CN214898288U

CN214898288U - Plastic case type circuit breaker with residual current protection

Info

Publication number: CN214898288U
Application number: CN202121173815.1U
Authority: CN
Inventors: 黄小军; 秦华梅; 黄晓勇
Original assignee: Chongqing Jinhuang Electric Co ltd
Current assignee: Chongqing Jinhuang Electric Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-26
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a take residual current protection plastic casing circuit breaker, which comprises a circuit breaker, the dead lever is installed to one side at circuit breaker top, the jack box is installed to the one end of dead lever, the internally mounted of jack box has the connecting box, it has spacing set-square to peg graft in the inside of connecting box, one side of spacing set-square is connected with compression spring, the fixed box has been cup jointed on the surface of jack box. The utility model discloses a circuit breaker, spacing set-square, the protecting sheathing box, the connecting rod, the setting of the lantern ring and handle for the grafting box of circuit breaker is connected with the inside fixed box of protecting sheathing box, protects the circuit breaker then, and has offered the activity groove in one side of protecting sheathing box, the activity groove can move about the connecting rod of inside, install the lantern ring in the one end of connecting rod, the lantern ring entangles the switch of circuit breaker, and the handle is installed to the other end of connecting rod, thereby the effect of protecting the circuit breaker has been reached.

Description

Plastic case type circuit breaker with residual current protection

Technical Field

The utility model relates to a circuit breaker technical field specifically is a take residual current protection plastic casing circuit breaker.

Background

The circuit breaker is a switching device capable of closing, bearing and breaking current under normal loop conditions and closing, bearing and breaking current under abnormal loop conditions within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range of the circuit breaker, the dividing of high and low voltage boundary lines is fuzzy, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, and a power supply line, the motor and the like are protected.

A take residual current protection plastic case formula circuit breaker shortcoming not enough among the prior art:

1. in the prior art, when the plastic shell type circuit breaker with residual current protection is used, the device is generally in an exposed environment, the protection on the circuit breaker is poor, and when one side is protected, a switch of the device is difficult to be powered off in time;

2. a take residual current protection plastic case formula circuit breaker among the prior art, during the use, the device need carry out ventilation cooling to inside circuit breaker, and most devices are difficult to dispel the heat behind the protection circuit breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take residual current protection plastic casing formula circuit breaker to solve the problem that proposes among the above-mentioned background art.

For realizing the above-mentioned purpose, the utility model provides a following technical scheme, a take residual current protection plastic casing formula circuit breaker, which comprises a circuit breaker, the dead lever is installed to one side at circuit breaker top, the grafting box is installed to the one end of dead lever, the internally mounted of grafting box has the connecting box, the inside grafting of connecting box has spacing set-square, one side of spacing set-square is connected with compression spring, fixed box has been cup jointed on the surface of grafting box, the protection cover box is installed to one side of fixed box, the movable groove has been seted up to one side of protection cover box, one side of movable groove is connected with the connecting rod, the lantern ring is installed to the one end of connecting rod, the handle is installed to the other end of connecting rod.

Preferably, a motor box is installed on one side of the protective sleeve box, a fixing ring is installed inside the motor box, and a driving motor is installed inside the fixing ring.

Preferably, the output end of the driving motor is connected with a rotating rod, and the surface of the rotating rod is provided with fan blades.

Preferably, the bracing piece is installed through the bearing frame in the surface of dwang, the filter screen is installed to one side of motor box.

Preferably, a positioning plate is installed at one side of the circuit breaker, and a circuit extension box a is installed in the middle of the bottom of the protective sleeve box.

Preferably, a circuit extension box b is installed in the middle of the top of the protective sleeve box, and a torsion spring is connected to the middle of the inner wall of the circuit extension box b.

Preferably, the surface of the torsion spring is connected with a rope winding rod, and the middle part of the surface of the rope winding rod is connected with a current conveying line.

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

1. the utility model discloses a circuit breaker, spacing set square, protective case box, connecting rod, lantern ring and handle setting, when using, the staff installs the circuit breaker on the current transmission line, general circuit breaker exposes comparatively danger, because install the grafting box through the dead lever at the top of circuit breaker, install the connecting box in the inside of grafting box, the inside of connecting box is connected with spacing set square through compression spring, make spacing set square conveniently move about, the fixed box has been cup jointed on the surface of grafting box, make the grafting box of circuit breaker and the fixed box of protective case box inside connect, then protect the circuit breaker, and set up the movable groove on one side of protective case, the movable groove can move about the connecting rod of inside, install the lantern ring at the one end of connecting rod, the lantern ring entangles the switch of circuit breaker, and the other end of connecting rod installs the handle, the staff accessible hand grip moves about and controls the switch of circuit breaker to the effect of protection circuit breaker has been reached.

2. The utility model is provided with the motor box, the fixed ring, the driving motor and the fan blade, when in use, the device has higher internal temperature under long-term work, because the motor box is arranged on one side of the protective sleeve box, the driving motor is arranged in the motor box through the fixing ring, the worker switches on the driving motor, the output end of the driving motor drives the rotating rod to rotate, the rotating rod drives the fan blades on the surface of the rotating rod to rotate, and a filter screen is arranged on one side of the device, which is convenient for filtering dust, so that the device can ventilate and radiate the internal circuit breaker, and the top of the device is provided with a circuit extension box, the interior of the circuit extension box is connected with a wire winding rod through a torsion spring, the surface of the winding rod is connected with a current transmission line, so that the device is convenient for workers to carry out connection lines, and the effect of ventilating and radiating the breaker is achieved.

Drawings

Fig. 1 is a perspective view of the split structure of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a schematic structural view of the torsion spring of the present invention;

fig. 4 is a schematic structural view of the compression spring of the present invention;

fig. 5 is a schematic structural diagram of the driving motor of the present invention.

In the figure: 1. a circuit breaker; 2. fixing the rod; 3. a plug box; 4. a connection box; 5. a limiting triangle; 6. a compression spring; 7. a fixing box; 8. a protective sleeve box; 9. a movable groove; 10. a connecting rod; 11. a collar; 12. a hand grip; 13. a motor box; 14. a fixing ring; 15. a drive motor; 16. rotating the rod; 17. a fan blade; 18. a support bar; 19. a filter screen; 20. positioning a plate; 21. a line extension box a; 22. a line extension box b; 23. a torsion spring; 24. a rope winding rod; 25. and a current transmission line.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, an embodiment of the present invention provides a circuit breaker with a residual current protection plastic case, including a circuit breaker 1, a fixed rod 2 is installed on one side of the top of the circuit breaker 1, an inserting box 3 is installed on one end of the fixed rod 2, a connecting box 4 is installed inside the inserting box 3, a limiting triangle 5 is inserted inside the connecting box 4, one side of the limiting triangle 5 is connected with a compression spring 6, a fixed box 7 is sleeved on the surface of the inserting box 3, a protection box 8 is installed on one side of the fixed box 7, a movable groove 9 is opened on one side of the protection box 8, one side of the movable groove 9 is connected with a connecting rod 10, a lantern ring 11 is installed on one end of the connecting rod 10, and a handle 12 is installed on the other end of the connecting rod 10;

through the arrangement of the circuit breaker 1, the limit triangle 5, the protective sleeve box 8, the connecting rod 10, the lantern ring 11 and the handle 12, when in use, a worker installs the circuit breaker 1 on a current transmission line, the circuit breaker 1 is generally dangerous to expose, because the plug-in box 3 is installed on the top of the circuit breaker 1 through the fixed rod 2, the connecting box 4 is installed inside the plug-in box 3, the limit triangle 5 is connected inside the connecting box 4 through the compression spring 6, the limit triangle 5 is convenient to move, the fixed box 7 is sleeved on the surface of the plug-in box 3, the plug-in box 3 of the circuit breaker 1 is connected with the fixed box 7 inside the protective sleeve box 8, then the circuit breaker 1 is protected, the movable groove 9 is arranged on one side of the protective sleeve box 8, the movable groove 9 can move the connecting rod 10 inside, the lantern ring 11 is installed at one end of the connecting rod 10, the lantern ring 11 is used for sheathing the switch of the circuit breaker 1, the other end of the connecting rod 10 is provided with the handle 12, and a worker can control the switch of the circuit breaker 1 by moving the handle 12, so that the effect of protecting the circuit breaker 1 is achieved;

a motor box 13 is installed on one side of the protective sleeve box 8, a fixing ring 14 is installed inside the motor box 13, a driving motor 15 is installed inside the fixing ring 14, the output end of the driving motor 15 is connected with a rotating rod 16, and fan blades 17 are installed on the surface of the rotating rod 16;

through the arrangement of the motor box 13, the fixing ring 14, the driving motor 15 and the fan blades 17, when in use, the device has higher internal temperature under long-term work, because the motor box 13 is arranged on one side of the protective sleeve box 8, the driving motor 15 is arranged in the motor box 13 through the fixing ring 14, the worker switches on the driving motor 15, the output end of the driving motor 15 drives the rotating rod 16 to rotate, the rotating rod 16 drives the fan blades 17 on the surface to rotate, and a filter screen 19 is installed at one side to filter dust conveniently, so that the device ventilates and dissipates heat to the internal circuit breaker 1, and a line extension box is installed at the top of the device, the inside of the line extension box is connected with a rope winding rod 24 through a torsion spring 23, the surface of the rope winding rod 24 is connected with a current transmission line 25, so that the device is convenient for workers to connect circuits, and the effect of ventilating and radiating the circuit breaker 1 is achieved;

bracing piece 18 is installed through the bearing frame in the surface of dwang 16, filter screen 19 is installed to one side of motor box 13, locating plate 20 is installed to one side of circuit breaker 1, the mid-mounting of protection cover box 8 bottom has the circuit to extend box a21, the mid-mounting at protection cover box 8 top has the circuit to extend box b22, the middle part that the circuit extended box b22 inner wall is connected with torsion spring 23, torsion spring 23's surface is connected with twine rope pole 24, twine the middle part on rope pole 24 surface and be connected with electric current transmission line 25.

The utility model discloses in, the device's working procedure as follows:

1. the circuit breaker 1, the limit triangle 5, the protective sleeve box 8, the connecting rod 10, the lantern ring 11 and the handle 12 are matched for operation, when in use, a worker installs the circuit breaker 1 on a current transmission line, the common circuit breaker 1 is exposed dangerously, because the plug-in box 3 is installed on the top of the circuit breaker 1 through the fixed rod 2, the connecting box 4 is installed inside the plug-in box 3, the limit triangle 5 is connected inside the connecting box 4 through the compression spring 6, the limit triangle 5 is convenient to move, the fixed box 7 is sleeved on the surface of the plug-in box 3, the plug-in box 3 of the circuit breaker 1 is connected with the fixed box 7 inside the protective sleeve box 8, then the circuit breaker 1 is protected, the movable groove 9 is arranged on one side of the protective sleeve box 8, the movable groove 9 can move the connecting rod 10 inside, the lantern ring 11 is installed at one end of the connecting rod 10, the lantern ring 11 is used for sheathing the switch of the circuit breaker 1, the other end of the connecting rod 10 is provided with the handle 12, and a worker can control the switch of the circuit breaker 1 by moving the handle 12, so that the effect of protecting the circuit breaker 1 is achieved;

2. the motor box 13, the fixing ring 14, the driving motor 15 and the fan blades 17 are matched to work, when in use, the device has higher internal temperature under long-term work, because the motor box 13 is arranged on one side of the protective sleeve box 8, the driving motor 15 is arranged in the motor box 13 through the fixing ring 14, the worker switches on the driving motor 15, the output end of the driving motor 15 drives the rotating rod 16 to rotate, the rotating rod 16 drives the fan blades 17 on the surface to rotate, and a filter screen 19 is installed at one side to filter dust conveniently, so that the device ventilates and dissipates heat to the internal circuit breaker 1, and a line extension box is installed at the top of the device, the inside of the line extension box is connected with a rope winding rod 24 through a torsion spring 23, the surface of the rope winding rod 24 is connected with a current transmission line 25, so that the device is convenient for workers to connect lines, and the effect of ventilating and radiating the circuit breaker 1 is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A circuit breaker with a residual current protection plastic case, comprising a circuit breaker (1), characterized in that: dead lever (2) are installed to one side at circuit breaker (1) top, peg box (3) are installed to the one end of dead lever (2), the internally mounted of peg box (3) has connecting box (4), the inside grafting of connecting box (4) has spacing set square (5), one side of spacing set square (5) is connected with compression spring (6), fixed box (7) have been cup jointed on the surface of peg box (3), protection cover box (8) are installed to one side of fixed box (7), movable groove (9) have been seted up to one side of protection cover box (8), one side of movable groove (9) is connected with connecting rod (10), lantern ring (11) are installed to the one end of connecting rod (10), handle (12) are installed to the other end of connecting rod (10).

2. A residual current protected plastic case circuit breaker according to claim 1, characterized in that: motor box (13) are installed to one side of protecting sheathing box (8), the internally mounted of motor box (13) has solid fixed ring (14), the internally mounted of solid fixed ring (14) has driving motor (15).

3. A residual current protected plastic case circuit breaker according to claim 2, characterized in that: the output of driving motor (15) is connected with dwang (16), the surface mounting of dwang (16) has flabellum (17).

4. A residual current protected plastic case circuit breaker according to claim 3, characterized in that: bracing piece (18) are installed through the bearing frame to the surface of dwang (16), filter screen (19) are installed to one side of motor box (13).

5. A residual current protected plastic case circuit breaker according to claim 1, characterized in that: a positioning plate (20) is installed on one side of the circuit breaker (1), and a circuit extension box a (21) is installed in the middle of the bottom of the protective sleeve box (8).

6. A residual current protected plastic case circuit breaker according to claim 1, characterized in that: and a circuit extension box b (22) is arranged in the middle of the top of the protective sleeve box (8), and a torsion spring (23) is connected in the middle of the inner wall of the circuit extension box b (22).

7. A residual current protected plastic case circuit breaker according to claim 6, characterized in that: the surface of the torsion spring (23) is connected with a rope winding rod (24), and the middle part of the surface of the rope winding rod (24) is connected with a current transmission line (25).