CN218102749U

CN218102749U - Motor rotor punching sheet with uniform magnetic density of automobile

Info

Publication number: CN218102749U
Application number: CN202222115247.0U
Authority: CN
Inventors: 郁金华
Original assignee: Jiangsu Changyi Motor Technology Co ltd
Current assignee: Jiangsu Changyi Motor Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-20
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to the technical field of electric motor, specifically be an even electric motor rotor of car magnetic density towards piece, including towards piece body, protection casing and splice plate, center department towards the piece body sets up towards the piece hole, it is provided with a plurality of electromagnetic groove to encircle according to circumference partition towards the outside of piece body, a plurality of teeth piece is cut apart into through the electromagnetic groove towards the outside of piece body, the utility model discloses a protection casing can be dismantled in the setting, connects the detachable protection casing in the outside towards the piece body, is favorable to protecting towards the piece body outside, prevents to expose for a long time to lead to wearing and tearing seriously towards the piece body, influences the magnetic density nature of motor, and superimposed is favorable to the device operation to carry the air current to each department of device through the clearance fit louvre that produces behind first splice plate and the concatenation of second splice plate, reduces device during operation temperature, improves device work efficiency.

Description

Motor rotor punching sheet with uniform magnetic density for automobile

Technical Field

The utility model relates to the technical field of electric machines, specifically be an even electric motor rotor towards piece of car magnetic density.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M (old standard is D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, the generator is represented by a letter G in the circuit, and the generator mainly has the function of converting mechanical energy into electric energy.

The motor rotor punching sheet inside the existing motor is easy to rust after being installed, due to the fact that the motor rotor punching sheet is exposed outside for a long time, the working efficiency of the motor is affected, and the motor rotor punching sheet is poor in heat dissipation effect due to long-time operation, and the operation efficiency of the device is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an even electric motor rotor of car magnetic density is towards piece.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a motor rotor towards piece that car magnetic density is even, including towards piece body, protection casing and splice plate, center department towards the piece body sets up towards the piece hole, it is provided with a plurality of electromagnetic groove to encircle according to circumference partition towards the outside of piece body, it is a plurality of teeth to cut apart into through the electromagnetic groove towards the outside of piece body, the protection casing is installed in the outside of tooth, the protection casing is connected for dismantling with the tooth, be equipped with two splice grooves towards the bilateral symmetry of piece body, just splice groove position is between piece hole and the electromagnetic groove, the splice plate is connected for dismantling with the splice groove, the splice plate includes first splice plate and second splice plate, the symmetry is equipped with two spouts on the first splice plate, the symmetry is equipped with two slide bars on the second splice plate, slide bar on the second splice plate and the spout looks adaptation on the first splice plate, one side of the first splice plate of body installation is equipped with the guide way, just spout level setting on guide groove and the first splice plate, be equipped with towards the piece body, the louvre is located towards the piece.

Further, the utility model discloses the improvement has, the protection casing inboard is equipped with the arc spacing groove, arc spacing groove both sides are equipped with splint, the bilateral symmetry of arc spacing groove is equipped with two guide rail grooves, splint pass through the guide bar and are connected with the guide rail groove, the both ends of tine piece are equipped with the mounting hole, splint pass through the bolt and are connected with the mounting hole.

Further, the utility model discloses the improvement has, the both sides of pick are equipped with the draw-in groove, the both sides of arc spacing groove are equipped with the gag lever post, the inboard of gag lever post is equipped with the kelly, kelly and draw-in groove looks adaptation.

Further, the utility model discloses the improvement has, be equipped with the screw hole in the splice groove, it has the bolt to be connected with the screw hole to run through on first splice plate and the second splice plate.

Further, the utility model discloses the improvement has, the inboard of louvre and the surface of protection casing all are equipped with a plurality of guiding gutter.

Further, the utility model discloses the improvement has, towards the surface coating of piece body there is oily silicon paint layer.

(III) advantageous effects

Compared with the prior art, the utility model provides an even electric motor rotor towards piece of car magnetic density possesses following beneficial effect:

the utility model discloses a protection casing can be dismantled in the setting, connects the detachable protection casing in the outside towards the piece body, is favorable to protecting towards the piece body outside, prevents that long-time exposure from leading to seriously wearing and tearing towards the piece body, influences the magnetic density nature of motor, and superimposed is favorable to carrying the air current to each department of device when the clearance fit louvre that produces after first splice plate and the concatenation of second splice plate towards the piece body is in the time of the device operation, reduces device during operation temperature, improves device work efficiency.

Drawings

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

FIG. 2 is a schematic view of the inner side structure of the protective cover of the present invention;

FIG. 3 is a schematic view of the outer side structure of the protective cover of the present invention;

FIG. 4 is a schematic diagram of a second splice plate structure of the present invention;

in the figure: 1. punching a sheet body; 2. a tooth sheet; 3. an electromagnetic slot; 4. punching an inner hole; 5. a first splice plate; 6. a chute; 7. a guide groove; 8. heat dissipation holes; 9. a card slot; 10. a second splice plate; 11. a slide bar; 12. a protective cover; 13. a clamping rod; 14. an arc-shaped limiting groove; 15. a splint; 16. a guide rail groove; 17. a diversion trench; 18. mounting holes;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model discloses a motor rotor punching sheet that car magnetic density is even, including towards piece body 1, protection casing 12 and splice plate, center department towards piece body 1 sets up towards piece hole 4, it is provided with a plurality of electromagnetic slot 3 to encircle according to the circumference equant towards the outside of piece body 1, it splits into a plurality of teeth 2 through electromagnetic slot 3 towards the outside of piece body 1, protection casing 12 is installed in the outside of teeth 2, protection casing 12 is connected for dismantling with teeth 2, the bilateral symmetry towards piece body 1 is equipped with two splice grooves, just splice groove position is between piece hole 4 and electromagnetic slot 3, the splice plate is connected for dismantling with the splice groove, the splice plate includes first splice plate 5 and second splice plate 10, the symmetry is equipped with two spouts 6 on the first splice plate 5, the symmetry is equipped with two spouts 11 on the second splice plate 10, slide bar 11 on the second splice plate 10 is with 6 on the first splice plate 5 looks of louvre, one side installation of piece body 1 is equipped with first splice plate 7, and the splice plate 7 is equipped with the first splice plate 6 adaptation on the spout 6 on the first splice plate 5, and the first splice plate 8 the piece body is equipped with the horizontal position on the slide plate 2.

This even motor rotor towards piece of car magnetic density, when using, install a plurality of towards piece body 1 stack in the arc spacing groove 14 of protection casing 12, again by splint 15 to the centre gripping of piece body 1, simultaneously by the bolt with splint 15 with link together towards piece body 1, be favorable to protecting towards the piece body 1 outside, prevent to expose for a long time and lead to taking place wearing and tearing influence the work efficiency of motor towards the piece body 1 outside, splice through first splice plate 5 and second splice plate 10 when overlapping towards piece body 1, when the surperficial salient towards the surface of piece body 1 of first splice plate 5 and second splice plate 10, then can produce the clearance between adjacent two towards piece bodies 1 towards piece body 1 when the piece body 1 superposes, through the clearance that produces and cooperate louvre 8 to be favorable to carrying the air current to the device everywhere when moving, reduce the temperature of device during operation, improve device work efficiency.

Need the multi-disc rotor punching stack together when the rotor punching uses, in this embodiment, 12 inboards of protection casing are equipped with arc spacing groove 14, arc spacing groove 14 both sides are equipped with splint 15, the bilateral symmetry of arc spacing groove 14 is equipped with two guide rail grooves 16, splint 15 passes through the guide bar and is connected with guide rail groove 16, the both ends of tooth piece 2 are equipped with mounting hole 18, splint 15 is connected with mounting hole 18 through the bolt, and to insert the arc spacing groove 14 of protection casing 12 towards tooth piece 2 of piece body 1 in, rethread guide groove 7 makes splint 15 and tooth piece 2 laminate, and the rethread bolt links together splint 15 and piece body 1, the utility model provides a protection casing 12 does not specifically limit with the connected mode towards piece body 1, and above-mentioned connected mode does the preferred scheme of the utility model.

The condition that probably appears becoming flexible after splint 15 is to rotor punching long-time centre gripping, in this embodiment, the both sides of flight 2 are equipped with draw-in groove 9, the both sides of arc spacing groove 14 are equipped with the gag lever post, the inboard of gag lever post is equipped with kelly 13, kelly 13 and draw-in groove 9 looks adaptation, combine with the draw-in groove 9 of flight 2 through kelly 13 on the gag lever post to make 12 string of protection casing behind the main flight 2 again by splint 15 to the centre gripping of flight 2, thereby improve the stability that protection casing 12 and punching sheet body 1 are connected, because splint 15 installs on protection casing 12 through guide rail groove 16, the both ends of guide rail groove 16 can make things convenient for the dismouting of splint 15 on guide rail groove 16 for open structure.

In order to facilitate the installation of the first splicing plate 5 and the second splicing plate 10, in this embodiment, threaded holes are arranged in the splicing grooves, bolts are penetrated through the first splicing plate 5 and the second splicing plate 10 to be connected with the threaded holes, in this embodiment, the first splicing plate 5 and the second splicing plate 10 are installed behind the splicing grooves, the protruding heights of the first splicing plate 5 and the second splicing plate 10 are not limited, when the surfaces of the punching sheet bodies 1 protrude from the surfaces of the first splicing plate 5 and the second splicing plate 10, gaps can be generated between the two adjacent punching sheet bodies 1 when the punching sheet bodies 1 are stacked, so that the air inlet flow rate is increased, and the heat dissipation effect of the punching sheet bodies 1 is increased.

For further improvement towards the radiating effect of piece body 1 and protection casing 12, in this embodiment, the inboard of louvre 8 and the surface of protection casing 12 all are equipped with a plurality of guiding gutter 17, through the setting up of guiding gutter 17 improve towards the area of piece body 1 and protection casing 12 and air contact, improve the conduction efficiency of air to the thermal current to further improve and spill the thermal efficiency.

When probably appearing corroding phenomenon after using towards piece body 1 for a long time, in this embodiment, the surface coating towards piece body 1 has oily silicon paint layer, reduces towards the oxidation of piece body 1 and protection casing 12 through oily silicon paint layer to improve towards piece body 1 and protection casing 12 life.

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 motor rotor punching sheet with uniform magnetic density of an automobile is characterized by comprising a punching sheet body (1), a protective cover (12) and splicing plates, wherein a punching sheet inner hole (4) is formed in the center of the punching sheet body (1), a plurality of electromagnetic grooves (3) are formed in the outer side of the punching sheet body (1) in an evenly-surrounding mode according to the circumference, the outer side of the punching sheet body (1) is divided into a plurality of tooth sheets (2) through the electromagnetic grooves (3), the protective cover (12) is installed on the outer side of the tooth sheets (2), the protective cover (12) is detachably connected with the tooth sheets (2), two splicing grooves are symmetrically formed in the two sides of the punching sheet body (1), the splicing grooves are located between the punching sheet inner hole (4) and the electromagnetic grooves (3), the splicing plates are detachably connected with the splicing grooves, each splicing plate comprises a first splicing plate (5) and a second splicing plate (10), two sliding grooves (6) are symmetrically formed in the first splicing plate (5), two sliding grooves (6) are symmetrically formed in the second splicing plate (10), two sliding rods (5) are horizontally matched with the first splicing plates (7) on the first splicing plate (5), and the first sliding grooves (7) are arranged on the second splicing plate (10), be equipped with louvre (8) on towards piece body (1), louvre (8) are located tooth piece (2).

2. The motor rotor punching sheet with uniform magnetic density for the automobile is characterized in that an arc-shaped limiting groove (14) is formed in the inner side of the protective cover (12), clamping plates (15) are arranged on two sides of the arc-shaped limiting groove (14), two guide rail grooves (16) are symmetrically formed in two sides of the arc-shaped limiting groove (14), the clamping plates (15) are connected with the guide rail grooves (16) through guide rods, mounting holes (18) are formed in two ends of the tooth sheet (2), and the clamping plates (15) are connected with the mounting holes (18) through bolts.

3. The motor rotor punching sheet with uniform magnetic flux density for the automobile as claimed in claim 2, wherein clamping grooves (9) are formed in two sides of the tooth sheet (2), limiting rods are arranged in two sides of the arc-shaped limiting groove (14), clamping rods (13) are arranged on inner sides of the limiting rods, and the clamping rods (13) are matched with the clamping grooves (9).

4. The motor rotor punching sheet with uniform magnetic density for the automobile as claimed in claim 3, wherein threaded holes are formed in the splicing grooves, and bolts penetrate through the first splicing plate (5) and the second splicing plate (10) to be connected with the threaded holes.

5. The motor rotor punching sheet with uniform magnetic density for the automobile as claimed in claim 4, wherein a plurality of guiding grooves (17) are respectively arranged on the inner side of the heat dissipation holes (8) and the surface of the protective cover (12).

6. The motor rotor punching sheet with uniform magnetic flux density for the automobile as claimed in claim 5, characterized in that the surface of the punching sheet body (1) is coated with an oily silicone paint layer.