CN219575443U - Plastic case circuit breaker with built-in isolation function - Google Patents

Abstract

The utility model relates to the technical field of molded case circuit breakers and discloses a molded case circuit breaker with a built-in isolation function. According to the molded case circuit breaker with the built-in isolation function, the first motor and the second motor are arranged in the circuit breaker shell, the first rotating shaft and the second rotating shaft are respectively driven by the two motors to rotate, the first rotating shaft and the second rotating shaft respectively drive the first screw rod and the second screw rod to rotate, so that the sliding rods on the two screw rods move forwards and backwards, the sliding rods can drive the foam-rubber cushion to wipe dust on a heat dissipation net clean, the heat dissipation efficiency of the circuit breaker is improved, and the practicability of equipment is greatly improved.

Description

Plastic case circuit breaker with built-in isolation function

Technical Field

The utility model relates to the technical field of molded case circuit breakers, in particular to a molded case circuit breaker with a built-in isolation function.

Background

The molded case circuit breaker is also called a device type circuit breaker, and has the function that when higher current is encountered in a circuit, the circuit breaker can be automatically cut off, so that the protection function is realized, the damage of an electric appliance is avoided, the occurrence of larger accidents can be prevented, and the safety of families is protected. Normally it can be switched on or used to cut off the circuit. When the circuit has a short circuit condition, the circuit can also react in time, so that the circuit fault is avoided. In order to improve the operation safety of the circuit breaker, the circuit breaker at present has an isolation function, and the circuit breaker with the isolation effect can establish a reliable insulation gap after opening the switch, so that equipment or lines to be overhauled are isolated from a power supply by an obvious disconnection point, and the safety of overhaulers and equipment is ensured.

And present moulded case circuit breaker is inconvenient to install, needs the staff to consume for a long time to install it, influences staff's work efficiency, and present moulded case circuit breaker mostly exposes on the surface, and is very unsafe, and present moulded case circuit breaker can set up the heat dissipation net in order to improve the radiating effect in both sides for convenient ventilation heat dissipation, but after the time is long, a large amount of dust can be piled up on the heat dissipation net surface, causes the influence to the radiating effect.

Accordingly, a molded case circuit breaker having a built-in isolation function is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a plastic-case circuit breaker with a built-in isolation function.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the circuit breaker shell, the inside one side of circuit breaker shell is fixed to be provided with first motor, the output of first motor rotates and is provided with first axis of rotation, the fixed first lead screw that is provided with in top of first axis of rotation, one side of first motor is fixed to be provided with the second motor, the output of second motor rotates and is provided with the second axis of rotation, the fixed second lead screw that is provided with in top of second axis of rotation, the middle part of first lead screw and second lead screw all slides and is provided with the slide bar.

Further, the middle parts of the front end face and the rear end face of the circuit breaker shell are fixedly provided with heat dissipation nets, the bottoms of the front end faces of the two heat dissipation nets are fixedly provided with sliding grooves, the middle parts of the two sliding grooves are respectively provided with a sliding rod in a sliding manner, and one sides of the two sliding rods are respectively fixedly provided with a sponge pad;

through above-mentioned technical scheme, the foam-rubber cushion passes through the drive of slide bar, can wipe the dust on the heat dissipation net.

Further, a rubber pad is fixedly arranged at the bottom of the circuit breaker shell, second fixing bolts are connected to four corners of the rubber pad in a threaded mode, a steel plate is fixedly arranged at the bottom of the rubber pad, and first fixing bolts are connected to four corners of the steel plate in a threaded mode;

through above-mentioned technical scheme, first fixing bolt can make things convenient for the staff to install the circuit breaker.

Further, fixing blocks are fixedly arranged on four sides of the circuit breaker shell, and a third fixing bolt is connected to the top of each fixing block in a threaded manner;

through above-mentioned technical scheme, third fixing bolt can consolidate the circuit breaker shell.

Further, a plurality of breaker connecting ends are fixedly arranged on two sides of the breaker shell;

through the technical scheme, the circuit breaker connecting end can enable the circuit breaker to be connected with other network cables.

Further, an upper cover is arranged at the top of the breaker shell;

through the technical scheme, the upper cover can cover the circuit breaker for protection.

Further, a control button is fixedly arranged on one side of the front end face of the circuit breaker shell;

through the technical scheme, the control buttons can control the rotation of the two motors.

Further, a handle is fixedly arranged in the middle of the top of the upper cover;

through the technical scheme, the upper cover can be conveniently opened by a worker through the handle.

The utility model has the following beneficial effects:

1. according to the plastic-case circuit breaker with the built-in isolation function, the first motor and the second motor are arranged in the circuit breaker shell, the first rotating shaft and the second rotating shaft are respectively driven by the two motors to rotate, the first rotating shaft and the second rotating shaft respectively drive the first screw rod and the second screw rod to rotate, the sliding rods on the two screw rods move forwards and backwards, the sliding rods can drive the sponge cushion to clean dust on the heat dissipation net, so that the heat dissipation efficiency of the circuit breaker is improved, and the practicability of equipment is greatly improved.

2. According to the molded case circuit breaker with the built-in isolation function, the circuit breaker shell is arranged on the outer side of the circuit breaker, and the circuit breaker can be protected from being damaged by people through the shell, so that the service life of the circuit breaker is prolonged, a user can be protected, accidental electric shock of the user is prevented, threat is caused to personal safety, and the safety of equipment is improved.

3. According to the plastic-case circuit breaker with the built-in isolation function, the steel plate is arranged at the bottom of the circuit breaker shell, the steel plate is convenient for workers to install the circuit breaker, the rubber pad is arranged between the steel plate and the circuit breaker, the circuit breaker and the steel plate can be prevented from conducting electricity, personal safety of the workers is threatened, and safety of equipment is greatly improved.

Drawings

Fig. 1 is an axial view of a molded case circuit breaker with built-in isolation function according to the present utility model;

fig. 2 is a front view of a molded case circuit breaker with built-in isolation function according to the present utility model;

fig. 3 is a front sectional view of a molded case circuit breaker with built-in isolation function according to the present utility model;

fig. 4 is a top view of a molded case circuit breaker with built-in isolation function according to the present utility model;

fig. 5 is a top sectional view of a molded case circuit breaker with built-in isolation function according to the present utility model;

fig. 6 is a partial enlarged view at fig. 1A.

Legend description:

1. a circuit breaker housing; 2. a control button; 3. an upper cover; 4. a handle; 5. a circuit breaker connection; 6. a steel plate; 7. a first fixing bolt; 8. a rubber pad; 9. a second fixing bolt; 10. a fixed block; 11. a third fixing bolt; 12. a heat dissipation net; 13. a chute; 14. a slide bar; 15. a sponge cushion; 16. a first motor; 17. a first rotation shaft; 18. a first screw rod; 19. a second motor; 20. a second rotation shaft; 21. and a second screw rod.

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 examples, which are obtained by persons of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present utility model based on the examples herein, and it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1-6, one embodiment provided by the present utility model is: including circuit breaker shell 1, circuit breaker shell 1's inside one side is fixed to be provided with first motor 16, and the output of first motor 16 rotates and is provided with first axis of rotation 17, and the top of first axis of rotation 17 is fixed to be provided with first lead screw 18, and one side of first motor 16 is fixed to be provided with second motor 19, and the output of second motor 19 rotates and is provided with second axis of rotation 20, and the top of second axis of rotation 20 is fixed to be provided with second lead screw 21, and the middle part of first lead screw 18 and second lead screw 21 all slides and is provided with slide bar 14.

The middle part of preceding terminal surface and the rear end face of circuit breaker shell 1 is all fixed and is provided with heat dissipation net 12, the bottom of the preceding terminal surface of two heat dissipation nets 12 is all fixed and is provided with spout 13, the middle part of two spouts 13 is all sliding and is provided with slide bar 14, the one side of two slide bars 14 is all fixed and is provided with foam-rubber cushion 15, foam-rubber cushion 15 passes through the drive of slide bar 14, can wipe the dust on the heat dissipation net 12, the bottom of circuit breaker shell 1 is fixed and is provided with rubber pad 8, the equal threaded connection in four corners department of rubber pad 8 has second fixing bolt 9, the bottom of rubber pad 8 is fixed and is provided with steel sheet 6, the equal threaded connection in four corners department of steel sheet 6 has first fixing bolt 7, first fixing bolt 7 can make things convenient for the staff to install the circuit breaker, the four sides of circuit breaker shell 1 is all fixed and is provided with fixed block 10, the equal threaded connection in top of every fixed block 10 has third fixing bolt 11, third fixing bolt 11 can consolidate circuit breaker shell 1, the both sides of circuit breaker shell 1 are all fixed and are provided with a plurality of circuit breaker link 5, circuit breaker link 5 can make circuit breaker link 5 and can make the circuit breaker 3 and the circuit breaker 3 be connected with other end 3, can be provided with the top 3 on the control cap 3, can be fixed to the top cap 3, the top is provided with the control button 3, can be fixed to the top cap 3.

Working principle: in the use process of the utility model, firstly, the circuit breaker is arranged on the steel plate 6, the rubber pad 8 is arranged between the steel plate 6 and the circuit breaker shell 1 to prevent electric conduction, electric shock is prevented for workers, the steel plate 6 can facilitate the installation of the circuit breaker by the workers, the working efficiency of the workers is improved, the two sides of the circuit breaker shell 1 are provided with the heat dissipation net 12, the front end surface of the heat dissipation net 12 is provided with the sliding groove 12, the sliding rod 14 is arranged in the sliding groove 12 in a sliding way, the sponge pad 15 is arranged at one side of the sliding rod 14, the sliding rod 14 rotates through the rotating shaft of the motor, the screw rod drives the screw rod to rotate, and the sliding rod 14 in the middle of the screw rod is driven by the screw rod to move, so that the sponge pad 15 at one side of the sliding rod 14 can clean dust on the heat dissipation net 12, and the heat dissipation effect is prevented from being reduced due to excessive dust, thereby the heat dissipation efficiency of the equipment is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a moulded case circuit breaker with built-in isolation function, includes circuit breaker shell (1), its characterized in that: the circuit breaker is characterized in that a first motor (16) is fixedly arranged on one side of the inside of the circuit breaker shell (1), a first rotating shaft (17) is arranged at the output end of the first motor (16) in a rotating mode, a first screw rod (18) is fixedly arranged at the top of the first rotating shaft (17), a second motor (19) is fixedly arranged on one side of the first motor (16), a second rotating shaft (20) is arranged at the output end of the second motor (19) in a rotating mode, a second screw rod (21) is fixedly arranged at the top of the second rotating shaft (20), and sliding rods (14) are slidably arranged at the middle parts of the first screw rod (18) and the second screw rod (21).

2. The molded case circuit breaker with built-in isolation function according to claim 1, wherein: the circuit breaker is characterized in that the middle parts of the front end face and the rear end face of the circuit breaker shell (1) are fixedly provided with heat dissipation nets (12), the bottoms of the front end faces of the heat dissipation nets (12) are fixedly provided with sliding grooves (13), the middle parts of the sliding grooves (13) are slidably provided with sliding rods (14), and one sides of the sliding rods (14) are fixedly provided with sponge pads (15).

3. The molded case circuit breaker with built-in isolation function according to claim 1, wherein: the circuit breaker is characterized in that a rubber pad (8) is fixedly arranged at the bottom of the circuit breaker shell (1), second fixing bolts (9) are connected with four corners of the rubber pad (8) in a threaded mode, a steel plate (6) is fixedly arranged at the bottom of the rubber pad (8), and first fixing bolts (7) are connected with four corners of the steel plate (6) in a threaded mode.

4. The molded case circuit breaker with built-in isolation function according to claim 1, wherein: four sides of the circuit breaker shell (1) are fixedly provided with fixing blocks (10), and the top of each fixing block (10) is connected with a third fixing bolt (11) in a threaded mode.

5. The molded case circuit breaker with built-in isolation function according to claim 1, wherein: a plurality of breaker connecting ends (5) are fixedly arranged on two sides of the breaker shell (1).

6. The molded case circuit breaker with built-in isolation function according to claim 1, wherein: an upper cover (3) is arranged at the top of the breaker shell (1).

7. The molded case circuit breaker with built-in isolation function according to claim 1, wherein: one side of the front end face of the circuit breaker shell (1) is fixedly provided with a control button (2).

8. The molded case circuit breaker with built-in isolation function according to claim 6, wherein: the middle part at the top of upper cover (3) is fixedly provided with handle (4).