CN108270336A - A kind of spring and polygon vertical linearity vibrating motor - Google Patents

Abstract

The present invention provides a kind of springs and polygon vertical linearity vibrating motor, are related to vertical linearity vibrating motor technical field.The spring is applied in polygon vertical linearity vibrating motor, and spring includes inner ring and the multiple arm of force components for being connected to inner ring periphery；Arm of force component includes 2 sub- arm of forces being symmetrically set, and one end of the 2 strip arm of forces is connected on the periphery of inner ring, and the other end of the 2 strip arm of forces is connected.The arm of force quantity of the spring is more, and vibration processes noise is smaller, and internal stress is smaller, and vibrating fatigue lasts a long time.

Description

A kind of spring and polygon vertical linearity vibrating motor

Technical field

It is vertical in particular to a kind of spring and polygon the present invention relates to vertical linearity vibrating motor technical field Linear vibration motor.

Background technology

At present, the vertical linearity vibrating motor used in the electronic products such as mobile phone is mostly round.But in electronic product Using circular vibration motor, at least there are following defects：

1. the thickness of circular vibration motor is larger, it is difficult to realize the lightening design of electronic product.

2. circular vibration motor is poor with the laminating degree of other component in electronic product, electronic product is producing In transportational process, circular vibration motor easily tumbles.

The defects of for circular vibration motor, some existing producers substitute circular vibration motor using rectangular vibrating motor, But the spring in rectangular vibrating motor be Conventional springs structure, by magnetic force pull and during up-down vibration, in spring Portion easily interferes with each other, makes a noise, moreover, the negligible amounts of the spring arm of force, spring internal stress is excessive, the vibrating fatigue service life compared with It is short, the phenomenon that easily fracture, cause motor service life shorter.

Invention content

The present invention provides a kind of spring, and arm of force quantity is more, and vibration processes noise is smaller, and internal stress is smaller, and vibration is tired Labor lasts a long time.

The present invention also provides a kind of polygon vertical linearity vibrating motors, and course of work noise is small, and service life is longer.

The first technical solution provided by the invention：

A kind of spring, applied in polygon vertical linearity vibrating motor, the spring includes inner ring and is connected to institute State multiple arm of force components of inner ring periphery；The arm of force component includes 2 sub- arm of forces being symmetrically set, 2 sub- power One end of arm is connected on the periphery of the inner ring, and the other end of 2 sub- arm of forces is connected.

Further, the sub- arm of force is from one end of the connection inner ring to the symmetrical of the relatively described arm of force component of the other end The distance of line is：The first value is first gradually decrease to, then gradually increases to second value, is finally gradually decrease to zero.

Further, the other end of the sub- arm of force is provided with connecting portion, and the length of the connecting portion is the second value 1/3rd to half.

Further, the second value is greater than or equal to maximum value of the point apart from the line of symmetry in the inner ring.

Further, the inner ring is circular ring shape, and the second value is greater than or equal to two molecules of the outer diameter of the inner ring One；Alternatively, the inner ring is square, the second value is greater than or equal to the half of the length of side of the inner ring.

Further, the sub- arm of force is from one end of the inner ring is connected to the width of the other end：First reduce and increase afterwards.

Further, the sub- arm of force includes the first bending section and the second bending section, and first bending section is relatively described Second bending section is close to the inner ring, and the opening direction of first bending section is away from the line of symmetry, second bending section Opening direction towards the line of symmetry.

Further, ranging from 90 °~120 ° of the opening angle of first bending section, the opening of second bending section Angular range is 0 °~30 °.

Further, the spring further includes linkage section, and the linkage section is connected to the inner ring and the arm of force component Between.

Second of technical solution provided by the invention：

A kind of polygon vertical linearity vibrating motor includes the spring described in the first technical solution.

The advantageous effect of spring provided by the invention is：

1. the periphery of the inner ring is connected with multiple arm of force components, what the arm of force component was symmetrically set including 2 The sub- arm of force, in this way, the sub- arm of force quantity of spring is at least 4, sub- arm of force quantity is more, during spring vibration, per strip The internal stress of the arm of force is smaller, and vibrating fatigue lasts a long time, the phenomenon that being not susceptible to be broken.Moreover, spring inner is not easy mutually to do It disturbs, noise is small.

2. spring can apply to well in polygon vertical linearity vibrating motor, improve existing vertical linearity vibration horse Up to the scarcity of middle form of springs, fill a hole in the market.

The advantageous effect of polygon vertical linearity vibrating motor provided by the invention is：

Polygon vertical linearity vibrating motor employs above-mentioned spring, and course of work noise is small, and vibration is stablized, and uses the longevity Life is longer.

Description of the drawings

It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is the structure diagram of spring that first embodiment of the invention provides.

Fig. 2 is the structure diagram of arm of force component in Fig. 1.

Fig. 3 is the outline structural diagram of polygon vertical linearity vibrating motor that first embodiment of the invention provides.

Fig. 4 is the complete section structure diagram of polygon vertical linearity vibrating motor that first embodiment of the invention provides.

Fig. 5 is the structure diagram of spring that second embodiment of the invention provides.

Icon：100- springs；110- inner ring；120- arm of force components；The sub- arm of forces of 121-；The first bending sections of 122-；123- Two bending sections；124- connecting portions；130- arc notch；140- linkage sections；200- polygon vertical linearity vibrating motors；210- shells Body；220- stator modules；230- vibration components.

Specific embodiment

Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be configured to arrange and design with a variety of different.

Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects It encloses.

It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instructions such as " level ", " interior ", " outer " are based on orientation shown in the drawings or position relationship or are somebody's turn to do Invention product using when the orientation usually put or position relationship or those skilled in the art orientation or position that usually understand Relationship is put, be for only for ease of the description present invention and simplifies description rather than instruction or implies that signified equipment or element are necessary With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and it is not intended that instruction or hint Relative importance.

In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one Connect to body；Can be mechanical connection or electrical connection；It can be directly connected, it can also be indirect by intermediary It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

First embodiment

Referring to Fig. 1, the dotted line on the figure neutron arm of force 121 represents the line of demarcation between each section, the shape of each section is simultaneously It is undesired completely with consistent in figure, the shape of each section only plays the effect of signal in figure.In figure between the 2 strip arm of forces 121 Straight dotted line represents the line of symmetry of arm of force component 120.

A kind of spring 100 is present embodiments provided, which is cone spring.The spring 100 mainly applies to polygon In vertical linearity vibrating motor 200.Spring 100 includes inner ring 110 and the multiple arm of force components for being connected to 110 periphery of inner ring 120.In the present embodiment, the quantity of arm of force component 120 is 4.4 arm of force components 120 are connected to inner ring 110 evenly and at intervals Periphery.

Arm of force component 120 includes 2 sub- arm of forces 121 being symmetrically set.In one end of the 2 strip arm of forces 121 is connected to On the periphery of ring 110, the other end of the 2 strip arm of forces 121 is connected.The other end of the sub- arm of force 121 is additionally provided with connecting portion 124, Arm of force component 120 can be firmly welded on housing 210 or vibration component 230 by connecting portion 124 and (please refer to Fig. 4). The length e of connecting portion 124 arrives half for 1/3rd of second value b.The width maximum value of connecting portion 124 is housing 210 Wall thickness.

Width of the sub- arm of force 121 from one end of connection inner ring 110 to the other end：First reduce and increase afterwards.Preferably, the sub- arm of force The width at 121 both ends is more than 2 times of the width at the middle part of the sub- arm of force 121.In this way, stress is smaller everywhere on the sub- arm of force 121, energy The elastic property of the sub- arm of force 121 is enough improved, improves the vibrating fatigue service life.The width at the both ends of the sub- arm of force 121 is larger to offset Weld the influence to the intensity of spring 100.In arm of force component 120, the 2 strip arm of forces 121 and the junction of inner ring 110 offer arc V notch v 130.In this way, arm of force component 120 and the internal stress of the junction of inner ring 110 are smaller, to improve the use longevity of spring 100 Life.

Spring 10 is formed by the way of punching molding.One end that the 2 strip arm of forces 121 are connected with each other in arm of force component 120 There are clouts after shaping, before spring 10 is mounted in motor, first cuts away the clout on the sub- arm of force 121, make 2 strip power The width of one end that arm 121 is connected with each other is less than or equal to the wall thickness of the housing of motor.

There is certain angle between the plane where plane and inner ring 110 where arm of force component 120.The sub- arm of force 121 From one end to the direction of the other end of connection inner ring 110, lateral and vertical extension is carried out at the same time, the sub- arm of force 121 is vertical On extended distance be spring 100 thickness.The plane mentioned here being transversely parallel to where inner ring 110, it is vertical vertical Plane where inner ring 110.

It please refers to Fig.1 and Fig. 2, the sub- arm of force 121 is from one end of connection inner ring 110 to other end relative to force arm component 120 The distance of line of symmetry is：The first value a is first gradually decrease to, then gradually increases to second value b, is finally gradually decrease to zero.

What the first value represented is minimum value of the sub- arm of force 121 apart from line of symmetry, as long as ensureing that spring 100 was working normally Cheng Zhong will not be interfered with each other between the 2 strip arm of forces 121 in arm of force component 120.Preferably, the first value a is greater than or equal to 0.05mm, the distance between 2 strip arm of forces 121 are greater than or equal to 0.1mm in arm of force component 120, in this way, the 2 strip arm of forces 121 exist It in vibration processes, will not interfere with each other, abrasion is few, and noise is small, and the service life of the sub- arm of force 121 is longer.

Second value b is greater than or equal to maximum value of the point apart from line of symmetry in inner ring 110.That is, arm of force component 120 The length of its vertical line of symmetry is greater than or equal to the length of 110 vertical symmetrical line of inner ring.In this way, the effective length of the sub- arm of force 121 It is longer, the elasticity of spring 100 preferably, stroke it is larger, the internal stress of spring 100 is smaller, vibrating fatigue lasts a long time.

There are many shapes of inner ring 110 selects, such as circular ring shape, square or other polygons, in the present embodiment, inner ring 110 be circular ring shape, and second value b is greater than or equal to two molecules one of the outer diameter of inner ring 110, and the inner ring 110 of circular ring shape can consolidate Ground is welded on the housing 210 of polygon vertical linearity vibrating motor 200 or vibration component 230, uniform force, be unlikely to deform, It comes off.In other embodiments, inner ring 110 can be square, and corresponding, second value b is greater than or equal to the length of side of inner ring 110 Half.

Specifically, the sub- arm of force 121 includes the first bending section 122 and the second bending section 123, the first bending section 122 opposite the Two bending sections 123 are close to inner ring 110, and the opening direction of the first bending section 122 is away from line of symmetry, the opening of the second bending section 123 Direction is towards line of symmetry.

Preferably, ranging from 90 °~120 ° of the opening angle c of the first bending section 122, the opening of the second bending section 123 Ranging from 0 °~30 ° of angle d.In this way, the effective length of the sub- arm of force 121 is as long as possible, internal stress is as small as possible.Bending section Opening angle refer to the bending section both ends respectively tangent line angulation, in other words, opening angle refers to the opening of bending section The angle of expansion.

Each junction rounding off as possible on spring 100 to reduce the internal stress of spring 100, improves the vibrating fatigue longevity Life is longer.

In other embodiments, the quantity of arm of force component 120 can also be N number of, and N is integer more than or equal to 2, sub- power The quantity of arm 121 is then 2N, and the quantity of the sub- arm of force 121 is at least 4, and the quantity of the sub- arm of force 121 is more, and spring 100 vibrates During, the internal stress per the strip arm of force 121 is smaller, and vibrating fatigue lasts a long time, the phenomenon that being not susceptible to be broken.

Fig. 3 and Fig. 4 are please referred to, the present embodiment also provides a kind of polygon vertical linearity vibrating motor 200, and polygon is vertical Linear vibration motor 200 is quadrangle vertical linearity vibrating motor (square shaped vertical linear vibration motor).Polygon vertical linearity Vibrating motor 200 includes housing 210 and the stator module 220, vibration component 230 and the spring 100 that are arranged in housing 210.

Stator module 220 is fixedly mounted on the inner wall of housing 210, and the arm of force component 120 of spring 100 is welded on housing On 210 inner wall, inner ring 110 and the vibration component 230 of spring 100 weld, and enable vibration component 230 with respect to 210 He of housing Stator module 220 vibrates.

In the present embodiment, spring 100 is arranged on the top of vibration component 230, and the arm of force component 120 of spring 100 is welded on On the inner wall of 210 top of housing, in other embodiments, spring 100 can be arranged on the lower section of vibration component 230, spring 100 Arm of force component 120 be welded on the inner wall of the lower section of housing 210, it is corresponding, the size of spring 100 can be adapted to Property adjustment.

In other embodiments, the inner ring 110 of spring 100 is welded on the inner wall of housing 210, the arm of force group of spring 100 Part 120 is welded with vibration component 230, and vibration component 230 is enable to be vibrated with respect to housing 210 and stator module 220.

The number of edges of polygon vertical linearity vibrating motor 200 is equal with the quantity of the arm of force component 120 of spring 100, sub- power The quantity of arm 121 is 2 times of the number of edges of polygon vertical linearity vibrating motor 200.Spring 100 has foot to vibration component 230 Enough support forces and uniform force, vibration are stablized.

Polygon vertical linearity vibrating motor 200 provided in this embodiment employs above-mentioned spring 100, and the course of work is made an uproar Sound is small, and vibration is stablized, and service life is longer.

Second embodiment

A kind of spring 100 is present embodiments provided, it is close with 100 structure of spring that first embodiment provides, difference It is in being connected between inner ring 110 and arm of force component 120 by linkage section 140.

Referring to Fig. 5, spring 100 further includes linkage section 140, linkage section 140 is connected to inner ring 110 and arm of force component 120 Between.Specifically, arm of force component 120 includes 2 sub- arm of forces 121 being symmetrically set.One end connection of the 2 strip arm of forces 121 On linkage section 140, the other end of the 2 strip arm of forces 121 is connected.

Linkage section 140 in the present embodiment is equivalent to the first bending section 122 and the first bending section in first embodiment Part between 122 and inner ring 110 merges.Arm of force component 120 in the present embodiment is equivalent to the power in first embodiment Arm component 120 removes the part between the first bending section 122 and the first bending section 122 and inner ring 110 and remaining part.

100 inside bonding strength of spring provided in this embodiment is larger, and vibrating fatigue lasts a long time, and is not susceptible to fracture Phenomenon, and elasticity is preferable, stroke is larger, and spring inner is not easy to interfere with each other, and noise is small.

3rd embodiment

A kind of spring 100 is present embodiments provided, 100 structure of spring provided with the first embodiment or the second embodiment Close, the difference lies in the spring 100 in the present embodiment is coach spring.Specifically, the inner ring 110 of spring 100 and arm of force group In part 120 is generally aligned in the same plane.

The present embodiment also provides a kind of polygon vertical linearity vibrating motor 200 using above-mentioned spring 100.The present embodiment The other structures structure phase corresponding with first embodiment of the spring 100 and polygon vertical linearity vibrating motor 200 of offer Together, which is not described herein again.

It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.Any modification for all within the spirits and principles of the present invention, being made, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of spring, applied in polygon vertical linearity vibrating motor, which is characterized in that the spring includes inner ring (110) multiple arm of force components (120) of the inner ring (110) periphery are connected to and；The arm of force component (120) includes 2 The sub- arm of force (121) being symmetrically set, one end of 2 sub- arm of forces (121) are connected to the periphery of the inner ring (110) On, the other end of 2 sub- arm of forces (121) is connected.

2. spring according to claim 1, which is characterized in that the sub- arm of force (121) is from connecting the inner ring (110) The distance of one end to the line of symmetry of the relatively described arm of force component (120) of the other end is：The first value is first gradually decrease to, then is gradually increased Greatly to second value, it is finally gradually decrease to zero.

3. spring according to claim 2, which is characterized in that the other end of the sub- arm of force (121) is provided with connecting portion (124), the length of the connecting portion (124) arrives half for 1/3rd of the second value.

4. spring according to claim 2, which is characterized in that the second value is greater than or equal in the inner ring (110) Maximum value of the point apart from the line of symmetry.

5. spring according to claim 4, which is characterized in that the inner ring (110) is circular ring shape, and the second value is more than Or two molecules one of the outer diameter equal to the inner ring (110)；Alternatively, the inner ring (110) is square, the second value is more than Or the half of the length of side equal to the inner ring (110).

6. spring according to claim 2, which is characterized in that the sub- arm of force (121) is from connecting the inner ring (110) One end is to the width of the other end：First reduce and increase afterwards.

7. spring according to claim 2, which is characterized in that the sub- arm of force (121) including the first bending section (122) and Second bending section (123), the close inner ring (110) of relatively described second bending section (123) of first bending section (122), The opening direction of first bending section (122) deviates from the line of symmetry, the opening direction direction of second bending section (123) The line of symmetry.

8. spring according to claim 7, which is characterized in that the opening angle of first bending section (122) is ranging from 90 °~120 °, ranging from 0 °~30 ° of the opening angle of second bending section (123).

9. according to claim 1 to 8 any one of them spring, which is characterized in that the spring further includes linkage section (140), The linkage section (140) is connected between the inner ring (110) and the arm of force component (120).

10. a kind of polygon vertical linearity vibrating motor, which is characterized in that the polygon vertical linearity vibrating motor includes power Profit requires 1 to 9 any one of them spring.