CN108134498A - 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 2 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 angle formed by one end of the 2 strip arm of forces and the center connection of inner ring is right angle, and the other end of the 2 strip arm of forces is connected.The 4 strip arm of forces of the spring are evenly distributed with respect to inner ring, and vibration is stablized, and simple in structure, 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 is Conventional springs structure, is being pulled during up-down vibration by magnetic force, inside is easily It interferes with each other, make a noise, spring internal stress is excessive, and the vibrating fatigue service life is shorter, the phenomenon that easily fracture, motor is caused to make It is shorter with the service life.

Invention content

The present invention provides a kind of spring, and simple in structure, vibration processes noise is smaller, and internal stress is smaller, the vibrating fatigue longevity Life is longer.

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 2 arm of force components of inner ring periphery；The arm of force component includes 2 sub- arm of forces being symmetrically set, 2 sub- arm of forces One end be connected on the periphery of the inner ring, one end of 2 sub- arm of forces connect with the center of the inner ring formed by angle For right angle, the other end of 2 sub- arm of forces is connected.

Further, in the arm of force component, the maximum distance between point on 2 sub- arm of forces is more than the inner ring Maximum length.

Further, the sub- arm of force is from one end of the inner ring is connected to the distance of the relatively described line of symmetry of the other end For：First the first value is gradually increased to, then be gradually decrease to second value, then gradually increase to third value, be finally gradually decrease to zero.

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 the outer diameter of the inner ring.

Further, on the sub- arm of force from the one end for connecting the inner ring the first bending is disposed with to the other end Portion, the second bending section and third bending section, the opening direction of first bending section, the third bending section opening direction court To the line of symmetry, the opening direction of second bending section deviates from the line of symmetry.

Further, ranging from 30 °~60 ° of the opening angle of first bending section, the opening of second bending section Angular range is 120 °~160 °, ranging from 80 °~100 ° of the opening angle of the third bending section.

Further, the part of one end to first bending section that the sub- arm of force connects the inner ring moves closer to separately One arm of force component.

Further, the other end of the sub- arm of force is additionally provided with connecting portion, and the length of the connecting portion is the third / 3rd of value arrive half.

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 2 arm of force components, the arm of force component includes 2 sons being symmetrically set The arm of force, in this way, the sub- arm of force quantity of spring is 4, sub- arm of force quantity is more, during spring vibration, per the strip arm of force Internal stress is smaller, and vibrating fatigue lasts a long time, the phenomenon that being not susceptible to be broken.

2. in the arm of force component one end of 2 sub- arm of forces connect with the center of the inner ring formed by angle be straight Angle, in this way, the length of its vertical line of symmetry of the arm of force component is larger, in other words, 2 sub- arm of forces in the arm of force component On point between maximum distance it is larger, it is more steady in vibration processes moreover, the relatively described inner ring of the 4 strip arm of forces is evenly distributed It is fixed.

3. the structure of the spring is simple, inside is not easy to interfere with each other, noise is small, and service life is longer.

4. the spring can apply to well in polygon vertical linearity vibrating motor, improve existing vertical linearity and shake The scarcity of form of springs, fills a hole in the market in dynamic motor.

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 third 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- thirds bending section；125- connecting portions；200- polygon vertical linearity vibrating motors；210- housings；220- determines Sub-component；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, while is also the line of symmetry of inner ring 110.

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 2 arm of force components for being connected to 110 periphery of inner ring 120.Arm of force component 120 includes 2 sub- arm of forces 121 being symmetrically set.In this way, 121 quantity of the sub- arm of force of spring 100 is 4 A, sub- 121 quantity of the arm of force is more, and during spring 100 vibrates, the internal stress per the strip arm of force 121 is smaller, the vibrating fatigue longevity Life is longer, the phenomenon that being not susceptible to be broken.

In arm of force component 120, one end of the 2 strip arm of forces 121 is connected on the periphery of inner ring 110, the 2 strip arm of forces 121 The other end be connected.The other end of the 2 strip arm of forces 121 is additionally provided with connecting portion 125, can be by the arm of force by connecting portion 125 Component 120 is firmly welded on the housing 210 of polygon vertical linearity vibrating motor 200 or vibration component 230.Connecting portion 125 length L4 arrives half for 1/3rd of L3.The maximum value of the width of connecting portion 125 is equal to the thickness of housing 210. Spring 100 is in installation process, solder joint there are one settings on each connecting portion 125, and 8 welderings are provided with evenly and at intervals in inner ring Point, wherein, the sub- arm of force 121 is both provided with solder joint with 110 junction of inner ring.

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.

Spring 100 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 100 is mounted in motor, first cuts away the clout on the sub- arm of force 121, make 2 strips The width of one end that the arm of force 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.

In arm of force component 120, one end of the 2 strip arm of forces 121 connect with the center of inner ring 110 formed by angle a be right angle. In this way, the length of its vertical line of symmetry of arm of force component 120 is larger, the maximum distance between the point on 2 sub- arm of forces 121 in other words Larger, the effective length per the strip arm of force 121 is longer, the elasticity of spring 100 preferably, stroke it is larger, moreover, the 4 strip arm of forces 121 It is evenly distributed with respect to inner ring 110, more stablizes in vibration processes.

Preferably, in arm of force component 120, the maximum distance between point on the 2 strip arm of forces 121 is more than inner ring 110 most Long length.In this way, being further ensured that the effective length of the sub- arm of force 121 of arm of force component 120 is longer, the elasticity of spring 100 is improved Performance, increase stroke.

It please refers to Fig.1 and Fig. 2, distance of the sub- arm of force 121 from one end of connection inner ring 110 to other end relative symmetry line For：First the first value L1 is gradually increased to, then be gradually decrease to second value L2, then gradually increase to third value L3, finally gradually subtracted As low as zero.

Second value L2 is greater than or equal to maximum value of the point apart from line of symmetry in inner ring 110.In this way, it is ensured that arm of force group The length of its vertical line of symmetry of part 120 is more than the length of 110 vertical symmetrical line of inner ring.

There are many selection, such as circular ring shape, square or other polygons, corresponding, inner ring 110 for the shape of inner ring 110 Middle part open up circular through hole, square through hole or other polygonal through hole.In the present embodiment, inner ring 110 be circular ring shape, second value L2 is greater than or equal to the outer diameter of inner ring 110, and the inner ring 110 of circular ring shape can firmly be welded on polygon vertical linearity vibration horse Up on 200 housing 210 or vibration component 230, uniform force is unlikely to deform, comes off.In other embodiments, inner ring 110 can Think square, corresponding, second value L2 is greater than or equal to the half of the length of side of inner ring 110.

Specifically, on the sub- arm of force 121 from connection inner ring 110 one end to the other end be disposed with the first bending section 122, Second bending section 123 and third bending section 124, the opening direction of the first bending section 122, the opening direction of third bending section 124 Towards line of symmetry, the opening direction of the second bending section 123 deviates from line of symmetry.

The part of one end of the sub- arm of force 121 to the first bending section 122 moves closer to another arm of force component 120, so that sub The arm of force 121 fills the space of 110 surrounding of inner ring as much as possible.

Ranging from 30 °~60 ° of the opening angle b of first bending section 122, the model of the opening angle c of the second bending section 123 Enclose is 120 °~160 °, ranging from 80 °~100 ° of the opening angle d of third bending section 124.In this way, the sub- arm of force 121 is effective Length is as long as possible, and internal stress is as small as possible.The opening angle of bending section refers to the bending section both ends respectively formed by tangent line Angle, the angle that the opening of bending section is unfolded in other words.

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.

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 lower section of vibration component 230, and the arm of force component 120 of spring 100 is welded on On the inner wall of 210 lower section of housing, in other embodiments, spring 100 can be arranged on the top of vibration component 230, spring 100 Arm of force component 120 be welded on the inner wall of the top 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.

Spring 100 provided in this embodiment, the reserved space between simple in structure, the sub- arm of force 121 is big, inside spring 100 It is not susceptible to interfere with each other, abrasion is few, and noise is small, and service life is long.The effective length of the sub- arm of force 121 is longer, the bullet of spring 100 Property is preferable, stroke is larger, and the internal stress of spring 100 is smaller, vibrating fatigue lasts a long time.

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 the spring 100 in the present embodiment is coach spring.Specifically, the inner ring 110 and arm of force component 120 of spring 100 are located at together In one 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.

3rd 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 110 structure of inner ring of the spring 100 in the present embodiment is different.

Referring to Fig. 5, the outer profile of the inner ring 110 of spring 100 is circle, the middle part of inner ring 110 offers square through hole, The middle part on the side of square through hole corresponds to the junction of the sub- arm of force 121 and inner ring 110.In this way, the sub- arm of force 121 is corresponded in inner ring 110 It is larger with the partial width of the junction of inner ring 110.

Relative to the spring 100 in first embodiment, the solder joint in the inner ring 110 of the spring 100 in the present embodiment can Closer to the center of inner ring 110, in other words, the farther ion arm of force 121 of solder joint and the junction of inner ring 110 in inner ring 110, In such manner, it is possible to it avoids causing the sub- arm of force 121 disconnected due to welding leads to the sub- arm of force 121 and the rigidity of the junction of inner ring 110 increases It splits.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies Change, 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) 2 arm of force components (120) of the inner ring (110) periphery are connected to and；The arm of force component (120) includes 2 phases The mutual symmetrically arranged sub- arm of force (121), one end of 2 sub- arm of forces (121) are connected on the periphery of the inner ring (110), and 2 One end of the sub- arm of force (121) described in item connect with the center of the inner ring (110) formed by angle be right angle, 2 sub- arm of forces (121) the other end is connected.

2. spring according to claim 1, which is characterized in that in the arm of force component (120), 2 sub- arm of forces (121) maximum distance between point on is more than the maximum length of the inner ring (110).

3. 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 relatively described line of symmetry of the other end is：First the first value is gradually increased to, then be gradually decrease to second value, then by Third value is gradually increased to, is finally gradually decrease to zero.

4. spring according to claim 3, 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 the outer diameter equal to the inner ring (110).

6. spring according to claim 1, which is characterized in that from the connection inner ring (110) on the sub- arm of force (121) One end be disposed with the first bending section (122), the second bending section (123) and third bending section (124) to the other end, it is described The opening direction of first bending section (122), the third bending section (124) opening direction towards the line of symmetry, described The opening direction of two bending sections (123) deviates from the line of symmetry.

7. spring according to claim 6, which is characterized in that the opening angle of first bending section (122) is ranging from 30 °~60 °, ranging from 120 °~160 ° of the opening angle of second bending section (123), the third bending section (124) Ranging from 80 °~100 ° of opening angle.

8. spring according to claim 6, which is characterized in that the sub- arm of force (121) connects the one of the inner ring (110) The part of first bending section (122) is held to move closer to another arm of force component (120).

9. spring according to claim 3, which is characterized in that the other end of the sub- arm of force (121) is additionally provided with connection Portion (125), the length of the connecting portion (125) arrive half for 1/3rd of the third value.

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.