CN213026020U - Arc striking mechanism of residual current circuit breaker - Google Patents

Abstract

The utility model discloses an arc striking mechanism of a leakage circuit breaker, which comprises an installation column, a limiting ring, a limiting block, a spring, an arc striking sheet, a limiting plate and a magnetic block, the lower end of the outer side of the mounting column is welded with a limiting ring, both sides of the upper end surface of the limiting ring are welded with limiting blocks, one side of the limiting block is welded on one side of the mounting column, the spring is sleeved on the outer side of the mounting column, the mounting column is positioned at the upper side of the limiting ring, the lower side of one end of the arc striking sheet is welded at the upper end of the mounting column, the middle of one end of the arc striking piece, which is far away from the mounting column, is welded with a magnetic block, the limiting plate is arc-shaped, one end of the limiting plate is welded at the upper end of the spring, one end of the limiting plate, which is far away from the spring, is positioned in the middle of one side of the arc striking plate, and the limiting plate and the magnetic block are positioned at the same side of the arc striking plate, and the outside diameter of the spring is equal to that of the limiting ring. The utility model discloses be favorable to automatic control, and be convenient for to the advantage of electrical apparatus protection.

Description

Arc striking mechanism of residual current circuit breaker

Technical Field

The utility model relates to a residual current circuit breaker technical field specifically is a residual current circuit breaker's striking mechanism.

Background

Electric leakage breaker: a switch which can automatically act when the leakage current in the circuit exceeds a preset value. The conventional leakage circuit breaker is classified into a voltage type and a current type, and the current type is classified into an electromagnetic type and an electronic type. The earth leakage circuit breaker is used for preventing human body from electric shock and is selected according to different requirements of direct contact and indirect contact electric shock protection.

A large number of searches find that: chinese utility model patent: application number [ CN201721677524.X ], publication number [ CN207542178U ], the utility model discloses a miniature circuit breaker striking mechanism, its characterized in that: including the arc piece, the arc piece comprises main arc piece and the supplementary arc piece of controlling setting side by side, main arc piece is connected with supplementary arc piece, it is the form of encircleing to assist the arc piece, the rear side below of main arc piece is equipped with the portion of increasing magnetism, assist the arc piece with be the portion of increasing magnetism that encircles the form and be connected, the portion of increasing magnetism is connected with two gold guide plates. The utility model discloses an arc striking mechanism structure is more reasonable, compact, can attract the electric arc that produces when switching on in the circuit breaker high-efficiently, avoids the electric arc stream to scurry and causes the damage to the inside spare part of circuit breaker, has improved the stability and the life of its work.

Through leakage circuit breaker's use, be favorable to guaranteeing the safety of power consumption, and be connected the power of upside and the electrical apparatus of downside through striking mechanism in the leakage circuit breaker, be convenient for to the use of electrical apparatus, electric leakage appears when the electrical apparatus to and when the incident appears, striking mechanism can beat automatically, realizes the effect to the electrical apparatus outage, needs one kind now to be favorable to automatic control, and is convenient for to the striking mechanism of electrical apparatus protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an arc striking mechanism of residual-current circuit breaker possesses and is favorable to automatic control, and is convenient for to the advantage of electrical apparatus protection, has solved when the electric leakage appears in the electrical apparatus to and when the incident appears, but the arc striking mechanism automatic bounce realizes the problem to the effect of electrical apparatus outage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an arc striking mechanism of leakage circuit breaker, includes erection column, spacing ring, stopper, spring, run-on piece, limiting plate and magnetic path, the outside lower extreme welding of erection column has the spacing ring, the stopper has all been welded to the up end both sides of spacing ring, and one side welding of stopper is in one side of erection column, the spring cup joints in the outside of erection column, and the erection column is located the upside of spacing ring, the one end downside welding of run-on piece is in the upper end of erection column, the run-on piece deviates from the one end of erection column and locates to weld in the middle of one side of the one end of erection column has the magnetic path, the limiting plate is circular-arcly, the one end welding of limiting plate is in the upper end of spring, the one end that the limiting plate deviates from the spring is located the middle of one side of run.

Preferably, the outer diameter of the spring is equal to that of the limiting ring, and the height of the spring is smaller than that of the mounting column.

Preferably, the width of the limiting block is equal to that of the limiting ring, and the outer side of the limiting block is flush with the outer side of the limiting ring.

Preferably, the thickness of the arc striking plate is smaller than the diameter of the mounting column, the height of the arc striking plate is larger than that of the magnetic block, and the length of the arc striking plate is larger than that of the magnetic block.

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

1. the utility model discloses a set up limiting plate (and magnetic path, be favorable to playing the effect of control to the striking piece, the striking piece passes through the erection column and installs the inside at earth-leakage protector, the striking piece is under the effect of limiting plate simultaneously, the one end that makes the striking piece contacts with the inside contact piece of earth-leakage protector, be favorable to making electrical apparatus switch-on, electrical apparatus breaks down simultaneously, when dangerous, beat the opposite side of the inside contact piece of earth-leakage protector with the striking piece under the effect of magnetic path, through striking piece switching on, make the electrical equipment outage, the safe handling of the electrical apparatus of being convenient for.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. mounting a column; 2. a limiting ring; 3. a limiting block; 4. a spring; 5. an arc striking sheet; 6. a limiting plate; 7. a magnetic block.

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 to fig. 3, the present invention provides an embodiment: an arc striking mechanism of a leakage circuit breaker comprises an installation column 1, a limiting ring 2, limiting blocks 3, a spring 4, an arc striking sheet 5, a limiting plate 6 and magnetic blocks 7, wherein the limiting ring 2 is welded at the lower end of the outer side of the installation column 1, the limiting blocks 3 are welded on two sides of the upper end face of the limiting ring 2, one side of each limiting block 3 is welded on one side of the installation column 1, the spring 4 is sleeved on the outer side of the installation column 1, the installation column 1 is positioned on the upper side of the limiting ring 2, the lower side of one end of each arc striking sheet 5 is welded on the upper end of the installation column 1, the magnetic blocks 7 are welded in the middle of one end of each arc striking sheet 5, which is far away from the installation column 1, the limiting plate 6 is arc-shaped, one end of the limiting plate 6 is welded on the upper end of the spring 4, one end of the limiting plate 6, which is far away from the spring 4, is positioned in the, meanwhile, the arc striking plate 5 is under the action of the limiting plate 6, one end of the arc striking plate 5 is in contact with the contact piece inside the leakage protector, power on of an electric appliance is facilitated, the electric appliance breaks down, when danger occurs, the arc striking plate 5 is jumped to the other side of the contact piece inside the leakage protector under the action of the magnetic block 7, power off of the electric appliance is achieved through the arc striking plate 5, and the safe use of the electric appliance is facilitated.

The outside diameter of spring 4 is equal with the outside diameter of spacing ring 2, and the height of spring 4 is less than the height of erection column 1.

The width of stopper 3 equals with the width of spacing ring 2, and the outside of stopper 3 flushes mutually with the outside of spacing ring 2.

The thickness of the arc striking piece 5 is smaller than the diameter of the mounting column 1, the height of the arc striking piece 5 is larger than that of the magnetic block 7, and the length of the arc striking piece 5 is larger than that of the magnetic block 7.

The working principle is as follows: the utility model discloses in operation, the inside at earth-leakage protector is installed through erection column 1 to run-on arc piece 5, run-on arc piece 5 is under limiting plate 6's effect simultaneously, make the one end of run-on arc piece 5 contact with the inside contact piece of earth-leakage protector, be favorable to making electrical apparatus switch on, electrical apparatus breaks down simultaneously, when dangerous, beat the opposite side of the inside contact piece of earth-leakage protector with run-on arc piece 5 under the effect of magnetic path 7, through run-off arc piece 5 power-off, make the electrical equipment outage, the safe handling of the electrical apparatus of being convenient for. The working principle of the present invention is the above.

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 (4)

1. The utility model provides an arc striking mechanism of residual current circuit breaker, includes erection column (1), spacing ring (2), stopper (3), spring (4), striking piece (5), limiting plate (6) and magnetic path (7), its characterized in that: the lower end of the outer side of the mounting column (1) is welded with a limiting ring (2), both sides of the upper end surface of the limiting ring (2) are welded with limiting blocks (3), one side of the limiting block (3) is welded on one side of the mounting column (1), the spring (4) is sleeved on the outer side of the mounting column (1), the mounting column (1) is positioned at the upper side of the limiting ring (2), the lower side of one end of the arc striking sheet (5) is welded at the upper end of the mounting column (1), a magnetic block (7) is welded in the middle of one end of the arc striking sheet (5) which is far away from the mounting column (1), the limiting plate (6) is arc-shaped, one end of the limiting plate (6) is welded at the upper end of the spring (4), one end of the limiting plate (6) departing from the spring (4) is positioned in the middle of one side of the arc striking plate (5), and the limiting plate (6) and the magnetic block (7) are positioned at the same side of the arc striking sheet (5).

2. An arc striking mechanism of a residual current circuit breaker according to claim 1, characterized in that: the outer diameter of the spring (4) is equal to that of the limiting ring (2), and the height of the spring (4) is smaller than that of the mounting column (1).

3. An arc striking mechanism of a residual current circuit breaker according to claim 1, characterized in that: the width of stopper (3) equals with the width of spacing ring (2), the outside of stopper (3) flushes mutually with the outside of spacing ring (2).

4. An arc striking mechanism of a residual current circuit breaker according to claim 1, characterized in that: the thickness of the arc striking piece (5) is smaller than the diameter of the mounting column (1), the height of the arc striking piece (5) is larger than that of the magnetic block (7), and the length of the arc striking piece (5) is larger than that of the magnetic block (7).

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