CN106059240A - Elastic sheet assembly for vibration motors and linear vibration motor - Google Patents
Elastic sheet assembly for vibration motors and linear vibration motor Download PDFInfo
- Publication number
- CN106059240A CN106059240A CN201610382536.3A CN201610382536A CN106059240A CN 106059240 A CN106059240 A CN 106059240A CN 201610382536 A CN201610382536 A CN 201610382536A CN 106059240 A CN106059240 A CN 106059240A
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- Prior art keywords
- height
- shell fragment
- elastic arm
- elastic
- shaped
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses an elastic sheet assembly for vibration motors. The elastic sheet assembly comprises two V-shaped elastic sheets, wherein each V-shaped elastic sheet comprises two elastic arms; the elastic arms are flat and straight plate springs; the height of the elastic arms is equal to the height of the elastic sheets; arc-shaped gaps are formed in the elastic arms; a Z-axis direction avoiding groove is formed by the arc-shaped gaps; the two V-shaped elastic sheets are up-down fastened through the arc-shaped gaps; the V-shaped openings of the two V-shaped elastic sheets face opposite directions; after the two V-shaped elastic sheets are fastened, the height of the elastic sheet assembly is equal to the height of the elastic arms; and a U-shaped bend is arranged between the two elastic arms of each V-shaped elastic sheet. The elastic sheet assembly has the characteristics of being simple in structure, large in elastic force, small in occupied space volume and low in manufacturing cost.
Description
Technical field
The present invention relates to a kind of shell fragment assembly for vibrating motor, provide bullet for the mass for being arranged in motor
Power.
Background technology
Existing X-axis linear vibration motor includes upper casing, lower casing, in the sealing space being made up of upper lower casing, includes vibration
System and stator system, vibrational system is made up of mass and permanent magnet, washer, elastomer, and stator system is by FPCB and coil
Composition.Conventional vibration motor only one of which shell fragment, such as V-type, shell fragment one end welding shell, one end welding quality block, during vibration
There is the polarization problem of multiple directions.And easily there is the problem that stress is concentrated, single shell fragment restoring force is little in shell fragment.
To this end, occur in that the shell fragment design that structure is more complicated in prior art, the shell fragment after these improve solves quality
Block polarization problem, but simultaneously bring again new defect, cited several in the following patent of concrete condition:
In Chinese invention patent " linear vibration motor " (application number: 201610127478.X), disclose a kind of X-axis shake
Dynamic motor, is provided with elastic supporting member for supporting optical member in mass both sides, and this elastic supporting member for supporting optical member is overlooked V-shaped, comprises two elastic arms, elastic
Arm is arc shaped, two elastic arms be separately made after be assembled into V-type, assembly and connection end be intersect after connect, though this structure
Bigger elastic force so can be provided, but structure and manufacturing process are more complicated, when arranging two resilient support in mass side
During part, need to arrange up and down and take the height of two or more shell fragment, relatively big at the short transverse volume that takes up room, it is unfavorable for
The frivolous improvement of motor.
A kind of X is disclosed in Chinese invention patent " a kind of linear vibration motor " (application number: 201510835600.4)
Shaft vibration motor, is provided with elastic supporting member for supporting optical member in mass both sides, and this elastic supporting member for supporting optical member is broken line screw type, and two elasticity
Can intersect in Z-direction when support combination uses and dodge, only take up the height of an elastic supporting member for supporting optical member, although this structure
Bigger elastic force can be provided, but the biggest at length and the short transverse volume that takes up room, can not be bright in short transverse
Aobvious reduction, the most just loses and dodges function, and structure and manufacturing process are the most complicated, are unfavorable for miniaturization and the cost control of motor
System.
In Chinese invention patent " linear vibration motor " (application number: 201510835647.0), disclose a kind of X-axis shake
Dynamic motor, is provided with elastic supporting member for supporting optical member in mass both sides, and this elastic supporting member for supporting optical member is overlooked in V or W type, and elastic arm is in approximation S type
Arc shaped, when two elastic supporting member for supporting optical member are applied in combination can Z-direction intersect dodge, only take up an elastic supporting member for supporting optical member
Highly, although this structure can provide bigger elastic force, but relatively big at the short transverse volume that takes up room, and elastic arm
It is the most complicated that width is significantly less than the height of junction point, structure and manufacturing process, is unfavorable for miniaturization and the cost control of motor.
Summary of the invention
For the problems referred to above of the prior art, it is an object of the invention to provide a kind of shell fragment group for vibrating motor
Part, including two V-type shell fragments, elastic arm is provided with arc escape groove, and two V-type shell fragments can be in Z axis side when being applied in combination
Dodging to intersection, shell fragment bending part is U-shaped, using the teaching of the invention it is possible to provide bigger elastic force.
To achieve these goals, the present invention is by the following technical solutions:
For the shell fragment assembly of vibrating motor, including two V-type shell fragments, described V-type shell fragment is provided with two elastic arms, institute
Stating elastic arm is straight leaf spring, and the height of described elastic arm, equal to the height of described shell fragment, described elastic arm is provided with arc
Breach, described arc notch constitutes Z-direction escape groove, and two V-type shell fragments are fastened up and down by described arc notch, and V-type is opened
Mouth is towards on the contrary, and after fastening, the height of described shell fragment assembly is equal to the height of described elastic arm；Set between two described elastic arms
It is equipped with U-shaped bending.
Further, described V-type shell fragment is provided with welding plane in opening on described elastic arm, and described arc notch is long
Degree extends to described U-shaped bending part from described welding plane.
Further, it is provided with weld reinforcement block inside described welding plane.
Further, two described V-type shell fragments connect combination by opening, by adjacent welding plane in the way of identical
Being welded and fixed into a spring plate unit, two described spring plate units are fastened up and down by described arc notch, and V-type opening is towards phase
Instead, after fastening, the height of described shell fragment assembly is equal to the height of described elastic arm.
Further, the width of described U-shaped bending is less than or equal to the 60% of described elastic arm height, described U-shaped bending
Length is more than or equal to described elastic arm height.
Further, at described arc notch, the minimum constructive height of residual sheet metal is less than the 50% of described elastic arm height.
A kind of linear vibration motor, including the mass moved back and forth along X-direction, is provided with in described mass both sides
Shell fragment assembly recited above.
The shell fragment assembly using said structure to arrange has the advantage that
Compared to existing technology, the present invention has simple in construction, and elastic force is big, and the volume that takes up room is little, the spy of low cost of manufacture
Point.
Use the present invention vibrating motor, can sufficiently flatization, the most frivolous improvement.
Owing to the present invention is balanced support to mass, so using the vibrating motor of the present invention, mass will not occur
Polarization.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the vibrating motor that the present invention is applied；
Fig. 2 is the top view of the vibrating motor that the present invention is applied；
Fig. 3 is the exploded view of the vibrating motor that the present invention is applied；
Fig. 4 is the axonometric chart (without upper cover) of the vibrating motor that the present invention is applied；
Fig. 5 is the top view (without upper cover) of the vibrating motor that the present invention is applied；
Fig. 6 is the axonometric chart that the present invention is used a shell fragment；
Fig. 7 is the axonometric chart of the embodiment of the present invention 1；
Fig. 8 is the front view of the embodiment of the present invention 1；
Fig. 9 is the left view of the embodiment of the present invention 1；
Figure 10 is the top view of the embodiment of the present invention 1；
Figure 11 is the top view of the embodiment of the present invention 2.
In figure: 1. upper cover；2. go up washer plate；3. upper casing；4. mass；5. magnet unit；6. shell fragment；6-1. elastic arm；
6-2. welding plane；6-3.U type bending；7. coil unit；8. carrier unit；9.FPCB；10. limited block；11. times washer plates；
12. lower casings.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
Embodiment 1
As Fig. 6, Fig. 7, Fig. 8, Fig. 9 show one of embodiment of the present invention, in this embodiment, for the bullet of vibrating motor
Chip module, including two V-type shell fragments 6, V-type shell fragment 6 is provided with two elastic arm 6-1, and elastic arm 6-1 is straight leaf spring, elastic
The height of arm 6-1 is equal to the height of shell fragment 6, i.e. shown in H in Fig. 8.Arc notch, arc notch it is provided with on elastic arm 6-1
Constituting Z-direction escape groove, two V-type shell fragments 6 are fastened up and down by arc notch, V-type opening towards on the contrary, shell fragment after fastening
The height of the assembly height equal to elastic arm 6-1.
As shown in Fig. 6, Figure 10, between two elastic arm 6-1, it is provided with U-shaped bending 6-3.V-type shell fragment of the prior art,
The most V-shaped at bending part, do not have U-shaped bending big the resistance of resilient expansion, it is possible to the elastic force provided does not has U-shaped folding yet
Curved greatly.
As shown in Fig. 6, Figure 10, V-type shell fragment 6 is provided with welding plane 6-2 in opening on elastic arm 6-1, and arc lacks
Mouth length extends at U-shaped bending 6-3 from welding plane 6-2, and the length of such arc notch just can meet shell fragment 6 and shrink change
Do not interfere during shape.
More firm in order to allow shell fragment 6 weld, inside welding plane 6-2, it is provided with weld reinforcement block, is specifically referred to
Shown in Fig. 5.
The width (shown in the B in Figure 10) of U-shaped bending 6-3 is less than or equal to the 60% of elastic arm 6-1 height, U-shaped bending
Length (shown in the A in Figure 10) more than or equal to elastic arm 6-1 height, such size design can allow U-shaped bending 6-3 send out
Wave maximum function, it is provided that bigger elastic force.
At arc notch, the minimum constructive height of residual sheet metal is less than the 50% of elastic arm 6-1 height, the height of such arc notch
Degree just can meet when shell fragment 6 fastens and not interfere during contraction distortion.
Embodiment 2
As shown in figure 11, in this embodiment, two V-type shell fragments connect combination by opening in the way of identical, pass through
Adjacent welding plane 6-2 is welded and fixed into a spring plate unit, and two spring plate units are fastened up and down by arc notch, V-type
Opening is towards on the contrary, and after fastening, the height of shell fragment assembly is equal to the height of elastic arm 6-1.
Use such design can improve the elastic force of shell fragment assembly largely.
Embodiment 3
As shown in Fig. 3, Fig. 4, Fig. 5, in this embodiment, a kind of linear vibration motor, move back and forth including along X-direction
Mass 2, be provided with the shell fragment assembly described in embodiment 1 in mass 2 both sides, or, all right in mass 2 both sides
It is provided with the shell fragment assembly described in embodiment 2.
Owing to the height of shell fragment assembly is the least, thus vibrating motor can sufficiently flatization, the most frivolous improvement.
The foregoing is only embodiments of the present invention, be not intended to limit protection scope of the present invention.All in the present invention
Spirit and principle within made any modification, equivalent substitution and improvement, extension etc., be all contained in protection scope of the present invention
In.
Claims (7)
1., for the shell fragment assembly of vibrating motor, including two V-type shell fragments, described V-type shell fragment is provided with two elastic arms, described
Elastic arm is straight leaf spring, and the height of described elastic arm is equal to the height of described shell fragment, it is characterised in that set on described elastic arm
Being equipped with arc notch, described arc notch constitutes Z-direction escape groove, and two V-type shell fragments are detained up and down by described arc notch
Closing, V-type opening is towards on the contrary, and after fastening, the height of described shell fragment assembly is equal to the height of described elastic arm；Two described elasticity
U-shaped bending it is provided with between arm.
Shell fragment assembly the most according to claim 1, it is characterised in that described V-type shell fragment in opening at described elastic arm
On be provided with welding plane, described arc notch length extends to described U-shaped bending part from described welding plane.
Shell fragment assembly the most according to claim 2, it is characterised in that be provided with weld reinforcement inside described welding plane
Block.
Shell fragment assembly the most according to claim 2, it is characterised in that two described V-type shell fragments with opening towards identical
Mode connects combination, is welded and fixed into a spring plate unit by adjacent welding plane, and two described spring plate units pass through institute
Stating arc notch to fasten up and down, V-type opening is towards on the contrary, and after fastening, the height of described shell fragment assembly is equal to the height of described elastic arm
Degree.
Shell fragment assembly the most according to claim 1, it is characterised in that the width of described U-shaped bending is less than or equal to described
The 60% of elastic arm height, the length of described U-shaped bending is more than or equal to described elastic arm height.
Shell fragment assembly the most according to claim 1, it is characterised in that the minimum constructive height of residual sheet metal at described arc notch
Less than described elastic arm height 50%.
7. a linear vibration motor, it is characterised in that include the mass moved back and forth along X-direction, at described mass
Both sides are provided with the shell fragment assembly described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382536.3A CN106059240A (en) | 2016-06-01 | 2016-06-01 | Elastic sheet assembly for vibration motors and linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382536.3A CN106059240A (en) | 2016-06-01 | 2016-06-01 | Elastic sheet assembly for vibration motors and linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106059240A true CN106059240A (en) | 2016-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610382536.3A Pending CN106059240A (en) | 2016-06-01 | 2016-06-01 | Elastic sheet assembly for vibration motors and linear vibration motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631536A (en) * | 2018-07-16 | 2018-10-09 | 杨厚成 | A kind of support spring device for linear motor |
| WO2021248534A1 (en) * | 2020-06-12 | 2021-12-16 | 瑞声声学科技(深圳)有限公司 | Linear motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202737718U (en) * | 2012-07-30 | 2013-02-13 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN105406678A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN105406677A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN105406676A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN105553219A (en) * | 2016-03-07 | 2016-05-04 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN205792145U (en) * | 2016-06-01 | 2016-12-07 | 歌尔股份有限公司 | Shell fragment assembly and a kind of linear vibration motor for vibrating motor |
-
2016
- 2016-06-01 CN CN201610382536.3A patent/CN106059240A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202737718U (en) * | 2012-07-30 | 2013-02-13 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN105406678A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN105406677A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN105406676A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN105553219A (en) * | 2016-03-07 | 2016-05-04 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN205792145U (en) * | 2016-06-01 | 2016-12-07 | 歌尔股份有限公司 | Shell fragment assembly and a kind of linear vibration motor for vibrating motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631536A (en) * | 2018-07-16 | 2018-10-09 | 杨厚成 | A kind of support spring device for linear motor |
| WO2021248534A1 (en) * | 2020-06-12 | 2021-12-16 | 瑞声声学科技(深圳)有限公司 | Linear motor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |