CN222507489U - Leakage circuit breaker - Google Patents
Leakage circuit breaker Download PDFInfo
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- CN222507489U CN222507489U CN202421260987.6U CN202421260987U CN222507489U CN 222507489 U CN222507489 U CN 222507489U CN 202421260987 U CN202421260987 U CN 202421260987U CN 222507489 U CN222507489 U CN 222507489U
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- fixedly connected
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- rod
- fixed frame
- leakage breaker
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Abstract
The utility model relates to the technical field of circuit protection and discloses an electric leakage breaker which comprises a shell, wherein a groove is formed in the top end of the inner rear side of the shell, a rotating rod is rotatably connected in the groove, a shell cover is fixedly connected to the front side of the rotating rod, torsion springs are arranged on the left side and the right side of the outer wall of the rotating rod, one end of each torsion spring is fixedly connected with one side of the inner side of the groove, the other end of each torsion spring is fixedly connected with one side of the shell cover, a push rod is fixedly connected to the bottom of the shell cover, a placing plate is fixedly connected to the inner side of the shell, and a tension spring is fixedly connected to the top end of the placing plate. According to the utility model, the limit fixation of the L-shaped plate can be released by unscrewing the bolt, and meanwhile, the tension spring can release the extruded force to drive the pressing plate to move upwards until the pressing plate contacts the normally closed contact, so that the embedded top cover is not required to be taken down to carry out the circuit breaking work of the circuit breaker, and the workload of workers can be reduced.
Description
Technical Field
The utility model relates to the technical field of circuit protection, in particular to an electric leakage breaker.
Background
An earth leakage breaker is an electrical protection device, also called a residual current circuit breaker, which is commonly used in residential, industrial and commercial buildings to detect an earth leakage condition in a circuit and rapidly cut off the circuit when the earth leakage occurs, to protect personal safety and to prevent a fire accident.
The main working principle of the leakage circuit breaker is to detect residual current in a circuit, and when the current exceeds a preset threshold value, the leakage circuit breaker can rapidly cut off the circuit to prevent the current from continuously flowing so as to reduce the electric shock risk and the fire hazard.
Through retrieval, chinese patent publication number is: CN203826310U discloses a leakage breaker, its structure includes insulating frame and locates the circuit breaker subassembly in the frame, the frame includes the base, covers the lower cover on the base and fastens the upper cover on the lower cover, be equipped with two at least micro-gap switches on the base, be equipped with the micro-gap button that can follow axial motion on the upper cover, micro-gap button is inconsistent with micro-gap switch, this utility model aims at providing a simple structure, easy maintenance, be convenient for do power frequency withstand voltage test and its internal circuit can not lead to circuit contact failure because of the metal shrapnel that tests, but the device is through inlaying the top cap in the upper cover exert pressure to the button, make micro-gap switch be in closed state, when circuit disconnection in the circuit breaker is required take down the top cap can, because the top cap is embedded in the upper cover, take out the top cap comparatively troublesome, thereby brought the work burden for the staff, can not satisfy user's demand.
Disclosure of utility model
In order to overcome the defects, the utility model provides an electric leakage breaker, and aims to solve the problem that the top cover of the electric leakage breaker is troublesome to detach in the prior art.
In order to achieve the purpose, the electric leakage breaker comprises a shell, wherein the top end of the inner rear side of the shell is provided with a groove, the inside of the groove is rotationally connected with a rotating rod, the front side of the rotating rod is fixedly connected with a shell cover, torsion springs are arranged on the left side and the right side of the outer wall of the rotating rod, one end of each torsion spring is fixedly connected with one side of the inside of the groove, the other end of each torsion spring is fixedly connected with one side of the shell cover, the bottom of the shell cover is fixedly connected with a push rod, the inner side of the shell is fixedly connected with a placing plate, the top end of the placing plate is fixedly connected with a tension spring, the top end of the tension spring is fixedly connected with a pressing plate, the upper side of the inner front end of the shell is fixedly connected with a normally closed contact, the front side of the top of the shell cover is fixedly connected with an L-shaped plate, the front side of the L-shaped plate is in threaded connection with a bolt, and the rear end of the bolt sequentially penetrates through the L-shaped plate and the shell, and the rear side of the shell is provided with a clamping mechanism.
Through the technical scheme, the embedded top cover does not need to be taken down to carry out the circuit breaker circuit breaking work, so that the workload of workers can be reduced, and the requirements of users can be met.
As a further description of the above technical solution:
The clamping mechanism comprises a fixed frame, the fixed frame is fixedly connected to the rear side of the shell, a plurality of clapboards are fixedly connected to the inner side of the fixed frame at equal intervals, open slots are formed in one side of the clapboards and the right side of the inner side of the fixed frame, a screw rod is rotatably connected to the right side of the rear end of the fixed frame, the front end of the screw rod penetrates through the corresponding open slots, a movable block is connected to the outer side of the screw rod in a threaded mode, a fixing rod is fixedly connected to the left end of the movable block, a plurality of clamping plates are arranged on the inner side of the fixed frame at equal intervals, and the left end of the fixing rod penetrates through the plurality of clamping plates in sequence.
Through above-mentioned technical scheme, can drive a plurality of splint removal simultaneously and press the fixed line, fixed line is comparatively simple to can improve the practicality of device.
As a further description of the above technical solution:
The front side of casing equidistance has offered a plurality of square grooves, and a plurality of the inside rotation in square groove is connected with same push switch.
Through the technical scheme, the work of the device can be conveniently controlled.
As a further description of the above technical solution:
The left side and the right side of the shell are fixedly connected with fixing plates, and the middle parts of the front sides of the two fixing plates are provided with mounting holes.
Through the technical scheme, the shell can be conveniently fixed at the position to be installed.
As a further description of the above technical solution:
the clamping mechanism further comprises holes, and a plurality of holes are respectively formed in the top of the fixed frame at equal intervals.
Through the technical scheme, the circuit can conveniently enter the space separated by the partition board in a separated mode, so that the circuit can be prevented from winding to influence the normal operation of subsequent overhaul work.
As a further description of the above technical solution:
The clamping mechanism further comprises rubber pads, and the rubber pads are respectively and fixedly connected to the rear sides of the corresponding clamping plates.
Through above-mentioned technical scheme, can further increase the friction between splint and the circuit, make it can place more stably.
As a further description of the above technical solution:
the inside of extension spring is provided with the gag lever post, the bottom of gag lever post and the top middle part fixed connection of placing the board.
Through above-mentioned technical scheme, can prevent that extension spring from rocking about when receiving the extrusion.
As a further description of the above technical solution:
the movable block is in sliding connection with the corresponding opening groove.
Through the technical scheme, the moving track of the movable block can be limited, so that the movable block can move more smoothly.
The utility model has the following beneficial effects:
1. According to the utility model, the limit fixation of the L-shaped plate can be released by unscrewing the bolt, the torsion spring can release the extruded force to drive the shell cover to rebound to be perpendicular to the shell, and simultaneously the tension spring can release the extruded force to drive the pressing plate to move upwards until contacting the normally closed contact, so that a circuit in the circuit breaker can be disconnected, and the embedded top cover is not required to be taken down to perform circuit breaking work of the circuit breaker, thereby reducing the work load of staff and meeting the requirements of users.
2. According to the utility model, the movable block can be driven to slide in the corresponding opening groove by rotating the screw rod, and the fixed rod at the left side of the movable block can simultaneously drive the clamping plates to move to press and fix the circuit, so that the fixed circuit is simpler, and the practicability of the device can be improved.
Drawings
Fig. 1 is a top view of an earth leakage breaker according to the present utility model;
fig. 2 is a partial sectional view of an earth leakage breaker according to the present utility model;
Fig. 3 is a sectional view of a fixing frame structure of an earth leakage breaker according to the present utility model.
Legend description:
1. A housing; 2, clamping mechanism, 201, fixed frame, 202, partition board, 203, open slot, 204, screw rod, 205, movable block, 206, fixed rod, 207, clamping board, 208, rubber pad, 209, hole, 3, groove, 4, rotating rod, 5, cover, 6, torsion spring, 7, ejector rod, 8, placing board, 9, tension spring, 10, pressing board, 11, normally closed contact, 12, normally open contact, 13, limiting rod, 14, mounting hole, 15, L-shaped board, 16, bolt, 17, square slot, 18, push switch, 19, and fixed plate.
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 and 2, the leakage breaker comprises a casing 1, a groove 3 is formed in the top end of the inner rear side of the casing 1, a rotating rod 4 is rotatably connected in the groove 3, a casing cover 5 is fixedly connected to the front side of the rotating rod 4, torsion springs 6 are arranged on the left side and the right side of the outer wall of the rotating rod 4, one end of each torsion spring 6 is fixedly connected with one side of the inner side of the groove 3, the other end of each torsion spring 6 is fixedly connected with one side of the casing cover 5, a top rod 7 is fixedly connected to the bottom of the casing cover 5, a placing plate 8 is fixedly connected to the top end of the placing plate 8, a tension spring 9 is fixedly connected to the top end of the tension spring 9, a pressing plate 10 is fixedly connected to the top end of the casing 1, a normally closed contact 11 is fixedly connected to the bottom end of the inner front side of the casing 1, an L-shaped plate 15 is fixedly connected to the top front side of the casing cover 5, bolts 16 are connected to the front sides of the L-shaped plate 15 in a threaded mode, the rear ends of the bolts 16 sequentially penetrate through the L-shaped plate 15 and the casing 1, and a clamping mechanism 2 is arranged on the rear side of the casing 1;
Specifically, when the industrial frequency withstand voltage test is performed, the limiting and fixing of the L-shaped plate 15 can be released by loosening the bolt 16, and once the bolt 16 is loosened, the torsion spring 6 immediately releases the extruded force to drive the shell cover 5 to rebound to be perpendicular to the shell 1. This design not only ensures the stability of the structure but also makes the operation process smoother, at the same time the tension spring 9 will release the force being pressed, thereby driving the platen 10 to move upwards. During the upward movement of the pressure plate 10, it gradually approaches the normally closed contact 11. When the pressure plate 10 contacts the normally closed contact 11, the circuit is broken, thereby realizing control of the leakage breaker, and the embedded top cover does not need to be removed in the whole operation process. This means that the staff can accomplish circuit disconnection work under the condition of not dismantling the circuit breaker, has improved work efficiency greatly, and this kind of design has also satisfied user's demand simultaneously for the use of electric leakage circuit breaker is more convenient.
Referring to fig. 1 and 3, a clamping mechanism 2 comprises a fixed frame 201, the fixed frame 201 is fixedly connected to the rear side of a shell 1, a plurality of clapboards 202 are fixedly connected to the inner side of the fixed frame 201 at equal intervals, open slots 203 are formed in one side of each of the clapboards 202 and the right side of the inner side of the fixed frame 201, a screw rod 204 is rotatably connected to the right side of the rear end of the fixed frame 201, the front end of the screw rod 204 penetrates through the corresponding open slot 203, a movable block 205 is connected to the outer side of the screw rod 204 through threads, a fixed rod 206 is fixedly connected to the left end of the movable block 205, a plurality of clamping plates 207 are arranged on the inner side of the fixed frame 201 at equal intervals, the left end of the fixed rod 206 sequentially penetrates through the plurality of clamping plates 207, the movable block 205 is in sliding connection with the inner side of the corresponding open slot 203, and the clamping mechanism 2 further comprises holes 209 which are respectively formed in the top of the fixed frame 201 at equal intervals;
Specifically, the external lines are respectively placed in the corresponding holes 209, the screw rod 204 is rotated, the movable block 205 starts to slide in the corresponding open slot 203, the movable block 205 slides to drive the fixed rod 206 to move, the lines are pressed and fixed through the linkage of the fixed rod 206 and the clamping plates 207, the lines can be ensured to be fully fixed, the whole fixing process is simple and rapid, and the practicability of the device is greatly improved.
Referring to fig. 1, a plurality of square grooves 17 are equidistantly formed on the front side of a housing 1, the same push switch 18 is rotatably connected in the square grooves 17, fixing plates 19 are fixedly connected on the left side and the right side of the housing 1, and mounting holes 14 are formed in the middle of the front sides of the two fixing plates 19;
Specifically, the operation of the device can be conveniently controlled by pushing the switch 18, and the mounting hole 14 can be provided to conveniently fix the housing 1 at a position to be mounted.
Referring to fig. 3, the clamping mechanism 2 further includes rubber pads 208, and the plurality of rubber pads 208 are fixedly connected to the rear sides of the corresponding clamping plates 207, respectively;
In particular, friction between the clamping plate 207 and the wire can be further increased by the rubber pad 208, so that it can be placed more stably.
Referring to fig. 2, a limit rod 13 is arranged on the inner side of the extension spring 9, and the bottom end of the limit rod 13 is fixedly connected with the middle part of the top end of the placing plate 8;
Specifically, the stop lever 13 can prevent the tension spring 9 from shaking left and right when being extruded, thereby affecting the stability of the device when in operation.
When the leakage breaker is used, the shell cover 5 is closed to be parallel to the shell 1, then the bolt 16 is screwed down to fix the shell cover 5, at the moment, the ejector rod 7 presses the pressing plate 10 to press the normally open contact 12, so that the leakage breaker can work normally, when the leakage breaker is subjected to power frequency withstand voltage test, the bolt 16 is unscrewed to remove the limit fixation of the L-shaped plate 15, at the moment, the torsion spring 6 releases the pressed force to drive the shell cover 5 to rebound to be perpendicular to the shell 1, and simultaneously the tension spring 9 releases the pressed force to drive the pressing plate 10 to move upwards until contacting with the normally closed contact 11, at the moment, the circuit in the breaker can be disconnected, the embedded top cover is not required to be taken down to disconnect the circuit of the breaker, thereby reducing the work load of workers, meeting the requirements of users, and before the device is used, the external circuit is put into the corresponding hole 209 respectively, then the screw rod 204 is rotated to drive the movable block 205 to slide in the corresponding opening groove 203, at the moment, the fixed rod 206 on the left side of the movable block 205 simultaneously drives the movable block 205 to move a plurality of the circuit blocks 207, and the circuit is fixed, and the device is simple and practical.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.
Claims (8)
1. A leakage breaker comprises a shell (1), and is characterized in that a groove (3) is formed in the top end of the rear side of the shell (1), a rotating rod (4) is connected to the inside of the groove (3) in a rotating mode, a pressing plate (10) is fixedly connected to the top end of the rotating rod (4), a torsion spring (6) is arranged on the left side and the right side of the outer wall of the rotating rod (4), one end of the torsion spring (6) is fixedly connected with one side of the inside of the groove (3), the other end of the torsion spring (6) is fixedly connected with one side of the shell cover (5), a push rod (7) is fixedly connected to the bottom of the shell cover (5), a placing plate (8) is fixedly connected to the inner side of the shell (1), a tension spring (9) is fixedly connected to a pressing plate (10), a normally closed contact (11) is fixedly connected to the upper side of the inner front end of the shell (1), a normally open contact (12) is fixedly connected to the lower side of the inner front end of the shell (1), a bolt (16) is fixedly connected to the front side of the shell (15) of the shell (5), a threaded plate (16) is sequentially connected to the front side of the shell (15), the rear side of the shell (1) is provided with a clamping mechanism (2).
2. The residual current circuit breaker according to claim 1, wherein the clamping mechanism (2) comprises a fixed frame (201), the fixed frame (201) is fixedly connected to the rear side of the shell (1), a plurality of clapboards (202) are fixedly connected to the inner side of the fixed frame (201) at equal intervals, open slots (203) are formed in one side of the clapboards (202) and the right side of the inner side of the fixed frame (201), a screw rod (204) is rotatably connected to the right side of the rear end of the fixed frame (201), the front end of the screw rod (204) penetrates through the corresponding open slot (203), a movable block (205) is connected to the outer side of the screw rod (204) through threads, a fixed rod (206) is fixedly connected to the left end of the movable block (205), a plurality of clamping plates (207) are arranged on the inner side of the fixed frame (201) at equal intervals, and the left end of the fixed rod (206) penetrates through the plurality of clamping plates (207) in sequence.
3. The leakage breaker according to claim 1, wherein a plurality of square grooves (17) are formed in the front side of the shell (1) at equal intervals, and the same push switch (18) is rotatably connected to the inside of the square grooves (17).
4. The leakage breaker according to claim 1, wherein the left side and the right side of the shell (1) are fixedly connected with fixing plates (19), and the middle parts of the front sides of the two fixing plates (19) are provided with mounting holes (14).
5. The leakage breaker according to claim 2, wherein the clamping mechanism (2) further comprises holes (209), and a plurality of the holes (209) are respectively formed at the top of the fixed frame (201) at equal intervals.
6. The leakage breaker according to claim 2, wherein the clamping mechanism (2) further comprises rubber pads (208), and a plurality of the rubber pads (208) are fixedly connected to the rear sides of the corresponding clamping plates (207), respectively.
7. The leakage breaker according to claim 1, wherein a limiting rod (13) is arranged on the inner side of the extension spring (9), and the bottom end of the limiting rod (13) is fixedly connected with the middle part of the top end of the placing plate (8).
8. A leakage breaker according to claim 2, wherein the movable block (205) is slidably connected to the inside of the corresponding open slot (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421260987.6U CN222507489U (en) | 2024-06-04 | 2024-06-04 | Leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421260987.6U CN222507489U (en) | 2024-06-04 | 2024-06-04 | Leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222507489U true CN222507489U (en) | 2025-02-18 |
Family
ID=94561055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421260987.6U Active CN222507489U (en) | 2024-06-04 | 2024-06-04 | Leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222507489U (en) |
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2024
- 2024-06-04 CN CN202421260987.6U patent/CN222507489U/en active Active
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