CN219678639U - Horn shell structure capable of eliminating resonance and abnormal sound - Google Patents

Abstract

The utility model relates to a loudspeaker shell structure capable of eliminating resonance and abnormal sound, which belongs to the technical field of loudspeakers and comprises a loudspeaker shell, an inner hard adhesive layer and an outer soft adhesive layer, wherein the inner hard adhesive layer is buckled at the top of the loudspeaker shell, and a gap is reserved between the bottom surface of the inner hard adhesive layer and the top surface of the loudspeaker shell; the outer soft glue layer is attached to the outer surface of the inner hard glue layer, the outer soft glue layer is buckled on the top of the sound box shell in a sealing mode, a gap is reserved between the bottom surface of the inner hard glue layer with certain hardness and the top surface of the sound box shell, the bottom surface of the outer soft glue layer which is easy to deform is connected with the top surface of the sound box shell in a sealing mode, when the sound box shell vibrates, the outer soft glue layer can absorb vibration from the sound box shell, and the problem of resonance between the inner hard glue layer and the sound box shell and abnormal sound caused by mutual collision between the inner hard glue layer and the sound box shell is solved.

Description

Horn shell structure capable of eliminating resonance and abnormal sound

Technical Field

The utility model belongs to the technical field of horns, and particularly relates to a horn shell structure capable of eliminating resonance and abnormal sound.

Background

At present, a sound box is equipment which is frequently used by people and used for making sound, and has a wide application range, including families, meeting rooms, KTVs, singing and dancing halls and other places. The loudspeaker is used as a sound generating element and is one of important constituent elements of the loudspeaker box.

Such as patent grant bulletin number: the patent CN 213522276U discloses a simple sound box with stable use, which comprises a sound box shell, a loudspeaker unit, a buffer ring, a shock pad and a net cover. The sound box shell is provided with an installation cavity, the loudspeaker unit, the buffer ring and the shock pad are all arranged in the installation cavity, the installation cavity is provided with an installation part, the loudspeaker unit is provided with a vibrating membrane, the buffer ring is sleeved on the periphery of the vibrating membrane and is arranged on the installation part, the sound outlet is formed in the sound box shell, the shock pad is arranged on the inner end surface of the installation cavity, the shock pad is provided with a concave position for positioning the loudspeaker unit, the lower end of the loudspeaker unit is adaptively positioned in the concave position, and the mesh enclosure is arranged on the sound outlet; so, through the design of buffer ring, avoided loudspeaker unit to appear resonance phenomenon between in the use and the audio amplifier casing, prevented that the audio amplifier from appearing the distortion phenomenon, and, the setting of shock pad avoids loudspeaker unit to influence other components and parts in the use, uses stably, and structural design is ingenious reasonable, and the shock attenuation effect is good, has improved the life of audio amplifier.

Based on the search of the patent grant bulletin number, in combination with the shortcomings thereof, it is found that:

at present, the junction of sound box shells on the market is not provided with shock-absorbing structure, and this can lead to loudspeaker sounding time, and the junction of sound box shells can take place abnormal sound and resonance, and abnormal sound not only causes the user to leave bad experience to the use of audio amplifier easily, and the resonance of sound box shell junction can lead to unable sealing connection between two upper and lower sound box shells simultaneously, and two sound box shells take place to drop easily.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a loudspeaker shell structure capable of eliminating resonance and abnormal sound, which comprises a sound box shell with a hollow interior, an inner hard adhesive layer and an outer soft adhesive layer, wherein the inner hard adhesive layer is buckled at the top of the sound box shell, and a gap is reserved between the bottom surface of the inner hard adhesive layer and the top surface of the sound box shell; the outer soft glue layer is attached to the outer surface of the inner hard glue layer, the outer soft glue layer is buckled on the top of the sound box shell in a sealing mode, a gap is reserved between the bottom surface of the inner hard glue layer with certain hardness and the top surface of the sound box shell, the bottom surface of the outer soft glue layer which is easy to deform is connected with the top surface of the sound box shell in a sealing mode, when the sound box shell vibrates, the outer soft glue layer can absorb vibration from the sound box shell, and the problem of resonance between the inner hard glue layer and the sound box shell and abnormal sound caused by mutual collision between the inner hard glue layer and the sound box shell is solved.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a can eliminate loudspeaker shell structure of resonance and abnormal sound, includes audio amplifier casing and audio amplifier face net, the audio amplifier face net lock in the top of audio amplifier casing, the audio amplifier face net still includes interior hard glue film and outer soft glue film, outer soft glue film cladding in the surface of interior hard glue film, outer soft glue film's edge with the top surface edge of audio amplifier casing offsets, interior hard glue film with leave the clearance between the top surface of audio amplifier casing, just interior hard glue film with can dismantle the cooperation between the audio amplifier casing.

As a preferable technical scheme of the utility model, the inner hard adhesive layer is a net layer made of PC material.

As a preferable technical scheme of the utility model, the outer soft rubber layer is a TPU mesh layer.

As a preferable technical scheme of the utility model, the top surface of the sound box shell is provided with a clamping groove, the edge of the inner hard rubber layer is provided with a buckle, and the clamping groove is buckled with the buckle.

As a preferable technical scheme of the utility model, the clamping grooves and the buckles are provided with a plurality of clamping grooves which are correspondingly matched with the buckles, any clamping groove is buckled with the corresponding buckle, the clamping grooves are uniformly arranged along the central axis of the sound box shell at equal angles, the clamping grooves are uniformly arranged along the central axis of the inner hard adhesive layer at equal angles, and the central axis of the sound box shell and the central axis of the inner hard adhesive layer are mutually overlapped.

As a preferable technical scheme of the utility model, the top of the clamping groove is provided with the hook head, the top surface of the hook tip part of the hook head is a guide surface, the bottom surface of the edge of the inner hard adhesive layer is connected with the inner wall surface through a guide inclined surface, and the guide inclined surface is matched with the guide surface.

As a preferable technical scheme of the utility model, a deformation gap for deformation of the guide inclined plane is reserved between the guide inclined plane and the guide surface.

As a preferable technical scheme of the utility model, the side wall surface and the bottom surface of the buckle are connected with each other through chamfer surfaces.

As a preferable technical scheme of the utility model, the inner hard adhesive layer is arched with the bottom surface of the periphery flush and the middle higher than the periphery.

As a preferable technical scheme of the utility model, the outer soft adhesive layer is provided with a protruding part at the joint of the outer soft adhesive layer and the bottom surface of the edge of the inner hard adhesive layer, and the protruding part extends into a gap reserved between the inner hard adhesive layer and the top surface of the loudspeaker box shell.

The beneficial effects of the utility model are as follows:

the utility model provides a loudspeaker shell structure capable of eliminating resonance and abnormal sound, which also comprises an inner hard adhesive layer and an outer soft adhesive layer, wherein the inner hard adhesive layer is buckled at the top of a loudspeaker shell, and a gap is reserved between the bottom surface of the inner hard adhesive layer and the top surface of the loudspeaker shell; the outer soft glue layer is attached to the outer surface of the inner hard glue layer, the outer soft glue layer is buckled on the top of the sound box shell in a sealing mode, a gap is reserved between the bottom surface of the inner hard glue layer with certain hardness and the top surface of the sound box shell, the bottom surface of the outer soft glue layer which is easy to deform is connected with the top surface of the sound box shell in a sealing mode, when the sound box shell vibrates, the outer soft glue layer can absorb vibration from the sound box shell, and the problem of resonance between the inner hard glue layer and the sound box shell and abnormal sound caused by mutual collision between the inner hard glue layer and the sound box shell is solved.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is an overall view of a horn housing structure for eliminating resonance and abnormal sound in accordance with the present utility model;

FIG. 2 is a cross-sectional view of a horn housing structure for eliminating resonance and abnormal sound in accordance with the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present utility model;

description of the main symbols

In the figure: 1. a sound box shell; 2. an inner hard adhesive layer; 3. an outer soft adhesive layer; 4. a clamping groove; 5. and (5) a buckle.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.

Referring to fig. 1-3, the embodiment provides a speaker shell structure capable of eliminating resonance and abnormal sound, including an inner hollow speaker shell 1, a speaker is disposed in the speaker shell 1, the speaker shell further includes an inner hard adhesive layer 2 and an outer soft adhesive layer 3, the inner hard adhesive layer 2 is buckled at the top of the speaker shell 1, the outer soft adhesive layer 3 is attached to the outer surface of the inner hard adhesive layer 2, the outer surface of the inner hard adhesive layer 2 is the top surface and the edge thereof, it is worth noting that the inner hard adhesive layer 2 of the device has a certain mechanical hardness and toughness, under normal conditions, the inner hard adhesive layer 2 is not deformed, when a person presses the top of the inner hard adhesive layer 2, the inner hard adhesive layer 2 and the speaker shell 1 are separated at this moment, the outer soft adhesive layer 3 is made of a colloid material, the inner hard adhesive layer 2 has a deformable capability, the outer soft adhesive layer 3 is attached to the outer surface of the inner hard adhesive layer 2 irremovably, when the inner hard adhesive layer 2 is buckled at the top of the speaker shell 1, a gap between the bottom surface of the inner hard adhesive layer 2 and the top surface of the speaker shell 1 does not exist, and the sound box 1 has no gap between the top surface and the bottom surface of the speaker shell 1.

The advantage of this design lies in, when the loudspeaker of this device begins to operate, because the principle of its sound production is just through vibration sound production, therefore loudspeaker and loudspeaker connection's audio amplifier casing 1 inevitably take place the vibration, because the bottom surface of outer soft glue film 3 is connected with audio amplifier casing 1's top surface laminating, and outer soft glue film 3 is by the colloid material preparation, but the ability of deformation has, therefore the vibration from audio amplifier casing 1 all can be absorbed by outer soft glue film 3 when outer soft glue film 3, and the bottom surface of interior hard glue film 2 is because there is certain clearance with audio amplifier casing 1's top surface, therefore the vibration from audio amplifier casing 1 just passes through the lock department with audio amplifier casing 1 and interior hard glue film 2 and transmits interior hard glue film 2, because the area of contact of lock department is limited, therefore the vibration of interior hard glue film 2 is not particularly obvious, and because outer soft glue film 3 is laminated in interior hard glue film 2's surface completely, therefore can further reduce the vibration of interior hard glue film 2. Meanwhile, a certain gap exists between the bottom surface of the inner hard rubber layer 2 and the top surface of the sound box shell 1, so that the top surface of the sound box shell 1 cannot collide with the bottom surface of the inner hard rubber layer 2, and the problem that abnormal sound is generated due to the mutual collision between the sound box shell 1 and the inner hard rubber layer 2 is solved.

Further, the inner hard rubber layer 2 of the device is made of PC material, and the density of the PC material is small, so that the inner hard rubber layer 2 made of the PC material is light in weight and easy to carry. Meanwhile, the PC material has high strength, better impact resistance and durability, and can well protect elements in the loudspeaker box shell 1. The PC material has good heat resistance, and is suitable for severe environments such as high temperature, low temperature or humidity. In addition, the PC material processing equipment is mature, the inner hard rubber layer 2 made of PC material can be processed into a specific shape, and the processing cost is low. In summary, the inner hard adhesive layer 2 of the device is made of PC material.

Further, the outer soft rubber layer 3 of the device is made of TPU materials, and the TPU materials have excellent shockproof and damping capacities, so that the loudspeaker box of the loudspeaker can be effectively lightened through external intermediate level and vibration, and the tone quality is improved. Meanwhile, the TPU material has toughness and wear resistance, so that the TPU material can be used and worn for a long time without obvious damage or deformation. The TPU material also has the property of easy cleaning and maintenance, and can be used for cleaning the outer soft adhesive layer 3 by using a common cleaning agent. In addition, the TPU material is a light material, so that the device is lighter and more convenient to carry.

Further, the loudspeaker box shell 1 is provided with a clamping groove 4, the inner hard adhesive layer 2 is provided with a buckle 5, the clamping groove 4 and the buckle 5 are mutually buckled, and the inner hard adhesive layer 2 can be buckled at the top of the loudspeaker box shell 1 through the mutual buckling of the clamping groove 4 and the buckle 5.

Further, the device clamping groove 4 and the buckle 5 are respectively provided with a plurality of clamping grooves 4 and a plurality of buckles 5, and any clamping groove 4 is buckled on the corresponding buckle 5. The design is that the number of buckling positions between the sound box shell 1 and the inner hard glue layer 2 is increased by increasing the number of the clamping grooves 4 and the buckles 5, so that the connection strength between the sound box shell 1 and the inner hard glue layer 2 is enhanced.

Further, a plurality of draw-in grooves 4 of this device evenly set up along the equal angle of the central axis of audio amplifier casing 1, and buckle 5 evenly sets up along the equal angle of the central axis of interior hard glue film 2, and when interior hard glue film 2 and audio amplifier casing 1 lock each other are connected, the central axis of interior hard glue film 2 and the central axis of audio amplifier casing 1 coincide each other. The device evenly sets up a plurality of draw-in grooves 4 and buckle 5 at audio amplifier casing 1 and interior hard glue layer 2 respectively with equal angle for audio amplifier casing 1 and interior hard glue layer 2's buckling department, everywhere atress is unanimous, not only makes things convenient for the buckling between audio amplifier casing 1 and the interior hard glue layer 2 to be connected, has also guaranteed simultaneously the buckling quality between audio amplifier casing 1 and the interior hard glue layer 2.

Further, the draw-in groove 4 top of this device is provided with the eave tile, and the top surface of eave tile is the guide surface, is connected through the direction inclined plane between the marginal bottom surface and the internal face of interior hard glue layer 2, and the direction inclined plane matches with the guide surface is parallel to each other, and reserves the deformation clearance between direction inclined plane and the guide surface, and this deformation clearance's effect lies in when the direction inclined plane takes place deformation, can provide the space for the deformation change of direction inclined plane. The aim at that sets up like this, this device is realized being connected through buckle 5 lock and draw-in groove 4, replaced traditional screwed connection, when the audio amplifier face net of this device need dismantle the separation with audio amplifier casing 1 each other, only need press the audio amplifier face net this moment, the audio amplifier face net then can take place deformation, and then lead to the direction inclined plane to take place deformation, owing to exist the clearance between direction inclined plane and the direction face this moment, consequently the direction inclined plane can take place deformation in deformation clearance, and then lead to the buckle 5 position outwards removal of being connected with the direction inclined plane, no longer with the mutual lock of draw-in groove 4, realize dismantling each other between buckle 5 and the draw-in groove 4, finally realize audio amplifier face net and the mutual dismantlement separation of audio amplifier casing 1.

Further, the side wall surface and the bottom surface of the buckle 5 of the device are connected through chamfer surfaces, so that the buckle 5 is beneficial to entering the clamping groove 4, and the buckle 5 is buckled in the clamping groove 4 more easily.

Furthermore, the shape of the sound box surface net of the device is that the bottom surfaces of the four sides are flush, and the middle of the sound box surface net is higher than the arch shape of the four sides, so that the purpose of the design is that on one hand, the bottom surfaces of the four sides are flush to ensure that the stress at the buckling connection part of the inner hard rubber layer 2 and the shell 1 is uniform; on the other hand, the inner hard rubber layer 2 is designed to be higher than the arch in the middle, so that when the inner hard rubber layer 2 and the shell 1 are required to be disassembled conveniently, the middle of the inner hard rubber layer 2 is pressed, the guide inclined plane deforms, the buckle 5 is driven to withdraw from the clamping groove 4, and the buckling state between the inner hard rubber layer 2 and the shell 1 is relieved.

Further, the outer soft adhesive layer 3 of the device is formed with a protruding part at the joint of the outer soft adhesive layer 3 and the bottom surface of the edge of the inner hard adhesive layer 2, and the protruding part extends into a gap reserved between the inner hard adhesive layer 2 and the top surface of the loudspeaker box shell 1, so that the design increases the contact area between the outer soft adhesive layer 3 and the inner hard adhesive layer 2, wraps the inner hard adhesive layer 2 in the outer soft adhesive layer 3 better, and protects the inner hard adhesive layer 2; on the other hand, through setting up the clearance that leaves between interior hard glue layer 2 and the audio amplifier casing 1 top surface with the protruding portion, then in order to guarantee to have not contacted between interior hard glue layer 2 and the audio amplifier casing 1 top surface, guarantee that the device can not spread out the abnormal sound at the during operation.

The present utility model is not limited to the above embodiments, but is not limited to the above embodiments, and any modifications, equivalents and variations made to the above embodiments according to the technical matter of the present utility model can be made by those skilled in the art without departing from the scope of the technical matter of the present utility model.

Claims (10)

1. The utility model provides a can eliminate loudspeaker shell structure of resonance and abnormal sound, includes audio amplifier casing and audio amplifier face net, the audio amplifier face net lock in the top of audio amplifier casing, its characterized in that: the sound box surface net further comprises an inner hard adhesive layer and an outer soft adhesive layer, the outer soft adhesive layer is coated on the outer surface of the inner hard adhesive layer, the edge of the outer soft adhesive layer is propped against the edge of the top surface of the sound box shell, a gap is reserved between the inner hard adhesive layer and the top surface of the sound box shell, and the inner hard adhesive layer is detachably matched with the sound box shell.

2. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 1, wherein: the inner hard adhesive layer is a net layer made of PC material.

3. A horn housing structure for eliminating resonance and abnormal sound as defined in claim 2, wherein: the outer soft adhesive layer is a net layer made of TPU material.

4. A horn housing structure for eliminating resonance and abnormal sound as defined in claim 3, wherein: the top surface of audio amplifier casing is provided with the draw-in groove, interior hard gum layer edge is provided with the buckle, the draw-in groove with the buckle lock.

5. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 4, wherein: the draw-in groove with the buckle all is provided with a plurality of, and a plurality of the draw-in groove with the buckle corresponds the matching, and arbitrary draw-in groove lock is in corresponding buckle, and a plurality of the draw-in groove is followed the equal angle of the central axis of audio amplifier casing evenly sets up, and a plurality of the buckle is followed the equal angle of the central axis of interior hard glue film evenly sets up, the central axis of audio amplifier casing with the central axis of interior hard glue film coincides each other.

6. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 5, wherein: the top of draw-in groove is provided with the eave tile, the top surface of the eave tile portion of eave tile is the guide surface, be connected through the direction inclined plane between the marginal bottom surface of interior hard glue film and the internal face, direction inclined plane and guide surface cooperation.

7. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 6, wherein: a deformation gap for deformation of the guide inclined plane is reserved between the guide inclined plane and the guide surface.

8. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 5, wherein: the side wall surface and the bottom surface of the buckle are connected with each other through chamfer surfaces.

9. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 1, wherein: the inner hard adhesive layer is in an arch shape with the bottom surface at the periphery flush and the middle higher than the periphery.

10. The horn housing structure for eliminating resonance and abnormal sound as defined in claim 1, wherein: the outer soft adhesive layer is formed with a protruding part at the joint of the outer soft adhesive layer and the bottom surface of the edge of the inner hard adhesive layer, and the protruding part extends into a gap reserved between the inner hard adhesive layer and the top surface of the loudspeaker box shell.