CN108134500A - A kind of polygon spring and polygon vertical linearity vibrating motor - Google Patents

Abstract

The present invention provides a kind of polygon springs and polygon vertical linearity vibrating motor, are related to vertical linearity vibrating motor technical field.Polygon vertical linearity vibrating motor includes polygon spring, and polygon spring includes inner ring, outer shroud and the arm of force being connected between inner ring and outer shroud；Inner ring is loop configuration；The arm of force is Curved structure；Outer shroud is polygonized structure；At least one notch is offered on the inside of each edge of outer shroud, notch corresponds to the part that the outside ring convex of the arm of force go out.In vibration processes, polygon spring inner is not susceptible to interfere with each other polygon spring, so as to noise it is small, abrasion less, service life it is long.

Description

A kind of polygon spring and polygon vertical linearity vibrating motor

Technical field

The present invention relates to vertical linearity vibrating motor technical field, in particular to a kind of polygon spring and polygon Shape vertical linearity vibrating 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, and spring wear is very fast, and spring service life is shorter, causes motor service life shorter.

Invention content

The present invention provides a kind of polygon spring, vibration processes be less prone to interfere with each other, noise is smaller, abrasion is smaller, Service 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 polygon spring includes inner ring, outer shroud and the arm of force being connected between the inner ring and the outer shroud；

The inner ring is loop configuration；The arm of force is Curved structure；The outer shroud is polygonized structure；The outer shroud Each edge inside on offer at least one notch, the notch corresponds to the part that the arm of force is protruded to the outer shroud.

Further, the arm of force includes first end, second end and between the first end and the second end Multiple bending sections and multiple linkage sections, the first end be connected in the inner ring, the first end and the bending section it Between, connected by the linkage section between the two neighboring bending section, between the bending section and the second end, it is described Second end is connected on the outer shroud；The notch is opened in the position of the corresponding bending section.

Further, the quantity of the bending section be two, one of them described bending section protruded to the outer shroud and with The gap of the outer shroud is less than preset value, and the notch is opened in the corresponding position of the bending section protruded to the outer shroud.

Further, the opening direction of the two neighboring bending section is opposite.

Further, ranging from 30 °~90 ° of the opening angle of the bending section.

Further, the first end is connected to the middle part of the inner ring top.

Further, the second end is connected to the corner of the outer shroud.

Further, the both ends width of the arm of force is more than the width at the middle part of the arm of force.

Further, the polygon spring is coach spring or cone spring.

Second of technical solution provided by the invention：

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

The advantageous effect of polygon spring provided by the invention is：

1. offering at least one notch in each edge of the outer shroud, the notch corresponds to the arm of force to the outer shroud Protrusion part, in this way, polygon spring, in vibration processes, the part of the arm of force to the protrusion of the outer shroud is not easy to hit Hit the outer shroud, polygon spring inner is not susceptible to interfere with each other, so as to noise it is small, abrasion less, service life it is long.

It 2. the outer shroud is polygonized structure, can apply to well in polygon vertical linearity vibrating motor, improve The scarcity of form of springs, fills a hole in the market in existing vertical linearity vibrating motor.

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

Polygon vertical linearity vibrating motor employs above-mentioned polygon spring, and course of work noise is small, and vibration is stablized, Service 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 polygon spring that first embodiment of the invention provides.

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

Fig. 3 is the enlarged structure schematic diagram of middle part A.

Fig. 4 is the outline structural diagram of polygon vertical linearity vibrating motor that first embodiment of the invention provides.

Fig. 5 is the complete section structure diagram of polygon vertical linearity vibrating motor that first embodiment of the invention provides.

Icon：100- polygon springs；110- inner ring；111- circular through holes；120- outer shrouds；121- notches；The 130- arm of forces； 131- first ends；132- linkage sections；133- bending sections；134- second ends；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, dotted line represents the line of demarcation between each section in figure, the shape of each section is not required that completely with figure In it is consistent, the shape of each section only plays the effect of signal in figure.

A kind of polygon spring 100 is present embodiments provided, polygon spring 100 is cone spring.Polygon spring 100 is led Apply in polygon vertical linearity vibrating motor 200.Polygon spring 100 is formed by the way of punching molding.It is polygon Generally there are clouts after shaping for shape spring 100, before polygon spring 100 is mounted in motor, first cut away polygon Clout on spring 100.Polygon spring 100 include inner ring 110, outer shroud 120 and be connected to inner ring 110 and outer shroud 120 it Between the arm of force 130.

Specifically, inner ring 110 is loop configuration.In the present embodiment, the profile of inner ring 110 is quadrilateral structure (rectangular knot Structure).The middle part of inner ring 110 offers circular through hole 111, in this way, the corner of the profile of inner ring 110 is most wide, the profile of inner ring 110 The point midway on side is most narrow.The arm of force 130 is then connected to the middle part of 110 top of inner ring, that is, is connected to the two neighboring angle of inner ring 110 Position between portion, to improve the intensity of inner ring 110.

The middle part of inner ring 110 offers circular through hole 111, can mitigate weight and reduce internal stress.The wheel of inner ring 110 Wide corner is most wide, and inner ring 110 can be firmly welded on to polygon vertical linearity vibrating motor 200 using the corner of profile Housing 210 or vibration component 230 on, uniform force is unlikely to deform, comes off.The arm of force 130 is then connected to 110 top of inner ring Middle part can increase the intensity of inner ring 110, make full use of the surface area of inner ring 110.

In other embodiments, the shape of inner ring 110 can be regular or irregular, and inner ring 110 may be used also Think ellipse, polygon etc., the middle part of inner ring 110 corresponds to the through-hole for opening up the forms such as ellipse, polygon (such as rectangular).

Outer shroud 120 is polygonized structure.In the present embodiment, polygonized structure is quadrilateral structure (square structure).It is polygon The number of edges of shape structure is equal to the quantity of the arm of force 130, and side and the arm of force 130 of outer shroud 120 connect one to one.Specifically, the arm of force 130 It is connected to the corner of outer shroud 120.In such manner, it is possible to which the structure of polygon spring 100 is made more to stablize, random vibration can also weaken.

The surface area in the corner of outer shroud 120 is larger, can outer shroud 120 be firmly welded on housing 210 using the region Or on vibration component 230, and uniform force, it is unlikely to deform, comes off.

The interplanar at plane where inner ring 110 and 120 place of outer shroud is every being arranged in parallel.Plane where the arm of force 130 with There is certain angle between plane where outer shroud 120.The arm of force 130 from inner ring 110 to the direction of outer shroud 120 on, while into Laterally and vertical extension, extended distance of the arm of force 130 on vertical is the plane and 120 institute of outer shroud where inner ring 110 to row Plane between spacing.The plane mentioned here being transversely parallel to where inner ring 110, vertical vertical 110 place of inner ring Plane.

The arm of force 130 is Curved structure.Notch 121 there are one being opened up on the inside of each edge of outer shroud 120, notch 121 The part that the corresponding arm of force 130 is protruded to outer shroud 120.In this way, the effective length of the arm of force 130 is longer, the elasticity of polygon spring 100 And stroke is larger, also, polygon spring 100 is in vibration processes, due to the presence of notch 121, the arm of force 130 is to outer shroud The part of 120 protrusion will not be struck on outer shroud 120, will not be interfered with each other, so as to which noise is small, wear less, uses the longevity Life length.

Referring to Fig. 2, the arm of force 130 includes first end 131, second end 134 and positioned at first end 131 and second end 134 Between 2 bending sections 133 and 3 linkage sections 132, first end 131 be connected in inner ring 110, first end 131 and bending section It is connected between 133, between two neighboring bending section 133, between bending section 133 and second end 134 by linkage section 132, the Two ends 134 are connected on outer shroud 120.

Preferably, the opening direction of two neighboring bending section 133 is opposite.Ranging from 30 ° of the opening angle of bending section 133~ 90°.The opening angle of bending section 133 refers to 133 both ends of bending section respectively tangent line angulation, and bending section 133 is opened in other words The angle that mouth is unfolded.In this way, the internal stress of the arm of force 130 can not only be reduced, the vibrating fatigue service life is improved, and two neighboring Linkage section 132 maintains enough gaps, avoids the arm of force 130 in vibration processes, and two neighboring linkage section 132 interferes with each other, So as to reduce abrasion, reduce noise.

Second end 134 is connected to the corner of outer shroud 120, is kept between each bending section 133 and inner ring 110 or outer shroud 120 Certain gap, in this way, not only making the effective length of the arm of force 130 most in the confined space between inner ring 110 and outer shroud 120 Bigization, polygon spring 100 elasticity preferably, stroke it is larger, be also avoided that the arm of force 130 in vibration processes, bending section 133 with Inner ring 110 or outer shroud 120 interfere with each other, so as to reduce abrasion, reduce noise.

The both ends width of the arm of force 130 is more than the width at the middle part of the arm of force 130, the i.e. width of first end 131, second end 134 Width be all higher than the width of linkage section 132.Preferably, the width of second end 134 is at least 2 times of the width of linkage section 132. In this way, the arm of force 130 is in the structure type of big at both ends and small in middle on the whole, to improve the vibrating fatigue service life of the arm of force 130.First end 131 width, the width of second end 134 are maximum, can offset influence of the welding to the intensity of polygon spring 100.

Fig. 2 and Fig. 3 are please referred to, is protruded close to the bending section 133 of second end 134 to outer shroud 120 and between outer shroud 120 Gap is less than preset value, and notch 121 is opened in corresponding close to the position of the bending section 133 of second end 134.Here preset value is preferred It is preferably 0.2mm for the width close to the bending section 133 of second end 134 or preset value.The depth of notch 121 is preferably 0.05mm~0.10mm.The shape of notch 121 matches with the shape of corresponding bending section 133, preferably arc.

Exist in other embodiment, the quantity of notch 121, the quantity of bending section 133 can also have other selections, main basis The overall dimensions size of polygon spring 100 determines, such as the arm of force 130 includes 3 bending sections 133, then each edge of outer shroud 120 Above corresponding to open up 2 notches 121, each notch 121 corresponds to a bending section 133.

Each junction rounding off as possible on polygon spring 100, to reduce the internal stress of polygon spring 100, carries High vibration fatigue life is longer.

There are many select for the number of edges of polygon spring 100.In the present embodiment, polygon spring 100 is quadrangle spring (side Shape spring), corresponding, polygonized structure is quadrilateral structure square structure, corresponding, and the quantity of the arm of force 130 is four.At it In his embodiment, polygon spring 100 or triangle spring, pentagon spring, hexagon spring etc..Preferably, it is more Side shape structure is regular polygon, makes that polygon spring 100 is simple in structure, stress equalization.

Polygon spring 100 provided in this embodiment also is able to apply to polygon vertical linearity vibrating motor well In 200, improve the scarcity of form of springs in existing vertical linearity vibrating motor, fill a hole in the market.

Fig. 4 and Fig. 5 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 polygon bullet that are arranged in housing 210 Spring 100.

Stator module 220 is fixedly mounted on the inner wall of housing 210, and the outer shroud 120 of polygon spring 100 is welded on housing On 210 inner wall, inner ring 110 and the vibration component 230 of polygon spring 100 weld, and enable vibration component 230 with respect to housing 210 and stator module 220 vibrate.

In the present embodiment, polygon spring 100 is arranged on the top of vibration component 230, the outer shroud of polygon spring 100 120 are welded on the inner wall of 210 top of housing, and in other embodiments, polygon spring 100 can be arranged on vibration component 230 lower section, the outer shroud 120 of polygon spring 100 is welded on the inner wall of 210 lower section of housing, corresponding, can be to polygon The size of spring 100 is adaptively adjusted.

Number of edges (number of edges of housing 210), the number of edges of polygon spring 100 of polygon vertical linearity vibrating motor 200 are (outer The number of edges of ring 120) and the quantity three of the arm of force 130 it is equal.The each edge of polygon spring 100 and each edge of housing 210 It corresponds.

In other embodiments, the inner ring 110 of polygon spring 100 is welded on the inner wall of housing 210, polygon spring 100 outer shroud 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.

Polygon vertical linearity vibrating motor 200 provided in this embodiment employs above-mentioned polygon spring 100, work Process noise is small, and vibration is stablized, and service life is longer.

Second embodiment

A kind of polygon spring 100 is present embodiments provided, 100 structure of polygon spring provided with first embodiment Close, the difference lies in the polygon spring 100 in the present embodiment is coach spring.Specifically, polygon spring 100 is interior In ring 110, outer shroud 120 and the arm of force 130 are generally aligned in the same plane.

The present embodiment also provides a kind of polygon vertical linearity vibrating motor 200 using above-mentioned polygon spring 100.This In polygon spring 100 and the other structures and first embodiment of polygon vertical linearity vibrating motor 200 that embodiment provides Corresponding structure is identical, and 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 polygon spring, which is characterized in that the polygon spring includes inner ring (110), outer shroud (120) and connection The arm of force (130) between the inner ring (110) and the outer shroud (120)；

The inner ring (110) is loop configuration；The arm of force (130) is Curved structure；The outer shroud (120) is polygon knot Structure；At least one notch (121) is offered on the inside of each edge of the outer shroud (120), described in the notch (121) is corresponding The part that the arm of force (130) is protruded to the outer shroud (120).

2. polygon spring according to claim 1, which is characterized in that the arm of force (130) including first end (131), Second end (134) and multiple bending sections (133) between the first end (131) and the second end (134) and more A linkage section (132), the first end (131) are connected in the inner ring (110), the first end (131) and the bending Between portion (133), between the two neighboring bending section (133), between the bending section (133) and the second end (134) It is connected by the linkage section (132), the second end (134) is connected on the outer shroud (120)；The notch (121) It is opened in the position of the corresponding bending section (133).

3. polygon spring according to claim 2, which is characterized in that the quantity of the bending section (133) is two, In a bending section (133) protruded to the outer shroud (120) and be less than preset value, institute with the gap of the outer shroud (120) It states notch (121) and is opened in the corresponding position of the bending section (133) protruded to the outer shroud (120).

4. polygon spring according to claim 2, which is characterized in that the opening of the two neighboring bending section (133) Direction is opposite.

5. polygon spring according to claim 2, which is characterized in that the opening angle range of the bending section (133) It is 30 °~90 °.

6. polygon spring according to claim 2, which is characterized in that the first end (131) is connected to the inner ring (110) middle part of top.

7. polygon spring according to claim 2, which is characterized in that the second end (134) is connected to the outer shroud (120) corner.

8. polygon spring according to any one of claims 1 to 7, which is characterized in that the both ends of the arm of force (130) are wide Degree is more than the width at the middle part of the arm of force (130).

9. polygon spring according to any one of claims 1 to 7, which is characterized in that the polygon spring is flat bullet Spring or cone spring.

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 polygon spring.