CN206195534U

CN206195534U - Vibration motor

Info

Publication number: CN206195534U
Application number: CN201620754448.7U
Authority: CN
Inventors: 许洪富; 张涛; 黄东; 吴娜
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2016-07-18
Filing date: 2016-07-18
Publication date: 2017-05-24
Anticipated expiration: 2026-07-18

Abstract

The utility model relates to a vibration motor, including casing, oscillator, stator and support the elastic component of oscillator, the elastic component includes first fixed part, second fixed part and connects first fixed part and the connecting portion of second fixed part, the balancing weight includes along the second side of first side that the oscillator direction of vibration extends and the first side of connection, the balancing weight is provided with from first side to the convex bulge of casing lateral wall direction, first fixed part subsides are established on the first side, the one end butt that connecting portion were kept away from to first fixed part is in on the bulge, make the oscillator more firm with fixing of elastic component, increase the durable degree of elastic component, improve reliability of an item.

Description

Vibrating motor

【Technical field】

The utility model is related to a kind of vibrating motor.

【Background technology】

Vibrating motor is the part that a kind of generation principle of utilization electromagnetic force converts electrical energy into mechanical energy, and vibrating motor leads to Often it is arranged in portable mobile apparatus, to produce vibrational feedback, such as vibrational feedback of the vibration of mobile phone or game machine.

The vibrating motor of correlation technique generally includes fixed component and vibrating mass.Fixed component includes thering is receiving space Housing and the coil in housing.Vibrating mass is by an elastic component in the receiving space of housing.Vibrating mass bag Include magnet steel and the balancing weight for housing magnet steel.After coil indirect current, interacted with magnet steel and produce magnetic field force, due to line Circle is motionless, thus whole vibrating mass acted on by magnetic field force it is of reciprocating vibration under the support of elastic component.Correlation technique Vibrating motor in order to obtain stronger vibrational feedback effect, it is necessary to increase the weight of magnet steel and balancing weight.Thus oscillator vibration Load force increase, the durability degree of elastic component reduces, and causes the reliability of vibrating motor low.

Thus it is necessary a kind of vibrating motor with new construction of research.

【Utility model content】

The utility model is low for the elastic component durability degree for solving vibrating motor, product reliability difference problem, and provides one Plant new vibrating motor.

According to the above-mentioned technical problem that need to be solved, a kind of vibrating motor is devised, including be provided with the housing of receiving space, receive The elastic component of the oscillator with balancing weight, stator and the support oscillator that are dissolved in the receiving space, the housing includes The bottom wall of side wall and the fixation stator, the oscillator is along the direction vibration parallel to the bottom wall, the oscillator and stator A wherein side include coil, the opposing party include magnet steel, the coil and magnet steel just to interval setting, the elastic component include with The second fixed part and the company of the first fixed part of connection and the second fixed part that the first connected fixed part of balancing weight is connected with housing Socket part, the balancing weight includes the second side of the first side extended along oscillator vibration direction and connection first side, described Balancing weight is provided with the protuberance protruded to housing sidewall direction from first side, and first fixed part is sticked described first On side, first fixed part is connected on the protuberance away from one end of connecting portion.

Preferably, the balancing weight includes at least one accepting hole, and the magnet steel is contained in the accepting hole, the coil It is fixed on the bottom wall of housing.

Preferably, the elastic component has two, and the first fixed part of each elastic component is fixed on the first side of balancing weight Face, second fixed part is fixed in the housing sidewall away from the first fixed part side, and the connecting portion is around balancing weight Second side and with second side interval setting.

Preferably, between first fixed part and housing, between second fixed part and balancing weight it is respectively equipped with gear Piece.

Preferably, the catch includes being attached at the first catch of the first fixed part and is attached at the second of the second fixed part Catch.

Preferably, two U-shaped springs that the elastic component is oppositely arranged for opening direction.

Preferably, it is provided with bolster between the connecting portion and balancing weight.

Preferably, the second side is provided with to the receiving hole being recessed away from housing sidewall direction, and the bolster is at least In receiving hole described in partial insertion.

The balancing weight of the utility model vibrating motor is provided with protuberance, and the end abutment of elastic component is in the protuberance On, make oscillator more firm with the fixation of elastic component, increase the durability degree of elastic component, improve the reliability of product.

【Brief description of the drawings】

Fig. 1 is the three-dimensional exploded view of the utility model vibrating motor；

Fig. 2 is the part combination diagram of the utility model vibrating motor.

【Specific embodiment】

With reference to Fig. 1 to Fig. 2 and implementation method, the utility model is described in further detail.

As shown in Figure 1 to Figure 2, it is a kind of vibrating motor 100 that the utility model is provided, it includes housing 10 and is contained in Oscillator, stator and elastic component 60 in the housing 10.The housing 10 is provided with the bottom wall 12 of the fixation stator and hangs down Directly in the side wall 11 of bottom wall, the bottom wall 12 is string configuration.The oscillator is suspended in the shell by the elastic component 60 Vibrated in body 10 and along the long axis direction parallel to the bottom wall 12.A wherein side of the oscillator and stator includes coil 20, wherein the opposing party includes magnet steel 40, and the coil 20 and magnet steel 40 are just to interval setting.In the present embodiment, it is described fixed Son is coil 20, and it is fixed on the bottom wall 12 with housing 10.

The oscillator includes at least provided with a balancing weight for accepting hole 31 30, is configured at the accepting hole of the balancing weight 30 The pole piece 50 of magnet steel 40 and covering accepting hole 31 side in 31.The accepting hole 31 runs through along the direction of vibration perpendicular to oscillator The balancing weight 30 and positioned at the center of balancing weight 30.In the present embodiment, the quantity of accepting hole 31 and magnet steel 40 is respectively Two, in selectable other embodiment, or one or more, accepting hole 31 is not also limited with the shape of magnet steel 40 In this.Coil 20 is lived apart in the both sides up and down of magnet steel 40 with pole piece 50.The magnet steel 40 relative with coil 20 exposes accepting hole 31. Wherein, pole piece 50 plays magnetic conduction, is in the present embodiment magnetic conductor material.Certainly, the material of pole piece 50 is alternatively and matches somebody with somebody The identical material of pouring weight 30.Pole piece 50 covers the side of accepting hole 31, effectively prevents the magnetic leakage of magnet steel 40, hinders magnetic flux Omit, improve magnetic induction efficiency.

In other embodiments, the position of coil 20 and magnet steel 40 can be exchanged, and coil 20 is arranged on oscillator, now Balancing weight 30 can be not provided with accepting hole and use the form fixed coils 20 such as groove, and magnet steel 40 is fixed on housing as stator On 10 bottom wall 12, this is also equally possible.

The housing can be structure as a whole can also be for Split type structure, in the present embodiment, and the housing 10 is Split type structure, specifically include housing 101 and with 101 groups of cover plates 102 for connecing of the housing, the bottom wall 12 is arranged on the cover plate On 102, side wall 11 is arranged on the housing 101.Side wall 11 is including the first side wall 111 parallel to oscillator vibration direction and hangs down Directly in the second sidewall 112 in oscillator vibration direction.The string configuration that the balancing weight 30 is generally adapted with housing 10, bag Include the first side 301 and with second sidewall 112 relative second side that along direction of vibration extend relative with the first side wall 111 302。

The elastic component 60 including the first fixed part 61 being connected with the oscillator and the connection of the housing 10 second is consolidated Determine the connecting portion 63 of portion 62 and the connection fixed part 62 of the first fixed part 61 and second.In the present embodiment, elastic component 60 Two are had, is U-shaped spring, the opening direction of two U-shaped springs is that the overbending direction of connecting portion 63 is oppositely arranged, the connecting portion 63 around balancing weights 30 second sides 302 and between second side 302 every setting.The connecting portion 63 is that circular arc is excessive.

The balancing weight 30 is provided with the protuberance 32 protruded to the direction of housing the first side wall 111 from first side 301, institute The first fixed part 61 for stating elastic component 60 is sticked in the first side 301, and first fixed part 61 is away from connecting portion 63 One end be connected on the protuberance 32.So, the protuberance 32 has one on the direction of vibration of oscillator To the confined planes of elastic component 60, when balancing weight 30 and elastic component 60 are assembled, the first fixed part 61 and the confined planes directly contact, Can simplify assembling, and improve the space availability ratio of product, improve the stability that elastic component 60 is fixed with balancing weight 30, improve The vibration performance of product.

Between first fixed part 61 and the first side wall 111 of housing, between second fixed part 62 and balancing weight 30 also Catch 70 is respectively equipped with, the catch can use foam, for preventing collision, improve the reliability of product.

The vibrating motor 100 is further included located at the bolster 80 between balancing weight 30 and elastic component 60, described slow Stamping 80 can use foam, for preventing the collision between elastic component and balancing weight.In the present embodiment, the balancing weight The receiving hole 33 of the oriented direction of second sidewall 112 depression away from housing, the bolster 80 are set in 30 second side 302 It is at least partially inserted into the receiving hole 33.Further, the bolster 80 wraps up the connecting portion 63 of the elastic component extremely A few part.Such structure, can be used for preventing the width of crossing of oscillator from vibrating.

Above-described is only two kinds of implementation methods of the present utility model, it should be noted here that common for this area For technical staff, on the premise of the utility model creation design is not departed from, improvement can also be made, but these belong to this The protection domain of utility model.

Claims

1. a kind of vibrating motor, including it is provided with the housing of receiving space, the shaking with balancing weight being contained in the receiving space The elastic component of son, stator and the support oscillator, the housing includes the bottom wall of side wall and the fixation stator, the oscillator Vibrated along the direction parallel to the bottom wall, a wherein side of the oscillator and stator includes coil, and the opposing party includes magnet steel, , just to interval setting, the elastic component includes that the first fixed part being connected with balancing weight is connected with housing for the coil and magnet steel The second fixed part and connection the first fixed part and the second fixed part connecting portion, it is characterised in that:The balancing weight includes edge First side and the second side of connection first side that oscillator vibration direction extends, the balancing weight are provided with from first side To the protuberance that housing sidewall direction is protruded, first fixed part is sticked in the first side, first fixed part One end away from connecting portion is connected on the protuberance.

2. vibrating motor according to claim 1, it is characterised in that：The balancing weight includes at least one accepting hole, institute State magnet steel to be contained in the accepting hole, the coil is fixed on the bottom wall of housing.

3. vibrating motor according to claim 2, it is characterised in that：The elastic component has two, each elastic component First fixed part is fixed on the first side of balancing weight, and second fixed part is fixed on the housing away from the first fixed part side On the wall of side, the connecting portion around balancing weight second side and with second side interval setting.

4. vibrating motor according to claim 3, it is characterised in that：Between first fixed part and housing, described Catch is respectively equipped between two fixed parts and balancing weight.

5. vibrating motor according to claim 4, it is characterised in that：The catch includes being attached at the of the first fixed part One catch and the second catch for being attached at the second fixed part.

6. vibrating motor according to claim 5, it is characterised in that：The elastic component for opening direction be oppositely arranged two Individual U-shaped spring.

7. vibrating motor according to claim 6, it is characterised in that：Buffering is provided between the connecting portion and balancing weight Part.

8. vibrating motor according to claim 7, it is characterised in that：The second side is provided with to away from housing sidewall side To the receiving hole of depression, the bolster is at least partially inserted into the receiving hole.