CN216960092U - Multifunctional plastic active sound box - Google Patents

Abstract

The utility model provides a multifunctional plastic active sound box, and belongs to the field of sound box structures. The utility model comprises a face shell, a rear shell matched with the face shell, a high-pitch unit and a low-pitch driving unit, wherein the high-pitch unit and the low-pitch driving unit are arranged between the face shell and the rear shell, a high-pitch horn and a low-pitch driving unit mounting position are arranged on the face shell in parallel, the high-pitch unit is arranged at the throat of the high-pitch horn, the low-pitch driving unit is arranged on the low-pitch unit mounting position, a circuit board connected with the high-pitch unit and the low-pitch driving unit respectively is arranged on the rear shell, and the high-pitch horn is 100 degrees x80 degrees to cover the horn. The beneficial effects of the utility model are as follows: the anti-seismic structure effectively reduces the resonance of sound and the box body, reduces the formation of standing waves in the box body, and has a simple and firm integral structure.

Description

Multifunctional plastic active sound box

Technical Field

The utility model relates to a sound box structure, in particular to a multifunctional plastic active sound box.

Background

The active audio amplifier of current specialty, because contain high pitch unit and bass unit simultaneously, and because professional performance demand, consequently, its power is often great, and current professional audio amplifier often adopts very thick and heavy timber, utilizes the weight of self to satisfy the requirement of preventing resonance, and this just causes whole audio amplifier very heavy, portable not convenient to carry to, be subject to the casing material, can't exert the outward appearance and the volume of extremely product with acoustic performance according to the demand customization.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a multifunctional plastic active sound box.

The utility model comprises a face shell, a rear shell matched with the face shell, a high-pitch unit and a low-pitch drive unit, wherein the high-pitch unit and the low-pitch drive unit are arranged between the face shell and the rear shell, a high-pitch horn and a low-pitch drive unit installation position are arranged on the face shell in parallel, the high-pitch unit is arranged at the throat of the high-pitch horn, the low-pitch drive unit is arranged on the low-pitch unit installation position, a circuit board connected with the high-pitch unit and the low-pitch drive unit respectively is arranged on the rear shell, the face shell and the rear shell are made of plastic materials, anti-seismic structures are arranged on the face shell and the rear shell, and the anti-seismic structures are reinforcing ribs arranged on the periphery of the face shell and the rear shell.

The utility model is further improved, the high-pitch horn is 100 degrees x80 degrees, and the back of the covering horn is provided with a first reinforcing rib for reinforcing the structure of the covering horn and a second reinforcing rib connected with the face shell.

The utility model is further improved, the high pitch unit adopts a 1.75-inch titanium film to compress the high pitch unit, and a 1-inch outlet is arranged.

The utility model is further improved, and the throat of the high-pitch horn is also provided with a power indicator lamp.

The utility model is further improved and also comprises a protective net arranged in front of the face shell, and the front of the face shell is provided with a supporting column for supporting the protective net.

In a further improvement of the present invention, the panel housing is provided with a sound guide hole near the bass drive unit.

The utility model is further improved, and the multifunctional plastic active sound box also comprises a first handle arranged on the upper surface and the lower surface of the rear shell and second handles arranged on two sides of the front shell.

The utility model is further improved, and a suspension point for hoisting the multifunctional plastic active sound box is arranged at the joint of the first handle and the rear shell.

The utility model is further improved, the side surface of the rear shell comprises a plane for transversely placing the multifunctional plastic active sound box and an inclined surface connected with the plane, the inclined surface is close to the rear side of the rear shell and is obliquely arranged towards the rear side, the included angle between the plane and the inclined surface is 40 degrees, and the inclined surfaces at two sides are gradually close to the rear side of the rear shell.

The utility model is further improved, the periphery of one side of the rear shell close to the face shell is provided with a connecting surface connected with the face shell, and the connecting surface is provided with a sealing groove.

Compared with the prior art, the utility model has the beneficial effects that: the anti-seismic structure effectively reduces the resonance of sound and the box body, reduces the formation of standing waves in the box body, and has a simple and firm integral structure; the plastic injection molding is convenient for optimizing the shell with mechanical molding, so that the volume of the box body can better exert the acoustic performance to the utmost extent; the movement and the carrying are convenient; the suspension point can be arranged, can be hoisted, and can also be transversely placed on the ground to be used as a monitoring sound box, so that diversified requirements are met; the 100x80 coverage horn, on-axis and off-axis response provide high quality and consistency so that the entire soundfield area is covered uniformly and with high definition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure with the protective net removed;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the face shell structure of the present invention;

FIGS. 5 and 6 are schematic views of the rear housing structure of the present invention;

FIG. 7 is a schematic view of a first handle structure according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples.

As shown in fig. 1-3, the present invention includes a protective iron net 1, a face housing 3, a back housing 6 matching with the face housing 3, a treble unit 5 and a bass driving unit 2 arranged between the face housing 3 and the back housing 6, wherein the face housing 3 is provided with a treble horn 4 and a bass driving unit mounting position in parallel up and down, wherein the treble unit 5 is fixed at the throat of the treble horn 4 through a treble unit mounting plate, the bass driving unit 2 is locked on the bass driving unit mounting position through a bolt, a circuit board 9 connected with the treble unit 5 and the bass driving unit 2 respectively is arranged on the back surface 6 of the back housing, and a plug hole 11 of a standard mounting bracket of 35mm is further arranged below the circuit board 9. A first handle 7 is arranged on the upper surface and the lower surface of the rear shell 6, and M8 hanging points 8 are arranged at the fixed points of the first handle 7 and the rear shell 6. The suspension point can be arranged for hoisting or transversely placed on the ground, and various suspension and other installation modes can be realized. Two second handles 10 are arranged on two sides of the rear shell 6, so that the requirement of transverse carrying or longitudinal carrying is met.

The front surface of the face shell 3 of this embodiment is provided with a supporting column 301 for supporting the protective iron net 1, and two sides below the bass driving unit 2 are provided with 2 triangular guiding holes 302, so that bass sound waves in the box body are subjected to phase inversion and then are superposed with bass sound in front of the sound box, and the bass sound is plump.

The front shell 3, the rear shell 6 and the first handle 7 are all made of plastic materials, the inner cavity of the structure of the embodiment meets the acoustic characteristics by arranging an anti-seismic structure, the formation of standing waves of the box body is weakened actively, and the purpose of effectively weakening resonance is achieved by using appropriate PP materials, injection molding technology and the like. The structure is firm and convenient to carry.

The high pitch horn of this example is 100x80 cover horn, the high pitch unit adopts 1.75 cun titanium membrane compression high pitch unit, is equipped with 1 cun export. The brand new waveguide horn assembly designed by the embodiment ensures that the sound radiation coverage angle is matched with high frequency, frequency dividing point and low frequency, and the special design structure guides the frequency to cover a designated area. The constant response consistency is 100x80 degree coverage angle mode, and the on-axis and off-axis responses provide high quality and consistency, so that the whole sound field area is uniformly and completely covered with high definition, which means that the present example presents smooth and transparent sound to all listeners.

The two-frequency-division multifunctional active loudspeaker is adopted in the embodiment, and can be set to be 8 inches, 12 inches and 15 inches, so that more models can be set, and the requirements of large and small fields can be met.

In the embodiment, a power indicator lamp is further arranged at the throat of the high-pitch horn 4 and used for indicating whether the sound box can work normally or not when the sound box is electrified. The power supply indicator lamp is arranged at the throat, so that light energy emitted by the power supply indicator lamp can be radiated into the whole high-pitch horn, and the whole sound box looks higher. And a colorful display lamp can be set according to requirements.

As shown in fig. 4, the upper and lower first ribs 310 are provided on the back of the tweeter horn to form a criss-cross rib network to increase the rigidity of the face housing 3. In addition, 4 second reinforcing ribs 311 are additionally arranged on the back of the horn and extend to 2 side faces of the box body, so that the connection stability is further improved. In this example, 3 screw holes 306 are provided on the periphery of the throat for fixing the lamp panel of the power indicator, and 4 holes are provided on the periphery of the screw holes 306 for fixing the treble unit mounting plate.

In this embodiment, a plurality of reinforcing ribs are added around the front housing, and in particular, 8 reinforcing ribs are provided at the positions of the screws fixed to the rear housing 6, and a reinforcing plate 309 is provided on the 8 reinforcing ribs for mounting the screws to lock the front housing 3 and the rear housing 6 together.

In the embodiment, hexagonal 8-M5 copper nuts are embedded in screw holes 308 on the periphery of the bass drive unit mounting position, so that the fixing effect is better, and in order to enable the structure to be more stable, a third reinforcing rib 307 is additionally arranged at the screw holes 308.

As shown in fig. 5 and 7, the rear housing 6 of this embodiment includes a plane 601 for horizontally placing the multifunctional plastic active speaker and an inclined plane 602 connected to the plane 601, the inclined plane 602 is disposed near the rear side of the rear housing 6 and inclined toward the rear side, an included angle between the plane 601 and the inclined plane 602 is 40 degrees, and the inclined planes 602 on both sides are disposed gradually close to each other toward the rear side of the rear housing. The 40-degree angles on the two sides can be grounded to be used as a monitoring sound box.

The upper top surface and the lower top surface of the rear shell 6 are respectively provided with a handle clamping position 603 and a handle bolt fixing hole 604, a buckle 703 is arranged at the position where the first handle 7 corresponds to the clamping position 603, a stud 702 corresponds to the handle bolt fixing hole 604, the back surface of the first handle is also provided with a plurality of ribs, and after the first handle 7 is clamped on the rear shell 6, the first handle is mounted on the rear shell 6 through the four bolt fixing holes 604. In this embodiment, the fixing bolt of M12 is used, the screw hole of M8 is arranged on the top of the fixing bolt, the bolt of M8 can be installed for hanging the sound box, and the sound box can be carried or moved by the handle 701.

As shown in fig. 6, the rear shell 6 of this embodiment is also covered with reinforcing ribs 606 around to form a grid, and especially, the studs of the front and rear shell lock screws are provided with a reinforcing post 605 having a triangular cross section at the position corresponding to the screw position of the front shell 3, so that the whole plastic box has sufficient rigidity.

One side that rear shell 6 is close to face shell 3 is equipped with all around and is connected the face that meets with the face shell, it is provided with 4 mm's seal groove to connect the face, can pack sealed glue, makes the front and back shell coincide the back, plays the sealed effect of box, in addition, also can prevent that waterproof stripe etc. from reaching sealed effect.

Compared with the prior art, the anti-seismic structure effectively reduces the resonance of sound and the box body, reduces the formation of standing waves in the box body, and has a simple and firm integral structure; the plastic injection molding is convenient for optimizing the shell with mechanical molding, so that the volume of the box body can better exert the acoustic performance to the utmost extent; is convenient for moving and carrying.

The above-described embodiments are intended to be illustrative, and not restrictive, of the utility model, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. A multi-functional plastic active speaker, its characterized in that: including the face-piece, with the backshell that the face-piece matches, set up high pitch unit and bass drive unit between face-piece and backshell, wherein, be equipped with high pitch horn and bass drive unit installation position on the face-piece side by side, wherein, high pitch unit sets up the laryngeal opening of high pitch horn, bass drive unit sets up on the bass unit installation position, be equipped with the circuit board that links to each other with high pitch unit and bass drive unit respectively on the backshell, face-piece and backshell are the plastic material, all be equipped with anti-seismic structure on face-piece and the backshell, anti-seismic structure is for setting up face-piece and backshell strengthening rib all around.

2. The multi-functional plastic active speaker of claim 1, wherein: the high pitch horn is 100x80 covering horn, the covering horn back is equipped with the first strengthening rib of strengthening self structure and the second strengthening rib that links to each other with the face-piece.

3. The multi-functional plastic active speaker of claim 1, wherein: the high pitch unit adopts 1.75 cun titanium membrane compression high pitch unit, is equipped with 1 cun export.

4. The multi-functional plastic active speaker of claim 1, wherein: the throat of the high-pitch horn is also provided with a power indicator lamp.

5. The multi-functional plastic active speaker as claimed in any one of claims 1-4, wherein: still including setting up the protection network in face shell the place ahead, the face shell openly is equipped with the support column of protection network.

6. The multi-functional plastic active speaker of any one of claims 1-4, wherein: the face shell is provided with a sound guide hole near the bass driving unit.

7. The multi-functional plastic active speaker of any one of claims 1-4, wherein: the multifunctional plastic active sound box further comprises a first handle arranged on the upper surface and the lower surface of the rear shell and second handles arranged on two sides of the front shell.

8. The multi-functional plastic active speaker of claim 7, wherein: and a suspension point for hoisting the multifunctional plastic active sound box is arranged at the joint of the first handle and the rear shell.

9. The multi-functional plastic active speaker of claim 7, wherein: the rear shell side comprises a plane for transversely placing the multifunctional plastic active sound box and an inclined plane connected with the plane, the inclined plane is close to the rear shell rear side and is obliquely arranged towards the rear side, an included angle between the plane and the inclined plane is 40 degrees, and the inclined planes at two sides are gradually close to the rear shell rear side.

10. The multi-functional plastic active speaker of any one of claims 1-4, wherein: the rear shell is close to one side of face shell and is equipped with the connection face that meets with the face shell all around, it is equipped with the seal groove to connect the face.

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