CN208337250U - A kind of core structure of motor - Google Patents

Abstract

The utility model discloses a kind of core structures of motor, including stator core construction and rotor core structure, stator core construction includes two stator cores, stator core includes the first iron core and the second iron core, it is connected between first iron core, the second iron core by stem, the two sides of two the first iron cores are equipped with iron core baffle；Rotor core structure includes rotor core, is set on rotor core there are four mounting groove, and the two sides of mounting groove are equipped with magnetic-leakage preventing air groove, and the middle part of rotor core is equipped with the through-hole being inserted into for machine shaft.The utility model, structure is simple, compact, reduces the size of core structure, and then reduce the space for occupying motor, iron core is using embedded, and magnet can be directly inserted into mounting groove, quick for installation, conveniently, stator core and iron core baffle use split type design method, flying fork type coiling can be achieved, increase working efficiency, while coil can be filled up groove, increase tankful rate, and then increases the performance of motor.

Description

A kind of core structure of motor

Technical field

The utility model relates to motor technologies fields, and in particular to a kind of core structure of motor.

Background technique

Motor refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, is a kind of extensive The power mechanism of application is small all to use to the various household electrical appliance such as electric toothbrush, hair dryer greatly to transport facilitys such as automobiles To motor.

Iron core includes stator core and rotor core, is played the important and pivotal role inside entire motor, it is used to The magnetic flux for increasing inductance coil, has realized the maximum conversion of electromagnetic power, but core structure in the prior art there is also Following defect:

(1) core structure is complex, and size is larger, increases the occupied space of motor；Iron core and magnet mounting means compared with It is inconvenient to use to be cumbersome；

(2) stator core generallys use contact pin type winding mode, and coiling difficulty is larger, reduces working efficiency, and tankful Rate is lower, influences the performance of motor.

In view of this, being badly in need of improving the core structure of existing motor, simplifies rotor core structure, reduces iron core ruler Little progress and the occupied space for reducing motor increase the convenience used convenient for the installation of magnet, meanwhile, coiling difficulty is reduced, is increased Add working efficiency, while improving the tankful rate of coiling, increases the performance of motor.

Utility model content

Technical problem to be solved in the utility model be existing motor iron core structure exist structure is complicated, size compared with Greatly, motor occupied space is increased, while being unfavorable for magnet installation and stator core there are coiling difficulty is larger, reduces work Efficiency, and tankful rate is lower, the problem of influencing the performance of motor.

In order to solve the above-mentioned technical problem, technical solution used by the utility model is to provide a kind of iron core knot of motor Structure, comprising:

Stator core construction, including two stator cores being symmetricly set on electric machine casing, the stator core includes The first iron core for being connected with electric machine casing and the second iron core being arranged on the inside of first iron core, first iron It is connected between core, the second iron core by stem, the two sides of first iron core, the second iron core and the stem surround for coil The two sides of the groove of winding, two first iron cores are connected by iron core baffle, the both ends of the iron core baffle and two institutes The first iron core is stated detachably to be arranged；

Rotor core structure is set on the rotor core there are four mounting groove, four including cylindrical rotor core The mounting groove is separately positioned at the quartering of the rotor core, and the two sides of the mounting groove are equipped with magnetic-leakage preventing air Slot, the middle part of the rotor core is equipped with the through-hole being inserted into for machine shaft, and is configured that

The rotor core is interspersed on machine shaft, and the rotor core is in and is surrounded by two second iron cores In space.

In the above scheme, the magnetic-leakage preventing air groove includes that the arc groove in the outside of the mounting groove is arranged in and sets The dovetail groove on the inside of the mounting groove is set, neck slot is equipped between the dovetail groove and the mounting groove.

In the above scheme, length of the dovetail groove close to the mounting groove side is greater than it far from the mounting groove one The length of side.

In the above scheme, the section of the mounting groove is rectangle.

In the above scheme, arc panel, the inner wall of each arc panel are separated between the through-hole and the dovetail groove Surround the through-hole.

In the above scheme, partition is equipped between the bevel edge of each dovetail groove.

In the above scheme, the two sides of first iron core are equipped with limiting slot, and the two sides projection of the iron core baffle is limited Position plate, the limit plate are stuck in the limiting slot.

In the above scheme, first iron core, the second iron core section be arc, and first iron core, second The center of circle of iron core is same point.

In the above scheme, the top of first iron core is equipped with function trough, and the inner wall of second iron core, which is equipped with, to be opened Slot.

In the above scheme, the iron core baffle is equipped with convex block towards the direction of the rotor core.

Compared with prior art, the utility model, structure is simple, compact, reduces the size of core structure, and then reduce Occupy the space of motor, iron core is using embedded, and magnet can be directly inserted into mounting groove, quick for installation, conveniently, stator Iron core uses split type design method, it can be achieved that flying fork type coiling, increases working efficiency, while can be by coil with iron core baffle Groove is filled up, increases tankful rate, and then increase the performance of motor.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

The structural schematic diagram of the rotor core structure of the position Fig. 2 the utility model；

The structural schematic diagram of the stator core construction of the position Fig. 3 the utility model；

The exploded view of the stator core construction of the position Fig. 4 the utility model.

Specific embodiment

The utility model provides a kind of core structure of motor, and structure is simple, compact, reduces the ruler of core structure It is very little, and then reduce the space for occupying motor, iron core is using embedded, and magnet can be directly inserted into mounting groove, and installation is fast It is prompt, conveniently, stator core and iron core baffle uses split type design method, it can be achieved that flying fork type coiling, increases working efficiency, Coil can be filled up to groove simultaneously, increase tankful rate, and then increase the performance of motor.It is with reference to the accompanying drawings of the specification and specific real Mode is applied to be described in detail the utility model.

As shown in Figure 1 to 4, the core structure of a kind of motor provided by the utility model, including stator core construction and 30 structure of rotor core.

As shown in Figure 3 and Figure 4, wherein stator core construction includes two stator iron being symmetricly set on electric machine casing Core, stator core include the first iron core 10 for connecting with electric machine casing and the second iron that 10 inside of the first iron core is arranged in Core 11 is connected between first iron core 10, the second iron core 11 by stem 12, the first iron core 10, the second iron core 11 and stem 12 The two sides of the groove that two sides surround for coil winding, two the first iron cores 10 are connected by iron core baffle 20, iron core baffle 20 Both ends and the detachable setting of two the first iron cores 10.

Ground is advanced optimized, the two sides of the first iron core 10 are equipped with limiting slot, and the two sides of iron core baffle 20 are convexly equipped with limit plate, Limit plate is stuck in limiting slot.Structure is simple, easy to process.

Advanced optimize ground, the first iron core 10, the second iron core 11 section be arc, and the first iron core 10, the second iron The center of circle of core 11 is same point, and the design method of concentric can make structure more compact, reduces occupied space.

Ground is advanced optimized, the top of the first iron core 10 is equipped with function trough 13, and the inner wall of the second iron core 11 is equipped with fluting 14, for the positioning of coil winding machine, it is convenient for coiling, increases working efficiency, while the magnetic resistance moment inside motor can be reduced.

Ground is advanced optimized, iron core baffle 20 is equipped with convex block 21 towards the direction of rotor core 30, for changing reluctance force Square.

As depicted in figs. 1 and 2,30 structure of rotor core includes cylindrical rotor core 30, is set on rotor core 30 There are four mounting grooves 40, it is preferable that the section of mounting groove 40 is rectangle, for placing rectangular magnet, convenient for the production of magnet. And four mounting grooves 40 are separately positioned at the quartering of rotor core 30, rationally, Distribution of Magnetic Field range is larger for design, increases horse The power reached.

The two sides of mounting groove 40 are equipped with magnetic-leakage preventing air groove, it is preferable that magnetic-leakage preventing air groove includes being arranged in mounting groove The arc groove 50 in 40 outside and the dovetail groove 51 that 40 inside of mounting groove is arranged in, are equipped between dovetail groove 51 and mounting groove 40 Neck slot 52.It is inserted into mounting groove 40 convenient for magnet, the leakage of magnet magnetic force can be prevented, the magnetic force of magnet can be efficiently used, Increase motor performance.

Ground is advanced optimized, length of the dovetail groove 51 close to 40 side of mounting groove is greater than its length far from 40 side of mounting groove Degree, it is reasonable in design, and arc panel 60 is separated between through-hole 31 and dovetail groove 51, the inner wall of each arc panel 60 surrounds logical Hole 31, is equipped with partition between the bevel edge of each trapezoidal plate, and rotor core 30 is divided into Openworks shape by stepped groove and arc groove 50, Mitigate integrally-built weight.

The middle part of rotor core 30 is equipped with the through-hole 31 being inserted into for machine shaft, for the shaft of motor to be inserted into, into And shaft rotation is driven by the rotation of rotor core 30.And work as rotor core 30 and be interspersed on machine shaft, rotor core 30 In the space surrounded by two second iron cores 11.

The utility model, structure is simple, compact, reduces the size of core structure, and then reduces the sky for occupying motor Between, iron core is using embedded, and magnet can be directly inserted into mounting groove, quick for installation, conveniently, stator core and iron core baffle Using split type design method, it can be achieved that flying fork type coiling, increases working efficiency, while coil can be filled up to groove, increase Tankful rate, and then increase the performance of motor.

The utility model is not limited to above-mentioned preferred forms, and anyone should learn that the enlightenments in the utility model Under the structure change made, it is all that there is same or similar technical solution with the utility model, each fall within the utility model Within protection scope.

Claims (10)

1. a kind of core structure of motor, which is characterized in that including

Stator core construction, including two stator cores being symmetricly set on electric machine casing, the stator core includes being used for The first iron core connected with electric machine casing and the second iron core being arranged on the inside of first iron core, first iron core, It is connected between two iron cores by stem, the two sides of first iron core, the second iron core and the stem surround for coil winding Groove, the two sides of two first iron cores are connected by iron core baffle, the both ends of the iron core baffle with two described the One iron core is detachably arranged；

Rotor core structure is set on the rotor core there are four mounting groove, described in four including cylindrical rotor core Mounting groove is separately positioned at the quartering of the rotor core, and the two sides of the mounting groove are equipped with magnetic-leakage preventing air groove, institute The middle part for stating rotor core is equipped with the through-hole being inserted into for machine shaft, and is configured that

The rotor core is interspersed on machine shaft, and the rotor core is in the space surrounded by two second iron cores It is interior.

2. a kind of core structure of motor according to claim 1, which is characterized in that the magnetic-leakage preventing air groove includes setting Set the arc groove in the outside of the mounting groove and the dovetail groove that is arranged on the inside of the mounting groove, the dovetail groove and described Neck slot is equipped between mounting groove.

3. a kind of core structure of motor according to claim 2, which is characterized in that the dovetail groove is close to the installation The length of slot side is greater than its length far from the mounting groove side.

4. a kind of core structure of motor according to claim 1, which is characterized in that the section of the mounting groove is in rectangular Shape.

5. a kind of core structure of motor according to claim 2, which is characterized in that the through-hole and the dovetail groove it Between be separated with arc panel, the inner wall of each arc panel surrounds the through-hole.

6. a kind of core structure of motor according to claim 2, which is characterized in that the bevel edge of each dovetail groove it Between be equipped with partition.

7. a kind of core structure of motor according to claim 1, which is characterized in that the two sides of first iron core are equipped with Limiting slot, the two sides of the iron core baffle are convexly equipped with limit plate, and the limit plate is stuck in the limiting slot.

8. a kind of core structure of motor according to claim 1, which is characterized in that first iron core, the second iron core Section be arc, and the center of circle of first iron core, the second iron core is same point.

9. a kind of core structure of motor according to claim 1, which is characterized in that the top of first iron core is equipped with The inner wall of function trough, second iron core is equipped with fluting.

10. a kind of core structure of motor according to claim 1, which is characterized in that the iron core baffle is described in The direction of rotor core is equipped with convex block.