CN219873369U - Leakage circuit breaker with more stable circuit breaking - Google Patents

Abstract

The utility model relates to a leakage breaker with more stable circuit breaking, which comprises a base, an operating mechanism and an upper cover, wherein the base is connected with the upper cover, the operating mechanism is positioned between the base and the upper cover, the operating mechanism comprises a bracket, a tripping assembly, a lock catch, a reset piece and an operating main body, the bracket is provided with two first side plates, one end of the lock catch is hinged with the two first side plates, the reset piece applies an acting force back to the tripping assembly to the lock catch, the lock catch comprises a hinged block positioned at the bottom of the lock catch and a baffle positioned at the top of the lock catch, the baffle is positioned at one side of the top of the hinged block back to the bracket, the width of the baffle is larger than the distance between the two first side plates, and the position, between the two first side plates, of the tripping assembly on the baffle applies an acting force back to the bracket. The utility model provides an electric leakage breaker with more average lock catch stress and more stable circuit breaking.

Description

Leakage circuit breaker with more stable circuit breaking

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a leakage circuit breaker with more stable circuit breaking.

Background

The leakage circuit breaker is a switch capable of automatically acting when the leakage current in the circuit exceeds a preset value, the common leakage circuit breaker is divided into a voltage type and a current type, the current type is divided into an electromagnetic type and an electronic type, the leakage circuit breaker is used for preventing human body from electric shock, and the leakage circuit breaker is selected according to different requirements of direct contact and indirect contact for electric shock protection.

Chinese patent document CN216528698U discloses an electric leakage breaker, including base, operating device and bottom, the bottom with the base is connected, operating device is located the bottom with between the base, the base is equipped with stationary contact and moving contact, operating device includes support, connecting rod, jump knot, transfer line, hasp, handle and trip gear, the support with the base is connected, the connecting rod both ends respectively with the handle with jump knot articulates, the handle with the support articulates, the hasp is equipped with the hasp platform, jump knot one end is located the hasp platform is facing away from one side of base, the jump knot other end is equipped with the transmission shaft, the support be equipped with the motion groove of transmission shaft adaptation, the transfer line with be equipped with the contact spring between the base, the handle is equipped with the torsional spring.

But this electric leakage circuit breaker's trip gear sets up in the side position of its support, and it can make its bottom swing at the support from side pulling hasp when triggering electric leakage circuit breaker, reaches the purpose of breaking circuit, but from the atress of side pulling hasp not even enough, the slope leads to the pulling in-process to block easily, can't smooth circuit breaking.

Disclosure of Invention

In summary, in order to overcome the defects of the prior art, the utility model provides a leakage breaker with more average latch stress and more stable circuit breaking.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a more stable electric leakage circuit breaker breaks circuit, includes base, operating device and upper cover, the base with the upper cover is connected, operating device is located the base with between the upper cover, operating device includes support, tripping device, hasp, reset piece and operation main part, the support is equipped with two first curb plates, reset piece is right the hasp is exerted dorsad tripping device's effort, the hasp is including the articulated piece that is located its bottom and the baffle that is located its top, the hasp is two it articulates rather than between the first curb plate, the baffle is located the top of articulated piece is dorsad one side of support, the width of baffle is greater than two the interval of first curb plate, tripping device is located two on the baffle the position between the first curb plate is applied dorsad to it, and the side of operation main part is no longer occupied space by the tripping device, has saved the space, can set up and is used for other structures.

So set up, the hasp can tightly press in one side of support under the effect of restoring to the throne the piece during the use, at this moment the hinge piece can insert in two first curb plates, the jump of operating body detains just can detain at the top of hinge piece, the hinge piece can play an effect of supporting, when electric leakage triggers the protection of breaking, the tripping device just can receive the signal, apply the effort of a back support to the baffle and pull out it, whole hasp just can swing between two first curb plates around its articulated shaft under the drive of this effort after the baffle atress, hinge piece can also be pulled together between two first curb plates like this, the jump no longer has the butt, just so can spring out and accomplish the circuit break, because the position that the latch device applys effort is located between two first curb plates, namely the intermediate position of baffle, the effort can evenly spread to controlling, just can not unilateral slope when the hasp is in the swing like this, can not block, the process of breaking is more stable.

Further, the tripping assembly comprises a tripping coil and a movable iron core, a driving hole is formed in the position, between the two first side plates, of the baffle, a driving cover with the section larger than that of the driving hole is arranged at one end, facing the support, of the movable iron core, and the tripping coil controls the movable iron core to slide back and forth in the direction of the support.

So set up, trip coil is the electro-magnet promptly, and the movable iron core will one end be inserted in trip coil in the other end is inserted in the drive hole after the installation, and the actuating cap also can be in this side, then when taking place the electric leakage phenomenon, trip coil received the signal of telecommunication, produces magnetic force, will move the iron core and inhale, moves the iron core and just can be pulled out away from the support, and the great actuating cap of in-process cross-section pulls whole hasp in the drive hole, simple structure.

Further, the driving hole penetrates through the opening of the top surface of the baffle plate.

So set up, the open-top in drive hole sets up like this and moves the iron core alright follow its top and press and accomplish the installation, easy dismounting.

Further, two sides of the baffle are respectively provided with a second side plate corresponding to the positions of the two first side plates.

The second side plate can prop against the first side plate corresponding to the second side plate, so that the distance between the baffle plate and the bracket is increased, the distance between the driving cover and the jumping buckle is increased, and the operation of the jumping buckle is not influenced by the driving cover.

Further, the distance from the end face of one side of the baffle, which is opposite to the bracket, to the bracket is larger than the distance from the end face of one side of the hinge block, which is opposite to the bracket, to the bracket.

The arrangement further increases the interval between the baffle and the bracket, so that the interval between the driving cover and the jump buckle is increased, and the existence of the driving cover can not influence the operation of the jump buckle.

Further, the reset piece is a torsion spring, and the reset piece is sleeved outside the hinge shaft of the lock catch to apply acting force to the lock catch.

The two ends of the torsion spring can be respectively abutted against the bottom of the bracket and the lock catch, so that the restoring force of the torsion spring can apply acting force to the lock catch at any time, and the torsion spring is tightly attached to the bracket, so that the structure is simple.

Further, a reset groove is formed in one side, facing the first side plate, of the hinge block, and the reset piece is located in the reset groove.

So set up, can place the torsional spring in the position of reset groove then reinsert the articulated lever, the one end of torsional spring just like this is supported at the top of reset groove, can not expose outside, and is more stable, simple to operate.

Further, the reset groove is provided with a positioning table which is arranged around the hinging position of the hinging block, and the outer diameter of the positioning table is matched with the inner diameter of the reset piece.

So set up, can overlap torsion spring on the locating bench earlier before the installation, then insert the corresponding position on the support with the hasp and reinsert the articulated lever again, it is more convenient to install, and the torsional spring is more stable.

Further, a hook groove communicated with the reset groove is formed in one side, facing away from the support, of the hinging block.

The arrangement is that the torsion spring can select the style that the two sides of the torsion spring are provided with the cross bars parallel to the axial direction of the torsion spring, and the cross bars can be placed into the hook grooves, so that the torsion spring is more stable.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is an exploded view of fig. 1 of an embodiment of the present utility model.

Fig. 3 is an exploded view of fig. 2 of an embodiment of the present utility model.

Fig. 4 is an enlarged view of a portion a of fig. 3.

The meaning of the reference numerals in the figures: 1. base, 2, operating mechanism, 201, bracket, 2011, first side plate, 202, trip assembly, 2021, trip coil, 2022, plunger, 20221, drive cover, 203, latch, 2031, hinge block, 20311, reset slot, 20312, locating table, 20313, hooking slot, 2032, baffle, 20321, drive aperture, 20322, second side plate, 204, reset piece, 205, operating body, 3, upper cover.

Detailed Description

The present embodiment is merely illustrative of the present embodiment and is not limiting of the present embodiment, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but are protected by patent laws within the scope of the claims of the present embodiment.

Referring to the drawings, the utility model provides the following technical scheme: the utility model provides a more stable electric leakage circuit breaker breaks circuit, includes base 1, operating device 2 and upper cover 3, base 1 with upper cover 3 is connected, operating device 2 is located base 1 with upper cover 3 is between, operating device 2 includes support 201, trip assembly 202, hasp 203, return 204 and operation main part 205, support 201 is equipped with two first side plates 2011, return 204 is to the effort of hasp 203 back to trip assembly 202, hasp 203 includes hinge 2031 and baffle 2032 that is located its top in its bottom, hinge 2031 is articulated with it between two first side plates 2011, baffle 2032 is located the top of hinge 2031 is facing away from the one side of support 201, the width of baffle 2032 is greater than two first side plates 2011's interval, trip assembly 202 is located the position between two first side plates 2011 on baffle 2032 is exerted the effort of its back to support 201.

So set up, the hasp 203 can tightly press in one side of support 201 under the effect of reset piece 204 during the use, at this moment hinge piece 2031 can insert in two first side plates 2011, the jump of operation main part 205 detains just can detain at hinge piece 2031's top, hinge piece 2031 can play an abutment effect, when the protection of electric leakage triggering circuit break, tripping assembly 202 just can receive the signal, exert a effort that is directed against support 201 to baffle 2032 and pull out it, whole hasp 203 just can be driven by this effort around its articulated shaft swing between two first side plates 2011 after the baffle 2032 atress, hinge piece 2031 can also be pulled out together between two first side plates 2011 like this, jump knot no longer has the butt, just so can spring out and accomplish the circuit break, because the position that the latch 203 subassembly applyed effort is located between two first side plates 2011, just that baffle 2032's intermediate position, the effort can evenly spread to the left and right sides, so latch 203 can not unilateral when swinging, can not block, the main part 202 is more stable, and the space is no longer used for setting up the space occupation by the tripping assembly to the side of other side of the side, the space occupation of tripping assembly.

In this embodiment, the trip assembly 202 includes a trip coil 2021 and a movable iron core 2022, a driving hole 20321 is disposed at a position between the two first side plates 2011 of the baffle 2032, a driving cover 20221 having a section larger than that of the driving hole 20321 is disposed at an end of the movable iron core 2022 facing the support 201, and the trip coil 2021 controls the movable iron core 2022 to slide reciprocally toward the support 201.

So set up, trip coil 2021 is the electro-magnet promptly, and the iron core 2022 will insert one end in trip coil 2021 after the installation and the other end is inserted in drive hole 20321, and drive lid 20221 also can be in this side, then when taking place the electric leakage phenomenon, trip coil 2021 received the signal of telecommunication, produced magnetic force, will move iron core 2022 and inhale, move iron core 2022 just can be pulled out away from support 201, and the drive lid 20221 that the cross-section is great pulls whole hasp 203 in drive hole 20321 in the extraction process, simple structure.

In this embodiment, the driving hole 20321 is preferably formed through the opening of the top surface of the baffle 2032.

So set up, the open top of drive hole 20321 sets up like this and moves iron core 2022 and can accomplish the installation by pressing down from its top, easy dismounting.

In this embodiment, preferably, two second side plates 20322 are disposed on two sides of the baffle 2032 corresponding to the positions of the two first side plates 2011.

So arranged, the second side plate 20322 can abut against the corresponding first side plate 2011, so as to increase the space between the baffle 2032 and the bracket 201, and thus the space between the driving cover 20221 and the jump buckle can be increased, and the existence of the driving cover 20221 does not affect the operation of the jump buckle.

In this embodiment, preferably, the distance from the end surface of the side of the baffle 2032 facing away from the support 201 to the support 201 is greater than the distance from the end surface of the side of the hinge block 2031 facing away from the support 201 to the support 201.

By this arrangement, the space between the baffle 2032 and the bracket 201 is further increased, so that the space between the driving cover 20221 and the jump button is increased, and the existence of the driving cover 20221 does not affect the operation of the jump button.

In this embodiment, preferably, the restoring member 204 is a torsion spring, and the restoring member 204 is sleeved outside the hinge shaft of the lock 203 to apply an acting force to the lock 203.

The two ends of the torsion spring can be respectively abutted against the bottom of the support 201 and the lock catch 203, so that the restoring force of the torsion spring can constantly apply acting force to the lock catch 203 to enable the torsion spring to be clung to the support 201, and the structure is simple.

In this embodiment, preferably, a reset groove 20311 is formed on a side of the hinge block 2031 facing the first side plate 2011, and the reset piece 204 is located in the reset groove 20311.

So set up, can place the torsional spring in the position of reset groove 20311 then insert the articulated lever again, the one end of torsional spring just like this is supported at the top of reset groove 20311, can not expose outside, and is more stable, simple to operate.

In this embodiment, the reset groove 20311 is provided with a positioning table 20312 disposed around the hinge position of the hinge block 2031, and the outer diameter of the positioning table 20312 is adapted to the inner diameter of the reset element 204.

So set up, can overlap torsion spring on locating platform 20312 earlier before the installation, then insert the hinge rod again with hasp 203 to the corresponding position on the support 201, it is more convenient to install, the torsional spring is more stable.

In this embodiment, preferably, a hook slot 20313 is formed on a side of the hinge block 2031 facing away from the support 201, and is communicated with the reset slot 20311.

So arranged, the torsion spring can be selected to have a cross bar parallel to the axial direction on both sides of the torsion spring, and the cross bar can be placed in the hooking groove 20313, so that the torsion spring is more stable.

Although the present utility model has been described in detail with reference to the foregoing embodiments, the scope of the present utility model is not limited thereto, and any person skilled in the art who is skilled in the art to which the present utility model pertains should make equivalents and modifications according to the technical scheme of the present utility model and the inventive concept thereof within the scope of the present utility model.

Claims (9)

1. The utility model provides a more stable electric leakage circuit breaker breaks circuit, includes base, operating device and upper cover, the base with the upper cover is connected, operating device is located the base with between the upper cover, operating device includes support, trip assembly, hasp, reset piece and operation main part, the support is equipped with two first curb plates, reset piece is right the hasp is applyed dorsad trip assembly's effort, its characterized in that: the lock catch comprises a hinge block positioned at the bottom of the lock catch and a baffle positioned at the top of the lock catch, the lock catch is hinged between the two first side plates, the baffle is positioned at one side of the top of the hinge block, which is opposite to the support, the width of the baffle is larger than the distance between the two first side plates, and the trip assembly is positioned between the two first side plates on the baffle to apply acting force opposite to the support.

2. The more stable breaking residual current circuit breaker according to claim 1, characterized in that: the tripping assembly comprises a tripping coil and a movable iron core, a driving hole is formed in the position, between the two first side plates, of the baffle, a driving cover with the section larger than that of the driving hole is arranged at one end, facing the support, of the movable iron core, and the tripping coil controls the movable iron core to slide back and forth in the direction of the support.

3. The more stable breaking residual current circuit breaker according to claim 2, characterized in that: the driving hole penetrates through the opening of the top surface of the baffle plate.

4. The more stable breaking residual current circuit breaker according to claim 2, characterized in that: two sides of the baffle are respectively provided with a second side plate corresponding to the positions of the two first side plates.

5. The more stable breaking residual current circuit breaker according to claim 2, characterized in that: the distance from the end face of one side of the baffle, which is away from the bracket, to the bracket is greater than the distance from the end face of one side of the hinge block, which is away from the bracket, to the bracket.

6. The more stable breaking residual current circuit breaker according to claim 1, characterized in that: the reset piece is a torsion spring, and the reset piece is sleeved outside the hinge shaft of the lock catch to apply acting force to the lock catch.

7. The more stable breaking residual current circuit breaker according to claim 6, characterized in that: the hinge block is provided with a reset groove facing one side of the first side plate, and the reset piece is positioned in the reset groove.

8. The more stable breaking residual current circuit breaker according to claim 7, characterized in that: the reset groove is provided with a positioning table which is arranged around the hinge position of the hinge block, and the outer diameter of the positioning table is matched with the inner diameter of the reset piece.

9. The more stable breaking residual current circuit breaker according to claim 7, characterized in that: and a hook groove communicated with the reset groove is formed in one side of the hinge block, which is opposite to the support.