CN212305586U

CN212305586U - Phase inversion structure device of sound box

Info

Publication number: CN212305586U
Application number: CN202021636222.XU
Authority: CN
Inventors: 栗存茂
Original assignee: Beijing Lanqing Technology Co ltd
Current assignee: Beijing Lanqing Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-01-05
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a sound box phase inversion structure device, which comprises a box body, wherein a baffle is welded in the box body, a loudspeaker is arranged at the middle position of the surface of one side of the baffle, and an installation frame is arranged on the binding surface of the loudspeaker and the baffle; the utility model discloses in, through the through hole that passes the screw hole of mounting bar and speaker edge in proper order with fastening bolt, thread groove threaded connection on fastening bolt's one end and baffle surface, make the speaker fastening installation on the baffle of box, when the box suffers the collision and excessively vibrates, the spring that the fastening bolt surface cup jointed can effectively cushion the irregular vibration or the rigid collision that the speaker suffered, make the speaker move about the reciprocating type small amplitude of baffle under the effect that fastening bolt position was injectd, thereby increase the shock attenuation effect of audio amplifier, avoid the audio amplifier to take place the condition that the speaker damaged because of the collision with excessively vibrating, thereby guarantee the security of audio amplifier at the carrying in-process.

Description

Phase inversion structure device of sound box

Technical Field

The utility model relates to a audio amplifier technical field especially relates to an audio amplifier looks inverted structure device.

Background

The phase inversion type speaker is also called a low frequency radiation type speaker, and is also the most commonly used box design in multimedia speakers. It is different from closed sound box in that the front of sound box is designed with cylindrical phase reversal hole to make the air inside and outside the box body circulate, and it has higher power bearing capacity and lower distortion than closed box, and its volume sense is sufficient, sensitivity is high, so that it is applicable to general family, also can be used in hall or professional place.

The existing phase inversion type sound box is in the using process, because the sound box is easy to collide and excessively vibrate in the carrying process, internal components of the sound box are staggered, and therefore the use of the sound box is influenced.

Therefore, the phase inversion structure device for the sound box has the advantages of shock absorption and strong high-power bearing capacity, and further solves the problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a phase inversion structure device of a sound box.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a sound box looks inverted structure device, includes the box, the inside welding of box has the baffle, and the intermediate position on baffle side surface is provided with the speaker, the binding face of speaker and baffle is provided with the installation frame, and the edge of installation frame has seted up the through hole, the baffle below is located the welding of box internal face and has the mounting bar, and the surface of mounting bar has fastening bolt through screw hole threaded connection, the surface of baffle corresponds fastening bolt and has seted up the thread groove, fastening bolt's one end runs through the through hole that the installation frame extends to the thread groove of baffle in, and fastening bolt's surface is located and has cup jointed the spring between mounting bar and the installation frame, the four corners welding that the below is located the box internal face of mounting bar has the set-square, and a side surface of set-square passes through screw fixed connection.

As a further description of the above technical solution: the surface of the cover plate is provided with a plurality of phase-reversing tubes, and disc-shaped hollow nets are embedded at one ends of the inner sides of the phase-reversing tubes, and the diameters of the hollow nets are 3-5 mm.

As a further description of the above technical solution: the middle position of the partition board is provided with a through hole corresponding to the loudspeaker, and rectangular grooves are formed in two sides of the through hole.

As a further description of the above technical solution: the mounting strips, the fastening bolts and the springs are all provided with multiple groups, and the multiple groups of mounting strips, the fastening bolts and the springs are distributed at four corners of the loudspeaker.

As a further description of the above technical solution: the set square is equipped with a plurality ofly altogether, and a plurality of set squares distribute at four corners on apron surface.

As a further description of the above technical solution: loudspeaker are provided with to loudspeaker side surface, and loudspeaker extend to in the through-hole of baffle.

The utility model discloses following beneficial effect has:

the utility model discloses in, through passing fastening bolt in proper order the screw hole of mounting bar and the through hole at speaker edge, until fastening bolt's one end and the thread groove threaded connection on baffle surface, impel the speaker fastening to install on the baffle of box, when the box suffers collision and excessive vibration, the spring that fastening bolt surface cup jointed can effectively cushion the irregular vibration or the rigid collision that the speaker suffered, impel the speaker to move about the baffle reciprocating type small amplitude under the effect that fastening bolt position was injectd, thereby increase the shock attenuation effect of audio amplifier, avoid the audio amplifier to take place the condition that the speaker damaged because of collision and excessive vibration, thereby guarantee the security of audio amplifier in the process of carrying;

the utility model discloses in, through the set-square laminating in apron and box medial surface four corners, then the screw runs through the four corners of apron and extends to in the set-square, realize being connected of apron and box, be provided with a plurality of paraphase pipes through the apron surface, two rectangular channels that cooperation baffle surface was seted up, make the sound that the speaker sent by a plurality of paraphase pipes of two rectangular channels direction, compare in traditional single paraphase pipe audio amplifier, effectively increase the high-power bearing capacity of audio amplifier, be applicable to the use in audio amplifier high-power output place, and simultaneously, all inlay to establish at the one end of a plurality of paraphase pipes and install disc fretwork net, effectively avoid the entering of impurity and toy under the state of guaranteeing audio amplifier normal use, thereby reduce and pile up or the condition that the toy tears to sting the circuit and lead to the stereo set damage because.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a device of a sound box phase inversion structure of the present invention;

fig. 2 is a schematic view of a bottom view of the device of the phase inversion structure of a sound box of the present invention;

fig. 3 is a schematic diagram of a structure of a cabinet of the sound box phase inversion structure apparatus of the present invention.

Illustration of the drawings:

1. a box body; 2. mounting a bar; 3. a set square; 4. a cover plate; 5. an inverter tube; 6. a partition plate; 7. a speaker; 8. a rectangular groove; 9. hollowing out the net; 10. fastening a bolt; 11. a thread groove; 12. a spring; 13. a through hole; 14. a threaded bore.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses an embodiment provides a loudspeaker box looks inverted structure device.

Referring to the drawings and the detailed description, as shown in fig. 1-3, the device of the present invention comprises a box 1, a partition plate 6 is welded inside the box 1, a speaker 7 is disposed at the middle position of one side surface of the partition plate 6, a mounting frame is disposed at the joint surface of the speaker 7 and the partition plate 6, a through hole is disposed at the edge of the mounting frame, a mounting bar 2 is welded on the inner wall surface of the box 1 below the partition plate 6, a fastening bolt 10 is screwed into the surface of the mounting bar 2 through a screw hole 14, a threaded groove 11 is disposed on the surface of the partition plate 6 corresponding to the fastening bolt 10, one end of the fastening bolt 10 extends into the threaded groove 11 of the partition plate 6 through the through hole of the mounting frame, and a spring 12 is sleeved between the mounting bar 2 and the mounting frame on the surface of the fastening bolt 10, the four corners of the inner wall surface of the box body 1 below the mounting strip 2 are welded with the triangular plate 3, one side surface of the triangular plate 3 is fixedly connected with the cover plate 4 through screws, the fastening bolts 10 sequentially penetrate through the threaded holes 14 of the mounting strip 2 and the through holes at the edges of the loudspeaker 7 until one ends of the fastening bolts 10 are in threaded connection with the threaded grooves 11 on the surface of the partition plate 6, so that the loudspeaker 7 is tightly mounted on the partition plate 6 of the box body 1, then the cover plate 4 is attached to the triangular plate 3 at the four corners of the inner side surface of the box body 1, then the screws penetrate through the four corners of the cover plate 4 and extend into the triangular plate 3, connection between the cover plate 4 and the box body 1 is realized, when the box body 1 is collided and excessively shaken, the springs 12 sleeved on the surfaces of the fastening bolts 10 can effectively buffer irregular shaking or hard collision suffered by the loudspeaker 7, so that the loudspeaker 7 can move, thereby increasing the damping effect of the sound box and avoiding the situation that the loudspeaker 7 is damaged due to collision and excessive vibration of the sound box;

in one embodiment, the surface of the cover plate 4 is provided with a plurality of phase-reversing tubes 5, and a disc-shaped hollow net 9 is embedded in one end of the inner side of each phase-reversing tube 5, the aperture of the hollow net 9 is 3-5mm, the disc-shaped hollow net 9 is embedded in one end of each phase-reversing tube 5, so that impurities and small animals can be effectively prevented from entering the loudspeaker box under the condition that the loudspeaker box is normally used, and therefore the situation that the loudspeaker box is damaged due to impurity accumulation or the fact that the small animals bite the circuit is reduced, the plurality of phase-reversing tubes 5 are arranged on the surface of the cover plate 4, and the two rectangular grooves 8 formed in the surface of the partition plate 6 are matched, so that the sound emitted by the loudspeaker 7 is guided to the plurality of phase-reversing tubes 5 through the two rectangular grooves 8, the high-power bearing.

In one embodiment, the middle position of the partition board 6 is opened with a through hole 13 corresponding to the speaker 7, and both sides of the through hole 13 are opened with rectangular grooves 8, which is beneficial to the transmission of the sound of the speaker 7 through the rectangular grooves 8, and facilitates the embedding of the speaker 7 into the loudspeaker through the through hole 13.

In one embodiment, the mounting bars 2, the fastening bolts 10 and the springs 12 are provided with a plurality of sets, and the plurality of sets of mounting bars 2, the fastening bolts 10 and the springs 12 are distributed at four corners of the loudspeaker 7, so that the mounting stability of the loudspeaker 7 can be improved, and the damping effect of the loudspeaker 7 can be ensured to be improved through the plurality of sets of mounting bars 2, the fastening bolts 10 and the springs 12.

In one embodiment, the set square 3 is provided with a plurality of set squares 3, and a plurality of set squares 3 are distributed at four corners of the surface of the cover plate 4, extend to the surface of the set square 3 through the cover plate 4 by bolts, and are beneficial to the connection of the cover plate 4 and the box body 1.

In one embodiment, a speaker is disposed on a side surface of the speaker 7, and the speaker extends into the through hole 13 of the partition 6, so that the sound emitted from the speaker 7 is transmitted from one side of the partition 6 to the other side by the rectangular groove 8, thereby increasing the high power capability of the sound box by the inverter tubes 5.

The working principle is as follows:

when the loudspeaker box is used, the fastening bolts 10 sequentially penetrate through the threaded holes 14 of the mounting strip 2 and the through holes at the edge of the loudspeaker 7 until one ends of the fastening bolts 10 are in threaded connection with the threaded grooves 11 on the surface of the partition plate 6, so that the loudspeaker 7 is fastened and mounted on the partition plate 6 of the box body 1, then the cover plate 4 is attached to the triangular plate 3 at four corners of the inner side surface of the box body 1, and then the screws penetrate through the four corners of the cover plate 4 and extend into the triangular plate 3, so that the connection between the cover plate 4 and the box body 1 is realized, when the box body 1 is collided and excessively vibrated, the springs 12 sleeved on the surfaces of the fastening bolts 10 can effectively buffer irregular vibration or hard collision suffered by the loudspeaker 7, so that the loudspeaker 7 can move in a reciprocating type and small amplitude relative to the partition plate 6 under the action of position limitation of the fastening bolts 10, thereby increasing the damping, be provided with a plurality of inverted phase pipes 5 through 4 surfaces of apron, two rectangular channels 8 that 6 surfaces of cooperation baffle were seted up, make the sound that speaker 7 sent by a plurality of inverted phase pipes 5 of two rectangular channels 8 direction, effectively increase the high-power bearing capacity of audio amplifier, be applicable to the use in the high-power output place of audio amplifier, and simultaneously, all inlay at the one end of a plurality of inverted phase pipes 5 and establish and install disc fretwork net 9, effectively avoid impurity and toy's entering under the state of guaranteeing audio amplifier normal use, thereby reduce because of impurity piles up or the toy tears the condition that bites the circuit and lead to the stereo set to damage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a loudspeaker box looks inverted structure device, includes box (1), its characterized in that: the loudspeaker box is characterized in that a partition plate (6) is welded in the box body (1), a loudspeaker (7) is arranged at the middle position of one side surface of the partition plate (6), an installation frame is arranged on the joint surface of the loudspeaker (7) and the partition plate (6), a through hole is formed in the edge of the installation frame, an installation strip (2) is welded on the inner wall surface of the box body (1) below the partition plate (6), a fastening bolt (10) is connected to the surface of the installation strip (2) through a threaded hole (14) in a threaded manner, a threaded groove (11) is formed in the surface of the partition plate (6) corresponding to the fastening bolt (10), one end of the fastening bolt (10) penetrates through the through hole of the installation frame and extends into the threaded groove (11) of the partition plate (6), a spring (12) is sleeved between the installation strip (2) and the installation frame on the surface of the fastening bolt (10), and a triangular plate (3) is welded at the four, and one side surface of the triangular plate (3) is fixedly connected with a cover plate (4) through a screw.

2. The phase inversion structure device of claim 1, wherein: the surface of the cover plate (4) is provided with a plurality of phase-reversing tubes (5), a disc-shaped hollow net (9) is embedded in one end of the inner side of each phase-reversing tube (5), and the aperture of each hollow net (9) is 3-5 mm.

3. The phase inversion structure device of claim 1, wherein: the middle position of baffle (6) corresponds speaker (7) and has seted up through-hole (13), and rectangular channel (8) have all been seted up to the both sides of through-hole (13).

4. The phase inversion structure device of claim 1, wherein: the loudspeaker is characterized in that the mounting strips (2), the fastening bolts (10) and the springs (12) are provided with multiple groups, and the multiple groups of mounting strips (2), the fastening bolts (10) and the springs (12) are distributed at four corners of the loudspeaker (7).

5. The phase inversion structure device of claim 1, wherein: the set square (3) are provided with a plurality of sets, and a plurality of set squares (3) are distributed at four corners of the surface of the cover plate (4).

6. The phase inversion structure device of claim 3, wherein: loudspeaker (7) one side surface is provided with loudspeaker, and loudspeaker extend to in through-hole (13) of baffle (6).