Silent direct current motor stator structure

Abstract

The utility model discloses a stator structure of a mute direct current motor, which relates to the technical field and comprises a stator punching sheet provided with a plurality of wire slots. The number of the stator punching sheets is multiple, and the number of the wire slots is 24. The outer surfaces of the plurality of stator punching sheets are provided with welding grooves. Every two adjacent stator punching sheets are deflected by 7.5 degrees through a mark groove, so that the wire grooves in the stator punching sheets are arranged in an inclined half-groove mode, the internal area of the wire grooves is increased, more copper wires can penetrate into the wire grooves, the torque of the motor is guaranteed, magnetic blocks in a stator and a rotor are smoother during rotation through deflection arrangement of the wire grooves, and the motor is prevented from being damaged. The situation of jamming is effectively reduced, and noise during starting is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model discloses a motor stator mute technical field, and specifically is a mute direct current motor stator structure. BACKGROUND

[0002] The direct current motor mainly relies on the interaction of stator magnetic field and armature current to generate torque. By passing through direct current in the armature winding, it is subjected to electromagnetic force in the magnetic field, thereby driving the armature to rotate.

[0003] The traditional direct current motor stator adopts straight slot setting, so that the magnets in the rotor and the stator will produce adsorption effect when the motor has no current, so that the motor will appear jamming when rotating, which is not smooth, which will cause the motor noise to be larger. But in the special working scene, the noise of the motor needs to be effectively controlled, so the traditional straight slot stator cannot effectively meet the needs of work;

[0004] After searching, the Chinese patent publication No. CN202120798623.3 discloses an anti-static super-silent motor; including motor shell, fan assembly, rotor, mounting fixture and stator winding, the rear end of the motor shell is provided with the fan assembly, the side of the fan assembly is fixedly connected with the mounting fixture, the inside of the motor shell is installed with the rotor, the outer surface of the rotor is movably sleeved with the stator winding, the inside of the motor shell is provided with a noise reduction mechanism, and the front end of the motor shell is provided with an anti-static mechanism.

[0005] The above-mentioned motor in the patent can effectively reduce the transmission of noise when filling the sound insulation cotton layer in the inside of the motor, but the stator in the above-mentioned patent will be attracted between the rotor and the stator when there is no current, so that the motor will appear jamming when sliding, and the distance between the adjacent two groups of lines in the above-mentioned motor is larger when starting, which will cause the noise to be larger when the motor starts, and the motor will appear jamming when rotating, and the motor will also vibrate when jamming, which cannot effectively meet the needs of special working environment. UTILITY MODEL CONTENTS

[0006] The utility model discloses a mute direct current motor stator structure, in this structure, when again stator lamination is stacked, the record of the mark groove is effective to realize the deflection between the two stator laminations, realize the increase of wire slot area, so that more copper wire is filled in the wire slot, and the torque of the motor is increased, the spacing between the two wire slots is reduced through the deflected wire slot, so that the rotation between the magnetic block in the rotor and the stator is more smooth when the motor starts, thereby effectively reducing the loud noise of the motor when starting, through the deflected wire slot, the rotation of the rotor is more smooth when the motor slides, and the working efficiency of the motor is effectively ensured, so as to solve the problems in the above background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme:

[0008] A mute direct current motor stator structure, comprising a stator lamination, a plurality of wire slots are formed in the stator lamination, the stator lamination is provided with a plurality of wire slots, and the number of the wire slots is 24.

[0009] A plurality of welding grooves are formed in the outer surface of the stator lamination, so that the stability of the stator lamination during work is effectively ensured.

[0010] According to the further technical scheme of the utility model, the plurality of stator laminations are installed in an inclined manner when stacked, and the inclination angle is 7.5°, the area of the wire slot is increased through the deflection of the stator lamination, more copper wires can be penetrated, and the torque of the motor is ensured.

[0011] According to the further technical scheme of the utility model, the stator lamination is made of silicon steel sheet material, the thickness is 0.2mm, and the plurality of stator laminations are welded and fixed, the stator lamination with a thickness of 0.2mm effectively reduces the resistance loss of the stator during work, and the output power of the motor is effectively ensured.

[0012] According to the further technical scheme of the utility model, a mark groove is further formed in the stator lamination, and the mark groove is arranged in a semicircular shape, the stator lamination is effectively aligned through the mark groove when placed in the stacking clamp, and the deflection angle between the two stator laminations is effectively ensured.

[0013] According to the further technical scheme of the utility model, the wire slot is penetrated by a copper wire, the torque of the motor is increased while the noise of the motor is reduced through the increase of the copper wire in the wire slot.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses, in use, when multiple stator punching sheets are put into the stack clamp, the effective realization of alignment is carried out through the sign groove, and the adjacent two stator punching sheets are deflected 7.5 DEG through the sign groove, so that the wire slot on multiple stator punching sheets is inclined half slot, so that the area inside the wire slot is increased, more copper wires can be inserted, and the guarantee of motor torque is realized.

[0016] The utility model discloses, the deflection of wire slot is set, and the magnetic block in stator and rotor is more smooth when rotating, effectively reduces the situation of jam, effectively reduces the noise when starting. DRAWINGS

[0017] Fig. 1 It is the top view of the utility model.

[0018] Fig. 2 It is the side view in the utility model.

[0019] In the drawing: 1 - stator punching sheet 2 - wire slot, 3 - sign groove. CONCRETE IMPLEMENTATIONS

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0021] Please refer to Figs. 1-2 In the embodiments of the utility model, a mute direct current motor stator structure includes stator punching sheet 1, and multiple wire slots 2 are formed in the stator punching sheet 1. The stator punching sheet 1 is provided with multiple wire slots 2, and the number of wire slots 2 is 24.

[0022] Multiple welding grooves are formed in the outer surface of the stator punching sheet 1 to ensure the stability of the stator punching sheet 1 during work.

[0023] When the multiple stator punching sheets 1 are stacked, the stator punching sheets 1 are installed in an inclined manner, and the inclination angle is 7.5 DEG.

[0024] Through the above technical scheme, when multiple stator punching sheets 1 are put into the stack clamp, the effective realization of alignment is carried out through the sign groove, and the adjacent two stator punching sheets 1 are deflected 7.5 DEG through the sign groove, so that the wire slot 2 on multiple stator punching sheets 1 is inclined half slot, so that the area inside the wire slot 2 is increased, more copper wires can be inserted, and the guarantee of motor torque is realized.

[0025] The stator punching sheet 1 is made of silicon steel sheet, and the thickness is 0.2 mm, and a plurality of the stator punching sheets 1 are welded and fixed;

[0026] The stator punching sheet 1 is further provided with a mark groove 3, and the mark groove 3 is in a semicircle shape;

[0027] The wire slot 2 is provided with a copper wire;

[0028] Through the deflection of the wire slot 2, the magnetic block in the stator and the rotor is more smooth in rotation, effectively reduces the jamming condition, and effectively reduces the noise in starting.

[0029] The working principle of the utility model is: when using, a plurality of stator punching sheets 1 are put into the stacking clamp, and the alignment is effectively realized through the mark groove, the adjacent two stator punching sheets 1 are deflected 7.5 ° through the mark groove, the wire slot 2 on the plurality of stator punching sheets 1 is in a slanting half slot shape, the area inside the wire slot 2 is increased, more copper wires can be penetrated, the motor torque is ensured,

[0030] Through the deflection of the wire slot 2, the magnetic block in the stator and the rotor is more smooth in rotation, effectively reduces the jamming condition, and effectively reduces the noise in starting.

[0031] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A silent direct current motor stator structure, characterized by: Including stator lamination (1), the stator lamination (1) is set up with multiple line slot (2);The stator lamination (1) is set up with multiple, the line slot (2) number is 24; Multiple stator lamination (1) outer surface sets up welding groove; Multiple stator lamination (1) is installed when stacking and is inclined, and the inclination angle is 7.5°; The stator lamination (1) is also set up with mark slot (3), and the mark slot (3) is set up with half circle.

2. A silent DC motor stator structure according to claim 1, characterized in that: The stator lamination (1) adopts silicon steel sheet material, and the thickness is 0.2 millimeter, and multiple stator lamination (1) is welded and fixed between.

3. A silent DC motor stator structure according to claim 1, characterized in that: The line slot (2) is set through with copper wire.

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