CN214045911U

CN214045911U - Sound box

Info

Publication number: CN214045911U
Application number: CN202023166797.2U
Authority: CN
Inventors: 王光东; 谢敏正; 黄志�
Original assignee: TCL Technology Electronics Huizhou Co Ltd
Current assignee: TCL Technology Electronics Huizhou Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-24
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a sound box, include: the box body comprises a front panel and two side panels, the two side panels are respectively connected to two opposite sides of the front panel, and the two side panels are provided with fixing holes; the front shell comprises a cover plate and two connecting plates, the two connecting plates are respectively connected to two opposite sides of the cover plate, and through holes corresponding to the fixing holes are formed in the two connecting plates; the cover plate is covered with the front panel, the connecting plate is attached to the side panel, and the distance from the center of the through hole to the cover plate is smaller than the distance from the center of the fixing hole to the cover plate; and the fasteners are sequentially inserted into the through holes and the fixing holes. The utility model discloses technical scheme can solve procapsid and box through taking the problem that leads to waterproof inefficacy because of taking the tooth post rebound when tooth post and hole site cooperation, can guarantee that the audio amplifier has the water-proof effects of longer time, does not influence the positive screen panel structure of procapsid moreover.

Description

Sound box

Technical Field

The utility model relates to an audio equipment technical field, in particular to audio amplifier.

Background

The sound box is a terminal of the whole sound system, and is used for converting audio electric energy into corresponding sound energy and radiating the sound energy to a space, and the sound box is an extremely important component of the sound system.

At present, among the current audio amplifier structure, generally install the speaker in box (wooden), the outside parcel of box has casing (plastic material), and the casing is closed to form by procapsid and back casing two parts each other. Because the loudspeaker needs to emit sound, the front panel of the box body and the front shell of the shell are provided with horn openings corresponding to the loudspeaker. In order to protect the loudspeaker, the surface of the front shell is covered with a mesh cover (iron) to cover the opening of the loudspeaker.

In order to achieve the overall waterproof effect of the sound box, the front shell and the rear shell are required to be tightly connected with the box body. The edge of the horn opening of the front shell needs to be tightly pressed with the edge pressing of the loudspeaker locked on the box body, and the front face of the front shell is covered by the mesh enclosure, so that the front shell is inconvenient to be connected with the box body in a mode of the following screws. The designs commonly used in the prior art are: the inner surface of the front shell is provided with a post with teeth, the corresponding position of the box body is provided with a hole site, and the post with teeth is inserted into the hole site to be glued and fixed. However, this design has drawbacks: the post with teeth inserts the phenomenon that has the bounce to have certain probability after the hole site of box, and once the post with teeth rebounds, the waterproof effect of audio amplifier will be discounted greatly.

In order to solve the problems that screws cannot be screwed on the front face of the front shell and the common toothed column can rebound with a certain probability, a novel sound box structure is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an audio amplifier, aim at solving procapsid and box through taking the tooth post and lead to the problem of waterproof inefficacy because of taking the tooth post rebound when the hole site cooperation, can guarantee that the audio amplifier has the water-proof effects of longer time, do not influence the positive screen panel structure of procapsid moreover.

In order to achieve the above object, the present invention provides a sound box, including: the box body comprises a front panel and two side panels, the two side panels are respectively connected to two opposite sides of the front panel, and the two side panels are provided with fixing holes; the front shell comprises a cover plate and two connecting plates, the two connecting plates are respectively connected to two opposite sides of the cover plate, and through holes corresponding to the fixing holes are formed in the two connecting plates; the cover plate is covered with the front panel, the connecting plate is attached to the side panel, and the distance from the center of the through hole to the cover plate is smaller than the distance from the center of the fixing hole to the cover plate; and the fasteners are sequentially inserted into the through holes and the fixing holes.

Optionally, the fastener comprises a head and a shank connected in series, the diameter of the shank being smaller than the diameter of the head; one side of the through hole, which is far away from the cover plate, is contacted with the rod part.

Optionally, the fastener comprises a head part, a transition part and a rod part which are connected in sequence, wherein the diameter of the transition part is smaller than that of the head part, and the diameter of the rod part is smaller than that of the transition part; from pole portion towards the head, the diameter of transition portion evenly increases progressively, and the via hole is kept away from one side of apron and is contacted with transition portion.

Optionally, the fastener comprises a head, a first transition part, a second transition part and a rod part which are connected in sequence, wherein the diameter of the first transition part is smaller than that of the head, the diameter of the second transition part is smaller than that of the first transition part, and the diameter of the rod part is smaller than that of the second transition part; from pole portion towards first transition portion, the diameter of second transition portion evenly increases progressively, and from second transition portion towards the head, the diameter of first transition portion is the same, and one side that the apron was kept away from to the via hole contacts with first transition portion.

Optionally, the side panel is provided with a plurality of fixing holes, the fixing holes are uniformly distributed along a direction parallel to the front panel, and the connecting plate is correspondingly provided with a plurality of through holes.

Optionally, a loudspeaker is arranged in the box body, a first opening is formed in the front panel, a second opening is formed in the cover plate, and the first opening and the second opening are matched with the loudspeaker.

Optionally, the speaker has a binder, the binder of the speaker being attached to the edge of the front panel surrounding the first opening, and the cover being attached to the binder of the speaker surrounding the edge of the second opening.

Optionally, the loudspeaker box further comprises: the screen panel, the via hole is located the connecting plate and keeps away from the border of apron, and the screen panel cover is located the apron and is deviated from the surface of front panel and the surface that the connecting plate deviates from the side board.

Optionally, the loudspeaker box further comprises: the rear shell is covered on the box body, and the rear shell and the front shell are mutually involutory.

Optionally, the edge of the connecting plate, on which the via hole is formed, is lapped on the rear housing, and the rear housing is provided with a through hole for the fastener to pass through.

The utility model discloses among the technical scheme, the apron of procapsid closes with the front panel lid of box, the connecting plate of procapsid and the side board laminating of box, the center of via hole is less than the center of fixed orifices to the distance of apron to the distance of via hole, when the fastener inserts in via hole and fixed orifices, there is interference with the fastener on one side that the apron was kept away from to the via hole, again because the procapsid has certain toughness and elasticity, at this moment, the fastener can apply a decurrent effort to the connecting plate of procapsid, make the procapsid wholly push down, and then make the apron of procapsid and the front panel of box compress tightly, thereby realize the zonulae occludens of the apron of procapsid and the front panel of box, guarantee the water-proof effects of audio amplifier. This technical scheme has solved procapsid and box and has leaded to the problem of waterproof inefficacy because of taking the rebound of tooth post when cooperating with the hole site through taking the tooth post, can keep the stable zonulae occludens relation of procapsid and box to guarantee that the audio amplifier has the waterproof effect of longer time, moreover, the fastener is the side-mounting of casing in the front, can not influence the positive screen panel structure of procapsid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the sound box of the present invention;

FIG. 2 is a schematic structural view of the speaker of FIG. 1 with the mesh enclosure removed;

FIG. 3 is a schematic structural view of the sound box of FIG. 1 with the mesh enclosure, the front housing and the rear housing removed;

FIG. 4 is a schematic structural view of a cabinet of the loudspeaker of FIG. 1;

FIG. 5 is a schematic side view of the speaker of FIG. 1;

FIG. 6 is a schematic cross-sectional view taken at A-A in FIG. 5;

fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sound box 100.

In the embodiment of the present invention, please refer to fig. 1 to 4, the sound box 100 includes: the box body 10 comprises a front panel 11 and two side panels 12, wherein the two side panels 12 are respectively connected to two opposite sides of the front panel 11, and the two side panels 12 are respectively provided with a fixing hole 121; the front shell 20 comprises a cover plate 21 and two connecting plates 22, the two connecting plates 22 are respectively connected to two opposite sides of the cover plate 21, and the two connecting plates 22 are respectively provided with a through hole 221 corresponding to the fixing hole 121; the cover plate 21 is covered with the front panel 11, the connecting plate 22 is attached to the side panel 12, and the distance from the center of the through hole 221 to the cover plate 21 is smaller than the distance from the center of the fixing hole 121 to the cover plate 21; the fastener 30, the fastener 30 is inserted into the through hole 221 and the fixing hole 121 in sequence.

Specifically, as shown in fig. 3 to 4, the box body 10 includes a front panel 11 and a rear panel which are oppositely disposed, and four side panels 12 which are disposed between the front panel 11 and the rear panel, wherein two side panels 12 are respectively connected to two opposite sides of the front panel 11 and the rear panel, the other two side panels 12 are respectively connected to two other opposite sides of the front panel 11 and the rear panel, and the front panel 11, the rear panel and the four side panels 12 jointly enclose to form the box body 10. As a sound box 100 for playing audio, a speaker 40 is provided in the cabinet 10. In the present embodiment, as shown in fig. 2, the front case 20 is mainly covered on the front panel 11 and two sets of opposite side panels 12 of the box 10, and the front case 20 includes a cover plate 21 and four connecting plates 22, two of the connecting plates 22 are respectively connected to two opposite sides of the cover plate 21, and the other two connecting plates 22 are respectively connected to the other opposite sides of the cover plate 21. It will be appreciated that, in order to be able to adapt to the cabinet 10, the cover 21 is slightly larger in size than the front panel 11, the angle between the web 22 and the cover 21 being 90 °. Further, as shown in fig. 1, a mesh enclosure 50 is provided to cover a surface of the cover plate 21 of the front case 20 facing away from the front panel 11 of the cabinet 10. The case 10 may be made of wood, the front case 20 may be made of plastic, and the mesh enclosure 50 may be made of iron.

The through hole 221 of the connecting plate 22 of the front case 20 corresponds to the fixing hole 121 of the side panel 12 of the box 10, and the front case 20 and the box 10 are fixed by inserting the fastener 30 into the through hole 221 and the fixing hole 121. The fastener 30 may be a bolt, a screw, or the like, without limitation. In this embodiment, the fasteners 30 are inserted at an angle of approximately 90 ° to the web 22 and side panels 12, i.e., the fasteners 30 are inserted into the through holes 221 and the fixing holes 121 perpendicular to the web 22 and side panels 12.

In the technical solution of the present invention, as shown in fig. 5 to 7, the distance from the center of the via hole 221 to the cover plate 21 is smaller than the distance from the center of the fixing hole 121 to the cover plate 21, that is, when the fastener 30 is not inserted into the via hole 221 and the fixing hole 121 and the front case 20 and the case 10 are not acted by external force, the positions of the via hole 221 and the fixing hole 121 are not completely opposite, but the via hole 221 is closer to the cover plate 21 (or the front panel 11) than the fixing hole 121 in the height direction. Of course, it is understood that the aperture sizes of both the via hole 221 and the fixing hole 121 are adapted to the fastener 30, that is, the fastener 30 can be inserted into the via hole 221 and the fixing hole 121, only the positions of both the via hole 221 and the fixing hole 121 are offset in the height direction, that is, the position of the via hole 221 is offset and the position of the fixing hole 121 is offset. With such an arrangement, when the fastener 30 is inserted into the through hole 221 and the fixing hole 121, one side of the through hole 221, which is far away from the cover plate 21 (or the front panel 11), interferes with the fastener 30 (for example, 0.5mm), and the front housing 20 (made of plastic material) has certain toughness and elasticity, at this time, the fastener 30 applies a downward acting force to the connecting plate 22 of the front housing 20, so that the front housing 20 is pressed downward (for example, 0.5mm) as a whole, and the cover plate 21 of the front housing 20 is further pressed against the front panel 11 of the cabinet 10, so that the cover plate 21 of the front housing 20 is tightly connected with the front panel 11 of the cabinet 10, and the waterproof effect of the sound box 100 is ensured. This technical scheme has solved procapsid 20 and box 10 and has leaded to the problem of waterproof inefficacy because of taking the tooth post bounce-back when cooperating with the hole site through taking the tooth post, can keep the stable close connection relation of procapsid 20 and box 10 to guarantee that audio amplifier 100 has the waterproof effect of longer time, moreover, fastener 30 is the side-mounting at procapsid 20, can not influence the positive screen panel 50 structure of procapsid 20.

In an embodiment of the present invention, the fastener 30 includes a head 31 and a shaft 34 connected in sequence, and the diameter of the shaft 34 is smaller than that of the head 31; the via 221 contacts the stem 34 away from the side of the cover plate 21.

In this embodiment, the fastener 30 is a screw. The surface of the shaft portion 34 of the fastening member 30 is provided with external threads, the fixing hole 121 is a screw hole, and the inner wall of the fixing hole 121 is provided with internal threads matched with the shaft portion 34 of the fastening member 30. When the fastener 30 is inserted into the through hole 221 and the fixing hole 121, the shaft 34 of the fastener 30 is screwed into the fixing hole 121, and at the same time, the through hole 221 and the shaft 34 of the fastener 30 interfere with each other on a side away from the cover plate 21 (or the front panel 11), and because the front housing 20 (made of plastic) has certain toughness and elasticity, at this time, the fastener 30 applies a downward acting force to the connecting plate 22 of the front housing 20, so that the front housing 20 is pressed downward (for example, 0.5mm) as a whole, and finally, the head 31 of the fastener 30 presses the connecting plate 22 of the front housing 20 to press the connecting plate 22 against the side panel 12 of the cabinet 10, and at the same time, the cover plate 21 of the front housing 20 presses against the front panel 11 of the cabinet 10, so that the cover plate 21 of the front housing 20 can be tightly connected to the front panel 11 of the cabinet 10, and the waterproof effect of the sound box 100 can be ensured.

In another embodiment of the present invention, the fastener 30 comprises a head 31, a transition portion and a rod portion 34 connected in sequence, the diameter of the transition portion is smaller than that of the head 31, and the diameter of the rod portion 34 is smaller than that of the transition portion; the diameter of the transition portion increases uniformly from the stem portion 34 toward the head portion 31, and the edge of the through hole 221 remote from the cover plate 21 contacts the transition portion.

In this embodiment, the fastener 30 is a screw. The surface of the shaft portion 34 of the fastening member 30 is provided with external threads, the fixing hole 121 is a screw hole, and the inner wall of the fixing hole 121 is provided with internal threads matched with the shaft portion 34 of the fastening member 30. When the fastener 30 is inserted into the through hole 221 and the fixing hole 121, the shank 34 of the fastener 30 is screwed into the fixing hole 121, and at the same time, the through hole 221 interferes with the transition portion of the fastener 30 at a side away from the cover plate 21 (or the front panel 11), and because the front housing 20 (made of plastic) has certain flexibility and elasticity, the fastener 30 applies a downward force to the connecting plate 22 of the front housing 20, and the connecting plate 22 moves downward along the transition portion under the action of the guiding slope formed by the transition portion of the fastener 30, so that the front housing 20 is pressed downward (for example, 0.5mm) as a whole, and finally, the lower edge (i.e., the side away from the cover plate 21) of the through hole 221 contacts the transition portion of the fastener 30, the head 31 of the fastener 30 presses on the connecting plate 22 of the front housing 20, and presses the connecting plate 22 against the side panel 12 of the box 10, the cover plate 21 of the front case 20 is pressed against the front panel 11 of the cabinet 10, so that the cover plate 21 of the front case 20 can be tightly connected with the front panel 11 of the cabinet 10, and the waterproof effect of the sound box 100 is ensured. Wherein, through set up the transition portion on fastener 30 and form the direction inclined plane, when inserting fastener 30, connecting plate 22 can be along transition portion downstream, can make things convenient for the assembly of fastener 30, reduces the installation degree of difficulty.

In another embodiment of the present invention, referring to fig. 5 to 7, the fastener 30 includes a head 31, a first transition portion 32, a second transition portion 33 and a rod portion 34 connected in sequence, the diameter of the first transition portion 32 is smaller than that of the head 31, the diameter of the second transition portion 33 is smaller than that of the first transition portion 32, and the diameter of the rod portion 34 is smaller than that of the second transition portion 33; the diameter of the second transition part 33 increases uniformly from the rod part 34 to the first transition part 32, the diameter of the first transition part 32 is the same from the second transition part 33 to the head part 31, and the side of the through hole 221 far from the cover plate 21 is in contact with the first transition part 32.

In this embodiment, the fastener 30 is a screw. The surface of the shaft portion 34 of the fastening member 30 is provided with external threads, the fixing hole 121 is a screw hole, and the inner wall of the fixing hole 121 is provided with internal threads matched with the fastening member 30. When the fastener 30 is inserted into the through hole 221 and the fixing hole 121, the shank 34 of the fastener 30 is screwed into the fixing hole 121, and at the same time, the through hole 221 and the first transition portion 32 and the second transition portion 33 of the fastener 30 interfere with each other on the side away from the cover plate 21 (or the front panel 11), and because the front housing 20 (made of plastic) has certain flexibility and elasticity, the fastener 30 will apply a downward force to the connecting plate 22 of the front housing 20, and under the action of the guiding slope formed by the second transition portion 33 of the fastener 30, the connecting plate 22 moves downward along the second transition portion 33, so that the front housing 20 is pressed downward (for example, 0.5mm) as a whole, and finally, the lower edge (i.e., the side away from the cover plate 21) of the through hole 221 contacts with the first transition portion 32 of the fastener 30, the head 31 of the fastener 30 presses on the connecting plate 22 of the front housing 20, and presses the connecting plate 22 against the side panel 12 of the box 10, meanwhile, the cover plate 21 of the front case 20 is pressed against the front panel 11 of the cabinet 10, so that the cover plate 21 of the front case 20 is tightly connected with the front panel 11 of the cabinet 10, and the waterproof effect of the sound box 100 is ensured. The second transition part 33 forms a guide inclined plane on the fastener 30, and when the fastener 30 is inserted, the connecting plate 22 can move downwards along the second transition part 33, so that the fastener 30 can be conveniently assembled, and the mounting difficulty is reduced; the first transition portion 32 forms a smooth step on the fastener 30, which facilitates the stable fit relationship between the through hole 221 and the fastener 30.

As an embodiment, referring to fig. 1 to 5, the side panel 12 is provided with a plurality of fixing holes 121, the fixing holes 121 are uniformly distributed along a direction parallel to the front panel 11, and the connecting plate 22 is correspondingly provided with a plurality of through holes 221.

In this embodiment, the plurality of via holes 221 are disposed on the edge of the connecting plate 22 away from the cover plate 21, and the plurality of via holes 221 are uniformly arranged at intervals along the edge of the connecting plate 22 in a linear manner. Through setting up via hole 221 in a plurality of positions of connecting plate 22, then a plurality of fasteners 30 can be in a plurality of positions with connecting plate 22 of procapsid 20 and side board 12 fixed connection of box 10, can further strengthen the relation of connection between procapsid 20 and the box 10, guarantee procapsid 20 and the stable firm connection of box 10 to guarantee the water-proof effects of audio amplifier 100.

Specifically, the cabinet 10 is provided with the speaker 40 therein, referring to fig. 2 to 4, the front panel 11 is provided with a first opening 111, the cover 21 is provided with a second opening 211, and both the first opening 111 and the second opening 211 are adapted to the speaker 40.

In this embodiment, the first opening 111 of the front panel 11 and the second opening 211 of the cover plate 21 are both circular holes, and both the sizes of the first opening 111 and the second opening 211 are adapted to the size of the speaker 40, the first opening 111 and the second opening 211 are concentric and overlap, and the speaker 40 is exposed from the first opening 111 and the second opening 211. With this arrangement, when the speaker 40 plays audio, sound can be diffused to the external space of the sound box 100 through the first opening 111 and the second opening 211.

Further, referring to fig. 2 to 4 and 6, the speaker 40 has a pressing edge 41, the pressing edge 41 of the speaker 40 is attached to the edge of the front panel 11 surrounding the first opening 111, and the edge of the cover 21 surrounding the second opening 211 is attached to the pressing edge 41 of the speaker 40.

Generally, the speaker 40 is generally configured to include a cone, and the related functional components (such as voice coil, magnet, magnetic conductive column, magnetic conductive plate, and centering piece) are mounted on the cone, and a ring of outwardly extending pressing edges 41 is disposed at the top edge of the cone. In this embodiment, the pressing edge 41 of the speaker 40 is fixed on the front panel 11 of the cabinet 10, and when the cover plate 21 of the front housing 20 is pressed against the front panel 11 of the cabinet 10, the cover plate 21 of the front housing 20 is pressed against the pressing edge 41 of the speaker 40, that is, the pressing edge 41 of the speaker 40 is sandwiched between the cover plate 21 and the front panel 11, so that the pressing seal between the cover plate 21 of the front housing 20 and the front panel 11 of the cabinet 10 can be realized, and the waterproof effect can be ensured.

Specifically, referring to fig. 1 and 6, the sound box 100 further includes: the mesh enclosure 50 and the via hole 221 are located on the edge of the connecting plate 22 away from the cover plate 21, and the mesh enclosure 50 is covered on the surface of the cover plate 21 away from the front panel 11 and the surface of the connecting plate 22 away from the side panel 12.

In this embodiment, the mesh enclosure 50 covers the surface of the housing deviating from the box body 10, and the mesh enclosure 50 at least covers the cover plate 21 deviating from the mesh enclosure 50 and covers the cover plate 21, so as to cover both the first opening 111 and the second opening 211. The mesh enclosure 50 is densely provided with a plurality of meshes, so that the loudspeaker 40 is not influenced to output audio signals outwards while the protection effect on the loudspeaker 40 is realized. In addition, a plurality of via holes 221 can all be set up on the edge that the connecting plate 22 is kept away from the apron 21, and like this, screen panel 50 still can simultaneously cover the surface that connecting plate 22 deviates from side panel 12 to the installation of convenient screen panel 50.

Specifically, referring to fig. 1, 2 and 6, the sound box 100 further includes: and a rear case 60, wherein the rear case 60 is covered on the case 10, and the rear case 60 and the front case 20 are mutually matched.

In this embodiment, the rear case 60 and the front case 20 are assembled together on the case 10 to form a complete case. Since the mesh cover 50 is not covered on the surface of the rear case 60, the rear case 60 can be fixed to the cabinet 10 by directly screwing down the front surface.

Further, referring to fig. 7, the edge of the connecting plate 22 having the through hole 221 is overlapped on the rear housing 60, and the rear housing 60 has a through hole 601 for the fastening member 30 to pass through.

In this embodiment, the fastening member 30 is inserted into the fixing hole 121 of the casing 10 through the through hole 221 of the front case 20 and the through hole 601 of the rear case 60 in sequence. The fastening member 30 can fix the front case 20 and the rear case 60 to the cabinet 10 at the same time, thereby enhancing the connection relationship between the rear case 60 and the cabinet 10, ensuring stable and firm connection of the rear case 60 and the cabinet 10, and saving screws on the rear case 60.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An acoustic enclosure, comprising:

the box body comprises a front panel and two side panels, the two side panels are respectively connected to two opposite sides of the front panel, and fixing holes are formed in the two side panels;

the front shell comprises a cover plate and two connecting plates, the two connecting plates are respectively connected to two opposite sides of the cover plate, and through holes corresponding to the fixing holes are formed in the two connecting plates; the cover plate is covered with the front panel, the connecting plate is attached to the side panel, and the distance from the center of the through hole to the cover plate is smaller than the distance from the center of the fixing hole to the cover plate;

and the fasteners are sequentially inserted into the via holes and the fixing holes.

2. An acoustic enclosure according to claim 1, wherein the fastener comprises a head and a shaft connected in series, the shaft having a diameter smaller than the head;

one side of the through hole, which is far away from the cover plate, is in contact with the rod part.

3. The sound box according to claim 1, wherein the fastening member comprises a head portion, a transition portion and a shaft portion connected in sequence, the diameter of the transition portion is smaller than that of the head portion, and the diameter of the shaft portion is smaller than that of the transition portion;

the diameter of the transition part is uniformly increased from the rod part to the head part, and one side of the through hole, which is far away from the cover plate, is in contact with the transition part.

4. The acoustic enclosure of claim 1, wherein the fastener comprises a head portion, a first transition portion, a second transition portion, and a stem portion connected in series, the first transition portion having a diameter smaller than a diameter of the head portion, the second transition portion having a diameter smaller than a diameter of the first transition portion, the stem portion having a diameter smaller than a diameter of the second transition portion;

from the rod part to the first transition part, the diameter of the second transition part is uniformly increased, from the second transition part to the head part, the diameter of the first transition part is the same, and one side of the through hole, which is far away from the cover plate, is in contact with the first transition part.

5. The sound box according to claim 1, wherein a plurality of said fixing holes are formed in said side panel, and are uniformly arranged in a direction parallel to said front panel, and a plurality of said through holes are correspondingly formed in said connecting plate.

6. The sound box according to claim 1, wherein a speaker is disposed in the box body, a first opening is disposed on the front panel, a second opening is disposed on the cover plate, and both the first opening and the second opening are adapted to the speaker.

7. An acoustic enclosure according to claim 6, wherein the speaker has a flange, the flange of the speaker being attached to the edge of the front panel surrounding the first opening, and the flange of the cover being attached to the flange of the speaker surrounding the second opening.

8. An acoustic enclosure according to any one of claims 1 to 7, wherein the acoustic enclosure further comprises:

the mesh enclosure, the via hole is located the connecting plate is kept away from the border of apron, the mesh enclosure cover is located the apron deviates from the surface of front panel and the connecting plate deviates from the surface of side board.

9. An acoustic enclosure according to any one of claims 1 to 7, wherein the acoustic enclosure further comprises:

and the rear shell is covered on the box body, and the rear shell and the front shell are mutually involuted.

10. The sound box according to claim 9, wherein the edge of the connecting plate on which the via hole is formed is lapped on the rear housing, and the rear housing is provided with a through hole through which the fastening member passes.