CN209843642U - Reclosing device of miniature circuit breaker - Google Patents

Abstract

The utility model discloses a miniature circuit breaker's reclosing device, including shell, electronic component, electric motor, electricity piece and circular telegram component, the inside of shell is provided with electronic component, and the inside left side fixed surface of shell has electric motor, electric motor's output is fixed with the worm, the inside upper surface of shell should be fixed with the sliding frame, and the surface of sliding frame is provided with the rack to the inside front surface of shell is provided with the worm wheel, the inside front surface of shell is provided with the gyro wheel, the surface mounting of first pivot has the electricity piece, and connects the lower extreme of electricity piece to be fixed with and rotate the wheel, the inside left side surface mounting of shell has circular telegram component. The reclosing device of the miniature circuit breaker is provided with the rotating wheel, when the wrench rotates anticlockwise, the rotating wheel can connect the power-on block and the power-on element together, so that the closing structure of the circuit breaker is simplified, and the manufacturing cost of the circuit breaker is reduced.

Description

Reclosing device of miniature circuit breaker

Technical Field

The utility model relates to a circuit breaker equipment technical field specifically is a miniature circuit breaker's reclosing device.

Background

Electricity is an energy source for maintaining normal work of equipment such as our machinery, electrical appliances and electronic equipment, but when electricity is used, sometimes, a circuit breaker is tripped due to aging and short circuit of a circuit or overload of the circuit, and the tripping of the circuit breaker ensures that the circuit cannot be burnt out, and meanwhile, the life and property safety of people is protected.

Most of the existing miniature circuit breakers have the following problems:

firstly, the structure is complex, the manufacturing cost is high, most of the existing miniature circuit breakers use the Hall sensors when being switched on again, the Hall sensors are easy to be interfered by electromagnetism, the circuit breakers can not be switched on or off easily, and the cost of the Hall sensors is also high;

second, lose the part easily, most miniature circuit breaker when the maintenance at present unpack the circuit breaker shell apart the gadget such as screw of taking off and directly place on ground, when the installation, can't find the part easily, increased miniature circuit breaker's maintenance duration.

We therefore propose a reclosing device of a miniature circuit breaker in order to solve the problems set forth in the foregoing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature circuit breaker's reclosing device to solve above-mentioned background art and propose appearing damaging skin and the not good problem of waterproof nature easily with dressing subsides at most zinc oxide antibiotic.

In order to achieve the above object, the utility model provides a following technical scheme: a reclosing device of a miniature circuit breaker comprises a shell, an electronic element, an electric motor, an electricity connecting block and an electrifying element, wherein the electronic element is arranged inside the shell, the electric motor is fixed on the surface of the left side inside the shell, a worm is fixed at the output end of the electric motor, a sliding frame is fixed on the upper surface inside the shell, a rack is arranged on the surface of the sliding frame, a worm wheel is arranged on the front surface inside the shell, a roller is arranged on the front surface inside the shell, a wrench is fixed on the surface of the roller, a first rotating shaft is arranged on the front surface inside the shell, the electricity connecting block is installed on the surface of the first rotating shaft, a rotating wheel is fixed at the lower end of the electricity connecting block, the electrifying element is installed on the surface of the left side inside the shell, a sliding groove is formed in the front surface of the shell, and a connecting piece is, and the surface of the connecting piece is fixed with a connecting rod, the surface of the shell is provided with a hinge, the surface of the hinge is fixed with a turnover cover, the surface of the shell is fixed with a second rotating shaft, and the surface of the second rotating shaft is provided with a gear.

Preferably, the worm and the worm wheel are meshed with each other, and the worm wheel and the second rotating shaft form a rotating structure.

Preferably, the rack and the sliding frame form a sliding structure, the length of the rack is greater than the displacement distance of the wrench, and the rack and the gear are meshed with each other.

Preferably, the roller is meshed with the rotating wheel, the rotating wheel is arc-shaped, and the rotating wheel and the power connection block form a rotating structure through a first rotating shaft.

Preferably, the connecting pieces and the sliding grooves form a sliding structure, two groups of sliding structures are arranged, and the diameter of each connecting piece is larger than the width of each sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: a reclosing device of the miniature circuit breaker;

(1) the small circuit breaker is provided with the worm wheel and the rack, so that the spanner can be jacked to the original position, the small circuit breaker can be switched on, electromagnetic interference is not needed to be worried, the small circuit breaker is switched on more smoothly, and the use of electric power by people is not influenced;

(2) the circuit breaker is provided with the sliding groove, the connecting piece and the connecting piece, so that when the circuit breaker is maintained, small electronic parts such as disassembled screws can be conveniently placed on the turnover cover, the risk that the small disassembled parts are lost is avoided, and the maintenance speed of the circuit breaker is ensured;

(3) the rotating wheel is arranged, when the wrench rotates anticlockwise, the rotating wheel can connect the power-on block and the power-on element together, so that the closing structure of the circuit breaker is simplified, and the manufacturing cost of the circuit breaker is reduced;

(4) be provided with electric motor and worm, can not climb to the eminence with the circuit breaker combined floodgate by the manual work to save the labour, reduced the unexpected probability that the ladder can produce about when electrician maintains, and then protected electrician's safety.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic view of the flip open structure of the present invention;

fig. 3 is a schematic view of the flip-open structure of the present invention;

FIG. 4 is a left sectional structural view of the housing of the present invention;

fig. 5 is a schematic view of the top view structure of the worm according to the present invention.

In the figure: 1. a housing; 2. an electronic component; 3. an electric motor; 4. a worm; 5. a worm gear; 6. a rack; 7. a sliding frame; 8. a roller; 9. a wrench; 10. a rotating wheel; 11. a first rotating shaft; 12. a power connection block; 13. a current-carrying element; 14. a sliding groove; 15. a connecting member; 16. a hinge; 17. a cover is turned; 18. a connecting rod; 19. a gear; 20. a second rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a reclosing device of a miniature circuit breaker comprises a shell 1, an electronic element 2, an electric motor 3, a worm 4, a worm wheel 5, a rack 6, a sliding frame 7, a roller 8, a wrench 9, a rotating wheel 10, a first rotating shaft 11, an electric connection block 12, an electric connection element 13, a sliding groove 14, a connecting piece 15, a hinge 16, a flip cover 17, an engagement rod 18, a gear 19 and a second rotating shaft 20, wherein the electronic element 2 is arranged inside the shell 1, the electric motor 3 is fixed on the left side surface inside the shell 1, the worm 4 is fixed on the output end of the electric motor 3, the sliding frame 7 is fixed on the upper surface inside the shell 1, the rack 6 is arranged on the surface of the sliding frame 7, the worm wheel 5 is arranged on the front surface inside the shell 1, the roller 8 is arranged on the front surface inside the shell 1, the wrench 9 is fixed on the surface of the roller 8, the first rotating shaft 11 is arranged on the front surface inside, the surface of the first rotating shaft 11 is provided with an electricity connecting block 12, the lower end of the electricity connecting block 12 is fixed with a rotating wheel 10, the left side surface of the inside of the shell 1 is provided with an electrifying element 13, the front surface of the shell 1 is provided with a sliding groove 14, the surface of the sliding groove 14 is provided with a connecting piece 15, the surface of the connecting piece 15 is fixed with a connecting rod 18, the surface of the shell 1 is provided with a hinge 16, the surface of the hinge 16 is fixed with a turnover cover 17, the surface of the shell 1 is fixed with a second rotating shaft 20, and the surface of the second rotating shaft 20 is provided with a gear 19.

Worm 4 and worm wheel 5 intermeshing, and worm wheel 5 constitutes revolution mechanic with second pivot 20, can make 6 upward movements of rack, also make miniature circuit breaker's combined floodgate lighter to switch on and off the circuit breaker through the cat ladder with electrician.

The rack 6 and the sliding frame 7 form a sliding structure, the length of the rack 6 is larger than the displacement distance of the wrench 9, the rack 6 and the gear 19 are meshed with each other, the wrench 9 can be restored to the initial position, and therefore people cannot be influenced by not needing to worry about the fact that the wrench 9 cannot be reset due to electromagnetic interference.

The roller 8 is meshed with the rotating wheel 10, the rotating wheel 10 is arc-shaped, and the rotating wheel 10 and the power connection block 12 form a rotating structure through the first rotating shaft 11, so that the power connection block 12 and the power connection element 13 can be connected, the switching-on structure of the miniature circuit breaker is simplified, and the cost is saved.

Connecting piece 15 and sliding tray 14 constitute sliding construction, and this sliding construction is provided with two sets ofly to connecting piece 15's diameter is greater than sliding tray 14's width, can make miniature circuit breaker when the maintenance, can place the part on flip 17, thereby reduces the unexpected emergence that the part lost, and then can not influence the normal work of circuit breaker, can not influence people's power consumption demand.

The working principle is as follows: firstly, as shown in fig. 1 and 4, when the electric wire is short-circuited or overloaded, the protection mechanism of the circuit breaker makes the wrench 9 rotate clockwise and downward to disconnect the electric wire from the main circuit, when the miniature circuit breaker needs to be reclosed, the electric motor 3 is turned on, the electric motor 3 drives the worm 4 to rotate, the worm wheel 5 starts to rotate because the worm 4 and the worm wheel 5 are engaged with each other, as shown in fig. 5, because the worm wheel 5 and the second rotating shaft 20 form a rotating structure, and the rack 6 and the gear 19 are engaged with each other, the rack 6 slides upwards in the sliding frame 7, at this time, the rack 6 pushes the wrench 9 upwards to restore the wrench 9 to the original position, in the process that the wrench 9 is restored to the original position, because the roller 8 and the rotating wheel 10 are engaged with each other, the contact block 12 and the energizing element 13 under the rotation of the rotating wheel 10, so that the miniature circuit breaker, the switching-on structure of the miniature circuit breaker is simplified, the cost is saved, and meanwhile, the circuit breaker is not switched on by manually using a crawling ladder, so that the safety of electricians is protected;

according to fig. 2 and 3, when the miniature circuit breaker needs to be maintained, the screws on the miniature circuit breaker are taken down, the flip cover 17 is rotated rightwards through the hinge 16, the connecting piece 15 slides in the sliding groove 14 at the moment, the connecting rod 18 prevents the flip cover 17 from continuously rotating through the hinge 16, and at the moment, small parts such as the screws can be placed on the flip cover 17, so that the situation that the parts are lost when the circuit breaker is installed is avoided, the maintenance progress of the circuit breaker is ensured, namely the use process of the reclosing device of the miniature circuit breaker is ensured, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a reclosing device of miniature circuit breaker, includes shell (1), electronic component (2), electric motor (3), connects electric block (12) and circular telegram component (13), its characterized in that: the electric heating device is characterized in that an electronic element (2) is arranged inside the shell (1), an electric motor (3) is fixed on the left side surface inside the shell (1), a worm (4) is fixed at the output end of the electric motor (3), a sliding frame (7) is fixed on the upper surface inside the shell (1), a rack (6) is arranged on the surface of the sliding frame (7), a worm wheel (5) is arranged on the front surface inside the shell (1), a roller (8) is arranged on the front surface inside the shell (1), a wrench (9) is fixed on the surface of the roller (8), a first rotating shaft (11) is arranged on the front surface inside the shell (1), an electric connection block (12) is installed on the surface of the first rotating shaft (11), a rotating wheel (10) is fixed at the lower end of the electric connection block (12), and an electric connection element (13) is installed on the left side surface inside the shell (1), and sliding tray (14) have been seted up to the front surface of shell (1), the surface mounting of sliding tray (14) has connecting piece (15), and the fixed surface of connecting piece (15) has linking pole (18), the surface of shell (1) is provided with hinge (16), and the fixed surface of hinge (16) has flip (17) to the surface of shell (1) is fixed with second pivot (20), the surface of second pivot (20) is provided with gear (19).

2. The reclosing device of a miniature circuit breaker according to claim 1, characterized in that: the worm (4) is meshed with the worm wheel (5), and the worm wheel (5) and the second rotating shaft (20) form a rotating structure.

3. The reclosing device of a miniature circuit breaker according to claim 1, characterized in that: the rack (6) and the sliding frame (7) form a sliding structure, the length of the rack (6) is larger than the displacement distance of the wrench (9), and the rack (6) is meshed with the gear (19).

4. The reclosing device of a miniature circuit breaker according to claim 1, characterized in that: the roller (8) is meshed with the rotating wheel (10), the rotating wheel (10) is arc-shaped, and the rotating wheel (10) and the power connection block (12) form a rotating structure through the first rotating shaft (11).

5. The reclosing device of a miniature circuit breaker according to claim 1, characterized in that: the connecting pieces (15) and the sliding grooves (14) form a sliding structure, two groups of sliding structures are arranged on the sliding structure, and the diameter of each connecting piece (15) is larger than the width of each sliding groove (14).