CN217485363U - Low-voltage apparatus contactor iron core subassembly - Google Patents

Abstract

The utility model provides a low-voltage apparatus contactor iron core subassembly, include: quiet iron core with move the iron core, quiet iron core with move one side that the iron core kept away from each other and all seted up two first spacing grooves, quiet iron core with move the groove of iron core and all seted up the second spacing groove, quiet iron core with move equal fixed mounting on the iron core and have a plurality of rivets. The utility model discloses a set up first spacing groove and second spacing groove, so that the maintainer accomplishes through the one hand to quiet iron core or move the spacing of iron core, and polish to quiet iron core and the contact position who moves the iron core through another handheld file, make quiet iron core and move the iron core and be convenient for to control through last structural design, demolish spacing part and branch magnetic ring through dismantling fastening bolt, the dust of avoiding polishing the in-process production can fall into the contact position of quiet iron core and branch magnetic ring, the clearance degree of difficulty of rust stain has been reduced, maintainer's maintenance efficiency has been improved.

Description

Low-voltage apparatus contactor iron core subassembly

Technical Field

The utility model relates to a motor manufacturing technology field especially relates to a low-voltage apparatus contactor iron core subassembly.

Background

The contactor is divided into an alternating current contactor and a direct current contactor, is applied to the occasions of electric power, power distribution and power utilization, is widely used for closing a contact to achieve an electric appliance for controlling a load by utilizing a magnetic field generated by current flowing through a coil in industrial electricity, and is used for closing the contact to achieve the electric power for controlling the load by generating the magnetic field in the coil by the current flowing through the coil.

The iron core of the low-voltage electrical apparatus contactor is mostly made of ferromagnetic materials such as silicon steel sheets, when the contactor is used in a special environment for a long time, the contact surfaces of the movable iron core and the static iron core in the iron core assembly are rusted, the corrosion can affect the electromagnetic performance of the iron core as a ferromagnetic material, so that buzzing is generated on the contactor, the use risk of the contactor is increased, and potential safety hazards of electricity utilization are caused, the existing mode for removing the corrosion on the contact surface of the movable iron core and the static iron core is to manually polish, and the structural design who moves iron core and quiet iron core makes it be not convenient for control when polishing, and generally compresses tightly on the quiet iron core has two fixed branch magnetic rings, and the dust that the in-process of polishing produced can fall into the contact position of branch magnetic ring with quiet iron core, has increased the clearance degree of difficulty of rust stain, has reduced maintainer's maintenance efficiency, consequently, this application provides a low-voltage apparatus contactor iron core subassembly and has satisfied above-mentioned demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, a low-voltage apparatus contactor iron core subassembly is provided, through setting up first spacing groove and second spacing groove, so that the maintainer accomplishes through the one hand to quiet iron core or move the spacing of iron core, and polish to quiet iron core and the contact position who moves the iron core through the file is held to another hand, make quiet iron core and move the iron core and be convenient for to control through last structural design, demolish spacing part and branch magnetic ring through dismantling fastening bolt, the dust of avoiding polishing the in-process production can fall into quiet iron core and the contact position who divides the magnetic ring, the clearance degree of difficulty of rust stain has been reduced, the maintenance efficiency of maintainer has been improved.

In order to achieve the above object, the utility model provides a following technical scheme: a low-voltage electrical apparatus contactor core assembly, comprising: quiet iron core with move the iron core, quiet iron core with move one side that the iron core kept away from each other and all seted up two first spacing grooves, quiet iron core with move the groove of iron core and all seted up the second spacing groove, quiet iron core with move equal fixed mounting on the iron core and have a plurality of rivets, be close to two at quiet iron core both ends the both ends of rivet all set up threaded hole, threaded hole has fastening bolt through threaded connection, the third spacing groove has all been seted up at the both ends of quiet iron core, the fixed cover of third spacing inslot is equipped with divides the magnetic ring, divide install on the magnetic ring with divide the magnetic ring to fix the spacing part of third spacing inslot, spacing part with fastening bolt fixedly cup joints.

Preferably, a plurality of first anti-slip grooves are formed in one side, close to each other, of each of the two first limiting grooves on the same iron core, and a plurality of second anti-slip grooves are formed in one side, far away from each other, of each of the static iron core and the movable iron core.

Preferably, the first limiting groove and the second limiting groove are both arc-shaped grooves, and rounded corners are formed at the edges of the first limiting groove, the first anti-slip groove, the second anti-slip groove and the second limiting groove.

Preferably, the sub-magnetic ring is fixedly sleeved with two groups of limiting hoops, each group of limiting hoops comprises two limiting hoops, and the two groups of limiting hoops are symmetrical to each other.

Preferably, the limiting component comprises two limiting sleeves fixedly sleeved on the sub-magnetic ring, and two sides of each limiting sleeve are respectively abutted against one side, close to each other, of the two limiting hoops in the same group.

Preferably, a plurality of bulges are circumferentially arranged on the limiting sleeve.

Preferably, a plurality of annular grooves are formed in the inner side of the sub-magnetic ring, rubber rings are clamped in the annular grooves, the rubber rings are abutted against the inner wall of the third limiting groove, two first rubber pads are symmetrically and fixedly mounted at the bottom of the sub-magnetic ring, the first rubber pads are abutted against the bottom of the third limiting groove, a second rubber pad is fixedly mounted on one side, close to each other, of each of two limiting sleeves on the same sub-magnetic ring, and one side, far away from each limiting sleeve, of each second rubber pad is abutted against the static iron core.

Preferably, a nut of the fastening bolt interferes with the protrusion.

Preferably, the magnetic dividing ring is made of hard plastics, and the rubber ring, the first rubber pad and the second rubber pad are made of flexible plastics.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a set up first spacing groove and second spacing groove, so that the maintainer accomplishes through the one hand to quiet iron core or move the spacing of iron core, and polish to quiet iron core and the contact position who moves the iron core through the other hand file, make quiet iron core and move the iron core and be convenient for control through last structural design, demolish spacing part and branch magnetic ring through dismantling fastening bolt, the dust of avoiding polishing the in-process production can fall into the contact position of quiet iron core and branch magnetic ring, the clearance degree of difficulty of rust stain has been reduced, the maintenance efficiency of maintainer has been improved.

(2) The utility model discloses a set up first antiskid groove and second antiskid groove, first antiskid groove and second antiskid groove improve quiet iron core and move the frictional force of iron core one side, further improve the maintainer to quiet iron core and move the stability of controlling of iron core, first spacing groove and the second spacing groove through the arc wall design are in order to improve the suitability with the maintainer finger tip, avoid the maintainer to grip quiet iron core and by the edges and corners fish tail when moving the iron core through seting up the chamfer to avoid gripping quiet iron core for a long time and move the discomfort that the iron core leads to.

(3) The utility model discloses a set up stop collar and fastening bolt, lift back off fastening bolt from quiet iron core through the screwdriver, fastening bolt breaks away from with the through-hole, can directly extract branch magnetic ring and stop collar to the one side of keeping away from quiet iron core this moment, reverse operation can divide magnetic ring and stop collar to install, the dismouting is convenient, and is simple and convenient, and simultaneously, can provide holding power to the fastening bolt who screws up through the stop collar, avoid leading to fastening bolt 13 pine to take off under the long-term vibrations that move iron core and quiet iron core contact production, guarantee fastening bolt 13's fastening stability.

(4) The utility model discloses a set up rubber circle, first rubber pad and improved the installation stability of quiet iron core, avoid dividing magnetic ring and quiet iron core direct contact simultaneously to prevent under the effect of the iron core that moves of continuous motion, divide the magnetic ring to produce relative motion with quiet iron core and lead to the friction to play the powder, to quiet iron core and the junction that moves the iron core cause the pollution, influence the normal use of contactor, set up the second rubber pad in order to avoid stop collar and quiet iron core direct contact friction to play the powder on the same principle.

To sum up, the utility model discloses a set up first spacing groove and second spacing groove to in the maintenance personal accomplish through the one hand quiet iron core or move the spacing of iron core, and polish to quiet iron core and the contact position who moves the iron core through another handheld file, make quiet iron core and move the iron core and be convenient for to control through last structural design, demolish spacing part and branch magnetic ring through dismantling fastening bolt, the dust of avoiding polishing the in-process production can fall into the contact position of quiet iron core and branch magnetic ring, the clearance degree of difficulty of rust stain has been reduced, the maintenance efficiency of maintainer has been improved.

Drawings

FIG. 1 is a schematic perspective view of an iron core assembly of a contactor for low voltage electrical apparatus;

FIG. 2 is an enlarged schematic perspective view of the assembled stationary core and position limiting member;

FIG. 3 is an enlarged schematic perspective view of the assembled static iron core and rivet;

FIG. 4 is an enlarged schematic perspective view of the assembled position-limiting component and sub-magnetic ring;

FIG. 5 is an enlarged perspective view of the position-limiting member;

fig. 6 is an enlarged schematic three-dimensional structure diagram of the magnetic shunt ring.

Reference numerals: 1. a stationary core; 2. a movable iron core; 3. a first limit groove; 4. a first anti-slip groove; 5. a second anti-slip groove; 6. a second limit groove; 7. riveting; 8. a third limiting groove; 9. dividing a magnetic ring; 10. a limiting hoop; 11. a limiting sleeve; 12. a threaded hole; 13. fastening a bolt; 14. a rubber ring; 15. a first rubber pad; 16. A second rubber pad; 17. and (4) protruding.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1-2, a low-voltage apparatus contactor core assembly comprises: quiet iron core 1 with move iron core 2, quiet iron core 1 with move one side that iron core 2 kept away from each other and all seted up two first spacing grooves 3, quiet iron core 1 with move the groove of iron core 2 and all seted up second spacing groove 6, quiet iron core 1 with move equal fixed mounting on the iron core 2 have a plurality of rivets 7, the both ends of two rivets 7 that are close to quiet iron core 1 both ends all seted up screw hole 12, there is fastening bolt 13 through threaded connection in the screw hole 12, third spacing groove 8 has all been seted up at the both ends of quiet iron core 1, fixed cover is equipped with branch magnetic ring 9 in third spacing groove 8, divide and install on the magnetic ring 9 and divide the spacing part of magnetic ring 9 fixation in third spacing groove 8, spacing part cup joints with fastening bolt 13 is fixed.

When the rust corrosion is detected at the contact position of the static iron core 1 and the movable iron core 2, the static iron core 1 and the movable iron core 2 are removed from the contact, the fastening bolt 13 is detached through the screwdriver, after the sleeving connection of the limiting part is released, the limiting part and the magnetism dividing ring 9 are detached together, the thumb is used for pressing the first limit groove 3 on one side, the index finger and the middle finger are respectively used for pressing the two second limit grooves 6, so as to finish the limit of the static iron core 1 or the movable iron core 2 by one hand, and then polish the contact position of the static iron core 1 and the movable iron core 2 by holding a file by the other hand, make quiet iron core 1 and move iron core 2 and be convenient for control through last structural design, demolish spacing part and branch magnetic ring 9 through dismantling fastening bolt 13, the dust of avoiding polishing the in-process production can fall into quiet iron core 1 and the contact position who divides magnetic ring 9, has reduced the clearance degree of difficulty of rust, has improved maintainer's maintenance efficiency.

As shown in fig. 1-3, in this embodiment, a plurality of first anti-slip grooves 4 are formed on both sides of two first limiting grooves 3 located on the same iron core, which are close to each other, and a plurality of second anti-slip grooves 5 are formed on both sides of the static iron core 1 and the movable iron core 2, which are far from each other; first spacing groove 3 and second spacing groove 6 are the arc wall, and the fillet has all been seted up in the edge of first spacing groove 3, first antiskid groove 4, second antiskid groove 5, second spacing groove 6.

Improve quiet iron core 1 and move the frictional force of iron core 2 one side through first antiskid ribbed tile 4 and second antiskid ribbed tile 5, further improve the maintainer to quiet iron core 1 and move iron core 2 control stability, first spacing groove 3 and second spacing groove 6 through the arc wall design are in order to improve the suitability with the maintainer finger tip, avoid the maintainer to grip quiet iron core 1 and move by the edges and corners fish tail when iron core 2 through seting up the chamfer, and avoid gripping quiet iron core 1 for a long time and move the discomfort that iron core 2 leads to.

As shown in fig. 4 and fig. 6, in the present embodiment, two sets of position limiting hoops 10 are fixedly sleeved on the sub-magnetic ring 9, each set of position limiting hoop 10 includes two position limiting hoops 10, and the two sets of position limiting hoops 10 are symmetrical to each other; the limiting component comprises two limiting sleeves 11 fixedly sleeved on the sub-magnetic ring 9, and two sides of each limiting sleeve 11 are respectively abutted against one side, close to each other, of the two limiting hoops 10 in the same group.

After lifting fastening bolt 13 off from quiet iron core 1 through the screwdriver, fastening bolt 13 breaks away from with the through-hole, can directly extract branch magnetic ring 9 and stop collar 11 to the one side of keeping away from quiet iron core 1 this moment, reverse operation can be installed branch magnetic ring 9 and stop collar 11, the dismouting is convenient, and is simple and convenient, and simultaneously, can provide the power of controlling to the fastening bolt 13 of screwing up through stop collar 11, avoid leading to fastening bolt 13 pine to take off under the long-term vibrations of moving iron core 2 and the production of quiet iron core 1 contact, guarantee fastening bolt 13's fastening stability.

As shown in fig. 4-5, in this embodiment, a chamfer is formed at one end of the bar-shaped member away from the frame-shaped member, a plurality of protrusions are circumferentially disposed on the position-limiting sleeve 11, the nut of the fastening bolt 13 abuts against the protrusions, when the nut of the fastening bolt 13 abuts against the protrusions, the protrusions are extruded and deformed, so as to increase the friction force on the fastening bolt 13, and further improve the holding force between the fastening bolt 13 and the rivet 7.

As shown in fig. 1, 4, and 6, in this embodiment, a plurality of annular grooves are formed in the inner side of the sub-magnetic ring 9, a rubber ring 14 is clamped in each annular groove, the rubber ring 14 abuts against the inner wall of the third limiting groove 8, two first rubber pads 15 are symmetrically and fixedly mounted at the bottom of the sub-magnetic ring 9, the first rubber pads 15 abut against the bottom of the third limiting groove 8, a second rubber pad 16 is fixedly mounted at one side of each of two limiting sleeves 11 on the same sub-magnetic ring 9, one side of each of the second rubber pads 16 away from the corresponding limiting sleeve 11 abuts against the stationary core 1, the sub-magnetic ring 9 is made of rigid plastic, and the rubber ring 14, the first rubber pads 15, and the second rubber pads 16 are made of flexible plastic.

Through setting up rubber circle 14, first rubber pad 15 has improved the installation stability of quiet iron core 1, avoid dividing magnetic ring 9 and quiet iron core 1 direct contact simultaneously, in order to prevent under the effect of the iron core 2 that moves of continuous motion, divide magnetic ring 9 and quiet iron core 1 to produce relative motion and lead to the friction to play the powder, cause the pollution to quiet iron core 1 and the junction of moving iron core 2, influence the normal use of contactor, set up second rubber pad 16 in order to avoid stop collar 11 and quiet iron core 1 direct contact friction to play the powder in the same way.

Working procedure

When the rust is detected to be generated at the contact position of the static iron core 1 and the movable iron core 2, the static iron core 1 and the movable iron core 2 are removed from the contact, the fastening bolt 13 is detached by a screwdriver, after the sleeve connection of the limiting part is released, the limiting part and the magnetic separating ring 9 are detached together, the first limit groove 3 at one side is pressed by the thumb, the two second limit grooves 6 are respectively pressed by the index finger and the middle finger, so as to finish the limit of the static iron core 1 or the movable iron core 2 by one hand, and then polish the contact position of the static iron core 1 and the movable iron core 2 by holding a file by the other hand, make quiet iron core 1 and move iron core 2 and be convenient for control through last structural design, demolish spacing part and branch magnetic ring 9 through dismantling fastening bolt 13, the dust of avoiding polishing the in-process production can fall into quiet iron core 1 and the contact position who divides magnetic ring 9, has reduced the clearance degree of difficulty of rust, has improved maintainer's maintenance efficiency.

Improve quiet iron core 1 and move the frictional force of iron core 2 one side through first antiskid ribbed tile 4 and second antiskid ribbed tile 5, further improve the maintainer to quiet iron core 1 and move iron core 2 control stability, first spacing groove 3 and second spacing groove 6 through the arc wall design are in order to improve the suitability with the maintainer finger tip, avoid the maintainer to grip quiet iron core 1 and move by the edges and corners fish tail when iron core 2 through seting up the chamfer, and avoid gripping quiet iron core 1 for a long time and move the discomfort that iron core 2 leads to.

After lifting fastening bolt 13 off from quiet iron core 1 through the screwdriver, can directly extract branch magnetic ring 9 and stop collar 11 to the one side of keeping away from quiet iron core 1 this moment, reverse operation can divide magnetic ring 9 and stop collar 11 to install, the dismouting is convenient, and is simple and convenient, and simultaneously, can provide the power of controlling to the fastening bolt 13 of screwing up through stop collar 11, avoid leading to fastening bolt 13 pine to take off under the long-term vibrations of moving iron core 2 and the production of quiet iron core 1 contact, guarantee fastening bolt 13's fastening stability.

Through setting up rubber circle 14, first rubber pad 15 has improved the installation stability of quiet iron core 1, avoid dividing magnetic ring 9 and quiet iron core 1 direct contact simultaneously, in order to prevent under the effect of the iron core 2 that moves of continuous motion, divide magnetic ring 9 and quiet iron core 1 to produce relative motion and lead to the friction to play the powder, cause the pollution to quiet iron core 1 and the junction of moving iron core 2, influence the normal use of contactor, set up second rubber pad 16 in order to avoid stop collar 11 and quiet iron core 1 direct contact friction to play the powder in the same way.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A low-voltage apparatus contactor core assembly, comprising: the movable iron core comprises a static iron core (1) and a movable iron core (2), wherein two first limiting grooves (3) are formed in one side, away from each other, of the static iron core (1) and one side, away from the movable iron core (2), of the movable iron core (2), second limiting grooves (6) are formed in grooves of the static iron core (1) and the movable iron core (2), a plurality of rivets (7) are fixedly mounted on the static iron core (1) and the movable iron core (2), threaded holes (12) are formed in two ends, close to two ends of the static iron core (1), of the two rivets (7), fastening bolts (13) are connected in the threaded holes (12) through threads, third limiting grooves (8) are formed in two ends of the static iron core (1), sub-magnetic rings (9) are fixedly sleeved in the third limiting grooves (8), limiting parts for fixing the sub-magnetic rings (9) in the third limiting grooves (8) are mounted on the sub-magnetic rings (9), the limiting component is fixedly sleeved with the fastening bolt (13).

2. The core assembly of a low-voltage apparatus contactor according to claim 1, wherein a plurality of first anti-slip grooves (4) are formed on the side, close to each other, of the two first limiting grooves (3) on the same core, and a plurality of second anti-slip grooves (5) are formed on the side, far away from each other, of the stationary core (1) and the movable core (2).

3. The low-voltage apparatus contactor core assembly according to claim 2, wherein the first limiting groove (3) and the second limiting groove (6) are arc-shaped grooves, and edges of the first limiting groove (3), the first anti-slip groove (4), the second anti-slip groove (5) and the second limiting groove (6) are provided with round corners.

4. A low-voltage apparatus contactor core assembly as claimed in claim 1, wherein said shunt ring (9) is fixedly sleeved with two sets of position-limiting hoops (10), each set of said position-limiting hoops (10) comprises two position-limiting hoops (10), and two sets of said position-limiting hoops (10) are symmetrical to each other.

5. A low-voltage apparatus contactor core assembly as claimed in claim 4, wherein said spacing means comprises two spacing sleeves (11) fixedly sleeved on said sub-magnetic ring (9), and two sides of said spacing sleeves (11) respectively abut against the sides of the same set of two said spacing hoops (10) close to each other.

6. A core assembly for a low-voltage apparatus contactor according to claim 5, characterized in that said stop collar (11) is circumferentially provided with a plurality of protrusions (17).

7. The low-voltage apparatus contactor iron core assembly as claimed in claim 5, wherein a plurality of annular grooves are formed on the inner side of the sub-magnetic ring (9), rubber rings (14) are clamped in the annular grooves, the rubber rings (14) are abutted against the inner wall of the third limiting groove (8), two first rubber pads (15) are symmetrically and fixedly mounted at the bottom of the sub-magnetic ring (9), the first rubber pads (15) are abutted against the bottom of the third limiting groove (8), a second rubber pad (16) is fixedly mounted on one side of the same sub-magnetic ring (9) where the two limiting sleeves (11) are close to each other, and one side of the second rubber pad (16) far away from the limiting sleeves (11) is abutted against the stationary iron core (1).

8. A low-voltage apparatus contactor core assembly according to claim 6, characterized in that the nut of said fastening bolt (13) interferes with said projection (17).

9. The core assembly for a low-voltage apparatus contactor according to claim 7, wherein the magnetic dividing ring (9) is made of hard plastic, and the rubber ring (14), the first rubber gasket (15) and the second rubber gasket (16) are made of flexible plastic.

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