CN207603421U

CN207603421U - Vibrating motor

Info

Publication number: CN207603421U
Application number: CN201721743431.2U
Authority: CN
Inventors: 李金志
Original assignee: Dongguan Lebond Electronic Technology Co Ltd
Current assignee: Dongguan Lebond Electronic Technology Co Ltd
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2018-07-10
Anticipated expiration: 2027-12-12

Abstract

The utility model is related to a kind of vibrating motor, including：Shell, the coil block being installed in shell, the vibration component worn out from shell, the end seat for being installed on outer casing end and being connect with vibration component.Coil block includes inner casing, four actuating arms protruded out from the inner wall of inner casing, the coil being around on actuating arm, perform coil holder and the lower gear coil holder for being respectively arranged in inner casing both ends.Vibration component includes output shaft, four magnet steel, upper bearing (metal) and the lower bearing being installed on output shaft, the torsional spring being installed on the end of output shaft, and magnet steel is oppositely arranged one by one with actuating arm, and torsional spring is connect with end seat.The vibrating motor, by that can realize Fast Installation between shell, coil block, vibration component and end seat, assembling is convenient, and simple in structure and performance is stablized.

Description

Vibrating motor

Technical field

The utility model is related to technical field of motors, more particularly to a kind of vibrating motor.

Background technology

Electric toothbrush is the high-speed motion using micromachine, drives head toothbrushes or so high speed swinging, generates mechanical oscillation, Its vibration frequency is consistent or close with frequency of sound wave, to reach superpower cleaning effect.Due to electric toothbrush rely primarily on it is miniature One of an important factor for cleaning is realized in motor driving, therefore the performance of micromachine is decision electric motor performance.It is but existing Micromachine structure it is complex, performance is unstable, and being susceptible to failure causes electric toothbrush to be unable to normal use, simultaneously Assembling is more relatively complicated, leads to the assembling low production efficiency of motor.

Utility model content

Based on this, it is necessary to for electric toothbrush micromachine there are the problem of, provide it is a kind of it is simple in structure, performance is steady Determine, convenient for the vibrating motor of assembling.

A kind of vibrating motor, including：Shell, is worn out the coil block being installed in the shell from the shell Vibration component, the end seat that is installed on the outer casing end and is connect with the vibration component；The coil block includes interior Shell, four actuating arms protruded out from the inner wall of the inner casing, the coil being around on the actuating arm, be respectively arranged in it is described Perform coil holder and the lower gear coil holder at inner casing both ends；The vibration component includes output shaft, four be installed on the output shaft Magnet steel, upper bearing (metal) and lower bearing, the torsional spring being installed on the end of the output shaft；The magnet steel and the actuating arm phase one by one To setting, the torsional spring is connect with the end seat.

Above-mentioned vibrating motor, including shell, the coil block being installed in shell, the vibration group worn out from shell Coil block is first packed into shell during installation by part, the end seat for being installed on outer casing end and being connect with vibration component, then shaking Dynamic component is arranged in enclosure, finally installs the assembling that upper end base completes entire vibrating motor, and assembling is quick.Due to coil It is around on actuating arm and the both ends of inner casing is separately installed with perform coil holder and lower gear coil holder, coil stabilization is not easy to loosen, so as to protect Magnetization property of the actuating arm under coil energization is demonstrate,proved, performance is stablized.In use, two groups of four magnet steel formation on output shaft is opposite Magnetic field, coil that electric current constantly commutates changes the magnetism of actuating arm, and output shaft is swung to the left and right in the magnetic drive of actuating arm, Gap during torsional spring compensation commutation ensures that oscillatory forces reach maximum, and simple in structure, delivery efficiency is high.

Fixed seat is installed in one of the embodiments, the fixed seat is connected in the end seat on the torsional spring On inner wall.

One end flap is installed in one of the embodiments, the end seat lid is supported with the fixed seat in the end seat It connects.

The output rod that the output shaft includes bearing rod, connect with the bearing rod in one of the embodiments, it is described Bearing rod is located in the shell portion, and the output rod stretches out in the housing exterior.

The upper bearing sleeve is in the junction of the output rod and the bearing rod in one of the embodiments,.

The lower bearing sleeve is on end of the bearing rod far from the output rod in one of the embodiments,.

The outer of the bearing rod is placed equipped with four holding grooves in one of the embodiments, and the holding groove accepts institute State magnet steel.

A position limit arm, the position limit arm and the lower axle are protruded out on the bearing rod in one of the embodiments, Hold abutting.

The T-shaped setting of the actuating arm in one of the embodiments,.

Casing cover, the casing cover to be located at the shell there are one installations on the shell in one of the embodiments, On end far from the end seat.

Description of the drawings

Fig. 1 is the schematic diagram of one preferred embodiment vibrating motor of the utility model；

Fig. 2 is the decomposition diagram of vibrating motor shown in Fig. 1；

Fig. 3 is the schematic diagram of vibration component in vibrating motor shown in Fig. 2；

Fig. 4 is the schematic diagram of inner casing in vibrating motor shown in Fig. 2

Fig. 5 is the schematic diagram of bearing rod in vibration component shown in Fig. 2；

Fig. 6 is the schematic diagram of another embodiment vibrating motor of the utility model；

Fig. 7 is the decomposition diagram of vibrating motor shown in Fig. 6；

Attached drawing marks explanation：

100- vibrating motors, 20- shells, 30- coil blocks, 31- inner casings, 32- actuating arms, 33- coils, 34- perform line Frame, 35- lower gear coil holders, 40- vibration components, 41- output shafts, 42- magnet steel, 43- upper bearing (metal)s, 44- lower bearings, 45- torsional springs, 46- Fixed seat, 411- bearing rods, 412- output rods, 413- holding grooves, 414- position limit arms, 50- end seats；

200- vibrating motors, 21- casing covers, 51- end seat lids.

Specific embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model Open the understanding more thorough and comprehensive of content.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.

Fig. 1 to Fig. 5 is please referred to, is the vibrating motor 100 of one preferred embodiment of the utility model, which wraps It includes shell 20, the coil block being installed in shell 20 30, the vibration component 40 worn out from shell 20, be installed on shell 20 The end seat 50 being connect on end and with vibration component 40, in use, in 100 head toothbrushes of vibrating motor, coil block 30 and power supply It connects.

Refer again to Fig. 2 and Fig. 4, the coil block 30 include inner casing 31, protruded out from the inner wall of inner casing 31 four Actuating arm 32, the coil 33 being around on actuating arm 32, perform coil holder 34 and the lower gear coil holder 35 for being respectively arranged in 31 both ends of inner casing. Wherein four 32 equidistant intervals of actuating arm are located on 31 inner wall of inner casing and are set in type, on the inner wall of perform coil holder 34 and shell 20 Abutting block abut, the abutting block in lower gear coil holder 35 and end seat 50 abuts.

Fig. 2 and Fig. 5 are referred again to, the vibration component 40 includes output shaft 41, four magnet steel being installed on output shaft 41 42nd, upper bearing (metal) 43 and lower bearing 44, the torsional spring 45 being installed on the end of output shaft 41, wherein output shaft 41 is from inner casing 31 The heart passes through, and magnet steel 42 is oppositely arranged one by one with actuating arm 32, and torsional spring 45 is connect with end seat 50.Wherein set in shell 20 there are one with The bearing position that upper bearing (metal) 43 is adapted to is set in end seat 50 there are one bearing position be adapted to lower bearing 44, is equipped with and is consolidated on torsional spring 45 Reservation 46, fixed seat 46 are connected on the inner wall of end seat 50.Further, output shaft 41 includes bearing rod 411 and bearing rod The output rod 412 of 411 connections, bearing rod 411 are located inside shell 20, and output rod 412 is stretched out in outside shell 20.Upper bearing (metal) 43 It is placed on output rod 412 and on the end of bearing rod 411, lower bearing 44 is placed on end of the bearing rod 411 far from output rod 412. Wherein, the outer of bearing rod 411 is placed equipped with four holding grooves 413, and holding groove 413 accepts magnet steel 42, is protruded out on bearing rod 411 One position limit arm 414, position limit arm 414 are abutted with lower bearing 44.Output shaft 41 is oriented to by the undertaking of upper bearing (metal) 43, lower bearing 44 Under, when magnet steel 42 is by magneticaction, output shaft 41 can rotate under the action of upper bearing (metal) 43 and lower bearing 44.

Refer again to Fig. 6 and Fig. 7, be another embodiment of the utility model vibrating motor 200, the vibrating motor 200 with it is upper The structure of the vibrating motor 100 of one embodiment is similar, and coil block 30 and vibration component 40 are identical, and shell 20 and end seat 50 are slightly It is different.Casing cover 21, casing cover 21 to be located at shell 20 far from end seat 50 there are one installations on shell 20 wherein in the present embodiment End on, casing cover 21 is installed on convenient for coil block 30 and vibration component 40 in shell 20.One end is installed in end seat 50 Flap 51, end seat lid 51 are abutted with fixed seat 46, and end seat lid 51 also allows for convenient for the fixed seat 46 on torsional spring 45 is fixed End seat lid 51 is opened the position of torsional spring 45 is adjusted.

Above-mentioned vibrating motor 100 or vibrating motor 200, including shell 20, the coil block being installed in shell 20 30, from The vibration component 40 worn out in shell 20, the end seat 50 for being installed on 20 end of shell and being connect with vibration component 40, installation When first coil block 30 is packed into shell 20, then vibration component 40 is arranged in the inside of shell 20, upper end base is finally installed 50 complete the assembling of entire vibrating motor 100 or vibrating motor 200, and assembling is quick.Be around on actuating arm 32 due to coil 33 and The both ends of inner casing 31 are separately installed with perform coil holder 34 and lower gear coil holder 35, and the stabilization of coil 33 is not easy to loosen, so as to ensure to drive Magnetization property of the arm 32 under the energization of coil 33, performance are stablized.In use, four magnet steel 42 on output shaft 41 form two groups of phases Anti- magnetic field, the coil 33 that electric current constantly commutates change the magnetism of actuating arm 32, and output shaft 41 is in the magnetic drive of actuating arm 32 It swings to the left and right, the gap when compensation of torsional spring 45 commutates, ensures that oscillatory forces reach maximum, simple in structure, delivery efficiency is high.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

1. a kind of vibrating motor, which is characterized in that including：Shell, the coil block being installed in the shell, from the shell The vibration component inside worn out, the end seat for being installed on the outer casing end and being connect with the vibration component；The coil group Part include inner casing, protruded out from the inner wall of the inner casing four actuating arms, be around on the actuating arm coil, pacify respectively Perform coil holder and lower gear coil holder loaded on the inner casing both ends；The vibration component includes output shaft, is installed on the output shaft On four magnet steel, upper bearing (metal) and lower bearing, the torsional spring that is installed on the end of the output shaft；The magnet steel and the driving Arm is oppositely arranged one by one, and the torsional spring is connect with the end seat.

2. vibrating motor according to claim 1, which is characterized in that fixed seat, the fixation are equipped on the torsional spring Seat is connected on the inner wall of the end seat.

3. vibrating motor according to claim 2, which is characterized in that one end flap, the end are equipped in the end seat Flap is abutted with the fixed seat.

4. vibrating motor according to claim 1, which is characterized in that the output shaft includes bearing rod and the undertaking The output rod of bar connection, the bearing rod are located in the shell portion, and the output rod stretches out in the housing exterior.

5. vibrating motor according to claim 4, which is characterized in that the upper bearing sleeve is held in the output rod with described The junction of extension bar.

6. vibrating motor according to claim 4, which is characterized in that the lower bearing sleeve is in the bearing rod far from described On the end of output rod.

7. vibrating motor according to claim 6, which is characterized in that the outer of the bearing rod is placed equipped with four undertakings Slot, the holding groove accept the magnet steel.

8. the vibrating motor according to any one of claim 5~7, which is characterized in that protrude out one on the bearing rod A position limit arm, the position limit arm are abutted with the lower bearing.

9. vibrating motor according to claim 1, which is characterized in that the T-shaped setting of actuating arm.

10. vibrating motor according to claim 1, which is characterized in that there are one casing covers for installation on the shell, described Casing cover is located on end of the shell far from the end seat.