CN112164629B - Grounding circuit breaker - Google Patents
Grounding circuit breaker Download PDFInfo
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- CN112164629B CN112164629B CN202011025476.2A CN202011025476A CN112164629B CN 112164629 B CN112164629 B CN 112164629B CN 202011025476 A CN202011025476 A CN 202011025476A CN 112164629 B CN112164629 B CN 112164629B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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Abstract
The invention relates to the field of circuit breakers, in particular to a grounding circuit breaker which comprises a front cover, a base and a rear cover, wherein the front cover comprises an upper shell and a front shell, and a first bolt and a wire assembly device are arranged on the upper shell; the wire-mounting device comprises a handle, an elastic connecting piece, a connecting block, a transmission piece, a friction piece and a clamping block, wherein one end of the handle is exposed to the upper shell, the other end of the handle is connected with one end of the elastic connecting piece, and the other end of the elastic connecting piece is hinged with the connecting block; the transmission piece is connected with the connecting block and the friction piece; the clamping block is internally provided with a clamping groove, the wire assembly device is internally further provided with a wire passing groove, the wire passing groove is used for enabling a wire core to be clamped to pass through, and the friction surface of the friction piece is arranged opposite to the wire core, so that the friction piece drives the wire core to move into the clamping groove of the clamping block through friction force under the pushing of the transmission piece, and the wire core is clamped. The grounding circuit breaker has the advantages that the wire plug is simple and convenient, and the wire core is not easy to loose.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to a grounding circuit breaker.
Background
As is well known, ground circuit breakers applied to low voltage distribution systems have: a circuit breaker for wiring having an overcurrent protection function, and an earth leakage circuit breaker having an overcurrent protection function and an earth leakage protection function. The circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and capable of closing, carrying and opening a current under abnormal circuit conditions for a prescribed time,
the prior art discloses the application number: 201520378477.3 a ground fault circuit interrupter includes a housing, a reset member, a reset mechanism, a conductive assembly, a leakage signal detection circuit, and an electromagnetic trip mechanism; the reset mechanism comprises a reset bracket and a bracket return mechanism, and the reset bracket comprises a reset bracket frame body and a bracket reset spring; the bracket return mechanism comprises a return rod, a return spring, a compression spring containing cavity, a return sliding block and a contact conductive piece; the reset bracket is in a reset state, the position B is in a release state, and the reset bracket has a tendency of sliding from the position A to the position B under the action of the bracket return mechanism; the contact conductive piece is arranged at the lower end part of the reset slide block and corresponds to the position of the switch contact of the PCB of the ground fault circuit breaker, and the on-off state control of the conductive component is realized through the contact and separation of the contact conductive piece and the switch contact. However, when the circuit breaker is assembled and disassembled, the circuit breaker is assisted by tools such as a screwdriver, so that the circuit breaker is inconvenient to use and the working efficiency is affected. The prior art can not be completely sleeved into the cable core, and the wiring difficulty is high, so that the situation that the cable core falls off easily occurs.
In view of the above, there is a need to provide a new type of grounding circuit breaker that solves or at least alleviates the above-mentioned technical drawbacks.
Disclosure of Invention
The invention mainly aims to provide a grounding circuit breaker, which aims to solve the technical problems that the wiring difficulty of the traditional grounding circuit breaker is high and a wire core is easy to loosen.
To achieve the above object, the present invention provides a ground circuit breaker comprising:
the front cover comprises an upper shell and a front shell, wherein a first bolt and a wire assembly device are arranged on the upper shell, a switch is arranged on the front shell, a second bolt is arranged on the base, the upper shell and the front shell are integrally formed, and the front cover and the rear cover are buckled;
the wire-mounting device comprises a handle, an elastic connecting piece, a connecting block, a transmission piece, a friction piece and a clamping block, wherein one end of the handle is exposed to the upper shell, the other end of the handle is connected with one end of the elastic connecting piece, and the other end of the elastic connecting piece is hinged with the connecting block so as to drive the elastic connecting piece to move through the movement of the handle, thereby driving the connecting block to move;
the transmission piece comprises a first transmission rod, a second transmission rod and a third transmission rod, the second transmission rod is hinged with the first transmission rod and the third transmission rod respectively, the first transmission rod is also hinged with the connecting block, and the third transmission rod is also connected with the friction piece so as to drive the friction piece to move through the transmission piece;
the clamping block is internally provided with a clamping groove, the wire assembly device is internally further provided with a wire passing groove for allowing a wire core to be clamped to pass through, and the friction surface of the friction piece is arranged opposite to the wire core, so that the friction piece drives the wire core to move into the clamping groove of the clamping block through friction force under the pushing of the transmission piece, and the wire core is clamped;
when the wire core needs to be clamped, the wire core is inserted into the wire passing groove, the handle is pressed downwards, the torsional moment is transmitted to the connecting block through the elastic connecting piece, then the friction piece is driven to move through the transmission effect of the transmission piece, and the friction piece is driven to move to the clamping groove of the clamping block to clamp the wire core.
Preferably, the elastic connecting piece comprises an elastic rod and a spring sleeved on the outer circumferential surface of the elastic rod, and the elastic rod comprises a first end and a second end. The first end is hinged with the handle, the second end is hinged with the connecting block, the spring comprises a third end and a fourth end, the third end is fixedly connected with the handle, and the fourth end is fixedly connected with the connecting block.
Preferably, mounting lugs are arranged at both ends of the elastic rod, a mounting hole is arranged at one end, close to the elastic rod, of the handle, and the handle is hinged with the elastic rod through a threaded fastener; the connecting block is hinged with the elastic rod through a threaded piece.
Preferably, the friction piece comprises a friction rod, the friction rod is welded with the third transmission rod, the friction rod and the third transmission rod are both horizontally arranged, and one surface of the friction rod, which faces the wire core, is arranged in a zigzag shape.
Preferably, the clamping groove is a square groove, the width of the square groove is slightly larger than the diameter of the wire core, and an elastic sheet is arranged in the clamping groove; when the wire core is inserted into the square groove, the elastic sheet is extruded to deform so as to clamp the wire core in the square groove.
Preferably, the elastic piece is a circular arc-shaped elastic piece, and the convex surface of the circular arc-shaped elastic piece is arranged facing the wire core.
Preferably, the number of the circular arc-shaped elastic pieces is two, the convex surfaces of the two circular arc-shaped elastic pieces are oppositely arranged, and a certain gap is reserved between the two circular arc-shaped elastic pieces for the wire core to pass through.
Preferably, a plurality of elastic saw teeth are arranged on the inner wall surface of the clamping groove, so that the wire core is prevented from loosening from the clamping groove through the blocking effect of the plurality of elastic saw teeth after the wire core enters the clamping groove under the driving of the friction piece.
Preferably, the end of the handle exposed to the upper case is further provided with an extended end.
Preferably, the front cover is also provided with a reset button, and the rear cover is provided with a sliding groove and a clamping groove.
The beneficial effects are that: in the above technical solution of the present invention, a grounding circuit breaker includes: the front cover comprises an upper shell and a front shell, wherein a first bolt and a wire-mounting device are arranged on the upper shell, a switch is arranged on the front shell, a second bolt is arranged on the base, the upper shell and the front shell are integrally formed, and the front cover and the rear cover are buckled; the wire assembly device comprises a handle, an elastic connecting piece, a connecting block, a transmission piece, a friction piece and a clamping block, wherein one end of the handle is exposed to the upper shell, the other end of the handle is connected with one end of the elastic connecting piece, and the other end of the elastic connecting piece is hinged with the connecting block so as to drive the elastic connecting piece to move through the movement of the handle, thereby driving the connecting block to move; the transmission piece comprises a first transmission rod, a second transmission rod and a third transmission rod, the second transmission rod is hinged with the first transmission rod and the third transmission rod respectively, the first transmission rod is also hinged with the connecting block, and the third transmission rod is also connected with the friction piece so as to drive the friction piece to move through the transmission piece; the clamping block is internally provided with a clamping groove, the wire assembly device is internally provided with a wire passing groove, the wire passing groove is used for enabling a wire core to be clamped to pass through, and the friction surface of the friction piece is arranged opposite to the wire core, so that the friction piece drives the wire core to move into the clamping groove of the clamping block through friction force under the pushing of the transmission piece, and the wire core is clamped; when the wire core needs to be clamped, the wire core is inserted into the wire passing groove, the handle is pressed downwards, the torsional moment is transmitted to the connecting block through the elastic connecting piece, then the friction piece is driven to move through the transmission effect of the transmission piece, and the friction piece moves to drive the wire core in friction connection with the friction piece to move into the clamping groove of the clamping block to clamp the wire core. In the above-mentioned scheme, insert the sinle silk earlier in the wire casing, thereby drive the connecting block motion through handle drive elastic connection spare, through the motion drive transmission spare motion of connecting block to make the friction piece motion of being connected with the third transfer line, and then stretch into the draw-in groove of joint piece with the sinle silk through friction drive sinle silk of friction piece. The invention has the advantages of simple and convenient wire plug and difficult wire core loosening.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a grounding circuit breaker according to an embodiment of the present invention;
fig. 2 is another schematic perspective view of a grounding circuit breaker according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a further perspective structure of a ground circuit breaker according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a wire assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of the friction member, the clamping block and the wire core (the wire core is not inserted) according to the embodiment of the present invention;
FIG. 6 is a schematic view of the friction member, the clamping block and the wire core (with the wire core inserted) according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a clamping block according to an embodiment of the invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1 | |
21 | |
| 22 | |
23 | |
| 24 | |
25 | |
| 3 | Wire- |
31 | |
| 32 | Elastic connecting |
33 | Connecting |
| 34 | |
35 | |
| 36 | Clamping block | 37 | |
| 321 | |
322 | |
| 351 | |
361 | Clamping |
| 38 | |
4 | |
| 5 | |
6 | Reset button |
| 7 | |
8 | Clamping groove |
| 9 | Wire core |
The achievement of the object, functional features and advantages of the present invention will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as upper and lower … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Referring to fig. 1 to 7, according to a preferred embodiment of the present invention, there is provided a ground circuit breaker including:
the front cover 24, the base 21 and the rear cover 25, the front cover 24 comprises an upper shell 22 and a front shell 23, the upper shell 22 is provided with a first bolt 4 and a wire assembly device 3, the front shell 23 is provided with a switch 1, the base 21 is provided with a second bolt 5, the upper shell 22 and the front shell 23 are integrally formed, and the front cover 24 and the rear cover 25 are buckled;
the wire assembly 3 comprises a handle 31, an elastic connecting piece 32, a connecting block 33, a transmission piece 34, a friction piece 35 and a clamping block 36, wherein one end of the handle 31 is exposed to the upper shell 22, the other end of the handle 31 is connected with one end of the elastic connecting piece 32, and the other end of the elastic connecting piece 32 is hinged with the connecting block 33 so as to drive the elastic connecting piece 32 to move through the movement of the handle 31, thereby driving the connecting block 33 to move;
the transmission piece 34 comprises a first transmission rod, a second transmission rod and a third transmission rod, the second transmission rod is hinged with the first transmission rod and the third transmission rod respectively, the first transmission rod is also hinged with the connecting block 33, and the third transmission rod is also connected with the friction piece 35 so as to drive the friction piece 35 to move through the transmission piece 34;
a clamping groove 361 is formed in the clamping block 36, a wire passing groove is formed in the wire assembly device 3 and is used for enabling the wire core 9 to be clamped to pass through, and a friction surface of the friction piece 35 is arranged opposite to the wire core 9, so that the friction piece 35 drives the wire core 9 to move into the clamping groove 361 of the clamping block 36 through friction force under the pushing of the transmission piece 34, and the wire core 9 is clamped;
when the wire core 9 needs to be clamped, the wire core 9 is inserted into the wire passing groove, the handle 31 is pressed downwards, the torsion moment is transmitted to the connecting block 33 through the elastic connecting piece 32, then the friction piece 35 is driven to move through the transmission function of the transmission piece 34, and the friction piece 35 is driven to move to drive the wire core 9 in friction connection with the friction piece 35 to move into the clamping groove 361 of the clamping block 36 to clamp the wire core 9.
In the above embodiment, the wire assembly 3 includes the handle 31, the elastic connecting member 32, the connecting block 33, the transmission member 34, the friction member 35 and the clamping block 36, one end of the handle 31 is exposed to the upper case 22, the other end of the handle 31 is connected with one end of the elastic connecting member 32, and the other end of the elastic connecting member 32 is hinged with the connecting block 33, so that the movement of the handle 31 drives the elastic connecting member 32 to move to drive the connecting block 33 to move; the transmission piece 34 comprises a first transmission rod, a second transmission rod and a third transmission rod, the second transmission rod is hinged with the first transmission rod and the third transmission rod respectively, the first transmission rod is also hinged with the connecting block 33, and the third transmission rod is also connected with the friction piece 35 so as to drive the friction piece 35 to move through the transmission piece 34; the clamping block 36 is internally provided with a clamping groove 361, the wire assembly device 3 is internally provided with a wire passing groove for allowing the wire core 9 to be clamped to pass through, and the friction surface of the friction piece 35 is arranged opposite to the wire core 9, so that the friction piece 35 drives the wire core 9 to move into the clamping groove 361 of the clamping block 36 through friction force under the pushing of the transmission piece 34, and the wire core 9 is clamped. When the wire core 9 is required to be installed, the wire core 9 is inserted into the wire passing groove, the elastic connecting piece 32 is driven by the handle 31 to drive the connecting block 33 to move, the transmission piece 34 is driven by the movement of the connecting block 33 to move, the friction piece 35 connected with the third transmission rod is enabled to move, and the wire core 9 is driven by the friction between the friction piece 35 and the wire core 9 to extend into the clamping groove 361 of the clamping block 36 to clamp the wire core 9. This embodiment has the advantage that the plug wire is simple and convenient and sinle silk 9 is difficult for the pine to take off. After the handle 31 is released, the handle 31 returns to the original position by the restoring force of the elastic connection member 32.
According to another preferred embodiment of the present invention, the elastic connection member 32 includes an elastic rod 321 and a spring 322 fitted around the outer circumference of the elastic rod 321, and the elastic rod 321 includes a first end and a second end. The first end is articulated with the handle 31, the second end is articulated with the connecting block 33, the spring 322 comprises a third end and a fourth end, the third end is fixedly connected with the handle 31, and the fourth end is fixedly connected with the connecting block 33. The elastic rod 321 serves to reinforce the strength of the elastic connection member 32, and the elastic rod 321 may be made of an elastic material such as rubber. Or may be made of a relatively slender metal, such as copper or steel.
Further, mounting lugs are arranged at both ends of the elastic rod 321, a mounting hole is arranged at one end of the handle 31, which is close to the elastic rod 321, and the handle 31 is hinged with the elastic rod 321 through a threaded fastener; the connection block 33 is hinged to the elastic rod 321 by a screw. The articulation with the handle 31 and the connection block 33 is achieved by means of mounting lugs.
Further, the friction member 35 includes a friction lever welded to the third transmission lever, and both the friction lever and the third transmission lever are horizontally disposed, and a face of the friction lever facing the wire core 9 is provided in a zigzag 351. Those skilled in the art will appreciate that the horizontal arrangement may enable the core 9 to be inserted horizontally into the slot 361, so that the clamping is easier and more convenient.
Further, the clamping groove 361 is a square groove, the width of the square groove is slightly larger than the diameter of the wire core 9, and an elastic sheet 38 is arranged in the clamping groove 361; when the wire core 9 is inserted into the square groove, the elastic sheet 38 is extruded to deform so as to clamp the wire core 9 in the square groove. After the wire core 9 is inserted, the elastic sheet 38 is required to recover the deformation and further apply the extrusion force to the wire core 9, and the wire core 9 is clamped in the clamping groove 361 under the action of the extrusion force.
Further, the elastic piece 38 is a circular arc-shaped elastic piece 38, and the convex surface of the circular arc-shaped elastic piece 38 is arranged facing the wire core 9. The convex surface is arranged to face the wire core 9, and a larger contact area with the wire core 9 can be provided after the elastic sheet 38 is pressed. The contact area can be increased, the pressure is reduced and the damage degree of the wire core 9 is further reduced by contacting the wire core 9 with the two ends opposite to the concave surface.
Further, the number of the circular arc elastic pieces 38 is two, the convex surfaces of the two circular arc elastic pieces 38 are opposite, and a certain gap is reserved between the two circular arc elastic pieces 38 for the wire core 9 to pass through. The gap between the two circular arc elastic changes is smaller than the diameter or the width of the wire core 9, and when the wire core 9 passes through the gap, the two circular arc elastic pieces 38 are deformed so as to clamp the wire core 9 between the two circular arc elastic pieces 38.
Further, a plurality of elastic serrations are provided on the inner wall surface of the clamping groove 361, so that the wire core 9 is prevented from being released from the clamping groove 361 by the blocking effect of the plurality of elastic serrations after the wire core 9 enters the clamping groove 361 under the driving of the friction member 35. The wire core 9 is inserted into the clamping groove 361 through the elastic serrations of the clamping groove 361 by the driving of the friction member 35. When the wire core 9 is inserted, the wire core 9 is clamped in the clamping groove 361 under the driving of no external force due to the blocking effect of the elastic saw teeth.
Further, the end of the handle 31 exposed to the upper case 22 is also provided with an extended end 37. The extension section is convenient for the operation of hands. Further, the front cover 24 is further provided with a reset button 6, and the rear cover 25 is provided with a sliding groove 7 and a clamping groove 8, so that the sliding groove 7 and the clamping groove 8 are convenient for the installation of the circuit breaker.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather as utilizing equivalent structural changes made in the description and drawings of the present invention or directly/indirectly applied to other related technical fields under the technical concept of the present invention.
Claims (10)
1. The grounding circuit breaker is characterized by comprising a front cover (24), a base (21) and a rear cover (25), wherein the front cover (24) comprises an upper shell (22) and a front shell (23), a first bolt (4) and a wire assembly device (3) are arranged on the upper shell (22), a switch (1) is arranged on the front shell (23), a second bolt (5) is arranged on the base (21), the upper shell (22) and the front shell (23) are integrally formed, and the front cover (24) and the rear cover (25) are buckled;
the wire assembly device (3) comprises a handle (31), an elastic connecting piece (32), a connecting block (33), a transmission piece (34), a friction piece (35) and a clamping block (36), one end of the handle (31) is exposed to the upper shell (22), the other end of the handle (31) is connected with one end of the elastic connecting piece (32), and the other end of the elastic connecting piece (32) is hinged with the connecting block (33) so as to drive the elastic connecting piece (32) to move through the movement of the handle (31) to drive the connecting block (33) to move;
the transmission piece (34) comprises a first transmission rod, a second transmission rod and a third transmission rod, the second transmission rod is hinged with the first transmission rod and the third transmission rod respectively, the first transmission rod is also hinged with the connecting block (33), and the third transmission rod is also connected with the friction piece (35) so as to drive the friction piece (35) to move through the transmission piece (34);
a clamping groove (361) is formed in the clamping block (36), a wire passing groove is formed in the wire mounting device (3), the wire passing groove is used for enabling a wire core (9) to be clamped to pass through, a friction surface of the friction piece (35) is arranged opposite to the wire core (9), so that the friction piece (35) drives the wire core (9) to move into the clamping groove (361) of the clamping block (36) through friction force under the pushing of the transmission piece (34), and the wire core (9) is clamped;
when wire core (9) needs to be clamped, wire core (9) is inserted into the wire slot, handle (31) is pressed downwards, torsional moment is transmitted to connecting block (33) through elastic connecting piece (32), then friction piece (35) is driven to move through the transmission effect of transmission piece (34), and wire core (9) which is in friction connection with friction piece (35) is driven to move to clamping groove (361) of clamping block (36) to clamp wire core (9).
2. The grounding circuit breaker according to claim 1, wherein the elastic connection member (32) comprises an elastic rod (321) and a spring (322) sleeved on an outer circumferential surface of the elastic rod (321), the elastic rod (321) comprising a first end and a second end; the first end is hinged with the handle (31), the second end is hinged with the connecting block (33), the spring (322) comprises a third end and a fourth end, the third end is fixedly connected with the handle (31), and the fourth end is fixedly connected with the connecting block (33).
3. The grounding circuit breaker according to claim 1, characterized in that both ends of the elastic rod (321) are provided with mounting lugs, one end of the handle (31) close to the elastic rod (321) is provided with a mounting hole, and the handle (31) is hinged with the elastic rod (321) through a threaded fastener; the connecting block (33) is hinged with the elastic rod (321) through a screw.
4. The earthing circuit breaker according to claim 1, characterized in that the friction element (35) comprises a friction rod welded with the third transmission rod, and both the friction rod and the third transmission rod are arranged horizontally, the face of the friction rod facing the wire core (9) being arranged in a zigzag (351).
5. The grounding circuit breaker according to claim 1, characterized in that the clamping groove (361) is a square groove, the width of which is slightly larger than the diameter of the wire core (9), and an elastic sheet (38) is arranged in the clamping groove (361); when the wire core (9) is inserted into the square groove, the elastic piece (38) is extruded to deform so as to clamp the wire core (9) in the square groove.
6. The grounding circuit breaker according to claim 5, characterized in that the elastic sheet (38) is a circular arc-shaped elastic sheet (38), the convex surface of the circular arc-shaped elastic sheet (38) being arranged facing the wire core (9).
7. The grounding circuit breaker according to claim 6, characterized in that the number of the circular arc-shaped elastic pieces (38) is two, the convex surfaces of the two circular arc-shaped elastic pieces (38) are oppositely arranged, and a gap for the wire core (9) to pass through is reserved between the two circular arc-shaped elastic pieces (38).
8. The grounding circuit breaker according to claim 1, characterized in that a plurality of elastic serrations are provided on an inner wall surface of the catching groove (361) so that the wire core (9) is prevented from being released from the catching groove (361) by a blocking effect of the plurality of elastic serrations after the wire core (9) enters the catching groove (361) under the driving of the friction member (35).
9. A grounding circuit breaker according to claim 1, characterized in that the end of the handle (31) exposed to the upper shell (22) is further provided with a protruding end (37).
10. The grounding circuit breaker according to claim 1, characterized in that the front cover (24) is further provided with a reset button (6), and the rear cover (25) is provided with a chute (7) and a snap-in groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011025476.2A CN112164629B (en) | 2020-09-25 | 2020-09-25 | Grounding circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011025476.2A CN112164629B (en) | 2020-09-25 | 2020-09-25 | Grounding circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN112164629A CN112164629A (en) | 2021-01-01 |
| CN112164629B true CN112164629B (en) | 2023-05-12 |
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| CN202011025476.2A Active CN112164629B (en) | 2020-09-25 | 2020-09-25 | Grounding circuit breaker |
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| CN107622923B (en) * | 2017-09-28 | 2019-02-26 | 杭州申之江电器有限公司 | A kind of compact earth circuit breaker |
| CN107546072A (en) * | 2017-10-11 | 2018-01-05 | 无锡市海升电子科技有限公司 | A kind of earth leakage protective device being easily installed with wiring |
| CN208548327U (en) * | 2018-06-22 | 2019-02-26 | 宁波鹿鼎电子科技有限公司 | A kind of compact earth circuit breaker |
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2020
- 2020-09-25 CN CN202011025476.2A patent/CN112164629B/en active Active
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Effective date of registration: 20230331 Address after: 414000 muligang Avenue, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province (6th floor, building 12, modern industrial park) Applicant after: Hunan Ruizhi Electric Technology Co.,Ltd. Address before: 325100 No. 555, Shamen Road, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: Zhu Chengfeng |
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