CN213938003U - Vibration reduction structure and mobile terminal - Google Patents

Abstract

The utility model discloses a damping structure and mobile terminal, wherein, damping structure, be in including back lid and setting cavity between other modules in back lid and the terminal, be provided with the buffer in the cavity. The embodiment of the utility model provides a damping structure, through set up the buffering thing between battery cover and battery, the function of sound damping is inhaled in the performance, reduces the noise that stereo cell-phone produced in cell-phone shell position to reduce mobile phone vibration.

Description

Vibration reduction structure and mobile terminal

Technical Field

The utility model relates to an electronic equipment technical field, concretely relates to damping structure and mobile terminal.

Background

With the development of mobile terminal technology, mobile terminals have been widely used in the lives of people. The mobile terminal facility is provided with a loudspeaker which emits sound through a sound emitting hole in the mobile terminal shell. With the increasing performance requirements of users on mobile phone audio, many mobile phone manufacturers have begun to develop mobile phone external stereo schemes.

However, for the sound of the mobile phone to be radiated, the open rear cavity often causes the sound to be transmitted in the mobile phone cover and form resonance to generate noise, and when the sound is loud, the mobile phone cover has a serious vibration sense, which causes poor user experience.

The phenomenon is particularly obvious for a mobile phone with a receiver and a loudspeaker integrated in stereo in the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a vibration reduction structure and a mobile terminal that can reduce the noise and the vibration of a stereo phone.

On the one hand, the application provides a damping structure, be in including back lid and setting cavity between other modules of back lid and terminal, be provided with the buffer in the cavity.

Further, the bumper includes a yielding region including geometrically shaped grooves and/or geometrically shaped holes, the yielding region being disposed on a surface of the bumper.

Optionally, the buffer is foam.

Optionally, the buffer includes a vibration reduction layer and a sound guide layer, which are stacked, and the sound guide layer is provided with a sound guide hole.

Furthermore, the sound guiding layer comprises a longitudinal sound guiding layer and a transverse sound guiding layer, wherein a longitudinal sound guiding hole is formed in the longitudinal sound guiding layer, and a transverse sound guiding hole perpendicular to the longitudinal sound guiding hole is formed in the transverse sound guiding layer.

Optionally, the buffer includes at least two vibration reduction layers respectively in contact with the upper and lower surfaces of the sound guide layer.

Optionally, a support layer is further arranged on the vibration damping layer on the lower layer, the support layer comprises a foam strip arranged in a wave shape, and the foam strip is in contact with other terminal modules.

On the other hand, the application provides a mobile terminal, include as above the damping structure, mobile terminal is provided with two unification structures of loudspeaker earphone.

Furthermore, the two-in-one structure of the loudspeaker and the receiver is arranged in an open cavity.

Further, the buffer object setting area is a cavity formed between the battery and the rear cover.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

the embodiment of the utility model provides a damping structure, through set up the buffering thing between battery cover and battery, the function of sound damping is inhaled in the performance, reduces the noise that stereo cell-phone produced in cell-phone shell position to reduce mobile phone vibration.

The embodiment of the utility model provides a damping structure protects the cell-phone battery through the bubble is cotton, good heat-proof quality, leakproofness, cushioning nature etc. advantage.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic structural diagram of a vibration damping structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a foam according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a foam according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of the foam according to the embodiment of the present invention;

FIG. 5 is a schematic view of a split at A-A in FIG. 4;

fig. 6 is a schematic structural diagram of a mobile phone according to an embodiment of the present invention.

1. A battery cover; 2. a battery; 3. a cavity; 4. soaking cotton; 41. a vibration damping layer; 42. a sound-guiding layer; 43. a sound guide hole; 44. a heat dissipation support layer; 45. an adhesive layer; 421. a longitudinal sound guide layer; 422. A transverse sound guide layer; 431. a longitudinal sound guide hole; 432. the sound guide holes are transversely arranged; 433. a vertical sound guide hole; 441. cotton sliver soaking; 5. an acoustic assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-5, the utility model provides a vibration damping structure, including the back lid and set up cavity between back lid and the other modules in terminal, be provided with the buffer in the cavity. The bumper includes a yielding region including geometrically shaped grooves and/or geometrically shaped holes, the yielding region being disposed on a surface of the bumper.

Optionally, the buffer is a high-porosity substance such as foam.

When the vibration damping structure is specifically arranged, the vibration damping structure comprises a battery cover 1 and a cavity 3 arranged between the battery cover 1 and the battery 2, foam 4 is arranged in the cavity 3, the foam 4 comprises a vibration damping layer 41 and a sound guiding layer 42 which are arranged in a stacking mode, and a sound guiding hole 43 is formed in the sound guiding layer 42.

In some embodiments, the sound guiding layer 42 includes a longitudinal sound guiding layer 421 and a transverse sound guiding layer 422, the longitudinal sound guiding layer 421 has a longitudinal sound guiding hole 431 formed thereon, and the transverse sound guiding layer 422 has a transverse sound guiding hole 432 formed thereon, which is perpendicular to the longitudinal sound guiding hole 431. As shown in fig. 4.

It is worth noting that when the sound guide layer is specifically arranged, the sound guide layer can be a single layer, and the sound guide holes are transversely and longitudinally arranged on the single layer sound guide layer, so that the same action effect can be achieved; the sound-absorbing plate can also be arranged in multiple layers, and when multiple layers are arranged, the sound conduction direction can be better dispersed, and a better sound-absorbing effect is generated.

In specific implementation, the foam 4 is further provided with a vertical sound guiding hole 433 penetrating through at least the guiding layer. Preferably, the vertical sound guide hole penetrates through the vibration reduction layer and the sound guide layer.

In some embodiments, the foam comprises at least two vibration damping layers respectively in contact with the upper surface and the lower surface of the sound guide layer. It is worth noting that the vibration reduction layer can be arranged in a plurality of layers and respectively arranged on two sides of the sound guide layer, so that the sound absorption and vibration reduction effects can be improved.

In addition, the vibration damping layer 41 is fixed to the battery cover by an adhesive layer 45. A heat dissipation support layer 44 is further disposed between the vibration damping layer 41 and the battery 2, the heat dissipation support layer 44 includes a plurality of wavy tampons 441, and the tampons 441 are in contact with the battery 2.

It is noted that in particular the tampon may be provided in different shapes, e.g. circular, triangular, square, etc. The wave shape is the preferred scheme, improves the length of bubble cotton strip, plays the supporting role, simultaneously, when the bubble cotton produces vibrations deformation, can kick-back fast.

The yielding area can be in the form of a sound guide hole, can also be an area formed by a tampon, can be used as a space for heating and expanding the battery, and can also be used as a channel for transmitting sound in the cavity of the battery cover.

The vibration reduction layer, the sound conduction layer and the heat dissipation support layer can be made of the same material or different materials. In the specific implementation, when different materials are adopted, the layers can be adhered and fixed together through the adhesive, and if the materials of the layers are the same, the same foam block can be processed.

As shown in fig. 6, the utility model provides a mobile terminal, include as above the damping structure, mobile terminal is provided with two unification structures of loudspeaker earphone, two unification structures of loudspeaker earphone are for opening the chamber setting, the buffer sets up the cavity that constitutes between regional battery and the back lid. The mobile terminal can be a mobile phone and comprises a mobile phone body, wherein the mobile phone body is provided with a sound assembly 5, and the mobile phone body is provided with the vibration reduction structure. The sound component is a sound component integrating a receiver and a loudspeaker.

The embodiment of the utility model provides a damping structure is cotton through setting up the bubble between battery cover and battery, and the function of sound damping is inhaled in the performance, reduces the noise that stereo cell-phone produced at cell-phone shell position to reduce mobile phone vibration.

The embodiment of the utility model provides a damping structure through leading the sound hole on sound layer sets up horizontal, vertical, the vertical direction, transmits the sound in the cell-phone shell to the cotton each position of bubble, produces better sound effect of inhaling, further reduces stereophonic murmurmur.

The embodiment of the utility model provides a damping structure through setting up the heat dissipation support layer on mobile phone batteries, reduces the area of contact of bubble cotton with the battery, for the battery inflation that generates heat reserves certain safe space, improves the security performance, increases the radiating effect simultaneously.

The embodiment of the utility model provides a damping structure protects the cell-phone battery through the bubble is cotton, good heat-proof quality, leakproofness, cushioning nature etc. advantage.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims (9)

1. The utility model provides a vibration reduction structure, includes the back lid and sets up cavity between other modules of back lid and terminal, its characterized in that, be provided with the buffer in the cavity, the buffer is including the region of dodging, the region of dodging includes the groove of geometry and/or the hole of geometry, the region of dodging sets up the surface of buffer.

2. The vibration damping structure according to claim 1, wherein the cushion is foam.

3. The vibration damping structure according to claim 1, wherein the buffer includes a vibration damping layer and a sound guide layer which are stacked, and the sound guide layer is provided with a sound guide hole.

4. The vibration damping structure according to claim 3, wherein the sound guide layer comprises a longitudinal sound guide layer and a transverse sound guide layer, the longitudinal sound guide layer is provided with longitudinal sound guide holes, and the transverse sound guide layer is provided with transverse sound guide holes perpendicular to the longitudinal sound guide holes.

5. The vibration damping structure according to claim 3, wherein the buffer includes at least two vibration damping layers in contact with upper and lower surfaces of the sound-guiding layer, respectively.

6. The damping structure according to claim 3, wherein a support layer is further arranged on the damping layer at the lower layer, and the support layer comprises a waved foam strip which is in contact with other terminal modules.

7. A mobile terminal comprising a vibration damping structure according to any one of claims 1 to 6, wherein the mobile terminal is provided with a speaker-earpiece two-in-one structure.

8. The mobile terminal of claim 7, wherein the speaker phone two-in-one structure is an open cavity configuration.

9. The mobile terminal of claim 8, wherein the buffer disposing area is a cavity formed between the battery and the rear cover.

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