CN211670976U - Exciter and electronic device - Google Patents

Abstract

The utility model relates to an exciter and electronic equipment, this exciter include vibrator subassembly, stator module and fixture, the vibrator subassembly includes epitheca and magnetic component, the epitheca has semi-closed cavity, magnetic component is fixed in the cavity, magnetic component forms the magnetic gap, stator module includes the inferior valve and sets up coil on the inferior valve, partly of coil stretches into in the magnetic gap, the coil with the magnetic component looks interval, fixture stretches into the coil with in magnetic component's the clearance, and will magnetic component and coil are fixed a position. The embodiment of the utility model provides an exciter has stopped vibrator subassembly and stator module to produce relative displacement's problem and has taken place, has improved the precision of exciter subassembly, has avoided vibrator and stator to wipe when the vibration and has bumped.

Description

Exciter and electronic device

Technical Field

The utility model relates to a sound generating mechanism technical field, more specifically, the utility model relates to an exciter and electronic equipment.

Background

With the wide application of the 5G technology, people have an increasing expectation for a full screen of a mobile phone while pursuing an extreme network experience. Therefore, the direct-drive screen sounding exciter which is produced by inoculation is more and more widely applied. Because the direct-drive screen sounding exciter has inevitable assembly tolerance in the assembly process of components and the assembly process of the whole machine, the oscillator of the exciter and the stator are rubbed and collided due to the tolerance, and the overall performance and the service life of the product are further influenced.

Therefore, a new technical solution is needed to solve at least one of the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new technical scheme of exciter and electronic equipment.

An aspect of the utility model provides an exciter, including vibrator subassembly, stator module and fixture, the vibrator subassembly includes epitheca and magnetic component, the epitheca has semi-closed cavity, magnetic component is fixed in the cavity, magnetic component forms the magnetic gap, stator module includes the inferior valve and sets up coil on the inferior valve, partly of coil stretches into in the magnetic gap, the coil with the magnetic component looks interval, fixture stretches into the coil with in magnetic component's the clearance, and will magnetic component and coil fix a position.

Optionally or alternatively, opposite sides of the coil are spaced from the magnetic assembly, the clip extending between the opposite sides of the coil and the magnetic assembly.

Optionally or alternatively, the clip comprises at least one first U-shaped frame, the two arms of the first U-shaped frame extending into opposite sides of the coil, respectively.

Optionally or alternatively, the fixture comprises two first U-shaped frames, and the two first U-shaped frames are respectively distributed in the long side direction of the coil.

Optionally or alternatively, two of said first U-shaped frames are connected together.

Optionally or alternatively, the clip comprises a second U-shaped frame, the two arms of the second U-shaped frame being arranged on the same side of the coil.

Optionally or alternatively, the clip comprises two of said second U-shaped frames, one on each opposite side of the coil.

Optionally or alternatively, two of said second U-shaped frames are connected together.

Optionally or alternatively, the lower shell has a through hole, and the clip passes through the through hole from a side of the lower shell opposite to the coil and extends into the gap.

Another aspect of the present invention provides an electronic device, including a device body and the exciter described above, wherein the exciter is disposed in the device body.

Optionally or alternatively, the device body comprises a screen and a device housing, the screen being disposed on the device housing, one of the stator assembly and the vibrator assembly being secured to the screen and the other being secured to the device housing.

The embodiment of the utility model provides an exciter is owing to fixture stretch into when the assembly the coil with in magnetic component's the clearance, so, at the exciter assembly in-process, support each other between vibrator subassembly, stator module and the fixture and fix a position together, stopped vibrator subassembly and stator module and produced the problem emergence of relative displacement, improved exciter subassembly assembly precision, avoided vibrator subassembly and stator module to wipe when the vibration and bump.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic side sectional structural view of an actuator according to an embodiment of the present invention.

Fig. 2 is a schematic side view of an exciter according to an embodiment of the present invention.

Fig. 3 is a schematic front view of an exciter according to an embodiment of the present invention.

Fig. 4 is an exploded view of an actuator according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of an actuator according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a second embodiment of a clip according to an example of the present invention.

Fig. 7 is a schematic perspective view of a third embodiment of a clip according to an example of the present invention.

Fig. 8 is a schematic side view of a third embodiment of a fixture according to an embodiment of the present invention.

Fig. 9 is a schematic perspective view of a fourth embodiment of a clip according to an example of the present invention.

Description of reference numerals:

1-fixture, 11-first U-shaped frame, 12-second U-shaped frame, 2-upper shell, 3-magnetic component, 31-first magnetic component, 32-second magnetic component, 4-lower shell, 41-through hole, 5-coil and 6-washer.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 6, an embodiment of the present invention discloses an exciter, including a vibrator assembly, a stator assembly, and a fixture 1.

The vibrator assembly includes an upper case 2 and a magnetic assembly 3, the upper case 2 having a semi-closed cavity, the magnetic assembly 3 being fixed in the cavity.

For example, the magnetic assembly 3 is glued in a cavity of the upper shell 2. Of course, the connection of the magnetic component 3 to the upper shell 2 is not limited to gluing, and the fixing manner of the magnetic component 3 can be flexibly selected by those skilled in the art according to actual needs.

The magnetic assembly 3 forms a magnetic gap and the stator assembly includes a lower case 4 and a coil 5 disposed on the lower case 4. A part of coil 5 stretches into the magnetic gap, coil 5 is apart from magnetic component 3, and fixture 1 stretches into coil 5 and the magnetic component 3's in the clearance to fix a position magnetic component 3 and coil 5.

The embodiment of the utility model provides an exciter is when the assembly, fixes magnetic component 3 in the cavity of epitheca 2.

A portion of the coil 5 is inserted into the cavity of the upper housing 2, and when energized, the magnetic field of the coil 5 and the magnetic field of the magnetic assembly 3 interact to form a driving force.

The other part of the coil 5 and the lower case 4 are fixed by using an adhesive. Of course, the connection of the coil 5 and the lower shell 4 is not limited to gluing, and the fixing manner of the coil 5 and the lower shell 4 can be flexibly selected by those skilled in the art according to actual needs. The lower case 4 is a sheet structure, and the coil 5 is fixed in the middle of the lower case 4.

The lead wires of the coil 5 are connected to an external circuit.

Of course, another part of the coil 5 may be directly adhered to one side of the circuit board, and the other side of the circuit board is connected to the lower case 4. The fixing method of the coil 5 and the lower case 4 is not limited to the above embodiment, and those skilled in the art can flexibly select the fixing method of the coil 5 and the lower case 4 according to actual needs.

The fixture 1 is inserted into the gap between the coil 5 and the magnet assembly 3 so that the vibrator assembly, the coil 5 of the stator assembly and the fixture 1 are abutted against each other for positioning. Fixture 1 prevents positional movement between coil 5 and magnetic assembly 3 during subsequent assembly. The fixture 1, when inserted into the gap, creates a holding force against the coil 5 and the magnetic assembly 3. This holding force causes the coil 5 to be seized and the vibrator assembly and the stator assembly to be fixed together.

For example, the material of the jig 1 may be a metal material or a non-metal material. The jig 1 has any shape of a sheet, a cylinder, or a polygonal shape.

Finally, the lower case 4 is connected to the vibrator assembly through an elastic member (not shown). The elastic piece is a spring plate, a spring or an elastic rubber piece and the like.

For example, the vibrator assembly and the washer 6 are adhesively bonded, and the lower case 4 is bonded to the washer 6 by an elastic member so that the vibrator assembly is suspended on the stator assembly.

The embodiment of the utility model provides an exciter, oscillator subassembly, stator module pass through fixture and form fixed connection. In assembling, the exciter is assembled as a whole, and the vibrator assembly and the stator assembly are mounted to set positions, respectively. Due to the positioning effect of the clamping apparatus, the vibrator component and the stator component can not move in the assembling process, so that the assembling precision of the exciter is greatly improved, and the vibrator and the stator are prevented from being rubbed and touched during vibration.

In addition, the fixture 1 also avoids the problem of asymmetry of two sides of the coil 5, improves the overall stability of the exciter and prolongs the service life of the exciter.

In one embodiment, opposite sides of coil 5 are spaced from magnetic assembly 3, and clip 1 extends between the opposite sides of coil 5 and magnetic assembly 3.

For example, the magnetic assembly 3 includes a first magnetic assembly 31 and a second magnetic assembly 32, the coil 5 is located between the first magnetic assembly 31 and the second magnetic assembly 32, two opposite sides of the coil 5 are respectively spaced from the first magnetic assembly 31 and the second magnetic assembly 32, and the fixture 1 respectively extends into a gap at two sides of the coil 5, so that the first magnetic assembly 31, the second magnetic assembly 32, the fixture 1 and the coil 5 are abutted together to perform positioning.

As shown in fig. 4, the first magnetic assembly 31 and the second magnetic assembly 32 each include two magnets arranged in the vibration direction to form a magnetic circuit. The first magnetic member 31 and the second magnetic member are opposed to the two long sides of the coil 5, respectively. This maximizes the driving force experienced by the coil 5.

In one embodiment, the fixture 1 comprises at least one first U-shaped frame 11, the two arms of the first U-shaped frame 11 respectively extend into opposite sides of the coil 5, and the inner sides of the two arms of the first U-shaped frame 11 respectively make contact with the opposite sides of the coil 5 without a gap, thereby enabling accurate positioning of both sides of the coil 5.

As shown in fig. 3, in one embodiment, the fixture 1 includes two first U-shaped frames 11, and the two first U-shaped frames 11 are respectively distributed in the long side direction of the coil 5. The long side of the coil 5 has a large size, and positioning of the coil 5 as a whole can be more accurate by providing a plurality of first U-shaped frames 11.

Of course, the two first U-shaped frames 11 may also be distributed in the broadside direction of the coil 5. The person skilled in the art can flexibly arrange the first U-shaped frame 11 at the position of the coil 5 according to the actual needs.

As shown in fig. 6, in one embodiment, two first U-shaped frames 11 are coupled together. When the fixture 1 is assembled, the positioning is formed at a plurality of positions of the coil 5 at the same time, so that the structure can effectively shorten the time for installing the fixture 1 and improve the assembly efficiency.

As shown in fig. 7, in one embodiment, the fixture 1 comprises a second U-shaped frame 12, the two arms of the second U-shaped frame 12 being arranged on the same side of the coil 5. The two arms of the fixture 1 are inserted into the same side of the coil 5. When performing insertion, it is easy for the operator to observe the relative positions of the two arms, thereby making insertion of the jig 1 easier.

For example, both arms of the second U-shaped frame 12 extend into the gap between the magnetic assembly 3 and one side of the coil 5.

As shown in fig. 7 and 8, in one embodiment, the jig 1 includes two second U-shaped frames 12, and the two second U-shaped frames 12 are respectively located at opposite sides of the coil 5.

For example, two opposite sides of the coil 5 are spaced apart from the first and second magnetic members 31 and 32, respectively, and the two second U-shaped frames 12 extend into the spaces.

As shown in fig. 9, in one embodiment, two second U-shaped frames 12 are connected together, and positioning is simultaneously performed at a plurality of positions of the coil 5 when the fixture 1 is assembled, which can effectively shorten the time for installing the fixture 1 and improve the assembly efficiency.

As shown in fig. 4, in one embodiment, the lower case 4 has a through hole 41, and the clip 1 passes through the through hole 41 from the side of the lower case 4 opposite to the coil 5 and protrudes into the gap. After the exciter is assembled into the electronic apparatus, the fixture 1 is removed from the outside of the lower case. The through holes 41 facilitate the mounting and dismounting of the fixture.

For example, the through hole 41 is two large holes each of which allows an entire first U-shaped frame 11 to be inserted.

For example, the through hole 41 is four small holes each of which allows one of the arms of the first U-shaped frame 11 to protrude.

The number of the through holes 41 is not limited to the above number, and those skilled in the art can flexibly set the number and the positions of the through holes 41 according to actual needs.

In addition, the through hole 41 of the lower shell 4 can also be used for extending into the detection equipment to detect the position degree of the whole magnetic gap of the exciter, and the assembly consistency is improved.

The embodiment of the utility model also discloses an electronic equipment, including equipment body and the aforesaid the exciter, above-mentioned the exciter setting be in the equipment body.

The electronic device disclosed in the embodiment includes any one of a mobile phone, a tablet computer, a notebook computer, a game machine, and a vibration device. The utility model discloses an electronic equipment is owing to have above-mentioned exciter. The electronic equipment has high overall stability and long service life.

In one embodiment, the device body includes a screen and a device housing, the screen being disposed on the device housing, one of the stator assembly and the vibrator assembly being secured to the screen, the other being secured to the device housing.

The screen sound production device disclosed by the embodiment has the exciter, and the vibrator component and the stator component avoid collision during vibration, so that the effects of high screen sound production quality and no noise are realized.

For example, the electronic device is a screen sounding device, the upper shell of the vibrator assembly is connected with the screen, the lower shell of the stator assembly is connected with the device shell of the screen sounding device, and finally the fixture 1 is taken out. Because the clamping apparatus 1 is taken out at last after the vibrator component and the stator component are positioned, the vibrator component and the stator component can not move in the assembling process, the assembling precision of the exciter is greatly improved, and the vibrator and the stator are prevented from being rubbed and touched during vibration. The screen sounding device has the advantages of high overall stability and long service life.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (11)

1. An actuator, characterized by: the magnetic positioning device comprises a vibrator component, a stator component and a fixture, wherein the vibrator component comprises an upper shell and a magnetic component, the upper shell is provided with a semi-closed cavity, the magnetic component is fixed in the cavity, the magnetic component forms a magnetic gap, the stator component comprises a lower shell and a coil arranged on the lower shell, one part of the coil extends into the magnetic gap, the coil and the magnetic component are spaced, and the fixture extends into the gap between the coil and the magnetic component and positions the magnetic component and the coil.

2. An actuator according to claim 1, wherein: the opposite two sides of the coil are spaced from the magnetic assemblies, and the fixture extends between the opposite two sides of the coil and the magnetic assemblies.

3. An actuator according to claim 2, wherein: the fixture comprises at least one first U-shaped frame, and two arms of the first U-shaped frame respectively extend into two opposite sides of the coil.

4. An actuator according to claim 3, wherein: the fixture comprises two first U-shaped frames, and the two first U-shaped frames are distributed in the long edge direction of the coil respectively.

5. An actuator according to claim 4, wherein: the two first U-shaped frames are connected together.

6. An actuator according to claim 2, wherein: the fixture comprises a second U-shaped frame, and two arms of the second U-shaped frame are arranged on the same side of the coil.

7. An actuator according to claim 6, wherein: the fixture comprises two second U-shaped frames which are respectively positioned at two opposite sides of the coil.

8. An actuator according to claim 7, wherein: the two second U-shaped frames are connected together.

9. An actuator according to any of claims 1-8, wherein: the lower shell is provided with a through hole, and the clamp penetrates through the through hole from the side, opposite to the coil, of the lower shell and extends into the gap.

10. An electronic device, characterized in that: comprising a device body and an actuator according to any of claims 1-9, the actuator being arranged within the device body.

11. The electronic device of claim 10, wherein: the equipment body comprises a screen and an equipment shell, wherein the screen is arranged on the equipment shell, one of the stator assembly and the vibrator assembly is fixed on the screen, and the other one of the stator assembly and the vibrator assembly is fixed on the equipment shell.

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