CN210142632U

CN210142632U - Closing electromagnetic structure of circuit breaker

Info

Publication number: CN210142632U
Application number: CN201921497541.4U
Authority: CN
Inventors: 陈银丰
Original assignee: Shangrao Shangyu Intelligent Electric Co Ltd
Current assignee: Shangrao Shangyu Intelligent Electric Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-03-13
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a combined floodgate electromagnetism technical field of circuit breaker specifically is a combined floodgate electromagnetism structure of circuit breaker, including the yoke axle sleeve, the inner chamber of yoke axle sleeve is provided with the ladder inner chamber, and the left end face of yoke axle sleeve is provided with quiet iron core, and the right-hand member face of yoke axle sleeve is provided with the end cover, and the left side internal diameter of ladder inner chamber is greater than the internal diameter on right side, and beneficial effect is: the utility model has the advantages that the coil wheel with the spaced grooves is arranged, so that the coil can realize layered segmentation, the heat accumulation of the coil is prevented, and the purpose of heat dissipation is realized; through the movable iron core that sets up to have the spout, utilize the cooperation of cushion and spout, and then control movable iron core's sliding distance, realize the purpose that control current passes through the size.

Description

Closing electromagnetic structure of circuit breaker

Technical Field

The utility model relates to a combined floodgate electromagnetism technical field of circuit breaker specifically is a combined floodgate electromagnetism structure of circuit breaker.

Background

When the circuit breaker is operated, the current can magnetize the electromagnet, the magnetic force generated by the electromagnet is enhanced along with the enhancement of the current, and the magnetic force is weakened when the current is reduced. When the current jumps to a dangerous level, the electromagnet generates a magnetic force large enough to pull a metal rod connected to the switch linkage, tilt the moving contactor away from the stationary contactor, and interrupt the current by breaking the circuit, thereby protecting the circuit.

The coil is all twined together in current circuit breaker, and when current flowed through like this, because the coil has the resistance, and then produces a large amount of heats, along with thermal gathering, causes the inside electrical component of circuit breaker to destroy easily, reduces the life of circuit breaker.

Therefore, the closing electromagnetic structure of the circuit breaker is provided to solve the problem of heat generation of a coil in the circuit breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined floodgate electromagnetism structure of circuit breaker 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 closing electromagnetic structure of a circuit breaker comprises a yoke shaft sleeve, wherein a stepped inner cavity is arranged in an inner cavity of the yoke shaft sleeve, a static iron core is arranged on the left end face of the yoke shaft sleeve, an end cover is arranged on the right end face of the yoke shaft sleeve, the left inner diameter of the stepped inner cavity is larger than the right inner diameter, an insulating wheel is sleeved in the left inner cavity of the stepped inner cavity, a pair of sliding grooves which are symmetrical up and down are arranged in the right inner cavity of the stepped inner cavity, a push rod is inserted in the middle of the inner cavity of the stepped inner cavity, a movable iron core is slidably arranged in the inner cavity of the sliding grooves, a plurality of cushion blocks which are distributed linearly are arranged on the right side of the inner cavity of the sliding grooves in a sliding mode, the push rod sequentially penetrates through the static iron core, the insulating wheel, the movable iron core and the end cover from left, a reset spring is sleeved in the middle of the inner cavity of the through hole, and a coil is wound in the inner cavity of the groove.

Preferably, quiet iron core and end cover all closely laminate with the yoke axle sleeve, and quiet iron core and end cover pass through bolt fixed connection yoke axle sleeve.

Preferably, the left side of the sliding groove extends to the position with the inner diameter of the inner cavity of the step and the right side of the sliding groove extends to the left side of the end cover.

Preferably, the reset spring is sleeved on the outer wall of the push rod, the left end of the reset spring is abutted to the right end face of the static iron core, and the right end of the reset spring is abutted to the left end face of the movable iron core.

Preferably, the interlude outer wall of push rod is provided with the step shaft footpath, the right side outer wall sliding sleeve of step shaft footpath moves the iron core, it is provided with the cushion chamber to move between the left end face of iron core and the left end face of end cover.

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

1. the utility model has the advantages that the coil wheel with the spaced grooves is arranged, so that the coil can realize layered segmentation, the heat accumulation of the coil is prevented, and the purpose of heat dissipation is realized;

2. the utility model discloses a setting has the movable iron core of spout, utilizes the cooperation of cushion and spout, and then the sliding distance of iron core is moved in control, realizes the purpose that control current passes through the size.

Drawings

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

fig. 2 is a schematic view of the structure of the insulation wheel of the present invention.

In the figure: 1 yoke axle sleeve, 2 quiet iron cores, 3 end covers, 4 ladder inner chambers, 5 insulating pulleys, 6 grooves, 7 coils, 8 bolts, 9 push rods, 10 chutes, 11 movable iron cores, 12 ladder shaft diameters, 13 reset springs, 14 cushion blocks, 15 buffer cavities and 16 through holes.

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 2, the present invention provides a technical solution:

the utility model provides a closing electromagnetism structure of circuit breaker, includes yoke axle sleeve 1, and the inner chamber of yoke axle sleeve 1 is provided with ladder inner chamber 4, and the left side internal diameter of ladder inner chamber 4 is greater than the right side internal diameter, and then realizes the installation of different external diameter components.

The left end face of yoke axle sleeve 1 is provided with quiet iron core 2, and the right-hand member face of yoke axle sleeve 1 is provided with end cover 3, and quiet iron core 2 and end cover 3 all closely laminate with yoke axle sleeve 1, and quiet iron core 2 and end cover 3 pass through bolt 8 fixed connection yoke axle sleeve 1, utilize quiet iron core 2 and end cover 3 to realize the sealed at both ends about yoke axle sleeve 1.

Insulating wheel 5 has been cup jointed to the left side inner chamber of ladder inner chamber 4, and the outer wall of insulating wheel 5 is provided with a plurality of recesses 6 of linear distribution, and the inner chamber of recess 6 sets up the winding and has coil 7 for coil 7 realizes the layering segmentation, prevents 7 heat aggregations of coil, realizes radiating purpose.

The right side inner chamber of ladder inner chamber 4 is provided with a pair of spout 10 of longitudinal symmetry, and the left side of spout 10 extends to the internal diameter of ladder inner chamber 4 and shifts, and the right side of spout 10 extends to the left side of end cover 3, and the inner chamber slidable mounting of spout 10 has movable iron core 11, utilizes spout 10 to realize movable iron core 11's slidable mounting.

Peg graft in the middle of the inner chamber of ladder inner chamber 4 and have push rod 9, push rod 9 from left to right runs through quiet iron core 2, insulating wheel 5, moves iron core 11 and end cover 3 in proper order, and the interlude outer wall of push rod 9 is provided with ladder footpath 12, and the right side outer wall sliding sleeve of ladder footpath 12 moves iron core 11, moves and is provided with cushion chamber 15 between the right-hand member face of iron core 11 and the left end face of end cover 3, utilizes push rod 9 to realize driving the purpose of moving iron core 11 motion.

The right side of the inner cavity of the sliding chute 10 is provided with a plurality of cushion blocks 14 which are linearly distributed, the cushion blocks 14 are inserted in the inner cavity of the sliding chute 10 in a sliding mode, and the cushion blocks 14 are matched with the sliding chute 10 to further control the sliding distance of the movable iron core 11, so that the purpose of controlling the passing size of current is achieved.

The terminal surface is provided with through-hole 16 about insulating wheel 5, and the left side of through-hole 16 is pegged graft and is had quiet iron core 2, has cup jointed reset spring 13 in the middle of the inner chamber of through-hole 16, and reset spring 13 cup joints the outer wall at push rod 9, and reset spring 13's left end supports the right-hand member face at quiet iron core 2, and reset spring 13's right-hand member supports the left end face at moving iron core 11, utilizes reset spring 13 to realize the circular telegram that resets of circuit breaker.

The working principle is as follows: utilize quiet iron core 2 and end cover 3 to realize the sealed at both ends about yoke axle sleeve 1, the outer wall of insulating wheel 5 is provided with a plurality of recesses 6 of linear distribution, and the inner chamber of recess 6 sets up the winding and has coil 7 for coil 7 realizes the layering segmentation, prevents 7 heat aggregations of coil, realizes radiating purpose.

The sliding installation of the movable iron core 11 is realized by utilizing the sliding chute 10, and the sliding distance of the movable iron core 11 is further controlled by matching the cushion block 14 with the sliding chute 10, so that the purpose of controlling the passing magnitude of the current is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a closing electromagnetism structure of circuit breaker, includes yoke axle sleeve (1), its characterized in that: the inner cavity of the yoke shaft sleeve (1) is provided with a step inner cavity (4), the left end face of the yoke shaft sleeve (1) is provided with a static iron core (2), the right end face of the yoke shaft sleeve (1) is provided with an end cover (3), the left inner diameter of the step inner cavity (4) is larger than the right inner diameter, the left inner cavity of the step inner cavity (4) is sleeved with an insulating wheel (5), the right inner cavity of the step inner cavity (4) is provided with a pair of sliding chutes (10) which are symmetrical up and down, a push rod (9) is inserted in the middle of the inner cavity of the step inner cavity (4), a movable iron core (11) is slidably installed in the inner cavity of the sliding chutes (10), a plurality of cushion blocks (14) which are distributed linearly are arranged on the right side of the inner cavity of the sliding chutes (10), the cushion blocks (14) are slidably inserted in the inner cavity of the sliding chutes (10, the outer wall of insulating wheel (5) is provided with a plurality of recesses (6) of linear distribution, and the terminal surface is provided with through-hole (16) about insulating wheel (5), the left side of through-hole (16) is pegged graft and is had quiet iron core (2), has cup jointed reset spring (13) in the middle of the inner chamber of through-hole (16), the inner chamber of recess (6) sets up the winding and has coil (7).

2. The closing electromagnetic structure of a circuit breaker according to claim 1, characterized in that: quiet iron core (2) and end cover (3) all closely laminate with yoke axle sleeve (1), and quiet iron core (2) and end cover (3) pass through bolt (8) fixed connection yoke axle sleeve (1).

3. The closing electromagnetic structure of a circuit breaker according to claim 1, characterized in that: the left side of the sliding groove (10) extends to the inner diameter changing position of the stepped inner cavity (4), and the right side of the sliding groove (10) extends to the left side of the end cover (3).

4. The closing electromagnetic structure of a circuit breaker according to claim 1, characterized in that: the reset spring (13) is sleeved on the outer wall of the push rod (9), the left end of the reset spring (13) abuts against the right end face of the static iron core (2), and the right end of the reset spring (13) abuts against the left end face of the movable iron core (11).

5. The closing electromagnetic structure of a circuit breaker according to claim 1, characterized in that: the middle section outer wall of push rod (9) is provided with stepped shaft footpath (12), the right side outer wall sliding sleeve of stepped shaft footpath (12) moves iron core (11), be provided with between the right-hand member face of moving iron core (11) and the left end face of end cover (3) cushion chamber (15).