CN215897397U

CN215897397U - High-efficiency motor iron core

Info

Publication number: CN215897397U
Application number: CN202122309242.7U
Authority: CN
Inventors: 费锦友
Original assignee: Wuxi Hongyou Motor Manufacturing Co ltd
Current assignee: Wuxi Hongyou Motor Manufacturing Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-22
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a high-efficiency motor iron core which comprises a stator iron core, wherein a circular notch is formed in an inner ring of the stator iron core, a plurality of stator tooth parts are arranged at the inner side end of the circular notch, two symmetrical winding grooves are formed in the two side ends of each stator tooth part, positioning grooves are formed in the outer ring of the stator iron core in a circumferential uniform quartering mode, a shell body is combined at the positioning grooves, a plurality of positioning blocks are welded to the inner ring of the shell body in the circumferential direction and matched with the positioning grooves, a plurality of heat dissipation through holes are formed in the outer end face of the shell body in a penetrating mode in the circumferential direction, a dust screen is arranged on the inner side of the heat dissipation through holes and in an inner cavity of the shell body in a splicing mode, and a shell cover is arranged on the front portion of the shell body in a splicing mode. The utility model effectively reduces the existing magnetic leakage loss, simultaneously plays a good role in heat dissipation and dust prevention, and ensures the normal use of the stator core.

Description

High-efficiency motor iron core

Technical Field

The utility model relates to the technical field of motor iron cores, in particular to a high-efficiency motor iron core.

Background

At present, common motor stator core in the market generally includes a plurality of superimposed cyclic annular stator core towards the piece, includes yoke and a plurality of magnetic pole on the iron core towards the piece, and its yoke outer peripheral edges are circular, and the winding is generally on stator core's the magnetic pole.

However, the existing stator core is limited by the practical manufacturing foundation, the loss of magnetic leakage cannot be considered, meanwhile, the existing stator core is poor in heat dissipation effect, if the existing stator core cannot dissipate heat in time, the phenomenon of eddy current can be formed in the motor shell, and therefore the stability of the motor during operation is reduced, and the motor is easy to influence use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high efficiency motor core to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-efficient motor core, includes stator core, circular notch has been seted up to stator core's inner circle, circular notch's medial extremity is provided with a plurality of stator tooth portions, and every two winding grooves of symmetry are seted up to stator tooth portion upper end both sides, stator core's outer lane has seted up the constant head tank along the equal quartering of circumference, the combination of constant head tank department is provided with the shell body, the inner circle of shell body is provided with the several locating piece along the circumference welding, just the locating piece with the constant head tank phase-match, the outer terminal surface of shell body runs through along circumference equally and has seted up several heat dissipation through-hole, several the inboard of heat dissipation through-hole and the combination of pegging graft at the shell body inner chamber is provided with the dust screen, just the dust screen with shell body inner wall contact sets up, the anterior grafting combination of shell body is provided with the cap.

Preferably, the installation quantity of the positioning blocks is the same as that of the positioning grooves, the two side ends of each positioning block are respectively welded with a limiting lug plate, and the two ends of the inner groove of each positioning groove are provided with limiting lug grooves matched with the two limiting lug plates.

Preferably, each positioning block end face is longitudinally provided with an insertion sleeve hole, and the inner surface of the shell cover is provided with an insertion rod corresponding to the insertion sleeve hole.

Preferably, a gap is reserved between the outer surface of the stator core and the inner end face of the outer shell.

Preferably, the stator core is coated with an insulating resin.

Preferably, the stator core is a laminated core.

Compared with the prior art, the utility model has the beneficial effects that:

1. the stator core is wrapped in the outer shell, the leakage magnetic field is bound inside the outer shell, outward diffusion is prevented, loss of leakage magnetic is effectively reduced, and the stator core has the advantages of good use effect and the like;

2. the utility model also provides a plurality of heat dissipation through holes which are arranged on the outer end surface of the outer shell in a penetrating way along the circumferential direction, a dustproof net which is arranged on the inner side of the plurality of heat dissipation through holes and is in contact and splicing combination with the inner wall of the outer shell, and a gap which is reserved between the outer surface of the stator core and the inner end surface of the outer shell, thereby effectively ensuring the heat dissipation effect of the stator core and simultaneously playing a certain dustproof effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-efficiency motor core according to the present invention;

FIG. 2 is a schematic view of the overall appearance structure of a high-efficiency motor core according to the present invention;

FIG. 3 is a schematic diagram of a core portion of a high efficiency motor according to the present invention;

fig. 4 is an enlarged schematic view of the core of the high-efficiency motor of the present invention at a position a in fig. 1.

In the figure: 1. a stator core; 2. a circular notch; 3. a stator tooth portion; 4. a winding slot; 5. positioning a groove; 6. an outer housing; 7. positioning blocks; 8. a heat dissipating through hole; 9. a dust screen; 10. a shell cover; 11. a limiting lug plate; 12. limiting lug grooves; 13. inserting a trepan boring; 14. a plug rod; 15. a gap; 16. an insulating resin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high-efficient motor core, including stator core 1, circular notch 2 has been seted up to stator core 1's inner circle, a plurality of stator tooth portion 3 are installed to circular notch 2's medial extremity, and two winding grooves 4 of symmetry have been seted up to every stator tooth portion 3 upper end both sides, stator core 1's outer lane has seted up constant head tank 5 along the equal quartering of circumference, constant head tank 5 department composite mounting has shell body 6, several locating piece 7 is installed along circumference welding to shell body 6's inner circle, and locating piece 7 and constant head tank 5 phase-match, the outer terminal surface of shell body 6 runs through along circumference equally and has seted up several heat dissipation through-hole 8, several heat dissipation through-hole 8's inboard and at 6 inner chamber grafting composite mounting of shell body have dust screen 9, and dust screen 9 and the contact installation of 6 inner walls of shell body, the anterior grafting composite mounting of shell body 6 has cap 10.

The mounting number of the positioning blocks 7 is the same as that of the positioning grooves 5, the two side ends of each positioning block 7 are respectively welded with a limiting lug plate 11, and the two ends of an inner groove of each positioning groove 5 are provided with limiting lug grooves 12 matched with the two limiting lug plates 11; an inserting sleeve hole 13 is longitudinally formed in the end face of each positioning block 7, and an inserting rod 14 corresponding to the inserting sleeve hole 13 is mounted on the inner surface of the shell cover 10; a gap 15 is reserved between the outer surface of the stator core 1 and the inner end surface of the outer shell 6; the stator core 1 is coated with the insulating resin 16, so that the insulating property between windings is effectively improved; the stator core 1 is a laminated core.

The working principle is as follows: when the utility model is installed, firstly, the positioning block 7 welded and installed along the circumferential direction by the side end of the inner groove of the shell 6 and the positioning groove 5 arranged on the outer ring of the stator core 1 are equally and equally arranged along the circumferential direction, the stator core 1 is combined on the shell 6 in a sliding way, then the inserting sleeve hole 13 arranged on the longitudinal end surface of the positioning block 7 arranged on the side end of the inner groove of the shell 6 and the inserting rod 14 corresponding to the inserting sleeve hole 13 arranged on the inner surface of the shell cover 10 are used for sealing the shell 6 and the shell cover 10, then, when the utility model is operated, the dustproof net 9 which is arranged on the inner side of the radiating through hole 8 and contacts with the inner wall of the shell 6 along the circumferential direction can pass through the plurality of radiating through holes 8 arranged on the outer end surface of the shell 6 and is inserted and combined with the inner end surface of the shell 6, and a gap 15 is reserved between the outer surface of the stator core 1 and the inner end surface of the shell 6, thereby effectively ensuring the radiating effect of the stator core 1, meanwhile, the dustproof effect is achieved to a certain degree, and the dustproof device has the advantages of being simple to operate, convenient to use and good in using effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficiency motor core comprises a stator core (1), and is characterized in that: the inner ring of the stator core (1) is provided with a circular notch (2), the inner side end of the circular notch (2) is provided with a plurality of stator tooth parts (3), two symmetrical winding grooves (4) are formed in the two side ends of each stator tooth part (3), the outer ring of the stator core (1) is provided with positioning grooves (5) in a circumferential uniform quartering way, the positioning grooves (5) are combined to form an outer shell (6), the inner ring of the outer shell (6) is provided with a plurality of positioning blocks (7) in a circumferential welding manner, the positioning blocks (7) are matched with the positioning grooves (5), the outer end face of the outer shell (6) is also provided with a plurality of heat dissipation through holes (8) in a circumferential penetrating manner, the inner sides of the heat dissipation through holes (8) are provided with a dust screen (9) in an inner cavity of the outer shell (6) in an inserting combination manner, and the dust screen (9) is arranged in contact with the inner wall of the outer shell (6), the front part of the outer shell (6) is provided with a shell cover (10) in an inserting combination mode.

2. A high efficiency motor core as recited by claim 1, wherein: the mounting number of the positioning blocks (7) is the same as that of the positioning grooves (5), the two side ends of the positioning blocks (7) are respectively welded with limiting lug plates (11), and the two ends of the inner groove of each positioning groove (5) are provided with limiting lug grooves (12) matched with the two limiting lug plates (11).

3. A high efficiency motor core as recited by claim 1, wherein: an inserting sleeve hole (13) is longitudinally formed in the end face of each positioning block (7), and an inserting rod (14) corresponding to the inserting sleeve hole (13) is arranged on the inner surface of the shell cover (10).

4. A high efficiency motor core as recited by claim 1, wherein: and a gap (15) is reserved between the outer surface of the stator core (1) and the inner end surface of the outer shell (6).

5. A high efficiency motor core as recited by claim 1, wherein: the stator core (1) is coated with insulating resin (16).

6. A high efficiency motor core as recited by claim 1, wherein: the stator core (1) is a laminated core.