CN219436738U

CN219436738U - Abnormal shape motor

Info

Publication number: CN219436738U
Application number: CN202320878012.9U
Authority: CN
Inventors: 胡华伟
Original assignee: Dongguan Peak Industrial Ltd Co ltd
Current assignee: Dongguan Peak Industrial Ltd Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-28
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a special-shaped motor, which comprises a stator and an armature, wherein the stator comprises an E-shaped iron core and a magnetic induction coil arranged in the middle of the E-shaped iron core, the E-shaped iron core comprises a base, secondary windings arranged on two sides of the base and a primary winding arranged in the middle of the base, the magnetic induction coil is sleeved on the primary winding, the height of the primary winding is smaller than that of the secondary winding, the armature consists of two magnetic seats arranged at intervals, two sides of the lower end of the magnetic seat are respectively arranged opposite to the top end of the secondary winding and the top end of the primary winding, and the upper ends of the two magnetic seats are contacted and enclosed into a driving channel. When the motor works, the magnetic induction coil is electrified to generate magnetic flux and drive the magnetic seats to move relatively, because the bottoms of the magnetic seats adopt a structure with two fulcrums, the magnetic flux direction is more concentrated, and meanwhile, when the flexible assembly is arranged on the two magnetic seats, the direction of the driving channel reciprocates in a single direction, so that the acting force of the armature in the horizontal direction is reduced, and the use stability of the motor is improved.

Description

Abnormal shape motor

Technical Field

The utility model relates to the field of motor products, in particular to a special-shaped motor.

Background

Personal care appliances typically utilize an internal motor to produce a specific workpiece motion/action, which in turn produces a desired functional result. Examples of such appliances include electric skin brushes, electric toothbrushes, electric shavers, and the like.

For example, in chinese patent 201510476228.2, a single point contact is adopted between the stator and the armature, and although the contact area is small, high-frequency vibration can be ensured, but the displacement in the horizontal direction is also large, so that the vibration can be transmitted to the part of the stator, and the use experience is affected, for example, the vibration of the handle part of the existing part of the electric toothbrush is large, and the main factor is that the armature generates directional vibration and horizontal vibration, and the vibration cannot be unidirectionally transmitted to the flexible component.

Disclosure of Invention

The utility model mainly aims to provide a special-shaped motor, which aims to adopt an armature with multipoint contact, can realize unidirectional guiding of armature vibration, reduce stator reaction caused by horizontal vibration and improve use experience.

In order to achieve the above object, the present utility model provides a profiled motor comprising:

the stator comprises an E-shaped iron core and a magnetic induction coil arranged in the middle of the E-shaped iron core, wherein the E-shaped iron core comprises a base, secondary windings arranged on two sides of the base and a primary winding arranged in the middle of the base, the magnetic induction coil is sleeved on the primary winding, and the height of the primary winding is smaller than that of the secondary winding;

the armature is composed of two magnetic seats arranged at intervals, two sides of the lower end of each magnetic seat are respectively arranged opposite to the top end of the secondary winding and the top end of the primary winding, and the upper ends of the two magnetic seats are in contact and enclose a driving channel.

When the technical scheme of the utility model works, the magnetic induction coil is electrified to generate magnetic flux and drive the magnetic seats to move relatively, because the bottom of the magnetic seats adopts a two-pivot structure, the magnetic flux direction is more concentrated, and meanwhile, when the flexible component is arranged on the two magnetic seats, the direction of the driving channel reciprocates in a single direction, so that the acting force of the armature in the horizontal direction is reduced, and the use stability of the motor is improved.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a side view of the present utility model;

fig. 3 is a cross-sectional view of the present utility model.

In the figure, 1 is a stator, 2 is an E-shaped iron core, 21 is a base, 22 is a primary winding, 23 is a secondary winding, 3 is a magnetic induction coil, 31 is an insulating wire frame, 32 is an enameled wire, 4 is an armature, 41 is a magnetic seat, 51 is a first inclined plane, 52 is a second inclined plane, 53 is a third inclined plane, 54 is a fourth inclined plane, 6 is an avoiding groove, 7 is a contact part, and 8 is an inclined plane.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 3, a profiled motor includes:

the stator 1, the stator 1 includes the E-shaped iron core 2 and locates the magnetic induction coil 3 in the middle part of the E-shaped iron core 2, the said E-shaped iron core 2 includes the base 21, locates the secondary winding 23 in both sides of the base 21 and locates the primary winding 22 in the middle part of the base 21, the said magnetic induction coil 3 is covered and located on the primary winding 22, the height of the said primary winding 22 is smaller than the height of the secondary winding 23;

the armature 4, the armature 4 is made up of two magnetic seats 41 that set up at intervals, the both sides of the lower end of the magnetic seat 41 are set up with the top of the secondary winding 23 and top of the primary winding 22 relatively separately, and the upper ends of two magnetic seats 41 contact and enclose the drive channel.

When the motor works, the magnetic induction coil 3 generates magnetic flux normally and drives the magnetic seats 41 to move relatively, because the bottom of the magnetic seat 41 adopts a two-pivot structure, the magnetic flux direction is more concentrated, and meanwhile, when the flexible component is arranged on the two magnetic seats 41, the direction of the driving channel reciprocates towards a single direction, so that the acting force of the armature 4 in the horizontal direction is reduced, and the use stability of the motor is improved; simple structure, convenient assembly and stable product.

Specifically, the two ends of the bottom of the magnetic seat 41 are provided with the first inclined plane 51 and the second inclined plane 52, and the two-pivot structure is adopted, so that the magnetic flux attenuation can be reduced, the unidirectional movement of the flexible component is improved, and the deformation is reduced.

More specifically, the primary winding 22 is provided with a third bevel 53 cooperating with the first bevel 51.

Further, the secondary windings 23 are respectively provided with fourth slopes 54 which cooperate with the second slopes 52.

In the embodiment of the utility model, a concave avoidance groove 6 is arranged between the first inclined surface 51 and the second inclined surface 52, and the avoidance groove 6 is in a fan shape, so that magnetic flux is more concentrated, and the magnetic flux loss is reduced.

Specifically, the magnetic induction coil 3 includes an insulating wire frame 31 with a positioning slot in the middle and an enameled wire 32 wound on the outer wall of the insulating wire frame 31, and the primary winding 22 is disposed in the positioning slot, that is, the insulating wire frame 31 is directly mounted on the iron core during mounting.

In the embodiment of the utility model, the opposite wall surfaces of the two magnetic seats 41 are oppositely extended with the contact parts 7, and the two contact parts 7 are attached.

Specifically, the direction in which the two magnetic seats 41 are away from each other is the inclined surface 8, so that the magnetic flux extends in the direction of the drive passage.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A profiled motor comprising:

2. The profiled motor as defined in claim 1 wherein: the two ends of the bottom of the magnetic seat are provided with a first inclined plane and a second inclined plane.

3. The profiled motor as defined in claim 2 wherein: the primary winding is provided with a third bevel which is matched with the first bevel.

4. The profiled motor as defined in claim 2 wherein: the secondary windings are respectively provided with a fourth inclined plane matched with the second inclined plane.

5. The profiled motor as defined in claim 1 wherein: an avoidance groove concavely arranged is arranged between the first inclined plane and the second inclined plane, and the avoidance groove is in a fan shape.

6. The profiled motor as defined in claim 1 wherein: the magnetic induction coil comprises an insulating wire frame with a positioning groove in the middle and an enameled wire wound on the outer wall of the insulating wire frame, and the primary winding is arranged in the positioning groove.

7. The profiled motor as defined in claim 1 wherein: the opposite wall surfaces of the two magnetic seats are oppositely extended with contact parts, and the two contact parts are attached.

8. The profiled motor as defined in claim 1 wherein: the direction in which the two magnetic seats are far away is an inclined plane.