CN213124316U

CN213124316U - Contact device of molded case circuit breaker

Info

Publication number: CN213124316U
Application number: CN202022360721.7U
Authority: CN
Inventors: 陈智兵
Original assignee: Shanglian Holding Group Co ltd
Current assignee: Shanglian Holding Group Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-05-04
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a moulded case circuit breaker's contact device, including casing, circuit breaker body, the bottom of casing is fixed with the pivot, install the apron in the pivot, apron one end is installed on the casing through the pivot, and the apron other end is fixed with the fixture block, the inside one side in top of casing is equipped with the slider, fluting and being equipped with the spout around the right-hand member of circuit breaker body on the both sides wall, casing top is through the spacing spout of installing on circuit breaker body of slider in, circuit breaker body bottom trompil. The utility model discloses, during the use, lead to the tripping operation of contact body when the automatic protection takes place for the circuit breaker body, the time contact body upwards beats, makes on the contact body through the fixed connecting rod of fixed axle rise touch and touch the board, rises when receiving the impact of connecting rod and touch the inductor through the spring to the board, and the inductor is with information feedback to the controller in to make the controller start alarm and light, thereby reach the effect of reminding the resident.

Description

Contact device of molded case circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a moulded case circuit breaker's contact device.

Background

The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time, and can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply line, a motor and the like, automatically cutting off a circuit when a fault such as severe overload or short circuit or undervoltage occurs, and the like, and has a function equivalent to a combination of a fuse type switch and an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. However, in some places, when the circuit breaker is installed at a high position during wiring and installation of the circuit breaker, when the circuit breaker is tripped due to carelessness of electricity utilization, closing cannot be performed, and reminding cannot be performed during tripping. Therefore, the utility model provides a moulded case circuit breaker's contact device to solve the problem that proposes in the above-mentioned background art.

Disclosure of Invention

An object of the utility model is to provide a moulded case circuit breaker's contact device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a contact device of a molded case circuit breaker comprises a shell and a circuit breaker body, wherein a rotating shaft is fixed at the bottom of the shell, a cover plate is installed on the rotating shaft, one end of the cover plate is installed on the shell through the rotating shaft, a clamping block is fixed at the other end of the cover plate, a sliding block is arranged on one side inside the top end of the shell, and grooves and sliding grooves are formed in the front side wall and the rear side wall of the right end of the circuit breaker body;

the top of the shell is limited and installed in a sliding groove on the breaker body through a sliding block, a hole is formed in the bottom of the breaker body, the bottom of the shell is clamped in the hole in the bottom of the breaker body through a clamping block on a cover plate, and a contact body is arranged at the bottom of the right side of the breaker body;

the contact comprises a contact body and is characterized in that a fixed shaft is installed on the contact body, a connecting rod is installed on the fixed shaft, a supporting plate is arranged above the connecting rod, a spring is installed at the top of the supporting plate, one end of the spring is fixed on the supporting plate, an inductor is fixed to the other end of the spring, and an electric lifting rod is connected to the upper portion of the inductor.

As a further aspect of the present invention, the inside top of the casing is provided with a controller, and an alarm is provided on one side of the controller.

As the utility model discloses further scheme again, the controller below is equipped with the light, is equipped with the connecting wire on the light, and the light passes through the connecting wire to be connected on the controller.

As a further proposal, the lighting lamp is provided with a lifting groove below.

As the utility model discloses further scheme again, the fixed electric lift pole that is equipped with of lifting groove inside, electric lift pole top one end is fixed on the lifting groove.

As a further proposal, the fixed axle is passed through to connecting rod one end and is installed on the contact body, and the connecting rod other end is located the inside in lift groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, during the use, lead to the tripping operation of contact body when the automatic protection takes place for the circuit breaker body, the time contact body upwards beats, makes on the contact body through the fixed connecting rod of fixed axle rise touch and touch the board, rises when receiving the impact of connecting rod and touch the inductor through the spring to the board, and the inductor is with information feedback to the controller in to make the controller start alarm and light, thereby reach the effect of reminding the resident.

2. The utility model discloses, when the contact body after will tripping operation is pushed back again as required, open electric lift rod through external control panel to control electric lift rod descends, and the electric lift rod that descends pushes back the contact body again through the connecting rod, thereby opens the circuit breaker body, makes indoor power supply.

Drawings

Fig. 1 is a schematic structural diagram of a contact device of a molded case circuit breaker.

Fig. 2 is an enlarged schematic view of a contact device of a molded case circuit breaker at a.

Fig. 3 is an enlarged schematic view of a contact device of a molded case circuit breaker at B.

In the figure: 1. a housing; 2. a slider; 3. a rotating shaft; 4. a cover plate; 5. a clamping block; 6. a circuit breaker body; 7. a chute; 8. A contact body; 9. a fixed shaft; 10. a connecting rod; 11. a resisting plate; 12. a spring; 13. an inductor; 14. an electric lifting rod; 15. a lifting groove; 16. an illuminating lamp; 17. a controller; 18. an alarm; 19. and connecting the wires.

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 to 3, in an embodiment of the present invention, a contact device of a molded case circuit breaker includes a casing 1 and a circuit breaker body 6, a rotating shaft 3 is fixed at the bottom of the casing 1, a cover plate 4 is installed on the rotating shaft 3, one end of the cover plate 4 is installed on the casing 1 through the rotating shaft 3, a clamping block 5 is fixed at the other end of the cover plate 4, a sliding block 2 is arranged on one side inside the top end of the casing 1, and a groove 7 is formed in front and rear side walls of the right end of the circuit breaker body 6;

the top of the shell 1 is limited and installed in a sliding groove 7 on a breaker body 6 through a sliding block 2, the bottom of the breaker body 6 is provided with a hole, the bottom of the shell 1 is clamped in the hole at the bottom of the breaker body 6 through a clamping block 5 on a cover plate 4, and the bottom of the right side of the breaker body 6 is provided with a contact body 8;

the contact body 8 is provided with a fixed shaft 9, the fixed shaft 9 is provided with a connecting rod 10, a resisting plate 11 is arranged above the connecting rod 10, the top of the resisting plate 11 is provided with a spring 12, one end of the spring 12 is fixed on the resisting plate 11, the other end of the spring 12 is fixed with an inductor 13, an electric lifting rod 14 is connected above the inductor 13, the top end inside the casing 1 is provided with a controller 17, one side of the controller 17 is provided with an alarm 18, a lighting lamp 16 is arranged below the controller 17, the lighting lamp 16 is provided with a connecting wire 19, the lighting lamp 16 is connected on the controller 17 through the connecting wire 19, a lifting groove 15 is arranged below the lighting lamp 16, the electric lifting rod 14 is fixedly arranged inside the lifting groove 15, one end of the top of the electric lifting rod 14 is fixed on the lifting groove 15, and one end of the connecting rod 10, the other end of the connecting rod 10 is located inside the lifting groove 15.

The utility model discloses a theory of operation is:

the device needs to be integrally controlled through an external control panel;

in the utility model, when the circuit breaker is used, when the circuit breaker body 6 is automatically protected, the contact body 8 trips, the contact body 8 jumps upwards, the connecting rod 10 fixed on the contact body 8 through the fixed shaft 9 rises to touch the abutting plate 11, the abutting plate 11 rises to touch the inductor 13 through the spring 12 when being impacted by the connecting rod 10, and the inductor 13 feeds information back to the controller 17, so that the controller 17 starts the alarm 18 and the illuminating lamp 16, thereby reminding residents;

when the tripped contact body 8 needs to be pushed back again, the electric lifting rod 14 is started through the external control panel, so that the electric lifting rod 14 is controlled to descend, the descending electric lifting rod 14 pushes the contact body 8 back again through the connecting rod 10, and the circuit breaker body 6 is started, so that indoor power supply is realized;

when the breaker body 6 is short-circuited and needs to be replaced or maintained, the shell 1 can be directly removed through the sliding block 2 and the clamping block 5, so that maintenance work can be conveniently carried out.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A contact device of a molded case circuit breaker comprises a machine shell (1) and a circuit breaker body (6), and is characterized in that a rotating shaft (3) is fixed at the bottom of the machine shell (1), a cover plate (4) is installed on the rotating shaft (3), one end of the cover plate (4) is installed on the machine shell (1) through the rotating shaft (3), a clamping block (5) is fixed at the other end of the cover plate (4), a sliding block (2) is arranged on one side of the inside of the top end of the machine shell (1), and grooves (7) are formed in the front side wall and the rear side wall of the right end of the circuit breaker body;

the top of the shell (1) is limited and installed in a sliding groove (7) on the breaker body (6) through a sliding block (2), the bottom of the breaker body (6) is provided with a hole, the bottom of the shell (1) is clamped in the hole in the bottom of the breaker body (6) through a clamping block (5) on a cover plate (4), and the bottom of the right side of the breaker body (6) is provided with a contact body (8);

the contact is characterized in that a fixed shaft (9) is installed on the contact body (8), a connecting rod (10) is installed on the fixed shaft (9), a supporting plate (11) is arranged above the connecting rod (10), a spring (12) is installed at the top of the supporting plate (11), one end of the spring (12) is fixed on the supporting plate (11), an inductor (13) is fixed to the other end of the spring (12), and an electric lifting rod (14) is connected and arranged above the inductor (13).

2. A contact arrangement of a molded case circuit breaker according to claim 1, wherein a controller (17) is provided at an inner top end of the case (1), and an alarm (18) is provided at one side of the controller (17).

3. The contact device of the molded case circuit breaker according to claim 2, wherein a lighting lamp (16) is disposed under the controller (17), a connection line (19) is disposed on the lighting lamp (16), and the lighting lamp (16) is connected to the controller (17) through the connection line (19).

4. The contact device of the molded case circuit breaker according to claim 3, wherein a lifting groove (15) is provided below the illuminating lamp (16), an electric lifting rod (14) is fixedly provided inside the lifting groove (15), and one end of the top of the electric lifting rod (14) is fixed on the lifting groove (15).

5. A contact arrangement of a molded case circuit breaker according to claim 1, wherein one end of the connecting rod (10) is mounted on the contact body (8) through a fixed shaft (9), and the other end of the connecting rod (10) is located inside the lifting groove (15).