CN207442674U - Small-sized high-frequency vibration device - Google Patents

Abstract

A kind of small-sized high-frequency vibration device, it includes central shaft, group of magnets, the shell of pairing connection, iron core, coil, it is characterized in that, the group of magnets is arranged on the iron core, the shell is coated on outside the iron core, the coil is set around on the shell, iron core stator is equipped on the housing, the central axle sleeve is loaded in the iron core, and it can be rotated synchronously with the iron core, one end of the central shaft is extend out to outside the shell and as free end, its other end is plugged with spring leaf, the first spliced eye is internally provided in the shell, first spliced eye is opposite with the end interval of the central shaft, one end of the spring leaf and the center axis connection, its other end is plugged in first spliced eye.The features such as new small-sized high-frequency vibration device of this practicality simply, is unlikely to deform with assembling, low noise, has very strong practicability, preferably widelys popularize.

Description

Small-sized high-frequency vibration device

【Technical field】

The utility model is related to motor, more particularly to it is a kind of it is simple in structure, be easily assembled, vibration frequency is high, small Small-sized high-frequency vibration device.

【Background technology】

It is well known that traditional vibrating motor is respectively to install one group of adjustable eccentric block at 30 axis both ends of iron core, utilize Axis and the eccentric block centrifugal force that rotation generates at a high speed obtain exciting force.The vibration frequency range of vibrating motor is big, only excited vibration Power ties in power could reduce mechanicalness noise.Since it is using eccentric structure, amplitude is uneven, and vibration frequency is inadequate Stablize, and be not easy to minimize.

【Utility model content】

The purpose of the utility model is to solve the above problems and to provide it is a kind of it is simple in structure, be easily assembled, build is smaller small-sized High-frequency vibration device.

To achieve the above object, the utility model provides a kind of small-sized high-frequency vibration device, including central shaft, magnet Group, shell, iron core, the coil of pairing connection, which is characterized in that the group of magnets is arranged on the iron core, described Shell is coated on outside the iron core, and the coil is set around on the shell, on the housing equipped with iron core stator, institute It states central axle sleeve to be loaded in the iron core, and can be rotated synchronously with the iron core, one end of the central shaft is stretched out It is outer to the shell and as free end, the other end is plugged with spring leaf, in first spliced eye that is internally provided with of the shell, First spliced eye is opposite with the end interval of the central shaft, one end of the spring leaf and the center axis connection, The other end is plugged in first spliced eye.

The iron core is equipped with the central shaft hole extended along its length, is equipped on the outer wall of the iron core The magnet slot of parallel interval, the magnet slot are set along the length direction of iron core, and the central axle sleeve is loaded on the center In axis hole, the group of magnets is arranged in the magnet slot.

The shell includes the first shell and second shell of pairing connection, right between the first shell and second shell Conjunction forms accommodating cavity, and its one end closing, the other end is equipped with the through hole for interting the central shaft, in the blind end of the shell Portion is equipped with first spliced eye, and the iron core is arranged in the accommodating cavity, and one end of the central shaft leads to through described Hole and extend to outside the shell, on the end face of the other end of the central shaft be equipped with the second spliced eye, the spring leaf One end is plugged in second spliced eye, and the other end is plugged in first spliced eye.

Cricoid bearing groove is equipped on the inner wall of the shell, rolling bearing, the rolling are equipped in the bearing groove Dynamic bearing is sheathed on the central shaft.

The first shell include integrally formed first main part, the first wound portion and the first blocking portion, described second Housing includes the second main part, the second wound portion and the second blocking portion, and first main part is connected with the second main part pairing, The accommodating cavity is formed between it, first blocking portion is arranged at intervals with first main part, and first wound portion connects It is connected between first blocking portion and the first main part, second blocking portion is arranged at intervals with second main part, institute It states the second wound portion to be connected between second blocking portion and the second main part, the coil is set around first wound portion In the second wound portion, and between first main part and the first blocking portion, the second main part and the second blocking portion.

The first peace for penetrating through first main part, the first wound portion and the first blocking portion is equipped in the first shell Hole is filled, the second installation for penetrating through second main part, the second wound portion and the second blocking portion is equipped in the second shell Hole, when the first shell and second shell pairing, first mounting hole is opposite with second mounting hole.

The first half bore is equipped on the position of the second main part of direction of first main part, in second main body Equipped with second half bore opposite with the first half hole site, first half bore and the second half bore are combined to form described first and insert Connect hole.

First half bore includes matching in the first flaring area of flared and with the spring leaf thickness first narrow Mouth region, second half bore include being flared area and the second slot to match with the spring leaf thickness in the second of flared Area, when the first shell and second shell pairing, the first flaring area and described second flaring area's pairing, described first Slot area is opposite with the second slot area, and the marginal portion of the spring leaf end is plugged in the first slot area and second In slot area.

The first positioning region is equipped on the surface of the second main part of direction of first main part, in second main body The surface of first main part of direction in portion is equipped with the second positioning region to match with first positioning region, first positioning Together with portion can be embedded with the second positioning region.

The first wire casing of cabling is equipped on the side surface of the second main part in first main part, described The second wire casing that cabling is equipped with away from a side surface of the first main part of second main part, first wire casing and the second line Slot extends along the length direction of first shell, and its one end is respectively facing the coil, and the other end is respectively facing the shell End.

The favorable attributes of the utility model are, efficiently solve the above problem.The small-sized high frequency vibrating of the utility model Dynamic device is passed through the sense of current of coil by control according to electromagnetic induction and magnet identical charges repel each other principle of opposite sex attraction, So that iron core deflects and drives central shaft reciprocating rotation, vibrating effect is realized.Since the rotation of iron core turns Dynamic angle is small, therefore the device vibration frequency of the utility model is high, and vibration frequency is stablized, simple in structure, be easily assembled, and energy It consumes that low, long lifespan, noise are small, build is compact, there is very strong practicability.The small-sized high-frequency vibration device of the utility model can It is widely used in shaking the articles for use such as toothbrush, sound wave face washing device, massager, sex toy.

【Description of the drawings】

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

Fig. 2 is the structural decomposition diagram of the utility model.

Fig. 3 is the sectional view of the utility model, wherein, it is that plane carries out cutting where along the protrusion of iron core stator.

Fig. 4 is another sectional view of the utility model, wherein, be along the plane of first shell and second shell pairing into Row cutting.

Fig. 5 is the structure diagram of first shell or second shell.

Fig. 6 is another structure diagram of first shell or second shell.

Fig. 7 is another structure diagram of first shell or second shell.

Fig. 8 is two kinds of different set-up modes of group of magnets.

Fig. 9 is principle schematic.

Figure 10 is another principle schematic.

Wherein, central shaft 10, the second spliced eye 11, shell 20, through hole 21, first shell 22, the first half bore 221, first It is flared area 2211, the first slot area 2212, the first positioning region 222, the first main part 223, the stop of the first wound portion 224, first Portion 225, the first mounting hole 226, the first wire casing 227, second shell 23, the second half bore 231, second flaring area 2311, second are narrow Mouth region 2312, the second positioning region 232, the second main part 233, the second wound portion 234, the second blocking portion 235, the second mounting hole 236th, the second wire casing 237, the first spliced eye 24, bearing groove 25, cable clamping interface 26, iron core 30, central shaft hole 31, magnet slot 32nd, iron core stator 40, flat part 41, arc portion 42, protrusion 43, spring leaf 50, group of magnets 60, coil 70, rolling bearing 80,

【Specific embodiment】

The following example is being explained further and supplementing to the utility model, does not form any limit to the utility model System.

As shown in Fig. 1~Figure 10, the small-sized high-frequency vibration device of the utility model includes central shaft 10, shell 20, iron core Rotor 30, iron core stator 40, spring leaf 50, group of magnets 60, coil 70.

As shown in Fig. 2, the iron core 30 is made of magnetic material, in the present embodiment, by several silicon steel lamellas It folds and is formed.The iron core 30 is axially symmetric structure, is equipped in the center of the iron core 30 and prolongs along its length The central shaft hole 31 stretched, the symmetrical overlapping of axles of the central axis of the central shaft hole 31 and the iron core 30.For convenience of peace The group of magnets 60 is filled, the magnet slot 32 of parallel interval is equipped on the outer wall of the iron core 30.In the present embodiment, in institute The outer wall for stating iron core 30 is equipped with the magnet slot 32 of 4 strips, distinguishes parallel interval, and integrated symmetric is distributed.

As shown in Figure 1 and Figure 2, the central shaft 10 is installed in the central shaft hole 31 of the iron core 30, can be with institute Iron core 30 is stated to rotate synchronously.The central shaft 10 can be tied with the central shaft hole 31 by well known assembly method or assembling Structure and both realize and to rotate synchronously.The length of the central shaft 10 is more than the length of the iron core 30.The central shaft 10 One end for free end, one end is connecting pin.The free end of the central shaft 10 extends to the central shaft of the iron core 30 Outside hole 31, it is used to extend out to outside shell 20 and be connected with the object to be installed used, such as the head toothbrushes for electric toothbrush Deng.The connecting pin of the central shaft 10, both can be concordant with the end of the iron core 30 for connecting the spring leaf 50, It also can be with extending out to outside the end of the iron core 30.In the present embodiment, turn when the central shaft 10 is installed on the iron core When in the central shaft hole 31 of son 30, connecting pin is concordant with the end of the iron core 30.For convenience of the connection spring leaf 50, it is equipped with the second spliced eye 11 in the connecting pin end of the central shaft 10.The shape of second spliced eye 11 and the bullet The end shape of reed 50 matches.In the present embodiment, the spring leaf 50 in the form of sheets, end portion width and the central shaft 10 Diameter it is consistent, second spliced eye 11 be by the rectangle blind hole of 10 end face diameter of central shaft, thickness with it is described The consistency of thickness of spring leaf 50 so that when the spring leaf 50 is inserted to second spliced eye 11, can be stablized Link together.

As shown in Figure 1, the shell 20 is coated on outside the iron core 30, its one end is open, one end closing, closing For installing the spring leaf 50, open end is equipped with the through hole 21 for interting the central shaft 10, is used to make the center at end The free end of axis 10 is extend out to outside shell 20.The diameter of the through hole 21 is preferably greater than the diameter of the central shaft 10.

As shown in Fig. 2, the shell 20 is connected with 23 pairing of second shell by first shell 22 and formed, first shell 22 Accommodating cavity is formed between second shell 23, which is used to install the iron core 30, rolling bearing 80, spring leaf 50 And central shaft 10.One end end pairing of first shell 22 and second shell 23 and in closed, other end end pairing and Form the through hole 21.For convenience of the spring leaf 50 is connected, the first grafting is equipped in the blind end end of the shell 20 Hole 24.Since the shell 20 is formed by first shell 22 and 23 pairing of second shell, in the present embodiment, such as Fig. 5 institutes Show, the first opposite half bore 221 of position and are respectively equipped on the opposite position of the first shell 22 and second shell 23 Two half bore 231, when 23 pairing of first shell 22 and second shell, 221 and second half bore 231 of the first half bore just pairing shape Into the first spliced eye 24 of blind hole shape.For convenience of the spring leaf 50 is installed, in the present embodiment, first half bore 221 includes Area 2211 and the first slot area 2212 to match with 50 thickness of spring leaf are flared in the first of flared.Described first expands Mouth region 2211 is in the flaring area of open shape, and the spot size close to the second half bore 231 is larger, away from the second half bore 231 Spot size is smaller.The first slot area 2212 is formed at described first flaring area smaller one end of 2211 size, is square Shape blind hole, the thickness of thickness and the spring leaf 50 match.First flaring, 2212, the 2211 and first slot area of area At the symmetrical center positions of the first shell 22.Similarly, second half bore 231 includes the second flaring area in flared 2311 and the second slot area 2312 for matching with 50 thickness of spring leaf.The second flaring area 2311 is in the expansion of open shape Mouth region, the spot size close to the first half bore 221 is larger, and the spot size away from the first half bore 221 is smaller.Described second Slot area 2312 is formed at described second flaring area smaller one end of 2311 size, is rectangle blind hole, thickness and the bullet The thickness of reed 50 matches.Second flaring, the 2311 and second slot area 2312 of area is located at the symmetrical of the second shell 23 Center position.When the first shell 22 is connected with 23 pairing of second shell, the first flaring area 2211 and second expands 2311 pairing of mouth region, the 2212 and second slot area of the first slot area, 2312 positions are opposite, are integrally formed described first and insert Connect hole 24.It is inserted into since the middle part size of the first spliced eye 24 is larger, thus beneficial to the alignment of spring leaf 50, due to first The thickness one of the two-end part of spliced eye 24, the i.e. thickness in the first slot area 2212 and the second slot area 2312 and spring leaf 50 It causes, thus can be stably connected with together both after spring leaf 50 is inserted into.

As shown in Fig. 5~Fig. 7, the first shell 22 is connected with 23 pairing of second shell, in the present embodiment, passes through spiral shell Nail pairing links together.It is connected for convenience of its pairing, in the side surface towards second shell 23 of the first shell 22 The first positioning region 222 is equipped with, the second positioning is equipped on the side surface towards first shell 22 of the second shell 23 Portion 232, first positioning region 222 match with the second positioning region 232, can mutually be embedded together.22 He of first shell When 23 pairing of second shell connects, the first positioning region 222 is embedded with the second positioning region 232, facilitates its positioning combination together.When The two positioning combination together after, both can be fastened to make by screw to be tightly coupled together.First positioning region 222 and second positioning region 232 can be set to the form of positioning column and groove, for example, in first shell 22 towards second shell The positioning column on the prominent surface on 23 side surface is set, the groove of indent is set in the corresponding position of second shell 23, When 23 pairing of first shell 22 and second shell, both positioning column can be embedded in the groove and facilitate positioning combination.

The coil 70 and the iron core stator 40 are respectively arranged on the shell 20, set the coil 70 for convenience, In the present embodiment, as shown in Fig. 5~Fig. 7, the shell 20 is formed by main part, wound portion, blocking portion.Specifically, described One housing 22 includes integrally formed first main part 223, the first wound portion 224 and the first blocking portion 225.The second shell 23 include integrally formed second main part 233, the second wound portion 234 and the second blocking portion 235.First main part 223 With the second main part 233 have half arc cavity, when the first main part 223 and the second 233 pairing of main part, between just Form the accommodating cavity.The form and dimension of the accommodating cavity, should cause the iron core 30 in rotation process not with outside The internal intervention of shell 20, while make the shaped volumes of entire shell 20 compact as far as possible.First blocking portion 225 and described first Main part 223 is arranged at intervals, and is arranged on the one side being away from each other with the second main part 233 of first main part 223.Described First wound portion 224 is connected between first main part 223 and the first blocking portion 225.First wound portion 224 is used for Winding coil 70, first blocking portion 225 come off for limiting coil 70, facilitate wound around coil 70, while for installing institute State iron core stator 40.First wound portion 224 is formed at the outer surface center of first main part 223, protrudes from The outer surface of first main part 223, and it is set along the length direction of the first main part 223.First wound portion 224 is in length Strip and block, length are less than the length of first main part 223.First blocking portion 225 by the first wound portion 224 end The opposite outside both sides in portion extend and are formed, opposite with the outer surface of first main part 223, so that winding Coil 70 can not be deviate from from the first wound portion 224.In the present embodiment, first blocking portion 225 is in arc plate, and length is big It is left with respect to the first wound portion 224 less than the length of first main part 223 in the length of first wound portion 224 It is right symmetrical.For convenience of the iron core stator 40 is installed, the first mounting hole 226 is equipped in the first shell 22, described first Mounting hole 226 is through hole, penetrates through first main part 223, the first wound portion 224 and the first blocking portion 225.Described first Mounting hole 226 is set along the length direction of the first shell 22, is located at 225 and first wound portion of the first blocking portion 224 center, length are less than the length of first wound portion 224.The substantially same first shell of structure of the second shell 23 Body 22, the structure of the second main part 233, the second wound portion 234 and the second blocking portion 235 is respectively the same as the first main part 223, the One wound portion 224 and the first blocking portion 225 similarly, are equipped with the second mounting hole 236, perforation described the in first shell 22 Two main parts 233, the second wound portion 234 and the second blocking portion 235.When the first shell 22 and 23 pairing of second shell, It is centrosymmetric along the plane of its pairing, and the first blocking portion 225 and the second blocking portion 235 are opposite respectively to be located at shell 20 Outermost, the first mounting hole 226 and 236 position of the second mounting hole are opposite.

As shown in figure 5, being rotated for convenience of the central shaft 10, it is equipped on the accommodating cavity wall of the shell 20 cricoid Bearing groove 25.In the present embodiment, the bearing groove 25 is arranged at the position of its close open end of the shell 20.In the axis It holds and rolling bearing 80 is equipped in slot 25, the rolling bearing 80 is sheathed on the central shaft 10.

As shown in fig. 6, for convenience of 70 wiring of coil, the first wire casing is equipped in the outer surface of first main part 223 227, it is equipped with the second wire casing 237 in the outer surface of second main part 233.There are two first wire casing 227 is set, put down Between-line spacing is distributed at the both sides of the edge position of first main part 223, and positioned at shell 20 close to its blind end end At the position in portion.First wire casing 227 is strip groove, is extended along the length direction of the first shell 22, one end court To the coil 70, the other end is towards the end of first shell 22, so as to which the end for facilitating coil 70 can be along described first Wire casing 227 and draw carry out wiring.There are two second wire casing 237 is set, parallel interval is distributed and second main body At the both sides of the edge position in portion 233, and positioned at the shell 20 at the position of its blind end end.Second wire casing 237 be strip groove, is extended along the length direction of the second shell 23, its one end is towards the coil 70, the other end Towards the end of the second shell 23, so as to which the end for facilitating coil 70 can draw and carry out along second wire casing 237 Wiring.

As shown in figure 5, due to being both needed to wound around coil 70 in the first wound portion 224 and the second wound portion 234, when coil 70 It is when being entwined by a conducting wire, to be led to the second wound portion 234 by the first wound portion 224 for convenience of it and carried out winding, Cable clamping interface 26 is equipped on the side wall of 223 and second main part 233 of the first main part, the cable clamping interface 26 is along first shell 22 extend towards the direction of second shell 23.

As shown in Figure 1 and Figure 2, there are two the iron core stator 40 is set altogether, planform is consistent, by magnetic material It is made, in the present embodiment, is stacked by several silicon steel sheets and is formed.The iron core stator 40 is equipped with the flat part of relative spacing 41 and it is connected to the arc portions 42 of two 41 ipsilateral penumbras of flat part.In the inner surface of the arc portion 42, i.e., towards arc portion 42 The protrusion 43 of a poly- magnetic is respectively provided on the surface at cambered surface center, is used to concentrating and enhancing magneticaction magnetism.It is described convex Portion 43 is in strip, is located at the centre of 40 arc portion 42 of iron core stator, is extended along the length direction of iron core stator 40, with The flat part 41 is respectively separated and parallel.In the present embodiment, the protrusion 43 is consistent with the length of the flat part 41, length Degree and thickness respectively with the first mounting hole 226 and the ruler of the second mounting hole 236 in the first shell 22 and second shell 23 It is very little to match.During installation, the iron core stator 40 is coated on outside 225 and second blocking portion 235 of the first blocking portion, protrusion 43 extend to through 226 and second mounting hole 236 of the first mounting hole in the accommodating cavity, correspond to the iron core 30。

As shown in Fig. 2, the group of magnets 60 includes the magnet of four strips.The magnet is arranged at intervals, respectively with The central shaft 10 is parallel, is used to interact with the protrusion 43 of the iron core stator 40 and iron core 30 is made to carry out slightly Degree rotates.For the iron core 30 is made to carry out reciprocating rotation, the polarity of each magnet of the group of magnets 60 sets such as Fig. 8.

Thereby, the small-sized high-frequency vibration device of the utility model is just formd：As shown in Figure 1, the group of magnets 60 is installed In in the magnet slot 32 of the iron core 30, the central shaft 10 is installed in the central shaft hole 31 of the iron core 30, The free end of central shaft 10 is extended to outside shell 20, the end face of the other end and iron core 30 through the through hole 21 of shell 20 Concordantly, the second spliced eye 11 is which is provided with, spring leaf 50 is housed in 11 internal difference of the second spliced eye.The first shell 22 and Two housings, 23 pairing connects, and is coated on outside iron core 30, and its one end closing, open at one end, blind end is internally provided with First spliced eye 24, the other end end of the spring leaf 50 are plugged in first spliced eye 24.The coil 70 is set around In the first shell 22 and second shell 23, the iron core stator 40, which is coated on first blocking portion 225 and second, to be stopped Outside portion 235, protrusion 43 extends to the inside of shell 20 by the first mounting hole 226 and the second mounting hole 236, with it is described Group of magnets 60 interacts.

In use, when 70 no power of coil, as shown in figure 8, the iron core 30 remains static, the iron core The protrusion 43 of stator 40 corresponds to the position between the magnet of group of magnets 60, not face magnet.In the present embodiment, as shown in figure 9, When accessing positive and negative square wave power to coil 70, coil 70 is powered and generates magnetic field, according to Ampere's law (screw law), In the range of positive wave, for the magnetism of two protrusions 43 of two iron core stators 40 on the contrary, one end forms N poles, one end forms S poles, this When due to magnet, identical charges repel each other that there is a natural attraction between the sexes, as shown in figure 9, the protrusion 43 of S poles will attract N poles magnet near it, N poles it is convex Portion 43 attracts the S poles magnet near it, so that iron core 30 rotates, clockwise as shown in Figure 9 rotates；And When in the range of negative wave, as shown in figure 9, its operation principle is similar, since the current direction on coil 70 is reversed, thus protrusion 43 Magnetic to invert, so that it is ostracised by current magnet, the magnet of opposite polarity is attracted, so that iron core 30 rotate backward, and as shown in Figure 9 rotates counterclockwise.When being persistently passed through positive and negative square wave to coil 70, iron core 30 will The reciprocating rotation between N poles magnet and S poles magnet.The reciprocating rotation of iron core 30 drives 10 reciprocating rotation of central shaft, It is moved so as to outwards export band animal body, such as head toothbrushes is driven to generate vibration.In another embodiment, when the group of magnets When 70 set-up mode is as shown in Figure 10, when accessing positive and negative square wave power to coil 70, coil 70 is powered and generates magnetic field, According to Ampere's law (screw law), in the range of positive wave, the magnetism of two protrusions 43 of two iron core stators 40 is identical, Such as it is all N poles, due to magnet, identical charges repel each other that there is a natural attraction between the sexes at this time, and as shown in Figure 10, S poles magnet will be attracted by protrusion 43, so as to So that iron core 30 rotates, clockwise as shown in Figure 10 rotates；And when in the range of negative wave, as shown in Figure 10, Operation principle is similar, and since the current direction on coil 70 is reversed, thus the magnetic of protrusion 43 will invert, so that current Magnet repels, and N poles magnet is attracted, so that iron core 30 rotates backward, as shown in Figure 10 rotates counterclockwise.When holding Continue when being passed through positive and negative square wave to coil 70, iron core 30 will between N poles magnet and S poles magnet reciprocating rotation.Iron core turns The reciprocating rotation of son 30 drives 10 reciprocating rotation of central shaft, is moved so as to outwards export band animal body, such as driven Head toothbrushes generate vibration.

In the present embodiment, the angle of 30 reciprocating rotation of iron core is not more than 15 degree.Since iron core 30 rotates Angle is small, therefore it can generate high-frequency vibration, and can guarantee that the vibration of generation is stablized.The small-sized high-frequency vibration dress of the utility model Put simple in structure, easy to assembly, build is compact, has very strong practicability, preferably widelys popularize.

Although being disclosed by above example to the utility model, the scope of the utility model is not limited to In this, under conditions of conceiving without departing from the utility model, more than each component can use technical field personnel understand it is similar Or equivalent element is replaced.

Claims (10)

1. a kind of small-sized high-frequency vibration device, shell (20), the iron connected including central shaft (10), group of magnets (60), pairing Core rotor (30), coil (70), which is characterized in that the group of magnets (60) is arranged on the iron core (30), the shell (20) it is coated on the iron core (30) outside, the coil (70) is set around on the shell (20), in the shell (20) Iron core stator (40) is equipped with, the central shaft (10) is set in the iron core (30), and can be with the iron core (30) rotate synchronously, one end of the central shaft (10) extend out to the shell (20) outside as free end, and the other end is inserted Spring leaf (50) is connected to, the first spliced eye (24), first spliced eye (24) and institute are internally provided in the shell (20) State that the end interval of central shaft (10) is opposite, one end of the spring leaf (50) is connected with the central shaft (10), the other end It is plugged in first spliced eye (24).

2. small-sized high-frequency vibration device as described in claim 1, which is characterized in that the iron core (30) is equipped with along its length The central shaft hole (31) of direction extension is spent, the magnet slot (32) of parallel interval is equipped on the outer wall of the iron core (30), The magnet slot (32) is set along the length direction of iron core (30), and the central shaft (10) is set in the central shaft hole (31) in, the group of magnets (60) is arranged in the magnet slot (32).

3. small-sized high-frequency vibration device as described in claim 1, which is characterized in that the shell (20) includes pairing connection First shell (22) and second shell (23) are combined to form accommodating cavity between the first shell (22) and second shell (23), Its one end is closed, and the other end is equipped with the through hole (21) for interting the central shaft (10), in the blind end of the shell (20) Portion is equipped with first spliced eye (24), and the iron core (30) is arranged in the accommodating cavity, and the one of the central shaft (10) End extends to the shell (20) outside through the through hole (21), is equipped on the end face of the other end of the central shaft (10) Second spliced eye (11), one end of the spring leaf (50) are plugged in second spliced eye (11), and the other end is plugged in institute It states in the first spliced eye (24).

4. small-sized high-frequency vibration device as claimed in claim 3, which is characterized in that be equipped on the inner wall of the shell (20) Cricoid bearing groove (25), is equipped with rolling bearing (80) in the bearing groove (25), and the rolling bearing (80) is sheathed on institute It states on central shaft (10).

5. small-sized high-frequency vibration device as claimed in claim 4, which is characterized in that the first shell (22) include one into The first main part (223), the first wound portion (224) and the first blocking portion (225) of type, the second shell (23) include second Main part (233), the second wound portion (234) and the second blocking portion (235), first main part (223) and the second main part (233) pairing connect, between form the accommodating cavity, between first blocking portion (225) and first main part (223) Every setting, first wound portion (224) is connected between first blocking portion (225) and the first main part (223), described Second blocking portion (235) and second main part (233) are arranged at intervals, and second wound portion (234) is connected to described the Between two blocking portions (235) and the second main part (233), the coil (70) is set around first wound portion (224) and In two wound portions (234), and positioned at first main part (223) and the first blocking portion (225), the second main part (233) and Between second blocking portion (235).

6. small-sized high-frequency vibration device as claimed in claim 5, which is characterized in that be equipped with and pass through in the first shell (22) The first mounting hole (226) of logical first main part (223), the first wound portion (224) and the first blocking portion (225), in institute It states second shell (23) and is equipped with perforation second main part (233), the second wound portion (234) and the second blocking portion (235) The second mounting hole (236), when the first shell (22) and during second shell (23) pairing, first mounting hole (226) It is opposite with second mounting hole (236).

7. small-sized high-frequency vibration device as claimed in claim 6, which is characterized in that in the court of first main part (223) The first half bore (221) is equipped with to the position of the second main part (233), is equipped with and first half bore in second main body (221) opposite the second half bore (231) in position, first half bore (221) and the second half bore (231) are combined to form described first Spliced eye (24).

8. small-sized high-frequency vibration device as claimed in claim 7, which is characterized in that first half bore (221) is included in expansion First flaring area (2211) of mouth shape and the first slot area (2212) to match with the spring leaf (50) thickness, described second Half bore (231) includes being flared area (2311) and the second slot to match with the spring leaf (50) thickness in the second of flared Area (2312), when the first shell (22) and during second shell (23) pairing, first flaring area (2211) and described the Two flaring area (2311) pairings, the first slot area (2212) and the second slot area (2312) relatively, the spring leaf (50) marginal portion of end is plugged in the first slot area (2212) and the second slot area (2312).

9. small-sized high-frequency vibration device as claimed in claim 6, which is characterized in that in the court of first main part (223) The first positioning region (222) are equipped with to the surface of the second main part (233), in the direction first of second main part (233) The surface of main part (223) is equipped with the second positioning region (232) for matching with first positioning region (222), and described first Together with positioning region (222) can be embedded with the second positioning region (232).

10. small-sized high-frequency vibration device as claimed in claim 6, which is characterized in that in the back of the body of first main part (223) A side surface from the second main part (233) is equipped with the first wire casing (227) of cabling, in second main part (233) The second wire casing (237) of cabling, first wire casing (227) and the are equipped with away from a side surface of the first main part (223) Two wire casings (237) extend along the length direction of first shell (22), and its one end is respectively facing the coil (70), the other end point Not towards the end of the shell (20).