CN216774580U - Large-size displacement motor structure - Google Patents
Large-size displacement motor structure Download PDFInfo
- Publication number
- CN216774580U CN216774580U CN202220117567.7U CN202220117567U CN216774580U CN 216774580 U CN216774580 U CN 216774580U CN 202220117567 U CN202220117567 U CN 202220117567U CN 216774580 U CN216774580 U CN 216774580U
- Authority
- CN
- China
- Prior art keywords
- elastic sheet
- sides
- lower shell
- shell
- mass block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a large-size displacement motor structure which comprises an upper shell, a lower shell, a vibrating body and an elastic sheet, wherein the lower shell comprises a bottom plate, vertical plates arranged on two sides of the upper surface of the bottom plate and positioning bosses arranged on the vertical plates, coils are arranged on the positioning bosses, and the coils and the lower shell form a stator; the upper shell comprises a top plate and mounting side plates which are vertically arranged on two sides of the lower surface of the top plate; a vibration body is connected and mounted between the mounting side plates of the lower shell through an elastic sheet, the upper shell and the lower shell are matched with each other to form a closed cavity, and the vibration body is horizontally suspended between the two coils in the closed cavity; the vibrating body comprises a basin frame, magnetic circuit components are symmetrically arranged on two sides of the basin frame corresponding to the coil position, each magnetic circuit component comprises a mass block, and a magnetic conductive sheet and a magnet group are embedded in the mass block. The utility model has simple assembly process, simple positioning of the elastic sheet, high welding quality and greatly prolonged service life of the elastic sheet.
Description
Technical Field
The utility model belongs to the technical field of electromagnetism and vibration mechanics, and relates to a feedback function device of a complete machine device such as an earphone, a mobile phone and a gamepad thereof, in particular to a large-size displacement motor structure.
Background
Along with the wide application of micro linear motors, products of the micro linear motors are more and more applied to the fields of large complete machine products such as VR/AR, automobile steering wheels, adult products and the like, the design of large linear motors needs larger driving force and vibration sense, and in order to ensure that the large linear motors meet performance requirements, the magnetic circuit structure of the products of the large linear motors at present increases the utilization rate of magnetic induction lines of a magnetic field and improves the driving force through the design of electromagnets, but the structure causes unbalanced stress in the vibration process of the products and polarization and poor noise performance because the magnetostatic attraction of magnets to upper and lower shells or upper and lower magnetizers at different displacement positions is different; secondly, the spring plate and the mass block of the existing product are usually welded directly, and two different materials are welded, so that the problem of poor mechanical falling feasibility at the later stage of the product is caused due to insufficient drawing force; meanwhile, the existing Z-shaped structure elastic sheet is usually designed by adopting a single-vibration-arm structure, and the mass of a vibrator of a large-size linear motor is 3 to 5 times higher than that of a common product, so that the directional drop momentum of the large-size linear motor is larger, and the elastic sheet is deformed and fails; in addition, the bending part of the Z-shaped elastic sheet is often rubbed and collided with parts connected with the bending part in the vibration process to cause the phenomenon of bad noise, and the existing structure is used for solving the problem that buffering materials such as foam and the like are often added between the elastic sheet and the matched parts, but the mode can increase the stress of the elastic sheet and influence the service life of the elastic sheet; in addition, in the welding process of the Z-shaped elastic sheet and the shell, the shell is often in a rectangular structure, so that the positioning of the elastic sheet and the shell is difficult, the welding process difficulty is increased, and meanwhile, a welding gap is formed between the elastic sheet and the shell, so that poor welding is caused.
No patent documents relevant to the present application were found by search.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the large-size displacement motor structure which is simple in assembly process, simple in positioning of the elastic sheet, high in welding quality and capable of greatly prolonging the service life of the elastic sheet.
The technical problem to be solved by the utility model is realized by adopting the following technical scheme:
a large-size displacement motor structure comprises an upper shell, a lower shell, a vibrating body and an elastic sheet, wherein the lower shell comprises a bottom plate, vertical plates perpendicular to two sides of the upper surface of the bottom plate and positioning bosses arranged on opposite side surfaces of the vertical plates, coils are positioned and mounted on the positioning bosses, and the coils and the lower shell form a stator; the upper shell comprises a top plate and mounting side plates which are vertically arranged on two sides of the lower surface of the top plate; a vibrating body is further connected and mounted between the mounting side plates of the lower shell through an elastic sheet, the upper shell and the lower shell are matched with each other to form a closed cavity, and the vibrating body is horizontally suspended between the two coils in the closed cavity; the vibrating body comprises a basin frame, magnetic circuit components are symmetrically arranged on two sides of the basin frame corresponding to the coil position, each magnetic circuit component comprises a mass block, and a magnetic conductive sheet and a magnet group are embedded in the mass block.
And, the shell fragment includes mounting panel one, mounting panel two and vibrating arm, mounting panel one surface one side middle part system has the arc breach, all slope extension system has two vibrating arms, and every on the lateral wall of the mounting panel one of arc breach both sides the vibrating arm tip still integrative system has mounting panel two, mounting panel one and the installation curb plate internal surface connection of last casing, mounting panel two and basin frame surface welding install the pendulum in last casing.
The pot frame comprises two symmetrically arranged clamping pieces, each clamping piece comprises a clamping piece body, two ends of each clamping piece body are bent to form installation clamping corners, and the installation clamping corners are used for being connected with the end parts of the mass blocks in a clamping mode; and fixing bosses welded with the elastic sheets are further arranged on two sides of the surface of the clamping piece body.
And, the lateral wall of vibration arm and the arc arm of the arc breach on the mounting panel one are integrated into one piece, have prolonged the length of vibration arm, and the vibration arm middle part is received the waist.
And the orthographic projection length of the elastic sheet is greater than the whole length of the vibrating body.
And the mass block is of a rectangular structure, one side of the mass block is provided with a groove, the opening of the groove corresponds to the coil, the magnetic conducting sheet is integrally provided with a magnetic conducting groove matched with the groove structure of the mass block, and the magnetic conducting groove is arranged in the groove of the mass block to form a magnet combination part for fixing the magnet group.
And, the integrative structure that upper and lower casing all adopted the magnetic conduction material to make, just the bottom plate both sides and the riser top of casing all made the locating piece down, the installation curb plate tip and the roof both sides system of upper casing have with the positioning groove of locating piece looks adaptation, and the riser top of casing and the internal surface parallel and level of upper casing down realize the independent location after upper casing and the casing closely cooperate down.
The utility model has the advantages and positive effects that:
the magnetic circuit structure with symmetrical double sides is realized through the arranged basin frame, so that the weight of the vibrating body is increased to amplify the vibration, the problem of unbalanced magnetostatic attraction of the magnet to the vibrating body in the vibration process is solved, the magnetic field intensity is improved, and the stable vibration of the product is ensured; the magnets in the mass block are matched with the magnetic conduction grooves, so that the utilization rate of magnetic induction lines is improved, the assembly process of the mass block is simplified, and the product processing yield and efficiency are improved;
the upper shell and the lower shell are of a C-shaped structure integrally made of magnetic materials, and the two side surfaces of the lower shell are provided with the positioning bosses, so that a coil is conveniently positioned and installed, and the magnetic induction wire shielding device has the functions of shielding the magnetic induction wire of the internal structure, improving the utilization rate of the magnetic induction wire and improving the driving force of a product; positioning blocks are arranged on two sides of a bottom plate and the top end of a vertical plate of the lower shell, positioning grooves matched with the positioning blocks are arranged on the end portion of the vertical plate for installation of the upper shell and two sides of a top plate, and the top end of the vertical plate of the lower shell is flush with the inner surface of the upper shell, so that the automatic positioning after the upper shell and the lower shell are tightly matched is realized, the welding process is simplified, and the welding yield is improved;
the elastic sheet adopts a double-vibrating-arm structure, and the orthographic projection length of the elastic sheet is greater than the whole length of the vibrating body, so that the vibration is more stable, and the deformation risk of the elastic sheet when the elastic sheet falls in a directional manner is reduced; due to the arrangement of the first mounting plate and the second mounting plate of the elastic sheet, the positioning of the elastic sheet and the shell is greatly facilitated, and the problem of poor welding is solved;
two ends of the basin stand are bent to form mounting clamping angles for fixing with the magnetic circuit assembly, and fixing bosses welded with the elastic sheets are formed on the surface of the basin stand; the automatic positioning of the basin frame and the elastic sheet is better realized, and meanwhile, the welding process flow is improved, so that the product is welded more firmly;
the basin frame and the elastic sheet are made of two same materials and can be directly welded, so that the drawing force between the elastic sheet and the basin frame is greatly improved, and the problem of poor mechanical falling feasibility of a product in the later period due to insufficient drawing force is solved; and the positioning lug boss on the basin frame and the positioning welding point on the elastic sheet are arranged, so that the elastic sheet can realize good positioning, the problem of noise caused by the fact that the elastic sheet is bent and rubbed with the basin frame in the vibration process is solved, and the service life of a product is prolonged.
Drawings
FIG. 1 is an exploded view of the overall structure of the apparatus;
FIG. 2 is a top cross-sectional view of the present apparatus;
FIG. 3 is a magnetic circuit configuration diagram of the present device;
FIG. 4 is a view showing a structure of a stator of the present apparatus;
FIG. 5 is a schematic view of the structure of the present device in which the vibrator is mounted in the upper housing;
FIG. 6 is a schematic view of the assembly structure of the elastic sheet and the basin stand;
FIG. 7 is a first schematic view of the assembly structure of the frame and the magnetic circuit assembly;
FIG. 8 is a second view of the assembly structure of the frame and the magnetic circuit assembly;
FIG. 9 is a schematic view of the upper housing construction;
fig. 10 is a schematic view of the lower housing structure.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A large-size displacement motor structure comprises an upper shell 1, a lower shell 8, a vibrating body and an elastic sheet 6, wherein the lower shell comprises a bottom plate 8-2, vertical plates 8-1 vertically arranged on two sides of the upper surface of the bottom plate and positioning bosses 9 arranged on opposite side surfaces of the vertical plates, coils 7 are positioned and mounted on the positioning bosses, and the coils and the lower shell form a stator; the upper shell is also of an integrated structure and comprises a top plate and mounting side plates which are vertically arranged on two sides of the lower surface of the top plate; a vibrating body is also connected and mounted between the mounting side plates of the lower shell through two elastic sheets, and the upper shell and the lower shell are matched with each other to form a closed cavity; thereby realizing that the vibrating body is horizontally suspended between the two coils in the closed cavity; the vibration body comprises a basin frame 4, magnetic circuit assemblies are symmetrically arranged on two sides of the basin frame corresponding to the position of the coil, each magnetic circuit assembly comprises a mass block 2, and a magnetic conductive sheet 3 and a magnet group 5 are embedded in the mass block, so that the basin frame has certain weight to amplify vibration by utilizing the weight;
the elastic sheet comprises a first mounting plate 6-3, a second mounting plate 6-1 and vibrating arms 6-2, the first mounting plate is a rectangular panel, an arc-shaped notch is formed in the middle of one side of the surface of the rectangular panel, two vibrating arms are symmetrically obliquely and lengthened on the side walls of the rectangular panel on two sides of the arc-shaped notch, the end part of each vibrating arm is further integrally provided with the second mounting plate, the first mounting plate is connected with the inner surface of a mounting side plate of the upper shell A, and the second mounting plate is welded with the surface of the basin frame B; thereby mounting the vibration body in the upper case;
the side wall of the vibration arm and the arc-shaped arm of the arc-shaped notch on the first mounting plate are integrally formed, so that the length of the vibration arm is prolonged, the middle part of the vibration arm is narrowed, the vibration frequency is reduced, the vibration feeling is improved, and the stress concentration phenomenon is dispersed, so that the self-damage of the vibration arm is protected;
the elastic sheet adopts a double-vibrating-arm structure, and the orthographic projection length of the elastic sheet is greater than the integral length of the vibrating body, so that the vibration is more stable, and the deformation risk of the elastic sheet falling in a directional manner is reduced; due to the arrangement of the first mounting plate and the second mounting plate of the elastic sheet, the positioning of the elastic sheet and the shell is greatly facilitated, and the problem of poor welding is solved;
the pot frame comprises two clamping pieces which are symmetrically arranged, each clamping piece is of a C-shaped structure and comprises a clamping piece body, two ends of each clamping piece body are bent to form installation clamping angles, and the installation clamping angles are used for being connected with the end parts of the mass blocks in a clamping mode; the middle part of the surface of the clamping piece body is also provided with a long hole, so that the clamping piece body between the installation clamping corners forms 2 symmetrically arranged connecting plates, and two ends of the surface of each connecting plate are provided with fixing bosses 4-1 welded with the elastic sheets; the automatic positioning of the basin stand and the elastic sheet is better realized, and meanwhile, the welding process flow is improved, so that the product is welded more firmly;
the basin frame and the elastic sheet are made of the same materials and can be directly welded, so that the drawing force between the elastic sheet and the basin frame is greatly improved, and the problem of poor mechanical falling feasibility in the later period of a product due to insufficient drawing force is solved; the positioning lug boss on the basin frame and the positioning welding point on the elastic sheet are arranged, so that the elastic sheet can be well positioned, the problem of noise caused by the bending of the elastic sheet and the friction of the basin frame in the vibration process is solved, and the service life of a product is prolonged;
furthermore, the magnetic circuit structure adopts a bilateral symmetrical structure, so that the problem of unbalanced magnetostatic attraction of the magnet to the vibrating body in the vibrating process is solved, and the stable vibration of the product is ensured while the magnetic field intensity is improved; the mass block is of a rectangular structure, a groove is formed in one side of the mass block, the opening of the groove corresponds to the coil, the magnetic conductive sheet is integrally formed into a magnetic conductive groove matched with the groove structure of the mass block, the magnetic conductive groove is arranged in the groove of the mass block to form a magnet combination part for fixing the magnet group, the magnet and the coil are close to each other and are not in contact with each other, and the magnet is matched with the magnetic conductive groove, so that the utilization rate of magnetic induction lines is improved, the assembly process of the mass block is simplified, and the product process yield and efficiency are improved;
in the specific implementation of the utility model, the upper shell and the lower shell are designed into a C-shaped integrated structure and are made of magnetic conductive materials, and the two side surfaces of the lower shell are provided with the positioning bosses, so that the coil is convenient to position and install, and the magnetic induction wire with an internal structure is shielded, the utilization rate of the magnetic induction wire is improved, and the action of a driving force of a product is improved; and the middle parts of the two sides of the bottom plate and the middle part of the top end of the vertical plate of the lower shell are respectively provided with a positioning block, the end part of the mounting side plate of the upper shell and the two sides of the top plate are respectively provided with a positioning groove matched with the positioning blocks, and the top end of the vertical plate of the lower shell is flush with the inner surface of the upper shell, so that the upper shell and the lower shell are automatically positioned after being tightly matched, the welding process is simplified, and the welding yield is improved.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (7)
1. A jumbo size displacement motor structure which characterized in that: the stator comprises an upper shell, a lower shell, a vibrating body and an elastic sheet, wherein the lower shell comprises a bottom plate, vertical plates vertically arranged on two sides of the upper surface of the bottom plate and positioning bosses arranged on opposite side surfaces of the vertical plates, coils are positioned and mounted on the positioning bosses, and the coils and the lower shell form a stator; the upper shell comprises a top plate and mounting side plates which are vertically arranged on two sides of the lower surface of the top plate; a vibrating body is further connected and mounted between the mounting side plates of the lower shell through an elastic sheet, the upper shell and the lower shell are matched with each other to form a closed cavity, and the vibrating body is horizontally suspended between the two coils in the closed cavity; the vibrating body comprises a basin frame, magnetic circuit components are symmetrically arranged on two sides of the basin frame corresponding to the coil position, each magnetic circuit component comprises a mass block, and a magnetic conductive sheet and a magnet group are embedded in the mass block.
2. The large-sized displacement motor structure of claim 1, wherein: the shell fragment includes mounting panel one, mounting panel two and vibrating arm, mounting panel one surface one side middle part system has the arc breach, all slope extension system has two vibrating arms, and every on the lateral wall of mounting panel one of arc breach both sides the vibrating arm tip still integrative system has mounting panel two, mounting panel one and the installation curb plate internal surface connection of last casing, mounting panel two and basin frame surface welding install the pendulum in last casing.
3. The large-sized displacement motor structure of claim 1, wherein: the pot frame comprises two symmetrically arranged clamping pieces, each clamping piece comprises a clamping piece body, two ends of each clamping piece body are bent to form mounting clamping angles, and the mounting clamping angles are used for being connected with the end parts of the mass blocks in a clamping mode; and fixing bosses welded with the elastic sheets are further arranged on two sides of the surface of the clamping piece body.
4. The large-sized displacement motor structure of claim 2, wherein: the lateral wall of vibration arm and the arc arm of the arc breach on the mounting panel one are integrated into one piece, have prolonged the length of vibration arm, and the vibration arm middle part is received the waist.
5. A large-sized displacement motor structure according to claim 1, wherein: the orthographic projection length of the elastic sheet is larger than the whole length of the vibrating body.
6. The large-sized displacement motor structure of claim 1, wherein: the mass block is of a rectangular structure, a groove is formed in one side of the mass block, the opening of the groove corresponds to the coil, the magnetic conduction sheet is integrally formed into a magnetic conduction groove matched with the groove structure of the mass block, and the magnetic conduction groove is arranged in the groove of the mass block to form a magnet combination part for fixing the magnet group.
7. The large-sized displacement motor structure of claim 1, wherein: the upper and lower casing all adopts the integrative structure that the magnetic conduction material was made, just the bottom plate both sides and the riser top of casing all made the locating piece down, the installation curb plate tip and the roof both sides system of upper casing have with the positioning groove of locating piece looks adaptation, and the riser top of casing and the internal surface parallel and level of upper casing down realize the independent location after upper casing and the casing closely cooperate down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220117567.7U CN216774580U (en) | 2022-01-17 | 2022-01-17 | Large-size displacement motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220117567.7U CN216774580U (en) | 2022-01-17 | 2022-01-17 | Large-size displacement motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774580U true CN216774580U (en) | 2022-06-17 |
Family
ID=81976304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220117567.7U Active CN216774580U (en) | 2022-01-17 | 2022-01-17 | Large-size displacement motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774580U (en) |
-
2022
- 2022-01-17 CN CN202220117567.7U patent/CN216774580U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6193965B2 (en) | Micro vibration motor | |
| KR101255914B1 (en) | Linear Vibration Motor | |
| KR101944654B1 (en) | Linear vibration motor | |
| JP6667033B2 (en) | Vibration motor | |
| KR20100116335A (en) | Linear vibrator | |
| WO2019165693A1 (en) | Moving-coil linear vibrating motor | |
| CN105071626A (en) | Linear vibration motor | |
| CN215498695U (en) | Linear vibration motor | |
| CN105226908A (en) | Linear type vibration motor | |
| CN110957881A (en) | Low-magnetic-leakage horizontal linear motor and implementation method thereof | |
| CN102035345B (en) | Flat linear vibrator | |
| WO2020134475A1 (en) | Vibration motor | |
| CN205792139U (en) | Linear vibration motor | |
| CN210093433U (en) | Electromagnetic exciter | |
| CN216774580U (en) | Large-size displacement motor structure | |
| US11212618B2 (en) | Vibration sounding device | |
| CN112600380A (en) | Stable vibration device | |
| WO2022134205A1 (en) | Vibration motor | |
| CN114389426A (en) | Large-size displacement motor structure | |
| CN215580854U (en) | Ultra-thin type vibrating device | |
| KR101321729B1 (en) | Horizontal type linear shock motor for mobile phone | |
| CN202218144U (en) | Linear vibration motor | |
| CN201918875U (en) | Flat linear vibrator | |
| CN205753915U (en) | Vibrating motor | |
| CN211352009U (en) | Vibration exciter and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |