CN208337381U - Ultrasonic vibration motor - Google Patents

Ultrasonic vibration motor Download PDF

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Publication number
CN208337381U
CN208337381U CN201820238896.0U CN201820238896U CN208337381U CN 208337381 U CN208337381 U CN 208337381U CN 201820238896 U CN201820238896 U CN 201820238896U CN 208337381 U CN208337381 U CN 208337381U
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stator
stator core
core
rotor
ultrasonic vibration
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CN201820238896.0U
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Chinese (zh)
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翁孟坤
鲁国强
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Anhui Wan Da Motor Technology Co Ltd
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Anhui Wan Da Motor Technology Co Ltd
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Abstract

The utility model discloses a kind of ultrasonic vibration motors, comprising: shell, the stator being arranged in the shell, the rotor connecting with the stator and the damper assembly that the stator wherein one end is arranged in, the stator are composed of stator module;The stator core that stator module includes: stator coil skeleton, is arranged on the stator coil skeleton;It is winding slot in the middle part of the stator coil skeleton, coil is wound around on the winding slot;The winding slot two sides are symmetrically arranged with stator core mounting plate, the winding slot and the stator core mounting plate are equipped with through-hole, and the utility model solves the problems, such as that the existing ultrasonic vibration motor of the prior art cannot accomplish miniaturization while guaranteeing that high power density requires.

Description

Ultrasonic vibration motor
Technical field
The utility model relates to ultrasonic vibration motor fields, in particular to a kind of to meet what miniaturization high power density required Ultrasonic vibration motor.
Background technique
With the progress of the development science and technology of society, people's lives are also more and more comfortable, and electric toothbrush has had in recent years The trend of traditional toothbrush is substituted, and acoustic toothbrush is exactly one kind of electric toothbrush, refers to the vibration frequency and sound wave of brush or brush head Frequency is consistent or close, therefore also referred to as sound vibration toothbrush, is quickly moved using the bristle close to acoustic vibration frequency, from And reach stronger cleaning effect.
And the bristle vibration frequency and frequency of sound wave for driving the motor of toothbrush bristle or brushhead vibration to generate by its vibration It is consistent or close, therefore it is called ultrasonic vibration motor.
Ultrasonic vibration motor adds device of excitation as vibration source by electromagnetism, and calutron forms magnetic field, starting of oscillation after energization Device is suspended among magnetic field, forms dither frequencies, then be transmitted on toothbrush by transmission shaft.
And the no generation mechanical friction inside motor of this vibration principle, stability is stronger, and output power is larger, generates Frequency of sound wave it is high.
And existing ultrasonic vibration motor is mainly used in personal nursing, electric toothbrush etc., but its stator coil is edge Axial direction coiling, the volume mass production low efficiency of motor be not able to satisfy ultrasonic vibration motor miniaturization high power density It is required that being unfavorable for for product being made into miniaturization product.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality It is to provide a kind of ultrasonic vibration motor of miniaturization with novel main purpose, it is intended to it is existing super to solve the prior art The problem of acoustic vibration motor cannot accomplish miniaturization while guaranteeing that high power density requires.
To achieve the above object, the utility model provides a kind of ultrasonic vibration motor, comprising: shell, setting are inside the shell Stator, the rotor that is connect with stator and the damper assembly that stator wherein one end is set, stator is composed of stator module;
Wherein, stator module include: stator coil skeleton, the stator core that is arranged on stator coil skeleton;Stator line It is winding slot in the middle part of ring framework, coil is wound around on winding slot;
Winding slot is column structure, is symmetrically arranged with stator core mounting plate, winding slot and stator iron in column structure two sides Core mounting plate is in I-shaped setting, and winding slot and stator core mounting plate are equipped with through-hole;
Stator core is at least arranged two, is symmetricly set on stator core mounting plate, fixes with stator core mounting plate It connects, pawl pole is additionally provided on stator core, stator core is equipped with connection structure far from stator coil skeleton one end, and stator module is logical It crosses connection structure composition stator or is connect with damper assembly.
Pawl pole is vertically set on the stator core in one of the embodiments, and stator core mounting plate, which is equipped with, to be connected Binding structure, stator core mounting plate are assembled by connection structure and stator core;
Connection structure is connection convex block and connecting groove, connects convex block and connecting groove respectively sets two, connect convex block and company Groove is connect using the central axes of stator core as line of symmetry, interval is symmetrical arranged.
Rotor includes the rotor core being arranged in through-hole, is fixedly connected with rotor core in one of the embodiments, Armature spindle and the mounting groove that is uniformly arranged of surrounding rotor iron core;
Mounting groove is set as four in one of the embodiments, mounting groove using the central axes of rotor core as line of symmetry, Interval is symmetricly set on rotor core, and magnet is fixed on rotor core by mounting groove, and is arranged for homopolarity;Armature spindle with The symmetrical centre of rotor core is coaxially disposed.
Stator module is set as one or more in one of the embodiments, is in axial direction assembled.
Damper assembly includes the first resistance of the first dampening bracket, the second dampening bracket and connection in one of the embodiments, The damping fin of Buddhist nun's bracket and the second dampening bracket;
Wherein, the first dampening bracket is equipped with connection structure far from second dampening bracket one end, and connection structure is connection convex block And connecting groove, it connects convex block and connecting groove respectively sets two, connecting convex block and connecting groove with the central axes of stator core is Line of symmetry, interval are symmetrical arranged, are fixedly connected by connection structure with stator module.
Damping fin is at least arranged three in one of the embodiments, and the rotational angle of rotor is limited by damping fin.
The second dampening bracket is equipped with rotor shaft mounting hole in one of the embodiments, and armature spindle is pacified by armature spindle The limit of dress hole is connect with damper assembly.
Shell includes: casing and the rear cover that casing one end is arranged in one of the embodiments,;
Wherein, casing is semi-closed structure, and wherein one end is equipped with opening, and the other end is equipped with bearing limit hole stator and casing It is fixedly connected, has rear cover in opening fixing assembling, covered after and be again provided with bearing limit hole.
Its assembly method is as follows in one of the embodiments:
S1. two stator cores are fixed on stator coil skeleton both ends composition stator module;
S2. mounted stator module is assembled into stator by connection structure along axis;
S3. rotor is assembled in the through-hole of stator;
S4. damper assembly is being installed by connection structure close to armature spindle one end, armature spindle is being fixed in bearing;
S5. component parts assembled in S4 is assembled in casing, then rear cover is fixed on casing.
It has the beneficial effect that:
The utility model is inserted into the inner hole of stator coil skeleton respectively from arranged on left and right sides by stator core and forms stator Component, N group stator module form entire stator along axial series winding, by stator coil rotating around the N in stator (N is more than or equal to 1) On a coil rack.Rotor is made of rotor core and four magnet, and rotor core opens four slots, magnet along the circumferential direction homopolarity (all pole N or all pole S) is arranged to be fixed in four mounting groove slots of rotor core, forms entire rotor.Damping group Part is made of group Buddhist nun's bracket and damping fin, and damping fin is located at the centre of two dampening brackets.It is small-sized to realize ultrasonic vibration motor Change the requirement of high power density.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the decomposition diagram of the utility model.
Fig. 2 is the stator coil skeleton structure schematic diagram of the utility model.
Fig. 3 is the stator member structure schematic diagram of the utility model.
Fig. 4 is the stator core construction schematic diagram of the utility model.
Fig. 5 is the stator module combination diagram of the utility model.
Fig. 6 is the rotor structure schematic diagram of the utility model.
Fig. 7 is the damper assembly structural schematic diagram of the utility model.
Fig. 8 is the shell mechanism schematic diagram of the utility model.
Fig. 9 is the operation principle schematic diagram of the utility model.
Figure 10 is the assembly complete structure schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.
Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
The description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.
In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise Clear specific restriction.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral;It can be mechanical connection, it can also To be electrical connection;It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
Referring to Fig.1, a kind of ultrasonic vibration motor, comprising: shell 40, the stator 10 being arranged in shell 40 and stator 10 The rotor 20 of connection and the damper assembly 30 that the wherein one end of stator 10 is arranged in, stator 10 are composed of stator module 1;
As shown in Figures 2 and 3, stator module 1 includes: stator coil skeleton 11, is arranged on stator coil skeleton 11 Stator core 12;It is winding slot 13 in the middle part of stator coil skeleton 11, coil is wound around on winding slot 13;
Winding slot 13 is column structure, is symmetrically arranged with stator core mounting plate 111,13 He of winding slot in column structure two sides Stator core mounting plate 111 is in I-shaped setting, and winding slot 13 and stator core mounting plate 111 are equipped with through-hole 14;
Referring to FIG. 1, FIG. 2 and FIG. 4, stator core 12 is at least arranged two, is symmetricly set on stator core mounting plate 111 On, it is fixedly connected with stator core mounting plate 111, pawl pole 121 is additionally provided on stator core 12, stator core 12 is far from stator line 11 one end of ring framework be equipped with connection structure 122, stator module 1 by connection structure 122 form stator 10 or with damper assembly 30 Connection.
As shown in Figure 5 it is further preferred that stator module 2 is set as one or more, in axial direction assemble and At.Stator 10 is assembled by modular stator module 1, optimizes the structure of stator 10, makes the occupied space of stator 10 It is smaller, and can be easily according to the quantity of the demand adjustment stator module 1 used so as to adjust entire stator 10 Size.
As shown in Figure 4 it is further preferred that pawl pole 121 is vertically set on stator core 12, stator core mounting plate 111 Equipped with connection structure 122, stator core mounting plate 111 is assembled by connection structure 12 and stator core 12;
Connection structure 122 is connection convex block 1221 and connecting groove 1222, connects convex block 1221 and connecting groove 1222 is each If two, connecting convex block 1221 and connecting groove 1222 using the central axes of stator core 12 as line of symmetry, interval is symmetrical arranged.
By setting connection convex block 1221 and connecting groove 1222, make to easily reach between adjacent stator core 12 Limit and fixed purpose, assembly are simple.
Referring to Fig.1, preferably, rotor 20 includes the rotor core 12 being arranged in through-hole 14 and rotor iron by Fig. 3 and Fig. 6 The mounting groove 23 that the armature spindle 22 and surrounding rotor iron core 21 that core 12 is fixedly connected are uniformly arranged;
It is further preferred that mounting groove 23 is set as four, mounting groove 23 using the central axes of rotor core 21 as line of symmetry, Interval is symmetricly set on rotor core 21, and magnet 24 is fixed on rotor core 21 by mounting groove 23, and is arranged for homopolarity; The symmetrical centre of armature spindle 22 and rotor core 21 is coaxially disposed.
Mounting groove is set, and by the installation to mounting groove 23 of magnet 24, magnet 24 is reduced by the optimization to structure and is existed The volume occupied in entire motor, keeps motor volume smaller more compact.
Preferably referring to Fig. 7, damper assembly 30 includes the first resistance of the first dampening bracket 31, the second dampening bracket 32 and connection The damping fin 33 of Buddhist nun's bracket 31 and the second dampening bracket 32;
As shown in connection with fig. 4, the first dampening bracket 31 is equipped with connection structure 122 far from 32 one end of the second dampening bracket to Fig. 7, even Binding structure 122 is connection convex block 1221 and connecting groove 1222, connects convex block 1221 and connecting groove 1222 respectively sets two, connection Using the central axes of stator core 12 as line of symmetry, interval is symmetrical arranged for convex block 1221 and connecting groove 1222, passes through connection structure 122 are fixedly connected with stator module 1.
Fig. 7 combination Fig. 1 passes through damping fin 33 and limits rotor 20 it is further preferred that damping fin 33 is at least arranged three Rotational angle.
It is further preferred that the second dampening bracket 32 is equipped with rotor shaft mounting hole 34, armature spindle 22 is pacified by armature spindle It fills hole 34 to limit, be connect by rotor shaft mounting hole 34 with damper assembly 30.
Same connection structure 122 is set with stator core 12, facilitates connection.
As shown in Figure 8 preferably, shell 40 includes: casing 41 and the rear cover 42 that 41 one end of casing is arranged in;
Wherein, casing 41 is semi-closed structure, and wherein one end is equipped with opening (not shown), and the other end is equipped with bearing limit hole 43, stator is fixedly connected with casing 41, has rear cover 42 in opening fixing assembling, bearing limit hole is again provided on rear cover 42 43, casing 41 is connect by bearing limit hole 43 with bearing 35.
Referring to Fig.1~Fig. 8, Figure 10, assembly method are as follows:
S1. two stator cores 12 are fixed on 11 both ends of stator coil skeleton composition stator module 1;
S2. mounted stator module 1 is assembled into stator by connection structure 122 along axis;
S3. rotor 20 is assembled in the through-hole 14 of stator 10;
S4. damper assembly 30 is being installed by connection structure 122 close to 22 one end of armature spindle, armature spindle 22 is fixed on axis It holds in 35;
S5. component parts assembled in S4 is assembled in casing 41, then rear cover 42 is fixed on casing 41.
Electric electro-mechanical principle is described further in conjunction with Fig. 9:
When the coil on stator 20 is powered, the magnetic field that coil generates magnetizes stator core 12a and stator core 12b, The pawl pole of stator core 12a is all the pole N (or the pole S) after magnetization, and the pawl pole of stator core 12b is the pole S (or the pole N) entirely, due to The pawl pole of stator core 12a and claw-pole type stator iron core 12b are that arranged opposite group enters in the same coil rack, thus is just formed The pawl pole of stator core 12 along the circumferential direction N, S staggered arrangement mode.
Because the upper magnet 24 of rotor 20 is along the circumferential direction same polarity arrangement, according to the original of same-sex attraction opposite sex repulsion Reason, when electrical power, rotor 20 as shown in Figure 7 rotates an angle, the stator when electrical current is reversed in the counterclockwise direction The pole reversal of 10 pawl pole, rotor 20 reversely turn over an angle along clockwise direction.When forward and reverse logical with certain frequency Rotor 20 will be with certain forward and reverse swing of frequency when electric.
When rotor 20 is swung due to the damping of damping fin 33, the swinging distance of rotor 20 will be subject to certain restrictions, Swinging distance small vibration amount is just small when damping big, damps the big vibratory output of hour swinging distance with regard to big.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (9)

1. a kind of ultrasonic vibration motor, comprising: shell, the stator being arranged in the shell, the rotor being connect with the stator With the damper assembly that the stator wherein one end is arranged in, the stator is composed of stator module;
Wherein, stator module include: stator coil skeleton, the stator core that is arranged on the stator coil skeleton;It is described fixed It is winding slot in the middle part of sub-line ring framework, coil is wound around on the winding slot;
The winding slot is column structure, is symmetrically arranged with stator core mounting plate, the winding slot in the column structure two sides It is in I-shaped setting with the stator core mounting plate, the winding slot and the stator core mounting plate are equipped with through-hole;
The stator core is at least arranged two, is symmetricly set on the stator core mounting plate, pacifies with the stator core Loading board is fixedly connected, and pawl pole is additionally provided on the stator core, and the stator core is set far from stator coil skeleton one end There is connection structure, the stator module forms stator by connection structure or connect with the damper assembly.
2. ultrasonic vibration motor according to claim 1, which is characterized in that the pawl pole is vertically set on the stator iron On core, the stator core mounting plate is equipped with the connection structure, the stator core mounting plate by the connection structure and The stator core assembly;
The connection structure is connection convex block and connecting groove, and the connection convex block and the connecting groove respectively set two, described Convex block and the connecting groove are connected using the central axes of the stator core as line of symmetry, interval is symmetrical arranged.
3. ultrasonic vibration motor according to claim 1 or 2, which is characterized in that the rotor includes that setting is described logical Rotor core in hole, the armature spindle being fixedly connected with the rotor core, the installation being uniformly arranged around the rotor core Slot and the magnet being arranged in the mounting groove.
4. ultrasonic vibration motor according to claim 3, which is characterized in that the mounting groove is set as four, the peace Tankage is using the central axes of the rotor core as line of symmetry, and interval is symmetricly set on the rotor core, and the magnet passes through The mounting groove is fixed on the rotor core, and is arranged for homopolarity;The armature spindle and the rotor core it is symmetrical in Heart coaxial arrangement.
5. ultrasonic vibration motor according to claim 1 or 2, which is characterized in that the stator module be set as one or More than one, is in axial direction assembled.
6. ultrasonic vibration motor according to claim 3, which is characterized in that the damper assembly includes the first damping branch The damping fin of frame, the second dampening bracket and connection first dampening bracket and second dampening bracket;
Wherein, the first dampening bracket is equipped with the connection structure far from second dampening bracket one end, and the connection structure is Connect convex block and connecting groove, the connection convex block and the connecting groove respectively set two, the connection convex block and the connection Using the central axes of the stator core as line of symmetry, interval is symmetrical arranged groove, passes through the connection structure and the stator pack Part is fixedly connected.
7. ultrasonic vibration motor according to claim 6, which is characterized in that the damping fin is at least arranged three, passes through The rotational angle of the damping fin limitation rotor.
8. ultrasonic vibration motor according to claim 6, which is characterized in that second dampening bracket is equipped with armature spindle Mounting hole, the armature spindle are limited by the rotor shaft mounting hole, pass through the rotor shaft mounting hole and the damper assembly Connection.
9. ultrasonic vibration motor according to claim 1, which is characterized in that the shell includes: casing and is arranged in institute State the rear cover of casing one end;
Wherein, the casing is semi-closed structure, and wherein one end is equipped with opening, and the other end is equipped with bearing limit hole, the stator It is fixedly connected with the casing, has rear cover in the opening fixing assembling, covered after described and be again provided with bearing limit hole.
CN201820238896.0U 2018-02-10 2018-02-10 Ultrasonic vibration motor Active CN208337381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820238896.0U CN208337381U (en) 2018-02-10 2018-02-10 Ultrasonic vibration motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820238896.0U CN208337381U (en) 2018-02-10 2018-02-10 Ultrasonic vibration motor

Publications (1)

Publication Number Publication Date
CN208337381U true CN208337381U (en) 2019-01-04

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Application Number Title Priority Date Filing Date
CN201820238896.0U Active CN208337381U (en) 2018-02-10 2018-02-10 Ultrasonic vibration motor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108173404A (en) * 2018-02-10 2018-06-15 安徽万至达电机科技有限公司 Ultrasonic vibration motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108173404A (en) * 2018-02-10 2018-06-15 安徽万至达电机科技有限公司 Ultrasonic vibration motor
CN108173404B (en) * 2018-02-10 2023-08-11 安徽万至达电机科技有限公司 Ultrasonic vibration motor

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