CN210041611U - Horizontal linear vibration motor structure - Google Patents
Horizontal linear vibration motor structure Download PDFInfo
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- CN210041611U CN210041611U CN201921061585.2U CN201921061585U CN210041611U CN 210041611 U CN210041611 U CN 210041611U CN 201921061585 U CN201921061585 U CN 201921061585U CN 210041611 U CN210041611 U CN 210041611U
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- linear vibration
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses a horizontal linear vibrating motor structure, including lower casing and upper housing, the upper housing is located the top of lower casing, and the intermediate position of lower casing top is connected with the circuit board, is connected with a plurality of coil on the circuit board, and the quality piece has still been placed to the top of lower casing, and the internal connection of quality piece has the magnet steel corresponding with the coil. The utility model discloses upper and lower casing material equals for magnetic material and thickness, and the distance of each direction between magnet steel and the upper and lower casing equals. The symmetrical structure enables the resultant force of the electromagnetic force of the movable part in all directions to be zero, and ensures that the spring is not subjected to other loads except the gravity in a static state, so that the motor runs stably and has a good service life; the mass block is divided into a large mass block and a small mass block, a blind hole structure is avoided, a structure which is difficult to form or poor in forming size is avoided on the premise that the weight of the moving part is guaranteed, and manufacturing feasibility is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of linear motor, concretely relates to horizontal linear vibration motor structure.
Background
The miniature vibration motor is an indispensable component of electronic products such as mobile phones, tablet computers, electronic toys and the like, and provides tactile feedback for users. Along with the competition of the smart phone market, mobile phone manufacturers pay more and more attention to the touch experience of users, and linear vibration motors different from traditional rotor motors appear in the market. Compared with the traditional rotor motor, the linear motor has great advantages in vibration characteristics, response time, service life, noise and the like, can provide various vibration modes, and provides abundant, diverse, fine and vivid tactile feedback for users. At present, the design schemes of different manufacturers of the X-axis horizontal vibration linear motor are different, and the motor has the advantages and the disadvantages in the characteristic. Some manufacturers have strong vibration sense of the motor, but have complex structure and difficult manufacturing, and other manufacturers have simple scheme structures but weak vibration sense. With the increase of magnetic parts of the smart phone and the continuous improvement of the electromagnetic interference requirement, only a motor with high performance vibration cannot meet the requirement of a customer, and the requirements of high vibration sense and low magnetic leakage are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a horizontal linear vibration motor structure to solve the problem that proposes among the above-mentioned background art. The utility model provides a pair of horizontal linear vibration motor structure has simple structure and the stronger characteristics of sense of vibration.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a horizontal linear vibrating motor structure, includes lower casing and upper housing, and the upper housing is located the top of lower casing, and the intermediate position of lower casing top is connected with the circuit board, is connected with a plurality of coil on the circuit board, and the quality piece has still been placed to the top of lower casing, and the internal connection of quality piece has the magnet steel corresponding with the coil.
The utility model discloses in furtherly, the both ends of quality piece pass through the spring leaf with the inner wall of upper housing and are connected.
The utility model discloses in furtherly, the position that the lower casing top corresponds the spring leaf still is connected with the stopper.
The utility model discloses in furtherly, the quality piece includes backup pad, little quality piece and big quality piece, and wherein, the both ends of backup pad are connected with big quality piece, are connected with a plurality of little quality pieces between two big quality pieces.
Further, the circuit board is a flexible structure.
The utility model discloses in furtherly, the thickness of lower casing and upper housing equals, and lower casing and upper housing are the magnetic conduction structure.
The utility model discloses in furtherly, the backup pad is for not leading magnetic structure.
The utility model discloses in furtherly, the spring leaf is metal construction or non-metal elastic construction.
The present invention further provides a method for implementing a horizontal linear vibration motor structure, comprising the steps of:
the lower shell and the upper shell form a shell for accommodating the internal structure;
the magnetic steel, the lower shell and the upper shell form a magnetic circuit to provide a motor driving magnetic field;
thirdly, the circuit board and the coil form a circuit, and when the circuit board is electrified, the electric field and the magnetic field interact with each other to drive the motor to vibrate along the X axis;
the mass block provides mass, so that a strong vibration sense can be provided when the motor vibrates;
the spring piece is connected with the mass block and the shell and provides elasticity to enable the motor to vibrate left and right in a reciprocating mode along the X axis;
and sixthly, limiting the maximum stroke of the motor under the mechanical impact conditions of falling, slight falling and the like by using a limiting block so as to ensure that the spring piece is not damaged and the service life of the motor is sharply reduced.
The utility model discloses in furtherly, the realization method of horizontal linear vibrating motor structure, the both ends of quality piece pass through the spring leaf with the inner wall of upper housing and are connected, the position that corresponds the spring leaf in lower casing top still is connected with the stopper, the quality piece includes backup pad, little quality piece and big quality piece, wherein, the both ends of backup pad are connected with big quality piece, be connected with a plurality of little quality pieces between two big quality pieces, the circuit board is flexible structure, the thickness of lower casing and upper housing equals, and lower casing and upper housing are magnetic conduction structure, the backup pad is magnetic conduction structure not, the spring leaf is metallic structure or non-metallic hard structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses upper and lower casing material equals for magnetic material and thickness, and the distance of each direction between magnet steel and the upper and lower casing equals. The symmetrical structure enables the resultant force of the electromagnetic force of the movable part in all directions to be zero, and ensures that the spring is not subjected to other loads except the gravity in a static state, so that the motor runs stably and has a good service life;
2. the mass block of the utility model is divided into a large mass block and a small mass block, thereby avoiding a blind hole structure, avoiding a structure which is difficult to form or has a poor forming size on the premise of ensuring the weight of a moving part, and greatly improving the manufacturing feasibility;
3. the support plate of the utility model is made of non-magnetic material, which can not cause asymmetry of the magnetic circuit and has higher structural strength;
4. the utility model can be widely popularized with three magnetic steel two coils, four magnetic steel three coils and the like;
5. the utility model discloses a quality piece and casing are connected to the both sides spring leaf that sets up, for the motion provides elasticity, make the motor along X axle left and right reciprocating vibration, limit the motor through the stopper that sets up falling, fall a little the maximum stroke under the mechanical shock condition such as the circumstances to guarantee that the spring can not receive the damage, and lead to the sharp reduction in motor life-span.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a mass block according to embodiment 2 of the present invention;
FIG. 4 is a schematic view of the magnetic induction lines of the two magnetic steel coils of the present invention;
fig. 5 is a schematic view of the magnetic induction lines of the three-magnet steel four-coil of the present invention;
in the figure: 1. a lower housing; 2. a circuit board; 3. a coil; 4. magnetic steel; 5. a mass block; 51. a support plate; 52. a small mass block; 53. a large mass block; 6. an upper housing; 7. a spring plate; 8. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 4, the present invention provides the following technical solutions: the utility model provides a horizontal linear vibrating motor structure, includes lower casing 1 and upper casing 6, and lower casing 1 and upper casing 6 pass through the buckle and connect, and upper casing 6 is located the top of lower casing 1, and there is circuit board 2 in the intermediate position of lower casing 1 top through screw connection, is connected with two coils 3 on the circuit board 2, and quality piece 5 has still been placed to the top of lower casing 1, and the internal connection of quality piece 5 has magnet steel 4 corresponding with coil 3.
Further, two ends of the mass 5 are connected with the inner wall of the upper housing 6 through spring pieces 7.
By adopting the technical scheme, elasticity is provided, and the motor can vibrate left and right in a reciprocating manner along the X axis.
Furthermore, a limiting block 8 is connected to the upper part of the lower casing 1 corresponding to the position of the spring piece 7.
By adopting the technical scheme, the maximum stroke of the motor under the mechanical impact conditions of falling, slight falling and the like is limited, so that the spring is prevented from being damaged, and the service life of the motor is shortened rapidly.
Further, the circuit board 2 is a flexible structure.
Further, the thickness of the lower casing 1 is equal to that of the upper casing 6, and the lower casing 1 and the upper casing 6 are magnetic structures.
By adopting the technical scheme, the lower shell 1 and the upper shell 6 are made of silicon steel sheets with high magnetic conductivity, so that more magnetic induction lines penetrate through the coil 3, the utilization rate of a magnetic field is improved, and the driving force of the motor is increased.
Further, the spring plate 7 is of a metal structure or a non-metal elastic structure.
Through above-mentioned technical scheme, spring plate 7 chooses stainless steel material for use in this embodiment.
Further, the utility model discloses a realization method of horizontal linear vibration motor structure, including following step:
the lower shell 1 and the upper shell 6 form an outer cavity for accommodating an inner structure;
the magnetic steel 4, the lower shell 1 and the upper shell 6 form a magnetic circuit to provide a motor driving magnetic field;
thirdly, the circuit board 2 and the coil 3 form a circuit, and when the circuit is electrified, an electric field and a magnetic field interact with each other to drive the motor to vibrate along the X axis;
the mass block 5 provides mass, so that a strong vibration sense can be provided when the motor vibrates;
the spring piece 7 is connected with the mass block 5 and the shell and provides elasticity to enable the motor to vibrate left and right in a reciprocating mode along the X axis;
and sixthly, the limiting block 8 limits the maximum stroke of the motor under the mechanical impact conditions of falling, slight falling and the like so as to ensure that the spring piece 7 cannot be damaged and the service life of the motor is sharply reduced.
Example 2
Referring to fig. 2-5, the present embodiment is different from embodiment 1 in that: the mass 5 comprises a support plate 51, small mass blocks 52 and large mass blocks 53, wherein the two ends of the support plate 51 are connected with the large mass blocks 53, a plurality of small mass blocks 52 are connected between the two large mass blocks 53, and the support plate 51 is of a non-magnetic structure.
Further, the utility model discloses a realization method of horizontal linear vibration motor structure, including following step:
the lower shell 1 and the upper shell 6 form a shell for accommodating an internal structure;
the magnetic steel 4, the lower shell 1 and the upper shell 6 form a magnetic circuit to provide a motor driving magnetic field;
thirdly, the circuit board 2 and the coil 3 form a circuit, and when the circuit is electrified, an electric field and a magnetic field interact with each other to drive the motor to vibrate along the X axis;
the large mass block 53 and the two small mass blocks 52 are fixed on the support plate 51, the two magnetic steels 4 are accommodated in the holes of the large mass block 53, and the two magnetic steels are combined to form a moving assembly of the motor, so that stronger vibration sense can be provided when the motor vibrates;
the spring piece 7 is connected with the mass block 5 and the shell and provides elasticity to enable the motor to vibrate left and right in a reciprocating mode along the X axis;
and sixthly, the limiting block 8 limits the maximum stroke of the motor under the mechanical impact conditions of falling, slight falling and the like so as to ensure that the spring piece 7 cannot be damaged and the service life of the motor is sharply reduced.
To sum up, the limiting block 8 and the coil 3 of the motor are fixedly connected to the lower casing 1 and are immovable parts, the magnetic steel 4 and the mass block 5 are movable parts, and after the motor is electrified (alternating current), due to the specially designed electromagnetic structure, the vibrator is subjected to left and right direction driving force which is periodically changed along the current direction, the spring piece 7 is connected with the mass block 5 and the casing to provide elasticity and supports the mass block 5 to reciprocate left and right along the X axis under the action of the electromagnetic force, so that the motor provides vibration tactile feedback to the outside; the utility model discloses still can promote wide three magnet steel two coils and four magnet steel three coils etc..
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A horizontal linear vibration motor structure, includes lower casing (1) and upper casing (6), its characterized in that: upper casing (6) are located the top of lower casing (1), and the intermediate position of lower casing (1) top is connected with circuit board (2), is connected with a plurality of coil (3) on circuit board (2), and quality piece (5) have still been placed to the top of lower casing (1), and the internal connection of quality piece (5) has magnet steel (4) corresponding with coil (3).
2. A horizontal linear vibration motor structure as set forth in claim 1, wherein: the two ends of the mass block (5) are connected with the inner wall of the upper shell (6) through spring pieces (7).
3. A horizontal linear vibration motor structure as set forth in claim 2, wherein: the position of the upper part of the lower shell (1) corresponding to the spring piece (7) is also connected with a limiting block (8).
4. A horizontal linear vibration motor structure as set forth in claim 3, wherein: the mass block (5) comprises a supporting plate (51), small mass blocks (52) and large mass blocks (53), wherein the two ends of the supporting plate (51) are connected with the large mass blocks (53), and a plurality of small mass blocks (52) are connected between the two large mass blocks (53).
5. The structure of a horizontal linear vibration motor according to claim 4, wherein: the circuit board (2) is of a flexible structure.
6. The structure of a horizontal linear vibration motor according to claim 5, wherein: the thickness of the lower casing (1) is equal to that of the upper casing (6), and the lower casing (1) and the upper casing (6) are of magnetic conduction structures.
7. The structure of a horizontal linear vibration motor according to claim 6, wherein: the supporting plate (51) is of a non-magnetic structure.
8. The structure of a horizontal linear vibration motor according to claim 7, wherein: the spring piece (7) is of a metal structure or a non-metal elastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061585.2U CN210041611U (en) | 2019-07-09 | 2019-07-09 | Horizontal linear vibration motor structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061585.2U CN210041611U (en) | 2019-07-09 | 2019-07-09 | Horizontal linear vibration motor structure |
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| CN210041611U true CN210041611U (en) | 2020-02-07 |
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| CN201921061585.2U Active CN210041611U (en) | 2019-07-09 | 2019-07-09 | Horizontal linear vibration motor structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429784A (en) * | 2019-07-09 | 2019-11-08 | 浙江省东阳市东磁诚基电子有限公司 | A kind of horizontal linearity vibrating motor structure and its implementation |
| CN112737267A (en) * | 2020-12-23 | 2021-04-30 | 阜南县特立电子有限公司 | Axial linear motor |
-
2019
- 2019-07-09 CN CN201921061585.2U patent/CN210041611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429784A (en) * | 2019-07-09 | 2019-11-08 | 浙江省东阳市东磁诚基电子有限公司 | A kind of horizontal linearity vibrating motor structure and its implementation |
| CN112737267A (en) * | 2020-12-23 | 2021-04-30 | 阜南县特立电子有限公司 | Axial linear motor |
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