CN218335700U

CN218335700U - Vibration device and electronic apparatus

Info

Publication number: CN218335700U
Application number: CN202221919732.7U
Authority: CN
Inventors: 高志明; 朱颖; 王晓萌; 张雨晴
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-17
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a vibrating device and electronic equipment. Wherein, vibrating device's shell subassembly encloses to close and forms the installation cavity, fixed subassembly hangs to locate in the installation cavity, the accommodating space that link up along the vibration direction is located in order to form to fixed subassembly's first mounting and the mutual lock of second mounting, the magnetic conduction board presss from both sides and locates between first mounting and the second mounting and be equipped with first accommodation hole, the magnet subassembly is located in the accommodating space, the magnet subassembly sets up in the magnetic conduction board both sides relatively along the vibration direction, at least partial stator module locates in the accommodating space, stator module wears to locate first accommodation hole and with shell subassembly fixed connection along the vibration direction. According to the technical scheme, the traditional mass block is cancelled to be weighted at the side end of the magnet assembly, the reliability of falling of a product is improved while the process complexity is not increased and the magnetic circuit performance is ensured, the possibility of falling of the magnetic conduction plate is reduced, and meanwhile, the stability of the whole vibrating device is improved.

Description

Vibration device and electronic apparatus

Technical Field

The utility model belongs to the technical field of the vibration feedback, concretely relates to vibrating device and have its electronic equipment.

Background

Electromagnetic vibration exciters are increasingly used as core elements of consumer electronic tactile feedback. The method simplifies the production process of the product, reduces the cost and improves the reliability at the same time, and is an important way for realizing product optimization.

The exciter in the prior art comprises a vibrator component and a stator component, wherein the vibrator component is provided with a balancing weight and used for increasing the mass of a vibrator, and further the vibration performance of the vibrator component is improved. However, the weight member is assembled to the side end of the magnetic member of the vibrator assembly, so that the installation process of the weight member is complicated. Meanwhile, when the exciter is used for a drop test, the dropping probability of the balancing weight is high, and the reliability and the stability of the whole magnetic circuit are further reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current exciter balancing weight at least and easily dropping, leading to the relatively poor problem of stability and reliability. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a vibrating device, include:

the shell component encloses to form a mounting cavity;

the fixing assembly is suspended in the mounting cavity and comprises a first fixing piece and a second fixing piece, and the first fixing piece and the second fixing piece are buckled with each other to form a through accommodating space along the vibration direction;

the magnetic conducting plate is clamped between the first fixing piece and the second fixing piece and fixedly connected with the first fixing piece and the second fixing piece, and is provided with a first accommodating hole;

the magnet assembly is arranged in the accommodating space, oppositely arranged on two sides of the magnetic conduction plate along the vibration direction and fixedly connected with the magnetic conduction plate;

and at least part of the stator assembly is arranged in the accommodating space, the stator assembly is arranged between the magnet assemblies, and the stator assembly penetrates through the first accommodating hole in the vibration direction and is fixedly connected with the shell assembly.

Through using the vibrating device among this technical scheme, adopt shell subassembly, fixed subassembly, the magnetic conduction board, the integrated configuration of magnet subassembly and stator module, fixed subassembly, the magnetic conduction board, magnet subassembly and stator module all are located the installation intracavity of shell subassembly, fixed subassembly can fix the equipment to the magnetic conduction board, can also play certain counter weight effect, the magnetic conduction board can realize the effect of magnetic conduction when the vibrating device operation, the magnet subassembly with magnetic conduction board fixed connection can strengthen magnetic circuit's stability, stator module can drive parts such as magnetic conduction board and carry out the displacement along the vibration direction through magnetic field effect at the operation in-process, the utility model discloses in cancelled traditional quality piece and carried out the form of counter weight at the magnet subassembly side, improved the reliability that the product falls when not increasing technology complexity and guaranteeing magnetic circuit performance, reduced the possibility that the magnetic conduction board drops, promoted whole vibrating device's steadiness simultaneously.

In addition, according to the utility model discloses a vibrating device still can have following additional technical characterstic:

in some embodiments of the present invention, the magnet assembly includes a first magnet set and a second magnet set, the first magnet set and the second magnet set are disposed on two sides of the first accommodation hole, and the stator assembly is disposed between the first magnet set and the second magnet set.

In some embodiments of the present invention, the first magnet set and the second magnet set respectively include a first magnet and a second magnet, the first magnet and the second magnet are along the vibration direction is relatively set up in the two sides of the magnetic conductive plate, and with the magnetic conductive plate fixed connection.

In some embodiments of the present invention, the first magnet and the second magnet are magnetized in a direction perpendicular to the direction of vibration, and the direction of magnetization of the first magnet and the direction of magnetization of the second magnet are opposite to each other.

In some embodiments of the present invention, the first fixing member is provided with a second receiving hole, the second fixing member is provided with a third receiving hole, and the first receiving hole, the second receiving hole, and the third receiving hole communicate with each other to form a receiving space that runs through in the vibration direction.

In some embodiments of the present invention, the vibration device includes a first spring piece and a second spring piece, the first spring piece is elastically connected to the first fixing member and the housing assembly, and the second spring piece is elastically connected to the second fixing member and the housing assembly.

In some embodiments of the present invention, the first fixing member and the second fixing member are respectively provided with a stopping portion along opposite ends in the length direction, and the stopping portions abut against the magnet assembly.

In some embodiments of the present invention, the stator assembly includes an iron core and a coil wound on an outer side of the iron core, the coil being fixedly connected to the housing assembly.

In some embodiments of the present invention, the first fixing member and the second fixing member are metal stamped parts.

The utility model discloses the second aspect provides an electronic equipment has foretell vibrating device.

Drawings

Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows an overall structural diagram of a vibration device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the vibration device of FIG. 1;

fig. 3 is a schematic view of an assembly structure of a fixing component, a magnetic conducting plate, a magnet component, a stator component and a bottom plate of the vibration device in fig. 1;

FIG. 4 is a cross-sectional view of a front view of the vibration apparatus of FIG. 1;

FIG. 5 is a cross-sectional view of the vibrating device of FIG. 1 in a side view;

fig. 6 is an assembly structure diagram of a fixing component, a magnet component, a first elastic sheet and a second elastic sheet of the vibration device in fig. 1;

FIG. 7 is a schematic view of FIG. 6 with the first and second elastic members removed;

fig. 8 is a schematic view of an assembly structure of the magnetic conductive plate, the first magnet group and the second magnet group of the vibrating device in fig. 1.

The reference numerals in the drawings denote the following:

11. a top cover; 12. a middle shell; 121. a mounting cavity; 13. a base plate;

21. a magnetic conductive plate; 211. a first mounting portion; 212. a first connection portion; 213. a second mounting portion; 214. a second connecting portion; 215. a first accommodation hole; 221. a first magnet; 222. a second magnet; 241. a first fixing member; 2411. a second accommodation hole; 242. a second fixing member; 2421. a third accommodation hole; 243. an accommodating space; 251. a first spring plate; 2511. a fourth accommodation hole; 252. a second elastic sheet; 2521. a fifth accommodation hole;

31. a coil; 32. and (3) an iron core.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 schematically shows an overall structural diagram of a vibration device according to an embodiment of the present invention. Fig. 2 is an exploded view of the vibration device of fig. 1. Fig. 3 is a schematic view of an assembly structure of the fixing assembly, the magnetic conducting plate, the magnet assembly, the stator assembly and the bottom plate of the vibration device in fig. 1. As shown in fig. 1, 2 and 3, the present invention provides a vibration device and an electronic apparatus. The vibrating device comprises a shell assembly, a fixing assembly, a magnetic conduction plate 21, a magnet assembly and a stator assembly, the shell assembly encloses to form an installation cavity 121, the fixing assembly is arranged in the installation cavity 121 in a hanging mode, the fixing assembly comprises a first fixing piece 241 and a second fixing piece 242, the first fixing piece 241 and the second fixing piece 242 are buckled with each other to form an accommodating space 243 communicated along the vibration direction, the magnetic conduction plate 21 is clamped between the first fixing piece 241 and the second fixing piece 242 and is fixedly connected with the first fixing piece 241, the second fixing piece 242 is fixedly connected, the magnetic conduction plate 21 is provided with a first accommodating hole 215, the magnet assembly is arranged in the accommodating space 243, the magnet assembly is arranged on two sides of the magnetic conduction plate 21 relatively along the vibration direction and is fixedly connected with the magnetic conduction plate 21, at least part of the stator assembly is arranged in the accommodating space 243, the stator assembly is arranged between the magnet assembly, the stator assembly penetrates through the first accommodating hole 215 along the vibration direction and is fixedly connected with the shell assembly.

Through using the vibrating device among this technical scheme, adopt shell subassembly, fixed subassembly, magnetic conduction board 21, the integrated configuration of magnet subassembly and stator module, fixed subassembly, magnetic conduction board 21, magnet subassembly and stator module all are located the installation cavity 121 of shell subassembly, fixed subassembly can fix the equipment to magnetic conduction board 21, can also play certain counter weight effect, the effect of magnetic conduction can be realized to magnetic conduction board 21 when the vibrating device operation, the magnet subassembly with magnetic conduction board 21 fixed connection can strengthen magnetic circuit's stability, stator module can drive parts such as magnetic conduction board 21 and carry out the displacement along the vibration direction through magnetic field effect at the operation in-process, the utility model discloses in cancelled traditional quality piece and carried out the form of counter weight at the magnet subassembly side, improved the reliability that the product fell when not increasing technology complexity and guaranteeing magnetic circuit performance, reduced the possibility that magnetic conduction board 21 drops, promoted whole vibrating device's steadiness simultaneously.

In some embodiments of the present invention, as shown in fig. 2, the magnet assembly includes a first magnet set and a second magnet set, the first magnet set and the second magnet set are disposed at two sides of the first accommodation hole 215, and the stator assembly is disposed between the first magnet set and the second magnet set. In this embodiment, the magnet assembly includes first magnet group and second magnet group, and is about the relative both sides of first accommodation hole 215 respectively, and in the vibrating device operation process, the stability and the reliability of the whole magnetic circuit of promotion that two sets of magnet groups can be better.

Specifically, as shown in fig. 8, the magnetic conductive plate 21 in the present invention is also referred to as a washer, and the magnetic conductive plate 21 includes a first installation portion 211, a first connection portion 212, a second installation portion 213 and a second connection portion 214 that are connected in sequence, and the first installation portion 211, the first connection portion 212, the second installation portion 213 and the second connection portion 214 enclose a first accommodation hole 215, and the first installation portion 211 is provided with a first magnet set, and the second installation portion 213 is provided with a second magnet set. In the embodiment, the magnetic conductive plate 21 is a flat plate structure, so that the plane area is increased, and the reliability of product falling is improved while the process complexity is not increased and the magnetic circuit performance is ensured. The first accommodation hole 215 of the magnetic conduction plate 21 is used for providing an accommodation space for the stator assembly. First installation department 211 presss from both sides and locates between the first magnet group, and second installation department 213 presss from both sides and locates between the second magnet group for two magnet groups are located first accommodation hole 215 and stator module's both sides, and under the stator module circular telegram circumstances, two magnet groups can carry out more stable magnetic action to between magnetic conduction board 21 and the stator module, have promoted the reliability.

In some embodiments of the present invention, as shown in fig. 2, 6 and 7, the first magnet set and the second magnet set respectively include a first magnet 221 and a second magnet 222, and the first magnet 221 and the second magnet 222 are disposed on two sides of the magnetic conductive plate 21 along the vibration direction, and are fixedly connected to the magnetic conductive plate 21. In this embodiment, the first magnet 221 and the second magnet 222 are respectively located at the top and the bottom of the two ends of the magnetic conductive plate 21 and symmetrically arranged with respect to the magnetic conductive plate 21, so that the vibration device can be more stable and stable in the vibration process.

In some embodiments of the present invention, as shown in fig. 4 (the arrow direction in the figure is the magnetizing direction), the first magnet 221 and the second magnet 222 are magnetized in the direction perpendicular to the vibration direction, and the magnetizing directions of the first magnet 221 and the second magnet 222 are opposite. In the present embodiment, the first magnet 221 is provided with its magnetization direction perpendicular to the vibration direction and facing the right side, and the second magnet 222 is provided with its magnetization direction opposite to that of the first magnet 221. The first magnet 221 and the second magnet 222 of the two magnet groups are arranged as above, so that the four magnets vibrate up and down along the vibration direction under the driving of the coil 31, and the basin frame connected with the magnets is driven to vibrate, so that the sounding component is driven to vibrate, and the electronic product makes a sound.

Specifically, in another embodiment of the present invention, the first magnet 221 is magnetized in a direction perpendicular to the vibration direction and toward the left side, and the second magnet 222 is magnetized in a direction opposite to the first magnet 221. In this embodiment, the first magnet 221 and the second magnet 222 of the two magnet groups are arranged as above, so that the four magnets can vibrate up and down along the vibration direction under the driving of the coil 31, and the basin frame connected with the magnets is driven to vibrate, so as to drive the sound-generating component to vibrate, and thus the electronic product can make a sound.

In some embodiments of the present invention, as shown in fig. 2, the first fixing member 241 is provided with a second receiving hole 2411, the second fixing member 242 is provided with a third receiving hole 2421, and the first receiving hole 215, the second receiving hole 2411 and the third receiving hole 2421 are mutually communicated to form a receiving space 243 penetrating along the vibration direction. In this embodiment, the first accommodation hole 215, the second accommodation hole 2411, and the second accommodation hole 2411 are all used for providing accommodation space for the stator assembly, and in the operation process of the vibration device, because the stator assembly is powered on, the fixed assembly, the magnet assembly, and the magnetic conductive plate 21 can respectively displace along the vibration direction, and do not interfere with the stator assembly.

In some embodiments of the present invention, as shown in fig. 2, 5 and 6, the vibration device includes a first elastic sheet 251 and a second elastic sheet 252, the first elastic sheet 251 elastically connects the first fixing member 241 and the housing assembly, and the second elastic sheet 252 elastically connects the second fixing member 242 and the housing assembly. Because the first resilient sheet 251 has elasticity, when the stator assembly is powered on, the first fixing member 241 and the housing assembly can perform relative reciprocating motion, that is, move up and down along the vibration direction.

In addition, because the second elastic sheet 252 has elasticity, when the stator assembly is energized, relative reciprocating motion between the second fixing member 242 and the housing assembly, that is, vertical displacement along the vibration direction, can be realized, and the second elastic sheet 252 is matched with the first elastic sheet 251, so that the reliability of reciprocating motion can be ensured, and the problem of breakage and damage of the elastic sheet in reciprocating motion can be reduced. In addition, the first resilient piece 251 has a fourth accommodating hole 2511 therein, and the second resilient piece 252 has a fifth accommodating hole 2521 therein, which are all used for providing an accommodating space for the stator assembly.

Specifically, as shown in fig. 2, in the utility model discloses in, first accommodation hole 215, second accommodation hole 2411, third accommodation hole 2421, fourth accommodation hole 2511 and fifth accommodation hole 2521 communicate each other in order to form the accommodation space 243 that link up along the vibration direction, and all are used for providing arrangement space to stator module, can make stator module be located vibrator subassembly (fixed subassembly, magnetic conduction board 21 and magnet subassembly), guarantee that stator module can carry out magnetic force to vibrator subassembly under the circumstances of circular telegram, and finally make vibrator subassembly carry out displacement from top to bottom along the vibration direction.

In some embodiments of the present invention, as shown in fig. 2, the housing assembly includes a top cover 11, a middle shell 12 and a bottom plate 13, the middle shell 12 is an annular structure with two open ends, and the top cover 11 and the bottom plate 13 cover the two ends of the middle shell 12 respectively to form the mounting cavity 121. In this embodiment, the bottom plate 13 is used for being connected to the bottom end of the coil 31 of the stator assembly, so as to fix the coil 31 and ensure the fixed state of the stator assembly in the vibration process. The installation cavity 121 in the middle shell 12 is used for providing installation space for the stator assembly, the fixing assembly, the magnetic conduction plate 21 and the magnet assembly, and is connected with the fixing assembly through the elastic sheet, so that elastic support can be provided for the fixing assembly.

In some embodiments of the present invention, as shown in fig. 2 and 3, the two opposite ends of the first fixing element 241 and the second fixing element 242 along the length direction are respectively provided with a stopping portion, the stopping portions can be formed by bending the first fixing element 241 and the second fixing element 242, and the stopping portion of the first fixing element 241 and the stopping portion of the second fixing element 242 are arranged opposite to each other along the vibration direction. In the assembled state, the stopper portion abuts against the magnet assembly. The setting of backstop portion can fix the magnet subassembly, prevents that magnet subassembly from taking place to remove along perpendicular to vibration direction in vibration process, further improvement vibrating device's stability.

In some embodiments of the present invention, as shown in fig. 2, the stator assembly includes an iron core 32 and a coil 31 wound around the iron core 32, and the coil 31 is fixedly connected to the housing assembly. In the present embodiment, the input end of the coil 31 is used for electrically connecting with a power supply, that is, the power supply can perform an energizing operation on the coil 31, and the iron core 32 is used for acting on a magnetic field between the magnet sets, so as to finally displace the vibrator assembly (the fixing assembly, the magnetic conductive plate 21 and the magnet assembly) in the vibration direction.

In some embodiments of the present invention, the first fixing part 241 and the second fixing part 242 are metal stamping parts. In this embodiment, metal stamping part itself has certain quality, can replace the application of traditional balancing weight, realizes stable vibration effect. In addition, the rigidity and the strength of the metal stamping part are good, and the metal stamping part can play a good role in stability when being connected with the magnet group and the magnetic conduction plate 21.

The utility model discloses the second aspect provides an electronic equipment, has foretell vibrating device.

Through using the electronic equipment among this technical scheme, adopt shell subassembly, fixed subassembly, magnetic conduction board 21, the integrated configuration of magnet subassembly and stator module, fixed subassembly, magnetic conduction board 21, magnet subassembly and stator module all are located the installation cavity 121 of shell subassembly, fixed subassembly can fix the equipment to magnetic conduction board 21, can also play certain counter weight effect, the effect of magnetic conduction can be realized to magnetic conduction board 21 when vibrating device operation, the magnet subassembly that is located respectively on the magnetic conduction board 21 and in the accommodating space 243 can strengthen magnetic circuit's stability, stator module can drive parts such as magnetic conduction board 21 through magnetic force and carry out the displacement along the direction of vibration at the operation in-process, the utility model discloses in cancelled traditional quality piece and carried out the form of counter weight at magnet subassembly side, improved the reliability that the product fell when not increasing technology complexity and guaranteeing magnetic circuit performance, reduced the possibility that magnetic conduction board 21 drops, promoted whole vibrating device's steadiness simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A vibratory device, comprising:

a housing assembly enclosing a mounting cavity;

2. The vibration device as claimed in claim 1, wherein the magnet assembly comprises a first magnet set and a second magnet set, the first magnet set and the second magnet set are oppositely disposed at two sides of the first accommodation hole, and the stator assembly is disposed between the first magnet set and the second magnet set.

3. The vibrating device of claim 2, wherein the first magnet set and the second magnet set respectively include a first magnet and a second magnet, and the first magnet and the second magnet are oppositely disposed on two sides of the magnetic conductive plate along the vibrating direction and are fixedly connected to the magnetic conductive plate.

4. The vibration apparatus of claim 3, wherein the first magnet and the second magnet are magnetized perpendicular to the vibration direction, the first magnet and the second magnet being magnetized in opposite directions.

5. The vibration apparatus according to claim 1, wherein the first fixing member is provided with a second receiving hole, the second fixing member is provided with a third receiving hole, and the first receiving hole, the second receiving hole, and the third receiving hole communicate with each other to form the receiving space that penetrates in the vibration direction.

6. The vibration device as claimed in claim 1, wherein the vibration device comprises a first resilient piece and a second resilient piece, the first resilient piece elastically connecting the first fixing piece and the housing assembly, and the second resilient piece elastically connecting the second fixing piece and the housing assembly.

7. The vibration apparatus as claimed in claim 1, wherein the first fixing member and the second fixing member are provided with stoppers at opposite ends in the longitudinal direction, respectively, and the stoppers abut against the magnet assembly.

8. The vibration apparatus of claim 1 wherein the stator assembly comprises a core and a coil wound around an outside of the core, the coil being fixedly connected to the housing assembly.

9. The vibration apparatus of claim 1 wherein said first and second attachment members are both metal stampings.

10. An electronic device characterized by having the vibration apparatus according to any one of claims 1 to 9.