CN220273498U - Stator structure with larger torsion - Google Patents

Stator structure with larger torsion Download PDF

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Publication number
CN220273498U
CN220273498U CN202321902114.6U CN202321902114U CN220273498U CN 220273498 U CN220273498 U CN 220273498U CN 202321902114 U CN202321902114 U CN 202321902114U CN 220273498 U CN220273498 U CN 220273498U
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CN
China
Prior art keywords
brush
end cover
magnetic ring
electric
stator structure
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CN202321902114.6U
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Chinese (zh)
Inventor
陈少雄
林吉跃
张彦志
李喆演
陈超勇
张旭清
胡淑华
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Shantou City Jiali Micro Motor Co ltd
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Shantou City Jiali Micro Motor Co ltd
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Priority to CN202321902114.6U priority Critical patent/CN220273498U/en
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Abstract

The utility model discloses a stator structure with larger torsion, which comprises an end cover, a magnetic ring and two electric brushes, and is characterized in that: the magnetic ring is in a sheet shape, the magnetic ring is arranged on the inner side surface of the end cover, the two electric brushes are arranged on the inner side surface of the end cover and are positioned in the magnetic ring, and the two electric brushes are mutually perpendicular. The stator structure with larger torsion is characterized in that the two electric brushes are mutually perpendicular, so that the two electric brushes are arranged in a 90-degree mode, the contact mode of the two electric brushes and the rotor is changed, the torsion output effect is improved, the torsion performance of the electric brushes is improved, and the stator structure is more suitable for micro motors with higher torsion requirements.

Description

Stator structure with larger torsion
Technical Field
The present utility model relates to a motor stator, and more particularly to a stator structure with high torque force.
Background
The current motor comprises a stator, a rotor, a commutator and an end cover, wherein the stator comprises a shell and a magnetic ring, the magnetic ring is of a cylindrical structure, and the cylindrical magnetic ring is embedded in the shell; furthermore, two brushes parallel to each other are arranged on the end cover. The thickness of the cylindrical magnetic ring is thicker, so that the volume of the stator is larger, and the cylindrical magnetic ring cannot be applied to a micro motor with thinner thickness; and the two brushes are parallel brushes, so that the contact torque between the brushes and the rotor is small, and the brush is not suitable for micro motors with high requirements on torque.
Disclosure of Invention
The utility model aims to provide a stator structure with larger torsion, which has smaller volume and larger torsion.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a great torsion's stator structure, includes end cover, magnetic ring and two brushes, its characterized in that: the magnetic ring is in a sheet shape, the magnetic ring is arranged on the inner side surface of the end cover, the two electric brushes are arranged on the inner side surface of the end cover and are positioned in the magnetic ring, and the two electric brushes are mutually perpendicular.
The magnetic ring is arranged in a sheet shape, so that the thickness of the stator can be reduced, and the volume of the micro motor is greatly reduced.
Through mutually perpendicular two brushes for two brushes are 90 arrangement, have changed two brushes and rotor contact's mode, have increased the torsion output effect, have improved the torsion performance of brush, make it more be applicable to in the higher micromotor of torsion requirement.
In the preferred scheme, the brush also comprises two brush holders, wherein the two brush holders are arranged on the inner side surface of the end cover and are positioned in the magnetic ring, and the two brush holders are mutually perpendicular; the fixed end of the electric brush is welded on the brush seat, and the electric brush is perpendicular to the brush seat. Through the mutually perpendicular installation of two brush holders and the perpendicular welding of brush and brush holder, can increase torsion output effect, improve the torsion performance of brush, make it more be applicable to in the higher micromotor of torsion requirement.
In a further preferred scheme, the electric brush comprises two electric wires, wherein the end cover is provided with a lead through hole, one ends of the two electric wires are respectively welded with the corresponding fixed ends of the electric brushes through corresponding brush holders, and the other ends of the two electric wires penetrate through the lead through hole and are positioned on the outer side of the end cover. The lead through hole arranged on the end cover is convenient for the lead of the electric wire, is convenient for the connection of the electric wire and an external circuit, simplifies the process of circuit wiring, and leads the electric wire out of the stator structure through the lead through hole.
In a further preferred scheme, an electric wire guiding and fixing mechanism is arranged on the inner side surface of the end cover and is positioned in the magnetic ring; the wire guiding and fixing mechanism comprises a V-shaped guide piece and two first positioning columns, the V-shaped guide piece is arranged on the inner side face of the end cover, the V-shaped guide piece is provided with two guide strips, one ends of the two guide strips are connected to form a V-shaped opening, the V-shaped opening faces the two brush holders, the connecting ends of the two guide strips are located at the inner side of the lead through hole and correspondingly matched with the lead through hole, the two first positioning columns are vertically arranged on the inner side face of the end cover and located at the outer sides of the corresponding guide strips respectively, a first gap for the wires to pass through is formed between the first positioning columns and the corresponding guide strips, and the wires are located in the first gap. Through the setting of V-arrangement guide and first location post, can guide the electric wire to pass the stator structure along fixed route to stably fix a position between gib block and first location post, prevent that the electric wire from becoming flexible or dragging, improve stator structure's overall stability.
In still a further preferred scheme, the wire guiding and fixing mechanism further comprises two second positioning columns which are arranged oppositely, the two second positioning columns are vertically arranged on the connecting ends of the two guide bars, the lead through hole is located below the magnetic ring, a second gap for the wire to pass through is formed between the second positioning columns and the inner ring edge of the magnetic ring, and the wire is located in the second gap. The electric wire is limited between the second positioning column and the inner ring edge of the magnetic ring, and the electric wire can be accurately introduced into the lead through hole.
In a still further preferred embodiment, the guide strip is perpendicular to the adjacent brush holder.
In the preferred scheme, the electric brush comprises a brush piece and a damping strip, the damping strip is attached to the outer side face of the fixed end of the brush piece, and at least two bifurcated brush strips are arranged at the movable end of the brush piece. The outer side surface of the fixed end of the brush piece is provided with a damping strip which can play a role in damping and reducing noise. The movable end of the brush piece is set to be at least two branched brush strips, the width of each brush strip is smaller than that of the brush piece, the contact area between the brush and the commutator can be reduced, the elasticity of the brush is increased, and the brush is more durable and has longer service life.
Compared with the prior art, the utility model has the following advantages:
the stator structure with larger torsion is characterized in that the two electric brushes are mutually perpendicular, so that the two electric brushes are arranged in a 90-degree mode, the contact mode of the two electric brushes and the rotor is changed, the torsion output effect is improved, the torsion performance of the electric brushes is improved, and the stator structure is more suitable for micro motors with higher torsion requirements.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a schematic view of the brush of fig. 1.
Detailed Description
The utility model is described in detail below with reference to the drawings and the specific embodiments.
As shown in fig. 1-2, the stator structure with larger torsion in the present embodiment includes an end cover 1, a magnetic ring 2 and two brushes 3, the magnetic ring 2 is in a sheet shape, the magnetic ring 2 is mounted on the inner side surface of the end cover 1, the two brushes 3 are both mounted on the inner side surface of the end cover 1 and are located in the magnetic ring 2, and the two brushes 3 are mutually perpendicular.
The magnetic ring 2 is arranged in a sheet shape, so that the thickness of the stator can be reduced, and the volume of the micro motor is greatly reduced.
Through mutually perpendicular two brushes 3 for two brushes 3 are 90 arrangement, have changed the mode that two brushes 3 contacted with the rotor, have increased the torsion output effect, have improved the torsion performance of brush 3, make it more be applicable to in the higher micromotor of torsion requirement.
The embodiment also comprises two brush holders 4, wherein the two brush holders 4 are arranged on the inner side surface of the end cover 1 and are positioned in the magnetic ring 2, and the two brush holders 4 are mutually perpendicular; the fixed end of the brush 3 is welded on the brush holder 4, and the brush 3 is perpendicular to the brush holder 4. Through the mutually perpendicular installation of two brush holders 4 and the perpendicular welding of brush 3 and brush holder 4, can increase torsion output effect, improve the torsion performance of brush 3, make it more be applicable to in the higher micromotor of torsion requirement.
The embodiment further comprises two wires 5, the end cover 1 is provided with a lead through hole 11, one ends of the two wires 5 are respectively welded with the fixed ends of the corresponding brushes 3 through the corresponding brush holders 4, and the other ends of the two wires 5 penetrate through the lead through hole 11 and are positioned outside the end cover 1. The lead through hole 11 arranged on the end cover 1 is convenient for the lead of the electric wire 5, is convenient for the connection of the electric wire 5 and an external circuit, simplifies the circuit wiring process, and leads out the electric wire 5 to the outer side of the stator structure through the lead through hole 11.
The inner side surface of the end cover 1 is provided with an electric wire guiding and fixing mechanism 6, and the electric wire guiding and fixing mechanism 6 is positioned in the magnetic ring 2; the wire guiding and fixing mechanism 6 comprises a V-shaped guide piece 61 and two first positioning posts 62, the V-shaped guide piece 61 is mounted on the inner side surface of the end cover 1, the V-shaped guide piece 61 is provided with two guide strips 611, one ends of the two guide strips 611 are connected to form a V-shaped opening 612, the V-shaped opening 612 faces the two brush holders 4, the connecting ends of the two guide strips 611 are located on the inner side of the wire through hole 11 and correspondingly matched with the wire through hole 11, the two first positioning posts 62 are vertically mounted on the inner side surface of the end cover 1 and are respectively located on the outer sides of the corresponding guide strips 611, a first gap 65 for the wires 5 to pass through is arranged between the first positioning posts 62 and the corresponding guide strips 611, and the wires 5 are located in the first gap 65. By the arrangement of the V-shaped guide 61 and the first positioning post 62, the electric wire 5 can be guided to pass through the stator structure along a fixed path and stably positioned between the guide bar 611 and the first positioning post 62, preventing the electric wire 5 from loosening or dragging, and improving the overall stability of the stator structure.
The wire guiding and fixing mechanism 6 further comprises two second positioning columns 63 which are arranged oppositely, the two second positioning columns 63 are vertically arranged on the connecting ends of the two guide strips 611, the lead through holes 11 are located below the magnetic ring 2, second gaps 64 for the wires 5 to pass through are formed in the edges of the second positioning columns 63 and the inner ring of the magnetic ring 2, and the wires 5 are located in the second gaps 64. The electric wire 5 is restrained between the second positioning post 63 and the inner circumferential edge of the magnetic ring 2, so that the electric wire 5 can be accurately introduced into the lead through hole 11.
The guide strip 611 is perpendicular to the adjacent brush holder 4.
The brush 3 comprises a brush piece 31 and a damping strip 32, the damping strip 32 is attached to the outer side face of the fixed end of the brush piece 31, and at least two bifurcated brush strips 311 are arranged at the movable end of the brush piece 31. The outer side surface of the fixed end of the brush piece 31 is provided with a damping strip 32, and the damping strip 32 can play a role in damping and reducing noise. The movable end of the brush piece 31 is provided with at least two bifurcated brush strips 311, the width of each brush strip 311 is smaller than that of the brush piece 31, the contact area between the brush 3 and the commutator can be reduced, the elasticity of the brush 3 is increased, and the brush is more durable and has longer service life.
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims (7)

1. The utility model provides a great torsion's stator structure, includes end cover, magnetic ring and two brushes, its characterized in that: the magnetic ring is in a sheet shape, the magnetic ring is arranged on the inner side surface of the end cover, the two electric brushes are arranged on the inner side surface of the end cover and are positioned in the magnetic ring, and the two electric brushes are mutually perpendicular.
2. The larger torsion stator structure according to claim 1, wherein: the two brush seats are arranged on the inner side surface of the end cover and are positioned in the magnetic ring, and the two brush seats are mutually perpendicular; the fixed end of the electric brush is welded on the brush seat, and the electric brush is perpendicular to the brush seat.
3. The larger torsion stator structure according to claim 2, wherein: the electric brush is characterized by further comprising two electric wires, wherein a lead through hole is formed in the end cover, one ends of the two electric wires are welded with corresponding electric brush fixing ends through corresponding brush holders respectively, and the other ends of the two electric wires penetrate through the lead through hole and are located on the outer side of the end cover.
4. A larger torsion stator structure in accordance with claim 3, wherein: an electric wire guiding and fixing mechanism is arranged on the inner side surface of the end cover and is positioned in the magnetic ring; the wire guiding and fixing mechanism comprises a V-shaped guide piece and two first positioning columns, the V-shaped guide piece is arranged on the inner side face of the end cover, the V-shaped guide piece is provided with two guide strips, one ends of the two guide strips are connected to form a V-shaped opening, the V-shaped opening faces the two brush holders, the connecting ends of the two guide strips are located at the inner side of the lead through hole and correspondingly matched with the lead through hole, the two first positioning columns are vertically arranged on the inner side face of the end cover and located at the outer sides of the corresponding guide strips respectively, a first gap for the wires to pass through is formed between the first positioning columns and the corresponding guide strips, and the wires are located in the first gap.
5. The high torque stator structure of claim 4, wherein: the wire guiding and fixing mechanism further comprises two second positioning columns which are arranged oppositely, the two second positioning columns are vertically arranged at the connecting ends of the two guide bars, the lead through hole is located below the magnetic ring, a second gap for the wire to pass through is formed between the second positioning columns and the inner ring edge of the magnetic ring, and the wire is located in the second gap.
6. The high torque stator structure of claim 4, wherein: the guide strip is perpendicular to the brush seat adjacent to the brush seat.
7. The larger torsion stator structure according to claim 1, wherein: the electric brush comprises a brush piece and damping strips, the damping strips are attached to the outer side face of the fixed end of the brush piece, and at least two bifurcated brush strips are arranged at the movable end of the brush piece.
CN202321902114.6U 2023-07-19 2023-07-19 Stator structure with larger torsion Active CN220273498U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321902114.6U CN220273498U (en) 2023-07-19 2023-07-19 Stator structure with larger torsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321902114.6U CN220273498U (en) 2023-07-19 2023-07-19 Stator structure with larger torsion

Publications (1)

Publication Number Publication Date
CN220273498U true CN220273498U (en) 2023-12-29

Family

ID=89305575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321902114.6U Active CN220273498U (en) 2023-07-19 2023-07-19 Stator structure with larger torsion

Country Status (1)

Country Link
CN (1) CN220273498U (en)

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