CN213185848U - Novel linear vibration motor - Google Patents
Novel linear vibration motor Download PDFInfo
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- CN213185848U CN213185848U CN202022384675.4U CN202022384675U CN213185848U CN 213185848 U CN213185848 U CN 213185848U CN 202022384675 U CN202022384675 U CN 202022384675U CN 213185848 U CN213185848 U CN 213185848U
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Abstract
The utility model relates to a novel linear vibration motor, which comprises a shell, a FPC, a stator component and a vibrator component; the stator assembly and the vibrator assembly are arranged in the shell; the stator assembly comprises a first coil and a second coil; the vibrator component comprises a mass block, a first pole piece, a second pole piece, a magnetic steel group, a first spring piece and a second spring piece; the first coil and the second coil are connected in parallel and fixed through the FPC, and the FPC penetrates out of the shell; a first through groove is formed in the center of the mass block; eight second through grooves for mounting magnetic steel are formed in the mass block; eight pieces of magnetic steel are arranged in the corresponding second through grooves; the first coil and the second coil work in cooperation with corresponding magnetic steel; the upper side and the lower side of the mass block are fixedly provided with a first pole piece and a second pole piece which are connected with the magnetic steel; the first spring piece and the second spring piece are respectively arranged on the left side and the right side of the mass block. The utility model discloses can have higher vibration efficiency and vibration effect in effective space.
Description
Technical Field
The utility model relates to a novel linear vibration motor.
Background
The linear vibration motor is generally implemented by a cam or by an electromagnetic field. The linear vibration motor for realizing vibration by utilizing the electromagnetic field is mainly characterized in that a magnet is erected on the air by a metal elastic sheet, then a coil is wound and fixed on a shell, the coil is electrified to generate a magnetic field, and the magnetic field and the magnet in the middle generate acting force to move back and forth to generate vibration. Compared with a cam-type linear vibration motor, the linear motor is smaller in size and stronger in vibration sense, and therefore the linear motor is widely applied to 3C electronic equipment, such as mobile phones, ipads, intelligent bracelets, intelligent handrails, AR/VR, intelligent earphones (headsets) and other 3C intelligent electronic products.
Meanwhile, with the continuous upgrading of 3C intelligent electronic products, the installation space reserved for the linear vibration motor is smaller and smaller. Therefore, it is always the direction of research and development to develop a linear motor with higher vibration efficiency in an effective installation space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vibration is efficient, vibrates effectual novel linear vibrating motor.
Realize the utility model discloses the technical scheme of purpose is: the utility model is provided with a shell, a FPC, a stator component and a vibrator component; the stator assembly and the vibrator assembly are arranged in the shell; the stator assembly comprises a first coil and a second coil; the vibrator component comprises a mass block, a first pole piece, a second pole piece, a magnetic steel group, a first spring piece and a second spring piece; the first coil and the second coil are connected in parallel and fixed through an FPC (flexible printed circuit), the FPC is fixedly connected to the inner wall of the shell, and the FPC penetrates out of the shell; a first through groove into which the first coil and the second coil can be inserted is formed in the center of the mass block; the magnetic steel group comprises eight pieces of magnetic steel; eight second through grooves for mounting magnetic steel are formed in the mass block; the eight second through grooves are respectively and symmetrically arranged on two sides of the first through groove in a group of four second through grooves; eight pieces of magnetic steel are arranged in the corresponding second through grooves; the first coil and the second coil are arranged in the first through groove, the front side of the first coil is correspondingly matched with the two magnetic steels on one side of the first through groove, the rear side of the first coil is correspondingly matched with the two magnetic steels on the other side of the first through groove, the front side of the second coil is correspondingly matched with the other two magnetic steels on one side of the first through groove, and the rear side of the second coil is correspondingly matched with the other two magnetic steels on the other side of the first through groove; a first pole piece and a second pole piece are fixedly arranged on the upper side and the lower side of the mass block; the first pole piece and the second pole piece are both connected with the magnetic steel; the first spring piece and the second spring piece are respectively arranged at the left end and the right end of the mass block; both ends of the first spring piece and both ends of the second spring piece are respectively fixedly connected with the mass block and the shell.
The first spring piece and the second spring piece are the same in shape; the first spring piece and the second spring piece are C-shaped; one end of the first spring piece is fixedly connected to the front surface of the mass block, and the other end of the first spring piece spans across the left end of the mass block and is fixedly connected with the inner wall of the shell, which faces the rear surface of the mass block; one end of the second spring piece is fixedly connected to the rear surface of the mass block, and the other end of the second spring piece spans across the right end of the mass block and is fixedly connected with the inner wall of the shell, which faces the front surface of the mass block.
The first spring piece and the second spring piece respectively comprise a first connecting part, an elastic part and a second connecting part which are connected into a whole; the first connecting part is fixedly connected with the mass block, and the second connecting part is fixedly connected with the shell; the elastic part is connected with the first connecting part and the second connecting part; the width of the elastic part gradually becomes wider from the middle to both ends.
The elastic part is provided with an arc notch; the lower part of the arc-shaped notch is positioned in the middle of the elastic part.
Go up all fixedly on first connecting portion and the second connecting portion be equipped with the enhancement piece.
The utility model discloses has positive effect: (1) the utility model discloses an interact of eight magnet steels, first coil and second coil can greatly increased vibration efficiency, can realize stronger vibration feedback under same energy consumption.
(2) The utility model discloses the mode of well first spring leaf and second spring leaf connection quality piece and casing can let the quality piece more stable in its vibration position promptly, provides probably for the installation space of vibrator subassembly moreover (promptly under the prerequisite of guaranteeing the volume, can realize the coexistence of eight magnet steels).
(3) The utility model discloses the design of well elasticity portion can play fine resilience effect.
(4) The utility model discloses a reinforcing piece can guarantee the indeformable of first connecting portion and second connecting portion, can enough strengthen the connection life-span of first connecting portion and second connecting portion, can let the deformation action concentrate on elasticity portion moreover, utilizes the structural design of elasticity portion to realize better vibration effect.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic structural view of a mass block of the present invention;
fig. 5 is a schematic structural view of the middle spring piece of the present invention.
Detailed Description
Referring to fig. 1 to 5, the present invention has a housing 1, a FPC2, a stator assembly 3 and a vibrator assembly 4; the stator assembly 3 and the vibrator assembly 4 are both arranged in the shell 1; the stator assembly 3 comprises a first coil 31 and a second coil 32; the vibrator assembly 4 comprises a mass block 41, a first pole piece 42, a second pole piece 43, a magnetic steel group 44, a first spring piece 45 and a second spring piece 46; the first coil 31 and the second coil 32 are connected in parallel and fixed through an FPC2, an FPC2 is fixedly connected to the inner wall of the shell 1, and an FPC2 penetrates out of the shell 1; a first through slot 411 for inserting the first coil 31 and the second coil 32 is formed in the center of the mass block 41; the magnetic steel group 44 comprises eight pieces of magnetic steel; eight second through grooves 412 for mounting magnetic steel are arranged on the mass block 41; the eight second through grooves 412 are symmetrically arranged on two sides of the first through groove 411 in a group of four; eight pieces of magnetic steel are arranged in the corresponding second through grooves 412; the first coil 31 and the second coil 32 are arranged in the first through groove 411, the front side of the first coil 31 is correspondingly matched with two magnetic steels on one side of the first through groove 411, the rear side of the first coil 31 is correspondingly matched with two magnetic steels on the other side of the first through groove 411, the front side of the second coil 32 is correspondingly matched with the other two magnetic steels on one side of the first through groove 411, and the rear side of the second coil 32 is correspondingly matched with the other two magnetic steels on the other side of the first through groove 411; a first pole piece 42 and a second pole piece 43 are fixedly arranged on the upper side and the lower side of the mass block 41; the first pole piece 42 and the second pole piece 43 are both connected with magnetic steel; the first spring piece 45 and the second spring piece 46 are respectively arranged at the left end and the right end of the mass block 41; both ends of the first spring plate 45 and both ends of the second spring plate 46 are fixedly connected to the mass block 41 and the housing 1, respectively.
The first spring piece 45 and the second spring piece 46 have the same shape; the first spring piece 45 and the second spring piece 46 are C-shaped; one end of the first spring plate 45 is fixedly connected to the front surface of the mass block 41, and the other end of the first spring plate 45 crosses over the left end of the mass block 41 and is fixedly connected with the inner wall of the shell 1, which faces the rear surface of the mass block 41; one end of the second spring plate 46 is fixedly connected to the rear surface of the mass 41, and the other end of the second spring plate 46 crosses over the right end of the mass 41 and is fixedly connected to the inner wall of the housing 1 facing the front surface of the mass 41.
The first spring piece 45 and the second spring piece 46 respectively comprise a first connecting part 4-1, an elastic part 4-3 and a second connecting part 4-2 which are connected into a whole; the first connecting part 4-1 is fixedly connected with the mass block 41, and the second connecting part 4-2 is fixedly connected with the shell 1; the elastic part 4-3 is connected with the first connecting part 4-1 and the second connecting part 4-2; an arc-shaped notch 4-4 is arranged on the elastic part 4-3; the lower portion of the arc-shaped notch 4-4 is located at the middle of the elastic portion 4-3. And reinforcing sheets 5 are fixedly arranged on the first connecting part 4-1 and the second connecting part 4-2.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The novel linear vibration motor is provided with a shell (1), an FPC (2), a stator assembly (3) and a vibrator assembly (4); the stator assembly (3) and the vibrator assembly (4) are both arranged in the shell (1); the method is characterized in that: the stator assembly (3) comprises a first coil (31) and a second coil (32); the vibrator assembly (4) comprises a mass block (41), a first pole piece (42), a second pole piece (43), a magnetic steel group (44), a first spring piece (45) and a second spring piece (46); the first coil (31) and the second coil (32) are connected in parallel and fixed through the FPC (2), the FPC (2) is fixedly connected to the inner wall of the shell (1), and the FPC (2) penetrates out of the shell (1); a first through groove (411) for inserting the first coil (31) and the second coil (32) is formed in the center of the mass block (41); the magnetic steel group (44) comprises eight pieces of magnetic steel; eight second through grooves (412) for mounting magnetic steel are formed in the mass block (41); the eight second through grooves (412) are respectively and symmetrically arranged on two sides of the first through groove (411) in a group of four; eight pieces of magnetic steel are arranged in the corresponding second through grooves (412); the first coil (31) and the second coil (32) are arranged in the first through groove (411), the front side of the first coil (31) is correspondingly matched with two magnetic steels on one side of the first through groove (411), the rear side of the first coil (31) is correspondingly matched with two magnetic steels on the other side of the first through groove (411), the front side of the second coil (32) is correspondingly matched with the other two magnetic steels on one side of the first through groove (411), and the rear side of the second coil (32) is correspondingly matched with the other two magnetic steels on the other side of the first through groove (411); a first pole piece (42) and a second pole piece (43) are fixedly arranged on the upper side and the lower side of the mass block (41); the first pole piece (42) and the second pole piece (43) are connected with the magnetic steel; the first spring piece (45) and the second spring piece (46) are respectively arranged at the left end and the right end of the mass block (41); both ends of the first spring piece (45) and both ends of the second spring piece (46) are respectively fixedly connected with the mass block (41) and the shell (1).
2. The novel linear vibration motor of claim 1, wherein: the first spring piece (45) and the second spring piece (46) are the same in shape; the first spring piece (45) and the second spring piece (46) are C-shaped; one end of the first spring piece (45) is fixedly connected to the front surface of the mass block (41), and the other end of the first spring piece (45) spans across the left end of the mass block (41) and is fixedly connected with the inner wall of the shell (1) opposite to the rear surface of the mass block (41); one end of the second spring piece (46) is fixedly connected to the rear surface of the mass block (41), and the other end of the second spring piece (46) spans the right end of the mass block (41) and is fixedly connected with the inner wall of the shell (1) opposite to the front surface of the mass block (41).
3. The novel linear vibration motor of claim 2, wherein: the first spring piece (45) and the second spring piece (46) respectively comprise a first connecting part (4-1), an elastic part (4-3) and a second connecting part (4-2) which are connected into a whole; the first connecting part (4-1) is fixedly connected with the mass block (41), and the second connecting part (4-2) is fixedly connected with the shell (1); the elastic part (4-3) is connected with the first connecting part (4-1) and the second connecting part (4-2); the width of the elastic part (4-3) gradually becomes wider from the middle to the two ends.
4. The novel linear vibration motor of claim 3, wherein: an arc-shaped notch (4-4) is arranged on the elastic part (4-3); the lower part of the arc-shaped notch (4-4) is positioned in the middle of the elastic part (4-3).
5. The novel linear vibration motor according to claim 3 or 4, characterized in that: and the first connecting part (4-1) and the second connecting part (4-2) are both fixedly provided with reinforcing sheets (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384675.4U CN213185848U (en) | 2020-10-23 | 2020-10-23 | Novel linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384675.4U CN213185848U (en) | 2020-10-23 | 2020-10-23 | Novel linear vibration motor |
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| Publication Number | Publication Date |
|---|---|
| CN213185848U true CN213185848U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022384675.4U Active CN213185848U (en) | 2020-10-23 | 2020-10-23 | Novel linear vibration motor |
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| CN (1) | CN213185848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267306A1 (en) * | 2021-06-25 | 2022-12-29 | 歌尔股份有限公司 | Linear vibrating motor |
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2020
- 2020-10-23 CN CN202022384675.4U patent/CN213185848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267306A1 (en) * | 2021-06-25 | 2022-12-29 | 歌尔股份有限公司 | Linear vibrating motor |
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