CN220796605U

CN220796605U - Leakage circuit breaker

Info

Publication number: CN220796605U
Application number: CN202322476544.2U
Authority: CN
Inventors: 陈明隆
Original assignee: Guangdong Gaogong Electric Power Co ltd
Current assignee: Guangdong Gaogong Electric Power Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-16
Anticipated expiration: 2033-09-13

Abstract

The utility model belongs to the technical field of electric leakage circuit breakers, in particular to an electric leakage circuit breaker which comprises a shell, wherein the front surface of the shell is rotationally connected with a cover plate, the front surface of the cover plate is fixedly connected with an observation window, two sides of the cover plate are provided with radiating holes, the back surface of the shell is provided with a mounting shell, two sides of the mounting shell are fixedly connected with mounting plates, the inside of the mounting shell is provided with a buckling mechanism, a placing mechanism is jointly arranged between the inside of the mounting shell and the back surface of the shell, the bottom of the shell is fixedly connected with a wiring terminal, the bottom end of the wiring terminal is fixedly connected with a wire, the front surface of the shell is rotationally connected with a tripping switch, the front surface of the mounting shell is provided with a radiating groove, and the placing mechanism comprises a placing block; the circuit breaker can be conveniently detached and installed through the arrangement of the clamping mechanism and the placement mechanism, the circuit breaker is convenient and quick to use, and the maintenance or repair efficiency of the circuit breaker is improved.

Description

Leakage circuit breaker

Technical Field

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

Background

The leakage breaker is a device capable of rapidly cutting off a circuit when the circuit is leaked, and preventing an electric shock accident or damage to electrical equipment. The electric leakage circuit breaker can be generally divided into an integrated electric leakage circuit breaker and an assembled electric leakage circuit breaker, wherein the assembled electric leakage circuit breaker comprises a circuit breaker body and an electric leakage accessory, the electric leakage accessory can be directly assembled on the circuit breaker body for use, adjustment or modification to the circuit breaker body is not needed, and the operation is convenient and fast, so that the assembled electric leakage circuit breaker is widely applied.

One chinese patent of chinese patent application CN207800522U discloses a leakage breaker, which is pulled by a tension spring to quickly break when breaking, so that the use effect is better. Further, the electric leakage tripping mechanism of the electric leakage breaker is simple in structure and convenient to use.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: the existing leakage circuit breaker is usually fixed and connected with a position to be used through bolts, so that the existing leakage circuit breaker can be detached only by sequentially detaching a plurality of screws during overhauling, the disassembly speed is low, and the overhauling and maintenance efficiency is affected; therefore, an earth leakage breaker is proposed to solve the above-described problems.

Disclosure of utility model

In order to make up the defects in the prior art, the problems that the electric leakage breaker is usually fixed and connected with a position to be used through bolts, and a plurality of screws are required to be detached in sequence to carry out maintenance when the electric leakage breaker is overhauled, the disassembly speed is low, and the maintenance efficiency is affected are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses an electric leakage breaker which comprises a shell, wherein the front surface of the shell is rotationally connected with a cover plate, the front surface of the cover plate is fixedly connected with an observation window, two sides of the cover plate are provided with radiating holes, the back surface of the shell is provided with a mounting shell, two sides of the mounting shell are fixedly connected with mounting plates, a clamping mechanism is arranged in the mounting shell, a placing mechanism is jointly arranged between the inside of the mounting shell and the back surface of the shell, the bottom of the shell is fixedly connected with a wiring terminal, the bottom of the wiring terminal is fixedly connected with a wire, the front surface of the shell is rotationally connected with a tripping switch, the front surface of the mounting shell is provided with a radiating groove, the placing mechanism comprises a placing block, the placing block is fixedly connected with the back surface of the shell, two sides of the bottom of the placing block are fixedly connected with positioning strips, the top of the placing block is fixedly connected with a first magnetic block, the top of the placing block is provided with a clamping groove, the mounting plate is used for fixing the mounting shell at a required position, and then the mounting shell and the mounting shell are jointly arranged between the mounting shell and the mounting shell, the tripping switch is fixedly connected with the bottom of the mounting plate, a wiring terminal is fixedly connected with the wire, and the wiring terminal through the clamping mechanism, a radiating groove is used for protecting the tripping switch, and a radiator, and a service life of a circuit can be prolonged, and a service life can be prolonged, and a circuit can be damaged by using the radiator.

Preferably, the placement mechanism further comprises an opening, the opening is formed in the front face of the installation shell, the placement plate is fixedly connected with the inside of the installation shell and located on the top side and the bottom side of the opening, the placement plate is located on the bottom side, a positioning groove is formed in the top of the placement plate, and the positioning strip is slidably connected to the inside of the positioning groove.

Preferably, be located the top the bottom fixedly connected with second magnetic path of placing the board, the magnetism of second magnetic path is opposite with the magnetism of first magnetic path, and the position top side place the through-hole has been seted up on the surface of board, the through-hole is located the topside of draw-in groove, places the alignment between casing and the installation shell through placing the mechanism, will place the piece at first and place between the board through the opening to peg graft the inside of constant head tank with the location strip, can make draw-in groove and fixture block on same vertical face from this to through the inter attraction between first magnetic path and the second magnetic path, can reach temporarily to attract the casing with place between the board, prevent the unexpected landing of casing, later rethread buckle mechanism carries out the joint fixedly.

Preferably, the buckle mechanism comprises a chute, the chute is arranged on the inner wall of the installation shell, a sliding block is connected inside the chute in a sliding manner, and a connecting plate is fixedly connected to one side of the sliding block.

Preferably, the bottom fixedly connected with fixture block of connecting plate, the bottom of fixture block passes the through-hole and joint in the inside of draw-in groove, the top fixedly connected with connecting rod of connecting plate, the top of connecting rod passes the inner wall of installation shell and fixedly connected with handle.

Preferably, the top of connecting plate and the inside roof of installation shell between common elastic connection have support tight spring, just support tight spring cover and locate the outside of connecting rod, can conveniently pull down and install the circuit breaker through buckle mechanism and placement machine's setting, convenient to use is swift, has improved the maintenance or maintenance efficiency to the circuit breaker.

The utility model has the advantages that:

1. According to the utility model, through the arrangement of the buckling mechanism and the placement mechanism, the connecting plate is driven to move downwards under the pushing of the abutting spring, and meanwhile, the sliding block slides downwards in the sliding groove, so that the clamping block moves downwards until the bottom end of the clamping block passes through the through hole and is clamped with the clamping groove, the placement block is fixed, namely, the shell can be fixed on the front surface of the installation shell, when the installation shell is detached, the handle is pulled upwards, the connecting plate is driven to move upwards by the handle through the connecting rod, so that the clamping block moves upwards until the clamping block is separated from the clamping groove, and then the placement block is pulled out from the two placement plates, so that the shell is taken out, the circuit breaker can be conveniently detached and installed through the arrangement of the buckling mechanism and the placement mechanism, the installation is convenient and quick to use, and the overhaul or maintenance efficiency of the circuit breaker is improved.

2. According to the utility model, through the arrangement of the cover plate, the heat radiating holes and the heat radiating grooves, the trip switch can be protected through the cover plate, the damage of the shell caused by external collision is prevented, the heat generated in the shell can be dissipated through the heat radiating holes and the heat radiating grooves, the damage of high temperature to the shell is prevented, and the service life of the circuit breaker is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used 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 utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an open structure of a cover plate according to the present utility model;

FIG. 3 is a schematic view of the back structure of the housing of the present utility model;

FIG. 4 is a schematic view of the front structure of the mounting housing of the present utility model;

FIG. 5 is a side cross-sectional view of the entirety of the present utility model;

fig. 6 is a schematic structural view of the fastening mechanism of the present utility model.

In the figure: 1. a housing; 2. a cover plate; 3. an observation window; 4. a heat radiation hole; 5. a mounting shell; 6. a mounting plate; 7. a buckle mechanism; 71. a chute; 72. a slide block; 73. a connecting plate; 74. a clamping block; 75. a connecting rod; 76. a handle; 77. a pressing spring; 8. a placement mechanism; 81. placing a block; 82. a positioning strip; 83. a first magnetic block; 84. a clamping groove; 85. an opening; 86. placing a plate; 87. a positioning groove; 88. a second magnetic block; 89. a through hole; 9. a terminal; 10. a wire; 11. a trip switch; 12. a heat sink.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an electric leakage breaker comprises a housing 1, the front of the housing 1 is rotationally connected with a cover plate 2, the front of the cover plate 2 is fixedly connected with an observation window 3, heat dissipation holes 4 are formed in two sides of the cover plate 2, a mounting shell 5 is arranged on the back of the housing 1, mounting plates 6 are fixedly connected to two sides of the mounting shell 5, a clamping mechanism 7 is arranged in the mounting shell 5, a placing mechanism 8 is jointly arranged between the inside of the mounting shell 5 and the back of the housing 1, a wiring terminal 9 is fixedly connected to the bottom of the housing 1, a wire 10 is fixedly connected to the bottom of the wiring terminal 9, a trip switch 11 is rotationally connected to the front of the housing 1, a heat dissipation groove 12 is formed in the front of the mounting shell 5, the placing mechanism 8 comprises a placing block 81, the placing block 81 is fixedly connected to the back of the housing 1, positioning strips 82 are fixedly connected to the two sides of the bottom of the placing block 81, a first magnetic block 83 is fixedly connected to the top of the placing block 81, a clamping groove 84 is formed in the top of the placing block 81, the mounting plate 6 is used for fixing the mounting shell 5 at a required position, then the mounting shell 5 is fixedly arranged between the housing 1 and the mounting shell 5 through the clamping mechanism 7 and the placing mechanism 8, the wiring terminal 5, the trip switch 11 is fixedly connected to the wiring terminal 9, and the wire 10 can be prevented from being damaged by the heat dissipation groove 12 when the circuit breaker is used in the circuit breaker 1, and the circuit breaker is used for protecting the circuit breaker, and the circuit breaker is prevented from being damaged by the heat dissipation groove 1.

Wherein, placing mechanism 8 still includes opening 85, and opening 85 is offered in the front of installation shell 5, and the inside fixedly connected with of installation shell 5 places board 86, places board 86 and is located the top and the bottom of opening 85, and the constant head tank 87 has been offered at the top that is located the bottom and places board 86, and location strip 82 sliding connection is in the inside of constant head tank 87.

Wherein, be located the bottom fixedly connected with second magnetic path 88 of board 86 is placed to the topside, the magnetism of second magnetic path 88 is opposite with the magnetism of first magnetic path 83, through-hole 89 has been seted up on the surface of board 86 is placed to the position topside, through-hole 89 is located the topside of draw-in groove 84, when placing the alignment between with casing 1 and the installation shell 5 through placing mechanism 8, at first place the piece 81 through opening 85 between placing plate 86, and peg graft the inside of constant head tank 87 with location strip 82, can make draw-in groove 84 and fixture block 74 on same vertical face, and through the mutual attraction between first magnetic path 83 and the second magnetic path 88, can reach and attract casing 1 and place between the board 86 temporarily, prevent the unexpected landing of casing 1, later rethread buckle mechanism 7 carries out the joint fixedly.

The fastening mechanism 7 includes a sliding groove 71, the sliding groove 71 is formed in the inner wall of the installation shell 5, a sliding block 72 is slidably connected in the sliding groove 71, and a connecting plate 73 is fixedly connected to one side of the sliding block 72.

Wherein, the bottom fixedly connected with fixture block 74 of connecting plate 73, the bottom of fixture block 74 passes through-hole 89 and joint in the inside of draw-in groove 84, and the top fixedly connected with connecting rod 75 of connecting plate 73, the inner wall of installation shell 5 is passed on the top of connecting rod 75 and fixedly connected with handle 76.

Wherein, the top of connecting plate 73 and the inside roof of installation shell 5 are jointly elastic connection have to support tight spring 77, and support tight spring 77 cover and locate the outside of connecting rod 75, carry out the joint fixedly through buckle mechanism 7, drive connecting plate 73 downwardly moving under the promotion of supporting tight spring 77, simultaneously slider 72 is in the inside downwardly sliding of spout 71, thereby fixture block 74 downwardly moving, until the bottom of fixture block 74 passes through hole 89 and with the draw-in groove 84 joint, and then make the piece 81 of placing be fixed, can make casing 1 be fixed in the front of installation shell 5, during the dismantlement, through upwards pulling handle 76, handle 76 passes through connecting rod 75 and drives connecting plate 73 upward movement, thereby make fixture block 74 upward movement, until break away from between fixture block 74 and the draw-in groove 84, then will place the piece 81 and draw-out from two placement plates 86 again, thereby make casing 1 take out.

Working principle: the mounting shell 5 is fixed at a required position through the mounting plate 6, then the shell 1 and the mounting shell 5 are fixed through the buckling mechanism 7 and the placing mechanism 8, the trip switch 11 can be protected through the cover plate 2, heat generated in the shell 1 can be dissipated through the heat dissipation holes 4 and the heat dissipation grooves 12, the shell 1 is prevented from being damaged by high temperature, the service life of the circuit breaker is prolonged, and the circuit breaker is connected into a circuit through the wiring terminal 9 and the lead 10 when the circuit breaker is used;

When the shell 1 and the installation shell 5 are placed and aligned through the placement mechanism 8, firstly, the placement block 81 is placed between the placement plates 86 through the opening 85, and the positioning strip 82 is inserted into the positioning groove 87, so that the clamping groove 84 and the clamping block 74 are on the same vertical surface, the shell 1 and the placement plates 86 can be temporarily attracted through the mutual attraction between the first magnetic block 83 and the second magnetic block 88, the shell 1 is prevented from sliding accidentally, and then the clamping block is clamped and fixed through the clamping mechanism 7;

When the clamping mechanism 7 is used for clamping and fixing, the connecting plate 73 is driven to move downwards under the pushing of the abutting spring 77, meanwhile, the sliding block 72 slides downwards in the sliding groove 71, the clamping block 74 moves downwards until the bottom end of the clamping block 74 passes through the through hole 89 and is clamped with the clamping groove 84, the placing block 81 is fixed, namely, the shell 1 can be fixed on the front face of the installation shell 5, when the circuit breaker is detached, the handle 76 drives the connecting plate 73 to move upwards through the connecting rod 75 through the handle 76, the clamping block 74 moves upwards until the clamping block 74 is separated from the clamping groove 84, the placing block 81 is pulled out from the two placing plates 86, the shell 1 is taken out, the circuit breaker can be conveniently detached and installed through the arrangement of the clamping mechanism 7 and the placing mechanism 8, and the circuit breaker maintenance or repair efficiency is improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides an electric leakage circuit breaker, includes casing (1), its characterized in that: the utility model discloses a magnetic switch, including casing (1), front rotation of casing (1) is connected with apron (2), front fixedly connected with observation window (3) of apron (2), louvre (4) have been seted up to the both sides of apron (2), the back of casing (1) is provided with mounting shell (5), the both sides fixedly connected with mounting panel (6) of mounting shell (5), the inside of mounting shell (5) is provided with buckle mechanism (7), be provided with positioning mechanism (8) jointly between the inside of mounting shell (5) and the back of casing (1), the bottom fixedly connected with wiring end (9) of casing (1), the bottom fixedly connected with wire (10) of wiring end (9), the front rotation of casing (1) is connected with tripping operation switch (11), heat dissipation groove (12) have been seted up to the front of mounting shell (5), positioning mechanism (8) are including placing block (81), placing block (81) fixedly connected with the back of casing (1), the bottom both sides fixedly connected with location strip (82) of placing block (81), placing block (81) are equipped with top (84), and top (81) are equipped with magnetic switch (81).

2. The earth leakage breaker according to claim 1, characterized in that: the placement mechanism (8) further comprises an opening (85), the opening (85) is formed in the front face of the installation shell (5), a placement plate (86) is fixedly connected to the inside of the installation shell (5), the placement plate (86) is located on the top side and the bottom side of the opening (85), a positioning groove (87) is formed in the top of the placement plate (86) and located on the bottom side, and the positioning strip (82) is connected to the inside of the positioning groove (87) in a sliding mode.

3. The earth leakage breaker according to claim 2, characterized in that: the bottom of placing board (86) is located the top side fixedly connected with second magnetic path (88), the magnetism of second magnetic path (88) is opposite with the magnetism of first magnetic path (83), and through-hole (89) have been seted up to the position top side place the surface of board (86), through-hole (89) are located the top side of draw-in groove (84).

4. The earth leakage breaker according to claim 1, characterized in that: the buckling mechanism (7) comprises a sliding groove (71), the sliding groove (71) is formed in the inner wall of the installation shell (5), a sliding block (72) is connected inside the sliding groove (71) in a sliding mode, and a connecting plate (73) is fixedly connected to one side of the sliding block (72).

5. The earth leakage breaker according to claim 4, wherein: the bottom fixedly connected with fixture block (74) of connecting plate (73), the bottom of fixture block (74) passes through-hole (89) and joint in the inside of draw-in groove (84), the top fixedly connected with connecting rod (75) of connecting plate (73), the inner wall and fixedly connected with handle (76) of inner wall of installation shell (5) are passed on the top of connecting rod (75).

6. The earth leakage breaker according to claim 5, wherein: a supporting spring (77) is elastically connected between the top of the connecting plate (73) and the inner top wall of the mounting shell (5), and the supporting spring (77) is sleeved outside the connecting rod (75).