CN206180725U - Electric machine - Google Patents

Abstract

The utility model provides an electric machine, it includes central pivot, the iron core rotor, N utmost point magnet set, S utmost point magnet set, insulation support, the coil, the iron core stator, iron core rotor cover is located in the central pivot and is made central pivot rotate along with the iron core rotor, the magnet set is located respectively on the iron core rotor, the coil is around locating on the insulation support, the insulation support cladding is outside the iron core rotor, the cladding of iron core stator is outside insulation support, a serial communication port, be equipped with on insulation support along the pivot hole that its length direction extends, the pivot hole is link up to its relative other end terminal surface by insulation support's one end terminal surface, it is poroid that the ladder is constructed into in the pivot hole, thereby can conveniently embolia central pivot, with antifriction bearing and iron core rotor locating assembly to the insulation support in, then the accessible is at the tip grafting shell fragment of central pivot, and closing cap upper end cover, alright realization assembly. The utility model discloses an it is ingenious that electric machine has structural design, and easily assembly improvement assembly efficiency's characteristics have very strong practicality, should widely popularize.

Description

Motor

【Technical field】

This utility model is related to motor, and more particularly to one kind is easily assembled, frequency of vibration is high, frequency of vibration is stable, energy consumption The little motor of low, noise.

【Background technology】

It is well known that traditional vibrating motor is respectively to install one group of adjustable eccentric block at iron core axle two ends, using axle And the eccentric block centrifugal force that at a high speed rotation is produced obtains exciting force.The vibration frequency range of vibrating motor is big, only exciting force Tying in power could reduce mechanicalness noise.Because it uses eccentric structure, its amplitude is uneven, and frequency of vibration is not steady enough It is fixed, and it is difficult miniaturization.Therefore, it is to meet different use demands, has developed a kind of by alternating current generation magnetic field Make the vibrating device of the small size high frequency rotational of rotor, the art solutions that such as the applicant applies before this --- motor, its Application No. 2015100566771.The motor of this structure, although demand can be met in performance, produces high frequency low amplitude vibrations, Frequency of vibration is high, and noise is less, and product build is less, and its build is about pencil fineness, but, due to its build compared with Little, intraware is also less, during its assembling, not only needs positioning assembling S type springs, and needs to connect by screw pairing. During reality processing, the assembly difficulty of S type springs is larger, and its whole assembly process is numerous and diverse, thus greatly reduces assembling Efficiency.

【Utility model content】

This utility model aims to solve the problem that the problems referred to above, and provides a kind of assembling simply, can improve the motor of efficiency of assembling.

For achieving the above object, this utility model provides a kind of motor, and it includes central rotating shaft, iron core, N poles magnetic Ferrum group, S poles group of magnets, insulating support, coil, iron core stator, the iron core is sheathed on central rotating shaft Shang Bingshi centers and turns Axle can be rotated with iron core, and N poles group of magnets is provided with two N poles Magnet, and S poles group of magnets is provided with two S poles Magnet, it is respectively arranged on the iron core, and the coil is set around on the insulating support, and the insulating support is coated on Outside the iron core, the iron core stator is coated on outside the insulating support, it is characterised in that set on the insulating support There is the shaft hole for extending along its length, the shaft hole is by one end end face insertion of insulating support to its relative other end End face, the central axis of the shaft hole is located along the same line with the central axis of the central rotating shaft, the shaft hole bag Include first rotating shaft hole adjacent successively, the second shaft hole and the 3rd shaft hole, the internal diameter in the first rotating shaft hole is less than described the The internal diameter of two shaft holes and shoulder hole is formed between second shaft hole, the internal diameter of second shaft hole is less than the described 3rd The internal diameter of shaft hole and form shoulder hole between the 3rd shaft hole.

One end of the central rotating shaft extend out to the outside of the insulating support through the first rotating shaft hole, described The other end of central rotating shaft is provided with shell fragment installing hole, is plugged with shell fragment in the shell fragment installing hole, one end of the shell fragment with The central rotating shaft grafting, the other end of the shell fragment is connected with end cap, and the end cap is packaged in the end of the insulating support.

The internal diameter in the first rotating shaft hole is provided with rolling not less than the external diameter of the central rotating shaft in second shaft hole Dynamic bearing, the rolling bearing is sheathed on the central rotating shaft, and the internal diameter of the 3rd shaft hole causes the iron core foot To be rotated in the 3rd shaft hole.

The insulating support axisymmetricly structure, is arranged with its external wall for the winding structure of winding coil, institute Stating winding structure includes that the winding body is convex for the winding body of wound around coil and for preventing coil from deviating from the baffle plate of winding body Go out and be formed on the outer wall of the insulating support, and the length direction along the insulating support extends, the baffle plate is formed at institute State winding body end and with the outer wall of the insulating support separately.

Location hole is provided with the baffle plate, the location hole corresponds to the winding body, and it is vertical by the surface of baffle plate Extend to the inside of the winding body and the 3rd shaft hole of insertion to insulating support.

The shell fragment spliced eye matched with the shell fragment end shape is provided with the end cap, the shell fragment spliced eye is just To the shell fragment installing hole on the central rotating shaft end.

Favorable attributes of the present utility model are that it efficiently solves the problems referred to above.This utility model is complete by arranging Insulating support, and the inside of insulating support arrange extend along its length and insertion two ends shaft hole, and in rotating shaft The shoulder hole for being internally formed size increase in hole, so as to conveniently directly insulating support can be inserted in outside central rotating shaft, and will roll Bearing, iron core load in insulating support, remove the complicated procedures of forming of pairing connection from；Further, since the end quilt of insulating support Shaft hole insertion, and the free end in central rotating shaft is provided with the shell fragment installing hole of grafting shell fragment, during assembling, it is only necessary to by shell fragment pair Shell fragment installing hole in true centric rotating shaft, then seals up end cap, just can be rapidly completed assembling, because being that shell fragment is inserted directly into peace Dress, thus its assembly difficulty is low, is greatly improved efficiency of assembling.Motor of the present utility model has that assembling is simple, is easy to improve The characteristics of efficiency of assembling, with very strong practicality, preferably widely popularize.

【Description of the drawings】

Fig. 1 is overall structure diagram of the present utility model.

Fig. 2 is overall structure decomposing schematic representation of the present utility model.

Fig. 3 is the structural representation of central rotating shaft of the present utility model.

Fig. 4 is the half-sectional structural representation of insulating support of the present utility model.

Fig. 5 is the half-sectional structural representation of overall structure of the present utility model.

Fig. 6 is structural representation when this utility model is not powered on.

Fig. 7 is one of structural representation when this utility model is powered.

Fig. 8 is two of structural representation when this utility model is powered.

Wherein, central rotating shaft 1, shell fragment installing hole 11, iron core 2, central shaft hole 21, location and installation groove 22, N poles Magnet Group 3, S poles group of magnets 4, insulating support 5, winding body 51, baffle plate 52, location hole 53, first rotating shaft hole 54, the second shaft hole 55, 3rd shaft hole 56, locating slot 57, rolling bearing 6, coil 7, iron core stator 8, flat part 81, arc portion 82, convex portion 83, shell fragment 9, End cap 10, shell fragment spliced eye 101, location division 102.

【Specific embodiment】

The following example is explained further and supplements to of the present utility model, and to this utility model any limit is not constituted System.

As shown in Fig. 1~Fig. 8, motor of the present utility model includes central rotating shaft 1, iron core 2, N poles group of magnets 3, S poles Group of magnets 4, insulating support 5, rolling bearing 6, coil 7, iron core stator 8, shell fragment 9 and end cap 10.

As shown in Figure 1, Figure 2, Figure 3 shows, the central rotating shaft 1 is in round bar shape, its one end end by milling it is flat and be in it is single flat-shaped, its For motor of the present utility model to be attached with object to be connected.For purposes of illustration only, in the present embodiment, the center turns Axle 1 is referred to as installation end 12 in single flat-shaped one end, and its other end is referred to as free end 13.In the freedom of the central rotating shaft 1 13 ends are held to be provided with shell fragment installing hole 11, it is used to insert the shell fragment 9.The shape of the shell fragment installing hole 11 and the shell fragment The mating shapes of 9 ends, in the present embodiment, the shell fragment installing hole 11 is grown by the end of free end 13 of central rotating shaft 1 along it Degree direction extends, and the shell fragment installing hole 11 is located at the center of the end of free end 13 of the central rotating shaft 1, Bing Yugai centers The end diameter of free end 13 of rotating shaft 1 is located along the same line.It should be noted that, the central rotating shaft 1 is in round bar shape not office It is entirely round bar type to be limited to the central rotating shaft 1, and it refers to and see that on the whole it is in round bar shape, can be according to peace on central rotating shaft 1 Dress needs and arranges the various shaft shoulders or other positioning or mounting structure.

As shown in Fig. 2, Fig. 5, the iron core 2 is sheathed on the near of the free end 13 of close central rotating shaft 1 of central rotating shaft 1 End, or it is sheathed on the middle part of central rotating shaft 1.The iron core 2 is connected with the central rotating shaft 1, and such as both can mistake It is full of and is combined together, or is linked together by securing member；When iron core 2 is rotated, the central rotating shaft 1 can turn with iron core Son 2 rotation and rotate.In the present embodiment, the iron core 2 is made up of silicon steel material.The iron core 2 is plate-like, The iron core 2 is provided with central shaft hole 21, and the central shaft hole 21 extends along the length direction of iron core 2, and is located at The center of the iron core 2.The central shaft hole 21 be used for install the central rotating shaft 1, the size of the central shaft hole 21 with The external diameter of the central rotating shaft 1 matches.Two location and installation grooves are respectively provided with the relative two side of the iron core 2 22, it is used to be spaced installing Magnet.The location and installation groove 22 extends along the length direction of iron core 2, and respectively along wherein The central axis of arbor hole 21 is axisymmetricly.In the present embodiment, the location and installation groove 22 is elongated, and it is used to be embedded in installing The Magnet of strip.

As shown in Fig. 2 the Magnet includes N poles group of magnets 3 and S poles group of magnets 4.N poles group of magnets 3 includes two N Pole Magnet, S poles group of magnets 4 includes two S poles Magnet.The Magnet is embedded at respectively in the location and installation groove 22.Institute State the winding mode of the distribution depending on the coil 7 of Magnet.In the present embodiment, in the location and installation of the same side of iron core 2 A N poles Magnet and a S poles Magnet are respectively provided with groove 22, two N poles Magnet positioned at the opposite sides of iron core 2 are along ferrum The central cross-section of core rotor 2 is symmetrical, and two S poles Magnet positioned at the opposite sides of iron core 2 also cut along the center of iron core 2 Face is symmetrical.Wherein, the central cross-section of the iron core 2 refers to the axle center through central shaft hole 21, and perpendicular to iron core 2 The another both sides side for being not provided with location and installation groove 22 plane, i.e. the section F that dotted line is illustrated in Fig. 6.Positioned at iron core 2 The axle center respectively along central shaft hole 21 of S poles Magnet and N poles Magnet of central cross-section both sides be centrosymmetric.Other embodiment In, the Magnet also can be distributed in the following manner：A N is respectively provided with the location and installation groove 22 of the same side of iron core 2 Pole Magnet and a S poles Magnet, in being in along the axle center of central shaft hole 21 positioned at two N poles Magnet of the opposite sides of iron core 2 The heart is symmetrical, and axle center of two S poles Magnet also along central shaft hole 21 positioned at the opposite sides of iron core 2 is centrosymmetric.

As shown in Figure 1 and Figure 2, the insulating support 5 is sheathed on outside the iron core 2, its not with central rotating shaft 1 turn Move and rotate.As shown in Fig. 1~Fig. 2, in the present embodiment, the insulating support 5 is axially symmetric structure, in the insulating support 5 Central authorities be provided with the shaft hole of circular in cross-section, the shaft hole extends along the length direction of insulating support 5, and insertion insulation The two ends of frame 5, are directly directly inserted in the insulating support 5 outside central rotating shaft 1 so as to convenient.For ease of installing, the rotating shaft Hole includes first rotating shaft hole 54 adjacent successively, the second shaft hole 55 and the 3rd shaft hole 56.The first rotating shaft hole 54, second The internal diameter of the shaft hole 56 of shaft hole 55 and the 3rd increases successively, so that shape between the shaft hole 55 of first rotating shaft hole 54 and second Into shoulder hole, shoulder hole is formed between the second shaft hole 55 and the 3rd shaft hole 56, and then be easy to location and installation, simplified and step is installed Suddenly, and keep installing correct.In the present embodiment, the internal diameter in the first rotating shaft hole 54 is not less than the external diameter of the central rotating shaft 1, Second shaft hole 55 is used to install rolling bearing 6, and its size matches with the size of the rolling bearing 6 installed, institute Stating the 3rd shaft hole 56 is used to be coated on outside iron core 2, and its size causes the iron core 2 that freedom can be carried out inside it Rotate.It is respectively symmetrically on the outer wall of the insulating support 5 and is provided with the winding structure for being easy to winding coil 7.In the present embodiment, institute Winding structure includes being limited on winding body 51 and be easy to the baffle plate of coiling for the winding body 51 of wound around coil 7 and by coil 7 52.The winding body 51 extends along the length direction of insulating support 5, and its protrusion is formed at the outer wall of the insulating support 5, and with The outer wall of the insulating support 5 is perpendicular.The baffle plate 52 be formed at the end of the winding body 51 and with the insulating support 5 Outer wall separately.The shape of the baffle plate 52 can be set as desired, and in the present embodiment, it is in arc tabular, its length side To two ends end respectively beyond the end of the winding body 51, the two ends end of the width of baffle plate 52 is respectively beyond described The side wall of winding body 51, so that winding space is formed between the outer wall of baffle plate 52 and insulating support 5, it is convenient in winding body 51 Upper winding coil 7, and can ensure that coil 7 does not fall out the winding body 51 during winding coil 7.To install iron core Stator 8, is respectively equipped with location hole 53 on the baffle plate 52.The location hole 53 extends along the length direction of insulating support 5, and Just to the winding body 51.In the present embodiment, the location hole 53 is slot, and it extends to coiling by the surface of baffle plate 52 The inside of body 51 and the 3rd shaft hole 56 of insertion to insulating support 5.In the table not covered by baffle plate 52 of the insulating support 5 Face is provided with the locating slot 57 for end cap described in location and installation 10.In the present embodiment, divide on the outer wall of the insulating support 5 Two rectangular locating slots 57 are not arranged with, between the line and described two winding bodies 51 between two locating slots 57 Line it is perpendicular.The locating slot is located at the end of the shaft hole 56 of correspondence the 3rd of the insulating support 5.

As shown in Figure 2 and Figure 3, the iron core stator 8 is provided with altogether two, and its planform is consistent, and it is respectively by with respect between Every flat part 81 and be connected to two ipsilateral penumbras of flat part 81 arc portion 82 be integrally formed.In the inner side table of the arc portion 82 Face, i.e., be respectively provided with the convex portion 83 of a poly- magnetic towards on the surface at the cambered surface center of arc portion 82, and it is used to that magnetic to be concentrated and increased Strong magneticaction.The convex portion 83 is in strip, and it is located at the centre of the arc portion 82 of iron core stator 8, and along the length of iron core stator 8 Degree direction extends, and is respectively separated with the flat part 81 and parallel.In the present embodiment, the convex portion 83 and the flat part 81 Length is consistent, and its length matches respectively with the length of location hole 53 on the insulating support 5.The convex portion 83 is used to insert In the location hole 53 of insulating support 5, the depth of the location hole 53 is stretched into without departing from the insulating support 5 in the convex portion 83 Shaft hole for optimum.The iron core stator 8 is made up of ferrimagnet, and in the present embodiment, the iron core stator 8 is by silicon steel material Material is made, and it has excellent magnetic conductivity.

The shell fragment 9 is in lamellar, and its shape can be arranged arbitrarily as desired, and its one end is plugged in the central rotating shaft In the shell fragment installing hole 11 of 1 free end 13, its other end is used to be connected with the end cap 10.The end cap 10 is used to cover The end of the insulating support 5, the shape of the end cap 10 matches with the end shape of the insulating support 5, the present embodiment In, in discoideus, its central authorities is provided with shell fragment spliced eye 101 to the end cap 10, the form and dimension of the shell fragment spliced eye 101 with The end of the shell fragment 9 matches.For ease of location and installation, it is respectively symmetrically on the outer wall of the end cap 10 and is provided with along its axial direction The mating shapes of the locating slot 57 on the location division 102 of extension, the shape of the location division 102 and the insulating support 5, this In embodiment, its rectangular tabular, and the location division is parallel with the shell fragment spliced eye 101.

As shown in Figure 1, Figure 2, Figure 5, during assembling, can be operated according to the following steps：

1st, Magnet is loaded in the location and installation groove 22 of the both sides of iron core 2；

2nd, iron core 2 is set on central rotating shaft 1；

3rd, rolling bearing 6 is set on central rotating shaft 1；

The 4th, the central rotating shaft 1 for installing rolling bearing 6 and iron core 2 is inserted in the inside of insulating support 5, central rotating shaft is made 1 installation end 12 extend out to the outside of insulating support 5 through the first rotating shaft hole 54 of the insulating support 5, makes rolling bearing 6 Load in the second shaft hole 55 of insulating support 5, iron core 2 is loaded in the 3rd shaft hole 56 of insulating support 5；

5th, one end of shell fragment 9 is plugged in the shell fragment installing hole of the free end 13 of central rotating shaft 1, then by the pairing of end cap 10 The end of insulating support 5 is connected to, the other end for making shell fragment 9 is plugged in the shell fragment spliced eye 101 of end cap 10；

6th, the convex portion 83 of iron core stator 8 is inserted in the location hole 53 of insulating support 5, the cladding for closing iron core stator 8 In the outside of insulating support 5.

Take this, just can be assembled into motor described in the utility model.Wherein, step 1,2,3 order can be exchanged arbitrarily, step Rapid 5,6 order also interchangeable, coil 7 was set around on the winding body 51 of insulating support 5 before step 6.The coil 7 Winding mode, related to the distribution of the Magnet, in the present embodiment, the coil 7 is set around in an identical manner symmetrical point On the winding body 51 of cloth.The winding in an identical manner is referred to when the coil is energized, when watching from same direction, two coilings The sense of current of the coil of body 51 is identical, is such as all clockwise, or is all counterclockwise.

When using, as shown in Fig. 6, Fig. 7, Fig. 8, when 7 no power of coil, in the presence of shell fragment 9, the iron core stator 8 convex portion 83 is right against between S poles Magnet and N poles Magnet, and N poles group of magnets 3 and S poles group of magnets 4 remain static.When to line When circle 7 accesses positive and negative square wave power, coil 7 is powered and produces magnetic field, and magnetic is added by the convex portion 83 of iron core stator 8 By force, according to Ampere's law (screw law), in the range of positive wave, because coil 7 is around to identical, hence in so that two iron cores The magnetic of two convex portions 83 of stator 8 is conversely, one end forms N poles, one end formation S poles.Now because the Magnet same sex is repelled each other the opposite sex It is attracting, as shown in fig. 6, the convex portion 83 of S poles attracts N poles Magnet, and push away S poles Magnet；The convex portion 83 of N poles attracts S poles Magnet, and Push away N poles Magnet；So that iron core 2 is rotated, such as inverse clock is rotated.And when in the range of negative wave, as shown in fig. 7, its Operation principle is similar to, but rotation direction is contrary.When persistently positive and negative square wave is passed through to coil 7, iron core 2 will be in finite angle Reciprocating rotation in degree, so as to drive the reciprocating rotation of central rotating shaft 1.Due to the rotational angle of iron core 2 it is little, therefore this utility model Device frequency of vibration it is high, frequency of vibration is stable, and energy consumption is low, life-span length, noise are little, its can be widely applied to shake toothbrush, The articles for use such as sound wave face washing device, masseur, sex toy.Because the inside of insulating support of the present utility model 5 is provided with two ladders Hole, and its two ends end of shaft hole insertion insulating support 5, thus central rotating shaft 1 can be inserted directly into the inside of insulating support 5, and Rolling bearing 6 and iron core 2 is set fast and accurately to be assembled to the inside corresponding position of insulating support 5；Further, since center The end of free end 13 of rotating shaft is provided with shell fragment installing hole, and the end of insulating support 5 is through hole, thus can quick insertion shell fragment simultaneously Encapsulation end cap 10, so as to be rapidly completed assembling.Motor of the present utility model, structure setting is ingenious, it is easy to install, and is greatly improved Efficiency of assembling, with very strong practicality, preferably widelys popularize.

Although being disclosed to this utility model by above example, scope of the present utility model is not limited to In this, under conditions of conceiving without departing from this utility model, each component of the above can use the similar of art personnel understanding Or equivalent element is replacing.

Claims (6)

1. a kind of motor, it includes central rotating shaft (1), iron core (2), N poles group of magnets (3), S poles group of magnets (4), insulation Frame (5), coil (7), iron core stator (8), the iron core (2) is sheathed on central rotating shaft (1) and makes the central rotating shaft (1) can Rotated with iron core (2), N poles group of magnets (3) are provided with two N poles Magnet, S poles group of magnets (4) are provided with two Individual S poles Magnet, it is respectively arranged on the iron core (2), and the coil (7) is set around on the insulating support (5), described Insulating support (5) is coated on the iron core (2) outward, and the iron core stator (8) is coated on the insulating support (5) outward, its It is characterised by, the shaft hole for extending along its length is provided with the insulating support (5), and the shaft hole is by insulating support (5) one end end face insertion is to its relative other end end face, the central axis of the shaft hole and the central rotating shaft (1) Central axis is located along the same line, and the shaft hole includes first rotating shaft hole (54) adjacent successively, the second shaft hole (55) With the 3rd shaft hole (56), the internal diameter of the first rotating shaft hole (54) less than second shaft hole (54) internal diameter and with this Shoulder hole is formed between two shaft holes (55), the internal diameter of second shaft hole (55) is interior less than the 3rd shaft hole (56) Footpath and form shoulder hole between the 3rd shaft hole (56).

2. motor as claimed in claim 1, it is characterised in that one end of the central rotating shaft (1) passes through the first rotating shaft Hole (54) and extend out to the outside of the insulating support (5), be provided with shell fragment installing hole in the other end of the central rotating shaft (1) (11) shell fragment (9), is plugged with the shell fragment installing hole (11), one end and the central rotating shaft (1) of the shell fragment (9) are inserted Connect, the other end of the shell fragment is connected with end cap (10), and the end cap (10) is packaged in the end of the insulating support (5).

3. motor as claimed in claim 2, it is characterised in that the internal diameter of the first rotating shaft hole (54) is not less than the center The external diameter of rotating shaft (1), is provided with rolling bearing (6) in second shaft hole (55), the rolling bearing (6) be sheathed on it is described in In heart rotating shaft (1), the internal diameter of the 3rd shaft hole (56) causes the iron core (2) to be enough in the 3rd shaft hole (56) Rotated.

4. motor as claimed in claim 3, it is characterised in that the insulating support (5) axisymmetricly structure, on its external wall It is arranged with for the winding structure of winding coil (7), the winding structure includes the winding body (51) for wound around coil (7) With for preventing coil from deviating from the baffle plate (52) of winding body (51), winding body (51) protrusion is formed at the insulating support (5) on outer wall, and the length direction along the insulating support (5) extends, and the baffle plate (52) is formed at the winding body (51) end and with the outer wall of the insulating support (5) separately.

5. motor as claimed in claim 4, it is characterised in that location hole (53) is provided with the baffle plate (52), it is described fixed Corresponding to the winding body (51), it is extended perpendicularly to the inside of the winding body (51) by the surface of baffle plate (52) for position hole (53) And the 3rd shaft hole (56) of insertion to insulating support (5).

6. motor as claimed in claim 5, it is characterised in that be provided with the end cap (10) and the shell fragment (9) end The shell fragment spliced eye (101) of mating shapes, the shell fragment spliced eye (101) is just to the bullet on the central rotating shaft (1) end Piece installing hole (11).