker, the spring that opens circuit and the push rod that opens circuit vertical setting in proper order are at the coil inner chamber that opens circuit, when the power outage, the work of the coil that opens circuit, make the push rod that opens circuit retract, thereby it drives the locking driving lever clockwise rotation to drive through the joint in push rod and the horizontal fork groove that opens circuit, when the switch on, the elasticity of the spring that opens circuit will open circuit the push rod ejecting and make the locking driving lever anticlockwise rotation, the intercommunication device side is equipped with the stopper, make.
Wherein, be equipped with the cushion collar at the push rod top that opens circuit for supplementary buffering cap plays the cushioning effect jointly.
Third, beneficial effect
Compared with the prior art, the leakage protector provided by the invention effectively realizes the sufficient shock absorption of the existing leakage protector through the design of the buffer cap, greatly prolongs the service life of the leakage protector, and is simpler and more reliable to use through the design of the self-locking pressing device.
Drawings
Fig. 1 is an exploded view of the earth leakage protector of the present invention;
FIG. 2 is a perspective view of the earth leakage protector of the present invention;
FIG. 3 is a diagram of the internal structure of the earth leakage protector in the power-off state;
FIG. 4 is a diagram of the internal structure of the earth leakage protector in a power-on state;
FIG. 5 is a structural diagram of a locking deflector rod and a spring plate pressing block of the leakage protector;
FIG. 6 is a structural diagram of a connection device of the earth leakage protector of the present invention;
in the figure: 1 is a protector shell; 2 is a protector device; 3 is a pin; 4 is a bottom plate; 5 is a spring plate; 6 is a breaking device; 7 is a communicating device; 8 is a self-locking pressing device; 9 is a buffer cap; 10 is a fastening pin; 11 is an electric connection point; 12 is a limiting block; 13 is an observation window; 41 is a spring plate clamping groove; 42 is a pin slot; 51 is a spring plate point; 52 is a first elastic sheet; 53 is a second elastic sheet; 54 is a third elastic sheet; 61 is a breaking coil; 62 is a cut-off push rod; 63 is a breaking spring; a second support 64; 65 is a buffer sleeve; 71 is a communicating coil; 72 is a communication push rod; 73 is a communicating spring; 81 is a locking deflector rod; 82 is a fork groove pressure lever; 83 is a spring plate pressing block; 84 is a first pin; 85 is a second pin; 86 is a cross fork groove; 87 is a buffer cap seat; 88 is a lock catch; 89 is a third pin; 90 is an indication block; 91 is a fork groove; 92 is a long pressure bar; 93 is a hasp; 94 is a vertical fork groove; and 95 is a pin.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
A leakage protector according to an embodiment of the present invention, as shown in fig. 1, includes a protector housing 1, a protector device 2, pins 3, a bottom plate 4, and spring pieces 5, wherein the protector device 2 is disposed on an upper portion of the bottom plate 4, the protector device 2 controls opening and closing of the leakage protector, the pins 3 are disposed on a lower portion of the bottom plate 4 and fixed by pin slots 42 disposed on the bottom plate 4; the protector device 2 comprises a circuit breaking device 6, a communication device 7 and a self-locking pressing device 8, wherein the self-locking pressing device 8 is arranged between the circuit breaking device 6 and the communication device 7 and is used for realizing the disconnection and the connection of the elastic sheet 5 and the pin 3;
the self-locking pressing device 8 comprises a locking shifting rod 81, a fork groove pressing rod 82, an elastic sheet pressing block 83, a first pin rod 84 and a second pin rod 85, the locking shifting rod 81 is movably hinged with a second support 64 arranged on the circuit breaking device 6 through the first pin rod 84, and the elastic sheet pressing block 83 is movably hinged with a first support 43 arranged in the middle of the bottom plate 4 through the second pin rod 85; the locking shifting rod 81 is provided with a transverse fork groove 86, a buffering cap seat 87, a lock catch 88 and a third pin rod 89, the fork groove pressing rod 82 is provided with an inclined fork groove 91, the elastic piece pressing block 83 is provided with a long pressing rod 92, a hasp 93, a vertical fork groove 94 and a shifting pin 95, the fork groove pressing rod 82 is movably hinged with the locking shifting rod 81 through the third pin rod 89, the inclined fork groove 91 is clamped with the shifting pin 95 and used for limiting the elastic piece pressing block 83, the buffering cap seat 87 is arranged above the lock catch 88, and the buffering cap seat 87 is provided with a buffering cap 9 playing a buffering role;
as shown in fig. 4, when the power is turned on, the communicating device 7 drives the elastic piece pressing block 83 to rotate counterclockwise through the vertical fork groove 94, the long pressure rod 92 positioned at the bottom of the elastic piece pressing block 83 presses the elastic piece 5 downwards to close the elastic piece 5 and the pin 3, and the hasp 93 jacks upwards to enable the locking shift lever 81 to rotate clockwise until the hasp 93 abuts against the latch 88 to realize self-locking, and simultaneously, the buffering effect of the buffering cap 9 is utilized to eliminate the vibration when the self-locking pressing device 8 is closed, so that the circuit communication is realized;
as shown in fig. 3, when the power supply is cut off, the circuit breaking device 6 drives the locking deflector rod 81 to rotate clockwise through the cross fork slot 86, so that the hasp 93 is separated from the hasp 88 to be released, meanwhile, the elastic sheet 5 is disconnected from the pin 3 due to the loss of downward pressure, and simultaneously, the shock generated when the self-locking pressing device 8 is disconnected is eliminated by the buffer action of the buffer cap 9, so that the circuit is broken;
as shown in fig. 5, the buffering cap 9 made of silica gel is disposed on the locking shift lever 81, and the upper portion of the locking shift lever 81 is the control circuit portion of the earth leakage protector, so that if there is no buffering cap 9, the earth leakage protector is in the working process, the vibration generated by opening and closing of the earth leakage protector can be transmitted to the control circuit, the service life of the earth leakage protector is greatly shortened, and the stability of the work of the earth leakage protector is affected.
As shown in fig. 2, a red indicating block 90 is further disposed on the fork-slot pressing rod 82, the indicating block 90 is located above the locking shift lever 81, when the power is turned on, the fork-slot pressing rod 82 is jacked up and rotates clockwise around the third pin 89 to move the indicating block 90 into the viewing window 13 of the protector housing 1, and when the power is turned off, the fork-slot pressing rod 82 rotates counterclockwise around the third pin 89 to move the indicating block 90 out of the viewing window 13 of the protector housing 1.
As shown in fig. 1, the elastic sheet 5 includes a first elastic sheet 52, a second elastic sheet 53 and a third elastic sheet 54, the first elastic sheet 52 and the second elastic sheet 53 are fixed by elastic sheet slots 41 arranged at two sides of the circuit breaker 6, and the third elastic sheet 54 passes through the bottom of the circuit breaker 6 and is clamped and fixed by the bottom plate 4 and the circuit breaker 6; and the pin 3 is provided with three pins of a zero line, a live wire and a ground wire correspondingly to the elastic sheet 5, the top of each pin is provided with an electric connection point 11, the tail end of the elastic sheet 5 is provided with an elastic sheet point 51 corresponding to the electric connection point 11, when the elastic sheet 5 is pressed down by the long pressure lever 92, the elastic sheet point 51 is contacted with the electric connection point 11, the stability of circuit connection can be well ensured, and the problem of circuit connection in the using process is avoided.
As shown in fig. 1, the bottom of the circuit breaking device 6 and the bottom of the communicating device 7 are both provided with wedge-shaped fastening pins 10, and the circuit breaking device 6 and the communicating device 7 are fastened and fixed with the bottom plate 4 through the fastening pins 10, so that the installation is simple and convenient, and the circuit breaking device is firm and reliable, can directly use a mold to open the mold, and reduces the production cost.
As shown in fig. 6, the communicating device 7 further includes a communicating coil 71, a communicating push rod 72 and a communicating spring 73, the communicating coil 71 is fixed inside the communicating device 7, the communicating spring 73 and the communicating push rod 72 are sequentially and horizontally arranged in an inner cavity of the communicating coil 71, when the power supply is cut off, the communicating spring 73 pushes out the communicating push rod 72 by the elastic force thereof and enables the elastic piece pressing block 83 to rotate clockwise, so that the long pressing rod 92 is lifted and releases the elastic piece 5; when the power is switched on, the communication coil 71 is electrified, so that the communication push rod 72 drives the elastic sheet pressing block 83 to rotate anticlockwise through the clamping relation with the vertical fork groove 94;
the circuit breaking device 6 further comprises a circuit breaking coil 61, a circuit breaking push rod 62 and a circuit breaking spring 63, the circuit breaking coil 61 is fixed inside the circuit breaking device 6, the circuit breaking spring 63 and the circuit breaking push rod 62 are vertically arranged in the inner cavity of the circuit breaking coil 61 in sequence, when the power supply is powered off, the circuit breaking coil 61 works, the circuit breaking push rod 62 retracts, the locking shift rod 81 is driven to rotate clockwise through the clamping of the circuit breaking push rod 62 and a cross fork groove 86, when the power supply is switched on, the circuit breaking push rod 62 is ejected out by the elastic force of the circuit breaking spring 63 and the locking shift rod 81 rotates anticlockwise, a limiting block 12 is arranged on the side face of the communication device 7, and the.
The top of the circuit breaking push rod 62 is provided with a buffer sleeve 65 for assisting the buffer cap to play a buffer role together.
The leakage protector disclosed by the invention is connected to a circuit to be protected in the actual working and using process, when a power supply is switched on for the first time, a communication coil 71 in a communication device 7 is electrified, a communication push rod 72 retracts, and the communication push rod 72 is clamped with a vertical fork groove 94 on an elastic sheet pressing block 83, so that the elastic sheet pressing block 83 is driven to rotate anticlockwise when the communication push rod 72 retracts, a long pressure rod 92 positioned at the bottom of the elastic sheet pressing block 83 presses down an elastic sheet 5, an electric connection point 11 is contacted with an elastic sheet point 51 to form a passage, and meanwhile, a buckle 93 is abutted with a lock catch 88 to realize the self-locking of the leakage protector; when the circuit is communicated, the red indicating block 90 on the fork groove pressure lever 82 moves to the position right below the observation window 13, so that the indicating effect is achieved; when the circuit needing protection meets the conditions of electric leakage and the like, the circuit breaking device 6 starts to work, so that the circuit breaking push rod 62 retracts, and due to the clamping connection of the circuit breaking push rod 62 and the transverse fork groove 86 on the locking deflector rod 81, the circuit breaking push rod 62 retracts to drive the locking deflector rod 81 to rotate clockwise, so that the hasp 93 and the hasp 88 are disengaged, the elastic force of the communication spring 73 ejects the communication push rod 72 and enables the elastic piece pressing block 83 to rotate clockwise, and further the long pressure rod 92 is lifted and releases the elastic piece 5, so that the disconnection of the leakage protector is realized, and the purpose of protection is achieved; in the working process of the leakage protector, the shock is eliminated through the buffer effect of the buffer cap 9, and the buffer cap 9 is directly sleeved on the buffer cap seat 87, so that the replacement is more convenient.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. A leakage protector, characterized in that it comprises: the leakage protector comprises a protector shell (1), a protector device (2), pins (3), a bottom plate (4) and elastic sheets (5), wherein the protector device (2) is arranged on the upper portion of the bottom plate (4), the protector device (2) controls the leakage protector to be opened and closed, and the pins (3) are arranged on the lower portion of the bottom plate (4) and fixed through pin clamping grooves (42) formed in the bottom plate (4);
the protector device (2) comprises a circuit breaking device (6), a communicating device (7) and a self-locking pressing device (8), wherein the self-locking pressing device (8) is arranged between the circuit breaking device (6) and the communicating device (7) and is used for realizing the opening and closing of the elastic sheet (5) and the pin (3);
the self-locking pressing device (8) comprises a locking shifting rod (81), an elastic sheet pressing block (83), a first pin rod (84) and a second pin rod (85), the locking shifting rod (81) is movably hinged with a second support (64) arranged on the circuit breaking device (6) through the first pin rod (84), and the elastic sheet pressing block (83) is movably hinged with a first support (43) arranged in the middle of the bottom plate (4) through the second pin rod (85); a transverse fork groove (86), a buffering cap seat (87) and a lock catch (88) are arranged on the locking shifting rod (81), a long pressure rod (92), a hasp (93) and a vertical fork groove (94) are arranged on the elastic piece pressing block (83), the buffering cap seat (87) is arranged above the lock catch (88), and a buffering cap (9) playing a buffering role is arranged on the buffering cap seat (87);
when a power supply is switched on, the communicating device (7) drives the elastic piece pressing block (83) to rotate anticlockwise through the vertical fork groove (94), the long pressing rod (92) positioned at the bottom of the elastic piece pressing block (83) presses the elastic piece (5) downwards to enable the elastic piece (5) and the plug pin (3) to be closed, meanwhile, the hasp (93) jacks upwards to enable the locking deflector rod (81) to rotate clockwise until the hasp (93) is abutted with the lock catch (88) to achieve self-locking, and meanwhile, the buffer effect of the buffer cap (9) is utilized to eliminate vibration when the self-locking pressing device (8) is closed, so that circuit communication is achieved;
when the power supply is powered off, the circuit breaking device (6) drives the locking deflector rod (81) to rotate clockwise through the transverse fork groove (86), so that the hasp (93) and the hasp (88) are separated and tripped, meanwhile, the elastic sheet (5) is disconnected with the plug pin (3) due to the loss of downward pressure, and meanwhile, the shock generated when the self-locking pressing device (8) is disconnected is eliminated by utilizing the buffer effect of the buffer cap (9), so that the circuit is broken;
the top of the pin (3) is provided with an electric connection point (11), the tail end of the elastic sheet (5) is provided with an elastic sheet point (51) corresponding to the electric connection point (11), and when the elastic sheet is pressed down by the long pressure lever (92), the elastic sheet point (51) is contacted with the electric connection point (11).
2. A leakage protector according to claim 1, wherein: be equipped with third pin rod (89) on locking driving lever (81), be equipped with shifting pin (95) on shell fragment briquetting (83), auto-lock closing device (8) still include fork groove depression bar (82), be equipped with fork groove (91) to one side on fork groove depression bar (82), fork groove depression bar (82) are through third pin rod (89) and locking driving lever (81) activity hinge joint, fork groove (91) to one side and shifting pin (95) joint are used for the spacing of shell fragment briquetting (83).
3. A leakage protector according to claim 2, wherein: the indicating block (90) is further arranged on the fork groove pressing rod (82), the indicating block (90) is located above the locking shifting rod (81), when the power supply is switched on, the fork groove pressing rod (82) is jacked up and rotates clockwise around the third pin rod (89) to enable the indicating block (90) to move into the observation window (13) of the protector shell (1), and when the power supply is powered off, the fork groove pressing rod (82) rotates anticlockwise around the third pin rod (89) to enable the indicating block (90) to move out of the observation window (13) of the protector shell (1).
4. A leakage protector according to claim 1, wherein: the elastic sheet (5) comprises a first elastic sheet (52), a second elastic sheet (53) and a third elastic sheet (54), the first elastic sheet (52) and the second elastic sheet (53) are fixed through elastic sheet clamping grooves (41) formed in two sides of the circuit breaking device (6), and the third elastic sheet (54) penetrates through the bottom of the circuit breaking device (6) and is clamped and fixed by the bottom plate (4) and the circuit breaking device (6).
5. A leakage protector according to claim 1, wherein: the bottom parts of the circuit breaking device (6) and the communication device (7) are respectively provided with a wedge-shaped buckling pin (10), and the circuit breaking device (6) and the communication device (7) are buckled and fixed with the bottom plate (4) through the buckling pins (10).
6. A leakage protector according to claim 1, wherein: the communicating device (7) further comprises a communicating coil (71), a communicating push rod (72) and a communicating spring (73), the communicating coil (71) is fixed inside the communicating device (7), the communicating spring (73) and the communicating push rod (72) are sequentially and horizontally arranged in an inner cavity of the communicating coil (71), when a power supply is powered off, the communicating push rod (72) is ejected out by the elastic force of the communicating spring (73) and the elastic piece pressing block (83) rotates clockwise, and then the long pressing rod (92) is lifted and the elastic piece (5) is released; when the power supply is switched on, the communicating coil (71) is electrified, so that the communicating push rod (72) drives the elastic sheet pressing block (83) to rotate anticlockwise through the clamping relation with the vertical fork groove (94).
7. A leakage protector according to claim 1, wherein: the circuit breaking device (6) further comprises a circuit breaking coil (61), a circuit breaking push rod (62) and a circuit breaking spring (63), the circuit breaking coil (61) is fixed inside the circuit breaking device (6), the circuit breaking spring (63) and the circuit breaking push rod (62) are sequentially and vertically arranged in an inner cavity of the circuit breaking coil (61), when a power supply is powered off, the circuit breaking coil (61) works to enable the circuit breaking push rod (62) to retract, the locking deflector rod (81) is driven to rotate clockwise through clamping of the circuit breaking push rod (62) and a cross fork groove (86), when the power supply is powered on, the elastic force of the circuit breaking spring (63) enables the circuit breaking push rod (62) to eject out and enables the locking deflector rod (81) to rotate anticlockwise, and a limiting block (12) is arranged on the side face of the communication device (7) to enable the locking deflector rod (.
8. A earth-leakage protector as claimed in claim 7, characterized in that: the top of the circuit breaking push rod (62) is provided with a buffer sleeve (65).
9. A leakage protector according to claim 3, wherein: the indicator 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 CN107644790A (en) | 2018-01-30 |
| CN107644790B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119299B (en) * | 2018-09-19 | 2023-10-20 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802712Y (en) * | 2005-06-10 | 2006-08-02 | 方家立 | Forced reset earth leakage protective device core |
| CN201185279Y (en) * | 2008-03-06 | 2009-01-21 | 张克清 | Earth leakage protection plug |
| CN102025086A (en) * | 2010-12-05 | 2011-04-20 | 中山市开普电器有限公司 | Power plug with leakage protection function |
| CN201975639U (en) * | 2010-12-05 | 2011-09-14 | 中山市开普电器有限公司 | Novel leakage protection plug |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002025417A (en) * | 2000-07-13 | 2002-01-25 | Fuji Electric Co Ltd | Earth leakage breaker |
-
2017
- 2017-10-24 CN CN201710999749.5A patent/CN107644790B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802712Y (en) * | 2005-06-10 | 2006-08-02 | 方家立 | Forced reset earth leakage protective device core |
| CN201185279Y (en) * | 2008-03-06 | 2009-01-21 | 张克清 | Earth leakage protection plug |
| CN102025086A (en) * | 2010-12-05 | 2011-04-20 | 中山市开普电器有限公司 | Power plug with leakage protection function |
| CN201975639U (en) * | 2010-12-05 | 2011-09-14 | 中山市开普电器有限公司 | Novel leakage protection plug |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107644790A (en) | 2018-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY146547A (en) | Mold cased circuit breaker | |
| CN108461996B (en) | Tripolar on-off leakage protection plug | |
| CN107644790B (en) | Leakage protector | |
| CN202840125U (en) | Novel electric-leakage protection plug | |
| CN107863279B (en) | Circuit breaker | |
| CN108109888B (en) | Leakage protector | |
| CN207765377U (en) | A kind of earth leakage protective device | |
| CN218386065U (en) | Leakage protector capable of fast reaction | |
| CN108962697B (en) | Leakage protector | |
| CN211907362U (en) | Separated leakage protector | |
| CN210778468U (en) | Circuit breaker testing device and circuit breaker with same | |
| CN210576630U (en) | Safety socket | |
| CN208908208U (en) | A kind of earth leakage protective device | |
| CN219800774U (en) | Residual current protection circuit breaker and charging pile | |
| CN212136373U (en) | Small-size electric leakage circuit breaker electric leakage dropout instruction self-lock device | |
| CN220420518U (en) | Circuit breaker with protect function | |
| CN220933149U (en) | Circuit breaker detection device | |
| CN213958879U (en) | Switch breaker | |
| CN215299169U (en) | Rotary maintaining type leakage protector | |
| CN215988586U (en) | Power isolating switch with overheat protection | |
| CN212182253U (en) | Backup protector | |
| CN215377354U (en) | Linkage structure of thermal tripping mechanism and remote signaling alarm mechanism and surge protector | |
| CN211907341U (en) | Integral type earth-leakage protector | |
| CN213340256U (en) | Three-connecting-rod with anti-collision and high reliability | |
| CN217468325U (en) | Overload release device for circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |