CN206834964U

CN206834964U - Vibration exciter

Info

Publication number: CN206834964U
Application number: CN201720431636.0U
Authority: CN
Inventors: 黄金全; 凌芳华; 许洪富; 郭顺
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2017-04-21
Filing date: 2017-04-21
Publication date: 2018-01-02
Anticipated expiration: 2027-04-21

Abstract

The utility model provides a kind of vibration exciter, including housing, vibration unit and coil, the vibration exciter also includes two and is used for the vibration unit elastic mounting in the elastic component in the housing, the yoke is provided with support level, the vibration exciter also includes elastic component, the elastic component includes the elastic deformation portion of the first fixed part, two the second fixed parts and two bendings, and orthographic projection of the elastic deformation portion to the yoke is located in the range of the yoke.Compared with correlation technique, vibration exciter provided by the utility model, it is by setting planar shaped elastic component so that processing is simply easily assembled；By the way that the first fixed part of elastic component is fixed on into the long side wall that vibration unit is fixed on housing close to the both ends of the short side wall of housing and by two the second fixed parts of elastic component, so as to effectively increase the length in elastic deformation portion, reduce the stress in elastic deformation portion, and then the reliability of the vibration exciter can be effectively improved.

Description

Vibration exciter

【Technical field】

It the utility model is related to driver technical field, more particularly to a kind of vibration exciter.

【Background technology】

With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, palm Game machine, guider or palm multimedia entertainment equipment etc., these electronic products typically can all use vibrating motor and be to do System feedback, such as the incoming call prompting of mobile phone, information alert, navigation hint, the vibrational feedback etc. of game machine.

In the related art, vibration exciter is supported by " S " the type elastic component set along its direction of vibration, this Elastic component is processed and assembly difficulty is big.

Therefore, it is necessary to a kind of new vibration exciter is provided to solve the above problems.

【Utility model content】

The purpose of this utility model is to provide a kind of vibration exciter, and it can effectively increase the spring arm of force, reduce spring Stress, improve product reliability.

The technical solution of the utility model is as follows：A kind of vibration exciter, including the housing with receiving space, be suspended in Vibration unit in the housing and it is fixed on the housing and the coil for driving the vibration unit vibration, the shell Body includes two short side walls being oppositely arranged of two long side walls of two long side walls being oppositely arranged and connection, the vibration Unit includes yoke and assembled to set in the magnet in yoke center, magnet described in the coil encircling, and the yoke is close The both ends of two short side walls are respectively equipped with support level, and the vibration exciter also includes two and is used for the vibration list For first elastic mounting in the elastic component in the housing, two elastic components are individually fixed in two support levels, and Any one elastic component includes being fixed on the first fixed part of the support level, is individually fixed in two long side walls Two the second fixed parts and two elasticity bent for connecting first fixed part and two second fixed parts respectively Deformations, orthographic projection of the elastic deformation portion to the yoke are located in the range of the yoke.

Preferably, the housing includes upper shell and the lower house to form the receiving space is connect with the upper case cover, The long side wall and the short side wall are arranged at the upper shell, and the coil is fixed on the lower house.

Preferably, the vibration exciter also includes being contained in the housing and being fixed on the circuit of the lower house Plate, the coil and the circuit board electrical connection.

Preferably, the magnet includes magnet steel and is attached at the pole piece on the magnet steel surface.

Preferably, the elastic deformation portion includes the Part I from first fixed part extension, from described first Point reversely it is bent to form the first kink, the second kink being reversely bent to form from first kink and from described the Two kinks extend to the Part II of second fixed part.

Preferably, the Part I, first kink, second kink and the Part II are located at Same level.

Preferably, the yoke includes yoke bottom wall and the yoke side wall from yoke bottom wall extension, the yoke side Wall is provided with two breach close to the position of two short side walls, and two support levels are divided into two breach.

Preferably, first fixed part is fixedly welded on the support level, and second fixed part is fixedly welded on The long side wall.

Compared with correlation technique, vibration exciter provided by the utility model, it is by setting planar shaped elastic component so that Processing is simply easily assembled；By the way that the first fixed part of elastic component is fixed on into vibration unit close to the both ends of the short side wall of housing With the long side wall that two the second fixed parts of elastic component are fixed on to housing, so as to effectively increase the length in elastic deformation portion Degree, the stress for reducing elastic deformation portion, and then the reliability of the vibration exciter can be effectively improved.

【Brief description of the drawings】

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Other accompanying drawings are obtained, wherein：

Fig. 1 is the three-dimensional exploded view of the utility model vibration exciter；

Fig. 2 is the sectional view of the utility model vibration exciter；

Fig. 3 is that the utility model vibration exciter removes the view after lower house and wiring board.

【Embodiment】

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of vibration exciter 100, including with receiving space 10 Housing 1, the vibration unit 2 being suspended in the housing 1 and it is fixed on the housing 1 and for driving the vibration unit 2 The coil 3 of vibration.The coil 3 acts after being powered with the magnetic field in the vibration unit 2, so as to drive the vibration single Member 2 is of reciprocating vibration in the housing 1, realizes that the vibration exciter 100 outwards exports vibration sense.

The housing 1 includes upper shell 13 and the lower house to form the receiving space 10 is connect with the upper shell 13 lid 14, the upper shell 13 include two long side walls 11 of two long side walls 11 being oppositely arranged and connection two are oppositely arranged Short side wall 12.The coil 3 is fixed on the lower house 14.

The vibration unit 2 includes yoke 20 and assembled in the magnet 21 in the center of yoke 20, and the coil 3 is around institute State magnet 21 to set, the yoke 20 is respectively equipped with support level 200, the support close to the both ends of two short side walls 12 Step 200 and the split settings of yoke 20.

The yoke 20 includes yoke bottom wall 201 and the yoke side wall 202 from the yoke bottom wall 201 extension, the magnetic Yoke side wall 202 is provided with two breach 2020 close to the position of two short side walls 12, and two support levels 200 block respectively In two breach 2020.

The magnet 21 includes magnet steel 210 and is attached at the pole piece 211 on the surface of magnet steel 210.The magnet steel 210 is used for Magnetic field is produced, the pole piece 211 is used to gather magnetic field.The coil 3 is set and mutual with the magnetic field around the magnet 21 Effect, so as to drive the vibration unit 2 to vibrate.

Also referring to Fig. 3, the vibration exciter 100 also includes two and is used to the vibration unit 2 being suspended in institute The elastic component 4 in housing 1 is stated, two elastic components 4 are individually fixed in two support levels 200, and any one institute Stating elastic component 4 includes being fixed on the first fixed part 40 of the support level 200, is individually fixed in two long side walls 11 Two the second fixed parts 41 and two bendings for connecting first fixed part 40 and two second fixed parts 41 respectively Elastic deformation portion 42, orthographic projection of two elastic deformation portions 42 to the yoke 20 be located in the range of the yoke 20.

The vibration exciter 100 also includes being contained in the housing 1 and being fixed on the wiring board of the lower house 14 5, the coil 3 electrically connects with the wiring board 5.

The elastic deformation portion 42 includes the Part I 420 from first fixed part 40 extension, from described first 420 are divided reversely to be bent to form the first kink 421, the second kink 422 being reversely bent to form from first kink 421 And the Part II 423 of second fixed part 41 is extended to from second kink 422.The Part I 420, institute State the first kink 421, second kink 422 and the Part II 423 and be located at same level.

First fixed part 40 is fixedly welded on the support level 200, and second fixed part 41 is fixedly welded on The long side wall 11.

Compared with correlation technique, the vibration exciter 100 provided by the utility model, it is by setting described in planar shaped Elastic component 4 so that processing is simply easily assembled；By the way that first fixed part 40 of the elastic component 4 is fixed on into described shake Moving cell 2 is fixed close to the both ends of the short side wall 12 of housing and by two of the elastic component 4 second fixed parts 41 In the long side wall 11 of the housing 1, so as to effectively increase the length in the elastic deformation portion 42, reduce the elasticity The stress of deformations 42, and then the reliability of the vibration exciter 100 can be effectively improved.

Above-described is only embodiment of the present utility model, it should be noted here that the ordinary skill for this area For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made, but these belong to this practicality New protection domain.

Claims

1. a kind of vibration exciter, including the housing with receiving space, the vibration unit that is suspended in the housing and solid Due to the housing and the coil for driving the vibration unit to vibrate, the housing includes two long side walls being oppositely arranged With two short side walls being oppositely arranged of two long side walls of connection, the vibration unit includes yoke and assembled in the magnetic The magnet in yoke center, magnet described in the coil encircling are set, it is characterised in that the yoke is close to two short side walls Both ends are respectively equipped with support level, and the vibration exciter also includes two and is used for the vibration unit elastic mounting in described Elastic component in housing, two elastic components are individually fixed in two support levels, and any one elastic component Including be fixed on the first fixed part of the support level, be individually fixed in two the second fixed parts of two long side walls with And the elastic deformation portion of two bendings of first fixed part and two second fixed parts, the elastic shape are connected respectively Orthographic projection of the change portion to the yoke is located in the range of the yoke.

2. vibration exciter according to claim 1, it is characterised in that the housing include upper shell and with the upper casing Body lid connects the lower house to form the receiving space, and the long side wall and the short side wall are arranged at the upper shell, the line Circle is fixed on the lower house.

3. vibration exciter according to claim 2, it is characterised in that the vibration exciter is also described including being contained in Housing is interior and is fixed on the wiring board of the lower house, the coil and the circuit board electrical connection.

4. the vibration exciter according to claim 1 or 3, it is characterised in that the magnet includes magnet steel and is attached at institute State the pole piece on magnet steel surface.

5. vibration exciter according to claim 4, it is characterised in that the elastic deformation portion includes solid from described first Determine the Part I of portion's extension, the first kink is reversely bent to form from the Part I, be reverse from first kink The second kink for being bent to form and the Part II that second fixed part is extended to from second kink.

6. vibration exciter according to claim 5, it is characterised in that the Part I, first kink, institute State the second kink and the Part II is located at same level.

7. vibration exciter according to claim 1, it is characterised in that the yoke includes yoke bottom wall and from the magnetic The yoke side wall of yoke bottom wall extension, the yoke side wall are provided with two breach, two institutes close to the position of two short side walls Support level is stated to be divided into two breach.

8. vibration exciter according to claim 1, it is characterised in that first fixed part is fixedly welded on the branch Step is supportted, second fixed part is fixedly welded on the long side wall.