CN218957652U

CN218957652U - Novel leakage circuit breaker

Info

Publication number: CN218957652U
Application number: CN202223408385.4U
Authority: CN
Inventors: 张丰乾
Original assignee: Inner Mongolia Caoxian Technology Co ltd
Current assignee: Inner Mongolia Caoxian Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-02
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a novel residual current circuit breaker, which comprises a circuit breaker body, wherein the front side and the rear side of the circuit breaker body are respectively provided with a wire inserting groove, the top of an inner cavity of the wire inserting groove is connected with a clamping screw through threads, the bottom of the clamping screw is movably connected with a clamping plate, the left side and the right side of the circuit breaker body are respectively connected with a positioning mechanism through bolts, the inner cavity of the positioning mechanism is inserted with a protection mechanism, the front side and the rear side of the circuit breaker body are respectively welded with an anti-falling mechanism, four corners of the circuit breaker body are respectively welded with a positioning plate, the top of the surface of the positioning plate is provided with a positioning hole, and the top of the clamping screw is welded with a rotating plate. The utility model has the advantage of anti-drop function through the cooperation of the threaded rod, the guide sliding rod, the movable block and the anti-drop plate, and can clamp and fix the cable, so that the cable is prevented from being separated from the wiring end of the circuit breaker after being pulled by external force.

Description

Novel leakage circuit breaker

Technical Field

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

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, electric equipment can only be connected to the load side of the leakage circuit breaker, one end of the electric equipment is not allowed to be connected to the load side, and the other end of the electric equipment is connected to the power supply side.

The utility model patent of patent application publication number CN215496602U discloses an electric leakage breaker, wherein the electric leakage breaker comprises a breaker module, an electric leakage release module and a current transformer module, any module is provided with a shell, and all modules are detachably assembled into a whole through splicing structures arranged on the respective shells; a circuit board is arranged in the shell of the leakage release; the circuit board extends to the inside of the shell of the current transformer has a lead welding plate, and after the lead welding plate for wiring is exposed outside the shell of the leakage release module, the lead welding plate can be assembled in any mode as required, after assembly, the lead of the transformer is installed with the lead welding plate, the flexibility of installation and disassembly of the structure is higher, the maintenance is facilitated, the size of the shell of the leakage release module can be reduced, the size of the whole leakage circuit breaker is further reduced relatively, and the production cost is reduced.

However, the device still has some defects when in actual use, and obviously has no cable anti-drop function, and because the leakage circuit breaker can be used on the construction site, the use environment of the construction site is complex, people easily trip the cable when carrying objects and walk, the cable stress is easy to separate from the connection end of the circuit breaker, the power failure and the electric leakage occur, and most of the leakage circuit breaker is exposed to the outside for use in the use process, and the leakage circuit breaker has no functions of dust prevention and collision prevention and is easy to damage.

Therefore, it is necessary to invent a novel earth leakage breaker to solve the above problems.

Disclosure of Invention

The utility model aims to provide a novel residual current circuit breaker which has the function of preventing a cable from falling off, prevents the cable from being separated from the circuit breaker by external force, has the functions of dust prevention and collision prevention, prolongs the service life, and solves the problems that the novel residual current circuit breaker does not have the function of preventing the cable from falling off, is easily separated from the circuit breaker by external force, does not have the functions of dust prevention and collision prevention and is easy to damage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel electric leakage circuit breaker, includes the circuit breaker body, the slot has all been seted up to the front and back both sides of circuit breaker body, threaded connection has the centre gripping screw to run through at the top of slot inner chamber, the bottom swing joint of centre gripping screw has the grip block, there is positioning mechanism all through bolted connection in the left and right sides of circuit breaker body, positioning mechanism's inner chamber grafting has protection machanism, the front and back both sides of circuit breaker body all weld and have anticreep mechanism.

Preferably, the four corners of the breaker body are welded with positioning plates, positioning holes are formed in the tops of the surfaces of the positioning plates, and rotating plates are welded at the tops of the clamping screws.

Preferably, the protection mechanism comprises a protection cover shell, the right side of the top of the protection cover shell is movably connected with a cover plate through a hinge, plug boards are welded on the left side and the right side of the protection cover shell, and a positioning groove is formed in one side, far away from the protection cover shell, of the plug boards.

Preferably, the positioning mechanism comprises a plug-in shell, the opposite sides of the left plug-in shell and the right plug-in shell are welded with fixed shells, an inner cavity of the fixed shells is slidably connected with a sliding plate, one side of the sliding plate, which is far away from the plug-in shell, is fixedly connected with a pull rod and a positioning spring respectively, one side of the sliding plate, which is far away from the pull rod, is welded with a positioning pin, and one side of the positioning pin, which is far away from the sliding plate, penetrates through the inner cavity of the plug-in shell.

Preferably, one side of the pull rod far away from the sliding plate penetrates through the outer side of the fixed shell and is fixedly connected with the pull plate, and one side of the locating pin far away from the sliding plate is provided with a chamfer.

Preferably, the anti-disengaging mechanism comprises a threaded rod and a guide sliding rod, wherein the left side and the right side of the surface of the threaded rod and the surface of the guide sliding rod are both welded with movable blocks, an anti-disengaging plate is welded between the upper movable block and the lower movable block, left-handed threads and right-handed threads are respectively formed in the left side and the right side of the surface of the threaded rod, the surface of the threaded rod is in threaded connection with the movable blocks at the top, the surface of the guide sliding rod is in sliding connection with the movable blocks at the bottom, the joint of the surface of the threaded rod and the circuit breaker body is in movable connection through a bearing, and a rotating handle is fixedly connected to the left side of the threaded rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model has the advantage of anti-drop function through the cooperation of the threaded rod, the guide sliding rod, the movable block and the anti-drop plate, and can clamp and fix the cable, so that the cable is prevented from being separated from the wiring end of the circuit breaker after being pulled by external force.

2. The circuit breaker has the advantage of protecting function through the cooperation of the protection mechanism, the plug-in shell, the fixed shell, the positioning spring, the pull rod and the positioning pin, can protect the circuit breaker, prevents dust from falling into the circuit breaker, and simultaneously prevents the dust from being impacted by foreign objects.

Drawings

FIG. 1 is an isometric view of a construction of the present utility model;

FIG. 2 is an isometric view of the present novel protective mechanism;

FIG. 3 is a cross-sectional isometric view of the positioning mechanism of the present utility model;

FIG. 4 is an open schematic view of the protective housing of the present utility model;

fig. 5 is an isometric view of the circuit breaker body of the present utility model.

In the figure: the circuit breaker comprises a circuit breaker body 1, a positioning plate 2, a positioning mechanism 3, a plug wire slot 4, an anti-drop mechanism 5, a protection mechanism 6, a plug board 7, a protection housing 8, a cover plate 9, a positioning slot 10, a plug shell 11, a fixed housing 12, a positioning spring 13, a pull rod 14, a positioning pin 15, a sliding plate 16, a rotating plate 17, a threaded rod 18, a guiding slide rod 19, a movable block 20, an anti-drop plate 21, a rotating handle 22, a clamping plate 23 and a clamping screw 24.

Detailed Description

Referring to fig. 1-5, a novel residual current circuit breaker comprises a circuit breaker body 1, wherein a wire inserting groove 4 is formed in the front side and the rear side of the circuit breaker body 1, a clamping screw 24 penetrates through the top of the inner cavity of the wire inserting groove 4 and is connected with a clamping screw 24 in a threaded manner, a clamping plate 23 is movably connected with the bottom of the clamping screw 24, the left side and the right side of the circuit breaker body 1 are connected with a positioning mechanism 3 through bolts, a protection mechanism 6 is inserted into the inner cavity of the positioning mechanism 3, and a release preventing mechanism 5 is welded on the front side and the rear side of the circuit breaker body 1;

the four corners of the breaker body 1 are welded with the locating plates 2, locating holes are formed in the tops of the surfaces of the locating plates 2, the tops of the clamping screws 24 are welded with the rotating plates 17, and the locating plates 2 are arranged to have locating and installing functions, so that the problem that the breaker cannot be installed is solved;

the protection mechanism 6 comprises a protection housing 8, the right side of the top of the protection housing 8 is movably connected with a cover plate 9 through a hinge, the left side and the right side of the protection housing 8 are both welded with a plugboard 7, one side of the plugboard 7 away from the protection housing 8 is provided with a positioning groove 10, and the protection housing 8 is provided with a function of conveniently operating the circuit breaker by arranging the cover plate 9, so that the problem that the circuit breaker can be operated only by opening the protection housing 8 is solved;

the positioning mechanism 3 comprises a plug-in shell 11, wherein a fixed shell 12 is welded on the opposite sides of the left plug-in shell 11 and the right plug-in shell 11, a sliding plate 16 is slidably connected in the inner cavity of the fixed shell 12, a pull rod 14 and a positioning spring 13 are fixedly connected on one side of the sliding plate 16 away from the plug-in shell 11 respectively, a positioning pin 15 is welded on one side of the sliding plate 16 away from the pull rod 14, and one side of the positioning pin 15 away from the sliding plate 16 penetrates through the inner cavity of the plug-in shell 11;

one side of the pull rod 14 far away from the sliding plate 16 penetrates through the outer side of the fixed shell 12 and is fixedly connected with the pull plate, and one side of the positioning pin 15 far away from the sliding plate 16 is provided with a chamfer angle;

the anti-disengaging mechanism 5 comprises a threaded rod 18 and a guide slide rod 19, wherein movable blocks 20 are welded on the left side and the right side of the surfaces of the threaded rod 18 and the guide slide rod 19, an anti-disengaging plate 21 is welded between the upper movable block 20 and the lower movable block 20, left-handed threads and right-handed threads are respectively formed on the left side and the right side of the surface of the threaded rod 18, the surface of the threaded rod 18 is in threaded connection with the movable blocks 20 on the top, the surface of the guide slide rod 19 is in sliding connection with the movable blocks 20 on the bottom, the joint of the surface of the threaded rod 18 and the circuit breaker body 1 is in movable connection through a bearing, a rotating handle 22 is fixedly connected on the left side of the threaded rod 18, and the anti-disengaging plate 21 is prevented from moving unstably by setting the guide slide rod 19.

During the use, the cable conductor inserts respectively in the wiring duct 4 of both sides around circuit breaker body 1, and rotate clamping screw 24 and promote grip block 23 to carry out the centre gripping fixed to the cable conductor end, the threaded rod 18 of both sides around clockwise rotation respectively after the fixed completion, threaded rod 18 drives the movable block 20 relative movement of the left and right sides of surface, movable block 20 drives two anticreep boards 21 relative movement about every wiring duct 4 opening part and carries out the location to the cable conductor in the centre, when the cable conductor receives external force to drag like this, because control two anticreep boards 21 fix the cable conductor, can not atress between the end of cable conductor and grip block 23 like this, consequently, the end of cable conductor can not follow grip block 23 bottom and break away from, so have the anticreep function, avoid the cable conductor to break from breaking off from circuit breaker body 1, avoid appearing the problem of electric leakage and outage, insert the plug board 11 of plug board 8 four corners into plug housing 11, then press down forcefully and make plug board 7 insert plug board 11 in plug housing 11 in the in-process of plug board 11 release locating pin 15 plug housing 11, slide plate 16 carries out the plug board 16 simultaneously and carries out the locating housing 11, can avoid the plug board 1 to take place the life-in housing 1 to be damaged through the compression spring 13, the plug board 1 is installed to the plug board 1, the end of cable conductor can be broken down, the end of the protection device 1 is broken, the protection device is broken down can be avoided in the inside the protection device 1, the protection device is broken down, and the life is protected and the protection device 1 is installed in the inside the protection device is broken down through the plug board 1, and can be broken down and the inside the protection device is completely inside the plug board 1 is installed in the plug board 1 is completely is installed in the plug 13.

To sum up: this novel electric leakage circuit breaker uses through threaded rod 18, direction slide bar 19, anticreep board 21, protection machanism 6, grafting shell 11, fixed shell 12, positioning spring 13, pull rod 14 and locating pin 15's cooperation, has solved not possessing the cable conductor anticreep function, receives external force to break away from the circuit breaker easily, does not possess dustproof and crashproof function, the problem of damaging easily.

Claims

1. The utility model provides a novel electric leakage circuit breaker, includes circuit breaker body (1), its characterized in that: the circuit breaker is characterized in that the front side and the rear side of the circuit breaker body (1) are respectively provided with a wire inserting groove (4), the top of the inner cavity of the wire inserting groove (4) is connected with a clamping screw (24) through threads, the bottom of the clamping screw (24) is movably connected with a clamping plate (23), the left side and the right side of the circuit breaker body (1) are respectively connected with a positioning mechanism (3) through bolts, the inner cavity of the positioning mechanism (3) is inserted with a protection mechanism (6), and the front side and the rear side of the circuit breaker body (1) are respectively welded with a release preventing mechanism (5).

2. The novel residual current circuit breaker according to claim 1, wherein: the four corners of circuit breaker body (1) all weld locating plate (2), locating hole has been seted up at the top on locating plate (2) surface, the top welding of clamping screw (24) has revolving plate (17).

3. The novel residual current circuit breaker according to claim 1, wherein: the protection mechanism (6) comprises a protection housing (8), the right side at the top of the protection housing (8) is movably connected with a cover plate (9) through a hinge, plug boards (7) are welded on the left side and the right side of the protection housing (8), and a positioning groove (10) is formed in one side, far away from the protection housing (8), of the plug boards (7).

4. The novel residual current circuit breaker according to claim 1, wherein: positioning mechanism (3) are including grafting shell (11), and two opposite sides of grafting shell (11) all weld fixed shell (12) about, the inner chamber sliding connection of fixed shell (12) has sliding plate (16), one side that sliding plate (16) kept away from grafting shell (11) is fixedly connected with pull rod (14) and positioning spring (13) respectively, one side welding that sliding plate (16) kept away from pull rod (14) has locating pin (15), one side that sliding plate (16) was kept away from to locating pin (15) runs through to the inner chamber of grafting shell (11).

5. The novel residual current circuit breaker according to claim 4, wherein: one side of the pull rod (14) far away from the sliding plate (16) penetrates through the outer side of the fixed shell (12) and is fixedly connected with the pull plate, and one side of the positioning pin (15) far away from the sliding plate (16) is provided with a chamfer.

6. The novel residual current circuit breaker according to claim 1, wherein: the anti-drop mechanism (5) comprises a threaded rod (18) and a guide sliding rod (19), wherein movable blocks (20) are welded on the left side and the right side of the surface of the threaded rod (18) and the surface of the guide sliding rod (19), an anti-drop plate (21) is welded between the upper movable block and the lower movable block (20), left-handed threads and right-handed threads are respectively formed on the left side and the right side of the surface of the threaded rod (18), the surface of the threaded rod (18) is in threaded connection with the movable block (20) on the top, the surface of the guide sliding rod (19) is in sliding connection with the movable block (20) on the bottom, the joint of the surface of the threaded rod (18) and the circuit breaker body (1) is in movable connection through a bearing, and a rotating handle (22) is fixedly connected to the left side of the threaded rod (18).