CN109980886A - A kind of linear vibration motor with serpentine configuration spring leaf - Google Patents
A kind of linear vibration motor with serpentine configuration spring leaf Download PDFInfo
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- CN109980886A CN109980886A CN201910127939.7A CN201910127939A CN109980886A CN 109980886 A CN109980886 A CN 109980886A CN 201910127939 A CN201910127939 A CN 201910127939A CN 109980886 A CN109980886 A CN 109980886A
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- serpentine configuration
- spring leaf
- configuration spring
- mass block
- upper casing
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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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a kind of linear vibration motors with serpentine configuration spring leaf, including upper casing and lower casing, the stator module of mover assembly and cooperation corresponding with mover assembly is provided in upper casing and lower casing, mover assembly includes mass block, the both ends of mass block in X direction pass through serpentine configuration spring leaf and upper casing elastic connection respectively, serpentine configuration spring leaf is U-shaped, the opening of serpentine configuration spring leaf is greater than the width of mass block towards mass block and its opening width, the two sides of serpentine configuration spring leaf are connect with upper casing respectively, first connecting portion connection outstanding on the middle part of serpentine configuration spring leaf bottom surface and mass block.Serpentine configuration chip architecture of the spring of the invention is stablized, and coefficient of elasticity is stablized, and elastic force is larger, and weight is small, and the connective stability and high reliablity of serpentine configuration spring leaf and upper casing and mass block, to improve the vibrating effect and stability of motor.
Description
Technical field
The present invention relates to motor technologies field more particularly to a kind of linear vibration motors with serpentine configuration spring leaf.
Background technique
With the fast development of electronic product, especially in the mobile terminal devices such as mobile phone, tablet computer, these electronic equipments
Substantially have using vibration generating arrangement, for prevent the noise jamming from electronic device other people.Traditional vibration fills
It sets using based on the rotor motor being eccentrically rotated, it is to realize mechanical oscillation by the rotation of off-centred dipole, since bias is shaken
For son in rotary course, commutator and brush can generate mechanical friction and electric spark etc., will affect the revolving speed of off-centred dipole, into
And device vibrating effect is influenced, therefore, vibration generating arrangement mostly uses the better linear motor of performance.
Linear motor, also referred to as linear electric machine, line motor, pusher motor etc., most common linear motor type are plates
Formula, U-type groove formula and tubular type are a kind of technologies for converting electrical energy into linear motion mechanical energy, pass through the mutual expelling force of magnet
So that moving element is suspended, while the moving element is directly driven by magnetic force, without it is still necessary to via such as such as rotating motor
The transmission mechanisms such as gear set are driven, and therefore, the moving element that linear motor can enable it be driven carries out high acceleration, deceleration
It moves back and forth, by the characteristic, linear motor can be applied in different manufacture processing technique fields, and by as driving
Power source or as provide positioning technology contents.In addition, as semiconductor, electronics, photoelectricity, Medical Devices and automation are controlled
The fast development and keen competition of the industry such as system, the requirement of each field movenent performance linear for motor also increasingly increase, it is expected that
Motor has high speed, low noise and high position precision etc., therefore is used in both linear motor under many applications to replace
The mechanical motion mode such as traditional servo motor.
But existing some linear motors, elastic component therein is certain due to haveing the defects that in design, to lead
The problems such as elastic force is insufficient, stability is poor is caused, and then influences the vibrating effect and stability of motor.
Summary of the invention
The present invention above-mentioned existing linear motor there are aiming at the problem that, propose a kind of with the linear of serpentine configuration spring leaf
Vibrating motor.
In order to solve the above-mentioned technical problem, the following technical solutions are proposed by the present invention:
A kind of linear vibration motor with serpentine configuration spring leaf, including upper casing and lower casing, upper casing and lower machine
The stator module of mover assembly and cooperation corresponding with mover assembly is provided in shell, stator module is located at the lower section of mover assembly
And be fixed on lower casing, mover assembly includes mass block, and the both ends of mass block in X direction pass through serpentine configuration spring leaf respectively
With upper casing elastic connection, serpentine configuration spring leaf is U-shaped, the opening of serpentine configuration spring leaf towards mass block and its opening it is wide
Degree is greater than the width of mass block, and the two sides of serpentine configuration spring leaf are connect with upper casing respectively, the both ends of mass block in X direction
It is respectively arranged with first connecting portion outstanding, first connecting portion is connect with the middle part of serpentine configuration spring leaf bottom surface.
The beneficial effects of the present invention are: stator module provides active force for mover assembly, mass block by with two it is snakelike
Structure spring leaf matches to be vibrated in X direction, and serpentine configuration chip architecture of the spring is stablized, and coefficient of elasticity is stablized, and elastic force is larger,
Weight is small, and the two sides of serpentine configuration spring leaf are connect with upper casing respectively, the middle part of the bottom surface of serpentine configuration spring leaf
It is connect with the first connecting portion of mass block, in this way formation three point attachment, stability and high reliablity can guarantee mass block more
Stable vibration, to improve the vibrating effect and stability of motor.
In some embodiments, the first permanent magnet is provided on mass block, stator module includes and the first permanent magnet phase
The first coil of corresponding matching, first coil are connected to by FPC plate with external circuit, and FPC plate is fixed on lower casing.
In some embodiments, the first groove body for disposing the first permanent magnet is provided on mass block.
In some embodiments, the top of the first permanent magnet is connect by pole piece with mass block, and pole piece is arranged first
In groove body.
In some embodiments, the bottom of mass block is provided with the first escape groove matched with first coil, and first
Escape groove is connected to the first groove body.
In some embodiments, the first escape groove runs through mass block in X direction.
In some embodiments, second connect with upper casing is respectively arranged on the two sides of serpentine configuration spring leaf
Interconnecting piece is provided with the those widened sections of cooperation corresponding with first connecting portion in the middle part of serpentine configuration spring leaf bottom surface.
In some embodiments, the upper end of those widened sections is connect with first connecting portion, the lower end of those widened sections and the first evacuation
Slot is corresponding and is provided with the buffer stopper matched with stator module.
In some embodiments, the both ends in upper casing in X direction are respectively arranged with matches with serpentine configuration spring leaf
The limited block of conjunction, two serpentine configuration spring leafs and mover assembly are positioned between the two limiting blocks.
In some embodiments, limited block is in several fonts.
It is all to be not specifically noted in addition, in the technical solution of the present invention, it can be by using the conventional hand in this field
Section realizes the technical program.
Detailed description of the invention
Fig. 1 is a kind of stereogram exploded view of the linear vibration motor with serpentine configuration spring leaf of the present invention.
Fig. 2 is a kind of first cross-sectional view of the linear vibration motor with serpentine configuration spring leaf of the present invention.
Fig. 3 is a kind of second cross-sectional view of the linear vibration motor with serpentine configuration spring leaf of the present invention.
Fig. 4 is that a kind of linear vibration motor with serpentine configuration spring leaf of the present invention removes the structural representation after upper casing
Figure.
Fig. 5 is the structural schematic diagram of mass block of the present invention.
Fig. 6 is the structural schematic diagram of serpentine configuration spring leaf of the present invention.
Numbering in the drawing explanation, upper casing 1, lower casing 2, mover assembly 3, mass block 31, first connecting portion 311, first
Groove body 312, the first escape groove 313, the first permanent magnet 32, pole piece 33, stator module 4, first coil 41, FPC plate 42, snakelike knot
Structure spring leaf 5, second connecting portion 51, those widened sections 52, buffer stopper 6, limited block 7.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.Furthermore it should be noted that term " lower section ", " one end ", " both ends ", " top ", " bottom ", "inner",
The orientation or positional relationship of the instructions such as "outside", "horizontal", "vertical" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the element of indication or suggestion meaning must have a particular orientation or with
Specific orientation construction and operation, therefore be not considered as limiting the invention, term " first ", " second " etc. are only used for retouching
Purpose is stated, relative importance is not understood to indicate or imply.
Embodiment:
A kind of linear vibration motor with serpentine configuration spring leaf, as shown in figs. 1 to 6, including upper casing 1 and lower casing
2, usual upper casing 1 and lower casing 2 are welded to connect, be provided in upper casing 1 and lower casing 2 mover assembly 3 and with mover assembly 3
The stator module 4 of corresponding cooperation, stator module 4 are located at the lower section of mover assembly 3 and are fixed on lower casing 2.Mover assembly 3
Including mass block 31, mass block 31 is also referred to as balance weight, vibrating mass, clump weight etc., and the both ends of mass block 31 in X direction pass through respectively
Serpentine configuration spring leaf 5 and 1 elastic connection of upper casing, serpentine configuration spring leaf 5 is U-shaped, is capable of increasing bullet by serpentine configuration
The elastic force of spring, and stable structure, weight are small, the opening of serpentine configuration spring leaf 5 towards mass block 31 and its opening width it is big
In the width of mass block 31, the two sides of serpentine configuration spring leaf 5 are connect with upper casing 1 respectively, mass block 31 in X direction two
End is respectively arranged with first connecting portion 311 outstanding, and first connecting portion 311 is connect with the middle part of 5 bottom surface of serpentine configuration spring leaf,
The mode of welding is generallyd use, mass block 31 is suspended in upper casing 1 by two such serpentine configuration spring leaf 5, and it is firm to connect,
In mass block 31 in X direction vibration processes, serpentine configuration spring leaf 5 has buffer protection and provides the vibration of mass block 31
The effect of restoring force guarantees that motor steadily vibrates.
In the present invention, as shown in Figure 2 and Figure 3, X-direction, Y-direction and Z-direction are given, X-direction and Y-direction are level
The vertical and horizontal in direction, the direction of vibration of X-direction, that is, mover assembly 3, Z-direction, that is, vertical direction, "upper", "lower" etc. in text
All be using Z-direction as benchmark for.
In the use of the present invention, stator module 4 and mover assembly 3 cooperate, make mover assembly 3 by certain effect
Power, mass block 31 are vibrated in X direction by matching with two serpentine configuration spring leafs 5,5 structure of serpentine configuration spring leaf
Stablize, coefficient of elasticity is stablized, and elastic force is larger, and weight is small, and the two sides of serpentine configuration spring leaf 5 connect with upper casing 1 respectively
Connect, the middle part of the bottom surface of serpentine configuration spring leaf 5 is connect with the first connecting portion 311 of mass block 31, three point attachment stability and
High reliablity can reduce the swing of spring, guarantee that mass block 31 is more stable and vibrated in X direction, to improve
The vibrating effect and stability of motor.
Further, as shown in Fig. 2, being provided with the first permanent magnet 32 on mass block 31, stator module 4 include with first forever
The first coil 41 of the corresponding cooperation of magnet 32, first coil 41 are connected to by FPC plate 42 with external circuit, and FPC plate 42 is fixed
On lower casing 2, usual FPC plate 42 is adhesive on lower casing 2, and the lead and flexible circuit board of first coil 41 are welded to connect.
When in use, external circuit is the power supply of first coil 41 by FPC plate 42, and the first coil 41 after energization is in the first permanent magnet 32
By Ampere force in the magnetic field of generation, since first coil 41 is fixed, so the first permanent magnet 32 is by corresponding anti-work
Firmly, so that mover assembly 3 be made to be vibrated in X direction, and the current waveform by adjusting first coil 41 can change
The frequency and amplitude that mover assembly 3 vibrates, so as to generate different vibration senses, vibration sense is abundant, realizes a variety of different tactiles
Feedback improves the application range of motor convenient for being applied to the power source of smart machine touch feedback.
In addition, it should be noted that, flexible circuit board, that is, Flexible Printed Circuit, abbreviation FPC, it be with
Polyimides or polyester film be it is a kind of with high reliability and excellent flexible printed circuit board made of substrate,
Have the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good；Permanent magnet refers to and can retain for a long time under open-circuit condition
The magnet of higher remanent magnetism, also referred to as hard magnetic body, such as the permanent magnet made of ferrite permanent-magnet materials or by magnet steel etc., preferably magnetic
Steel, magnet steel have the characteristics that high rigidity, coercivity value height, high temperature resistant, corrosion resistance are strong, and magnetic property is preferable, is saturated
After magnetization, remain to keep relatively strong and stable magnetism after removing external magnetic field in for a long time.
Further, as shown in Fig. 2, Fig. 3, Fig. 5, first for disposing the first permanent magnet 32 is provided on mass block 31
Groove body 312, the first permanent magnet 32 is usually adhesive on the first groove body 312 of mass block 31, easy to operate, connects firm, structure
Compact, stability is good.
Further, as shown in Figure 2 and Figure 3, the top of the first permanent magnet 32 is connect by pole piece 33 with mass block 31, pole
Piece 33 is arranged in the first groove body 312, and pole piece 33 is not produced magnetic field usually by itself, magnetize line of force transmission is soft in magnetic circuit
Magnetic material is made, it can constrain induction coil leakage field to external diffusion, have the function of gathering magnetic field, improves the effect that induction is added
Rate, to improve the utilization efficiency of magnetic induction line, i.e. the utilization efficiency of energy.
Further, as shown in Fig. 2, Fig. 3, Fig. 5, the bottom of mass block 31 is provided with matched with first coil 41
One escape groove 313, the first escape groove 313 are connected to the first groove body 312, are convenient for the first permanent magnet 32 being placed in the first slot in this way
On body 312, and mass block 31, in vibration processes in X direction, first coil 41 is always positioned in the first escape groove 313, knot
Structure is more compact, more stable, reliable.
Further, as shown in Fig. 2, Fig. 5, the first escape groove 313 runs through mass block 31 in X direction, in this way can not only
More preferably stator module 4 is avoided, and can reduce the weight of quality, it is more stable, reliable.
Further, as figures 2-6, it is respectively arranged on the two sides of serpentine configuration spring leaf 5 and connects with upper casing 1
The second connecting portion 51 connect, be provided in the middle part of 5 bottom surface of serpentine configuration spring leaf cooperation corresponding with first connecting portion 311 plus
Wide portion 52, those widened sections 52 increase the connection area of serpentine configuration spring leaf 5 Yu mass block 31, and connection is more firm, firm.
Further, as figures 2-6, the upper end of those widened sections 52 is connect with first connecting portion 311, under those widened sections 52
It holds corresponding with the first escape groove 313 and is provided with the buffer stopper 6 matched with stator module 4, buffer stopper 6, which is usually adhesive in, to be added
The lower end in wide portion 52, mass block 31 in vibration processes in X direction, by buffer stopper 6 can prevent mass block 31 directly with
Stator module 4 touches, thus play the role of buffer protection, it is safer and more reliable.In addition, the material of buffer stopper 6 be rubber,
One of polyurethane or foam, rubber have many advantages, such as that elasticity is good, intensity is high, cheap, and polyurethane is with higher soft
The advantages that Qu Xing, resilience, mechanical strength and oxidation stability and excellent oil resistivity, foam have elastic, light-weight, fast
The advantages that quick fixation of ram compression, easy to use, bending are freely, volume is ultra-thin, reliable performance.
Further, as shown in Figure 2, Figure 4 shows, the both ends in upper casing 1 in X direction are respectively arranged with and serpentine configuration spring
The limited block 7 that piece 5 matches, two serpentine configuration spring leafs 5 and mover assembly 3 are located between two limited blocks 7, usually limit
Block 7 is welded on the inside of upper casing 1.In use, when mover assembly 3 is vibrated in X direction, pass through 7 energy of limited block
Enough peak swings for preferably limiting mover assembly 3, prevent serpentine configuration spring leaf 5 from touching the inner wall of upper casing 1, to make this
Motor is safer and more reliable.
Further, as shown in Figure 2, Figure 4 shows, limited block 7 be in several fonts, limited block 7 can by metal plate bending, processing and
At not only processing, easy to assembly in this way but also can reduce the weight of limited block 7.
Above-described is only some embodiments of the present invention, it should be appreciated that the ordinary skill people of this field
For member, without departing from the concept of the premise of the invention, it can also be improved according to the above description or be exchanged, and be owned
These are improved and exchange should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of linear vibration motor with serpentine configuration spring leaf, which is characterized in that including upper casing (1) and lower casing
(2), mover assembly (3) and corresponding with the mover assembly (3) is provided in the upper casing (1) and the lower casing (2)
The stator module (4) of cooperation, the stator module (4) are located at the lower section of the mover assembly (3) and are fixed on lower casing (2)
On, the mover assembly (3) includes mass block (31), and the both ends of the mass block (31) in X direction pass through serpentine configuration respectively
Spring leaf (5) and the upper casing (1) elastic connection, the serpentine configuration spring leaf (5) is U-shaped, the serpentine configuration spring
The opening of piece (5) is greater than the width of the mass block (31), the snakelike knot towards the mass block (31) and its opening width
The two sides of structure spring leaf (5) are connect with the upper casing (1) respectively, and the both ends of the mass block (31) in X direction are set respectively
It is equipped with first connecting portion outstanding (311), in the first connecting portion (311) and serpentine configuration spring leaf (5) bottom surface
Portion's connection.
2. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 1, which is characterized in that described
It is provided on mass block (31) the first permanent magnet (32), the stator module (4) includes opposite with first permanent magnet (32)
The first coil (41) that should cooperate, the first coil (41) are connected to by FPC plate (42) with external circuit, the FPC plate
(42) it is fixed on the lower casing (2).
3. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 2, which is characterized in that described
The first groove body (312) for disposing first permanent magnet (32) is provided on mass block (31).
4. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 3, which is characterized in that described
The top of first permanent magnet (32) is connect by pole piece (33) with the mass block (31), and the pole piece (33) is arranged described the
In one groove body (312).
5. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 3, which is characterized in that described
The bottom of mass block (31) is provided with the first escape groove (313) matched with the first coil (41), first evacuation
Slot (313) is connected to first groove body (312).
6. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 5, which is characterized in that described
First escape groove (313) runs through the mass block (31) in X direction.
7. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 6, which is characterized in that described
The second connecting portion (51) connecting with the upper casing (1) is respectively arranged on the two sides of serpentine configuration spring leaf (5), it is described
The those widened sections (52) of cooperation corresponding with the first connecting portion (311) are provided in the middle part of serpentine configuration spring leaf (5) bottom surface.
8. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 7, which is characterized in that described
The upper end of those widened sections (52) is connect with the first connecting portion (311), the lower end of the those widened sections (52) and first evacuation
Slot (313) is corresponding and is provided with the buffer stopper (6) matched with the stator module (4).
9. according to claim 1 to a kind of linear oscillator horse with serpentine configuration spring leaf described in any claim in 8
It reaches, which is characterized in that the both ends in the upper casing (1) in X direction are respectively arranged with and serpentine configuration spring leaf (5) phase
The limited block (7) of cooperation, two serpentine configuration spring leafs (5) and the mover assembly (3) are located at two limited blocks
(7) between.
10. a kind of linear vibration motor with serpentine configuration spring leaf according to claim 9, which is characterized in that institute
Limited block (7) are stated in several fonts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127939.7A CN109980886A (en) | 2019-02-20 | 2019-02-20 | A kind of linear vibration motor with serpentine configuration spring leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127939.7A CN109980886A (en) | 2019-02-20 | 2019-02-20 | A kind of linear vibration motor with serpentine configuration spring leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109980886A true CN109980886A (en) | 2019-07-05 |
Family
ID=67077156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910127939.7A Withdrawn CN109980886A (en) | 2019-02-20 | 2019-02-20 | A kind of linear vibration motor with serpentine configuration spring leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109980886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872410A (en) * | 2021-10-18 | 2021-12-31 | 浙江省东阳市东磁诚基电子有限公司 | Motor with wave-shaped elastic sheet structure and implementation method thereof |
-
2019
- 2019-02-20 CN CN201910127939.7A patent/CN109980886A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872410A (en) * | 2021-10-18 | 2021-12-31 | 浙江省东阳市东磁诚基电子有限公司 | Motor with wave-shaped elastic sheet structure and implementation method thereof |
| CN113872410B (en) * | 2021-10-18 | 2023-04-18 | 浙江省东阳市东磁诚基电子有限公司 | Motor with wave-shaped elastic sheet structure and implementation method thereof |
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Application publication date: 20190705 |