CN218976787U - Support type low-frequency loudspeaker box - Google Patents

Abstract

The utility model relates to the technical field of low-frequency sound boxes, in particular to a bracket type low-frequency loudspeaker sound box, which comprises an active bass loudspeaker, wherein the active bass loudspeaker comprises a decorative cabinet and a bass loudspeaker arranged in the decorative cabinet, and the horn mouth of the bass loudspeaker is arranged downwards; the top intermediate position at decorating the cabinet has offered the standing groove, is equipped with the audio amplifier body in the standing groove, is fixed with the backup pad respectively in the both sides of standing groove, is equipped with the screw hole in the backup pad, wears to be equipped with rather than the cooperation screw thread post at the screw hole internal thread, is connected with the handle at the outer end of screw thread post, and the inner is connected with the grip block, and the grip block rotates with the screw thread post to be connected, is equipped with the telescopic link between grip block and backup pad. The utility model can save the placing space, achieve better low-frequency sound pressure effect when being matched with the sound box bodies with different models and sizes and the active subwoofers, enlarge the application range, provide enough reflecting space for sound waves, avoid the generation of turbid noise, improve the low-frequency energy of the sound box bodies and have better sound effect.

Description

Support type low-frequency loudspeaker box

Technical Field

The utility model relates to the technical field of low-frequency sound boxes, in particular to a bracket type low-frequency loudspeaker sound box.

Background

A loudspeaker is a means of diffusing sound and is a device that converts an audio signal into sound. In popular terms, the power amplifier is arranged in the main box body of the sound box or the bass box body, and after the audio signal is amplified, the sound is played back by the sound box, so that the sound is amplified.

At present, during performance, a full-frequency sound box and a bass sound box are generally required to be equipped, and the full-frequency sound box can enable sound to feel full and flat, because the full-frequency sound box in the hertz range acceptable by human ears cannot be fully covered. The key of the bass loudspeaker box is that the feeling of a sound field is given to people, and the sound quality processing in each frequency band is fine and smooth, so that the bass loudspeaker box can make up the low frequency of the whole-frequency loudspeaker box and improve the low frequency energy so as to achieve better sound effect when being combined with the whole-frequency loudspeaker box.

However, the existing full-frequency sound box and the existing subwoofer are often of split design, occupy space and are inconvenient to carry, and in addition, the design layout of the subwoofer structure becomes a problem in order to achieve a better low-frequency sound pressure effect under the environment that the ultralow frequency has a large sound pressure demand.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the bracket type low-frequency loudspeaker sound box comprises an active subwoofer, wherein the active subwoofer comprises a decoration cabinet and a woofer arranged in the decoration cabinet, and a horn mouth of the woofer is arranged downwards;

the top intermediate position of decorating cabinet has seted up the standing groove be equipped with the audio amplifier body in the standing groove, the audio amplifier body is connected with active subwoofer electricity the both sides of standing groove are fixed with the backup pad respectively be equipped with the screw hole in the backup pad the screw hole internal thread wears to be equipped with rather than the cooperation screw thread post the outer end of screw thread post is connected with the handle, and the inner is connected with the grip block, the grip block rotates with the screw thread post to be connected be equipped with the telescopic link between grip block and the backup pad.

Preferably, rubber protection pads are respectively arranged at the bottom end in the placing groove and on the end face of the clamping plate, which is contacted with the sound box body.

Preferably, an adjustable supporting leg adjusting mechanism is arranged at the bottom of the decorative cabinet.

Preferably, the supporting leg adjusting mechanism comprises a supporting rod fixed at the bottom of the decorating cabinet, a sleeve is movably sleeved outside the supporting rod, a through hole is formed in the middle of one side wall of the sleeve, a plurality of threaded holes are formed in one side of the supporting rod corresponding to the through hole, and fixing bolts are in threaded fit with the through holes and the corresponding threaded holes.

Preferably, a guiding protrusion is arranged on the inner wall of the sleeve opposite to the through hole, and a chute which is in sliding fit with the guiding protrusion is arranged on the supporting rod.

Preferably, a self-locking universal wheel is arranged at the bottom of the sleeve.

The utility model has the beneficial effects that:

1. according to the utility model, the active subwoofer and the sound box body are arranged into the bracket type integrated structure, so that the space is saved, the attractiveness is improved, and the arrangement mode that the horn mouth of the subwoofer faces the bottom surface can enable sound waves emitted by the subwoofer during working to be reflected through the ground, so that the sound pressure effect is further enhanced, the total output efficiency of the active subwoofer and the sound box body is increased, the low-frequency energy of the sound box body is further improved, and better sound effect is achieved.

2. The height of the support rod in the sleeve is adjusted, and the support rod is fixed by the fixing bolt, so that the whole device can be leveled at an uneven ground position, and the stability of the device during working is ensured; the height of the active subwoofer from the ground can be adjusted through the supporting leg adjusting mechanism, so that when the loudspeaker box body with different models and sizes are matched with the active subwoofer, a better low-frequency sound pressure effect is achieved, enough sound wave reflection space can be provided for the working of the woofer, the sound wave reaches the optimal propagation distance, the low-frequency sound pressure effect is improved, the situation that the distance from the ground is too close to the ground is prevented, the sound wave reflection distance is short, and turbid low-frequency noise is generated.

Drawings

FIG. 1 is a schematic overall construction of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a leg adjustment mechanism according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

the reference numerals in the figures are: the novel decorative cabinet comprises a decorative cabinet body 1, a supporting plate 2, a sound box 3, a supporting leg 4 adjusting mechanism, a self-locking universal wheel 5, a woofer 6, a placing groove 7, a rubber protection pad 8, a sliding groove 9, a sleeve 10, a guide protrusion 11, a supporting rod 12, a fixing bolt 13, a clamping plate 14, a telescopic rod 15, a handle 16, a threaded column 17 and a threaded hole 18.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1

As shown in fig. 1 to 4, the bracket type low-frequency loudspeaker sound box comprises an active subwoofer, wherein the active subwoofer comprises a decorative cabinet 1 and a woofer 6 arranged in the decorative cabinet 1, and the horn mouth of the woofer 6 is downwards arranged; the sound wave that can make woofer 6 send through the reflection on ground, further strengthen the sound pressure effect to increase the total output efficiency of active subwoofer, improve the low frequency energy of audio amplifier body 3 then, under great sound pressure demand environment, in order to reach better audio effect.

The top intermediate position at decorating cabinet 1 has seted up standing groove 7, is equipped with audio amplifier body 3 in standing groove 7, and audio amplifier body 3 is connected with active subwoofer electricity, is fixed with backup pad 2 respectively in the both sides of standing groove 7, is equipped with screw hole 18 on backup pad 2, wears to be equipped with rather than cooperation screw thread post 17 at the screw hole 18 internal thread, is connected with handle 16 at the outer end of screw thread post 17, and the inner is connected with grip block 14, and grip block 14 is connected with screw thread post 17 rotation, is equipped with telescopic link 15 between grip block 14 and backup pad 2. The clamping of the loudspeaker box body 3 with different models and sizes can be realized by adjusting the threaded column 17, so that the loudspeaker box body is more stable in moving. Rubber protection pads 8 are respectively arranged at the bottom end in the placing groove 7 and the end face of the clamping plate 14 contacted with the sound box body 3. The rubber protection pad 8 is used for protecting the sound box body 3, and when the sound box body 3 is prevented from moving, the bottom of the clamping plate 14 or the placing groove 7 collides with the sound box body 3 when contacting.

An adjustable supporting leg adjusting mechanism 4 is arranged at the bottom of the decorative cabinet 1. The supporting leg adjusting mechanism 4 comprises a supporting rod 12 fixed at the bottom of the decorating cabinet 1, a sleeve 10 is movably sleeved outside the supporting rod 12, a through hole is formed in the middle of one side wall of the sleeve 10, a plurality of threaded holes 18 are formed in one side of the supporting rod 12 corresponding to the through hole, fixing bolts 13 are arranged in the through hole and the corresponding threaded holes 18, and a self-locking universal wheel 5 is arranged at the bottom of the sleeve 10. The universal wheel 5 can facilitate the movement of the whole device and the carrying.

The inner wall of the sleeve 10 opposite to the through hole is provided with a guide protrusion 11, the support rod 12 is provided with a chute 9 which is in sliding fit with the guide protrusion 11, and the guide protrusion 11 can prevent the support rod 12 from shifting when sliding in the sleeve 10, thereby playing a guiding role; because the sound boxes of different models and sizes need to be matched with active subwoofers of proper models for use, and the sound waves of the woofers of different models are different, when the active subwoofers of different models and the sound box body 3 are matched for use, a better low-frequency sound pressure effect is achieved, the sound boxes can slide in the sleeve 10 through the support rods 12 and are fixed by the fixing bolts 13, so that the heights of the active subwoofers can be adjusted, the heights of the woofers of different models from the ground can be adjusted, the woofers 6 have enough sound wave reflection space from the ground during operation, the sound waves can reach the optimal propagation distance, the low-frequency sound pressure effect is better, the sound wave reflection distance is prevented from being too close to the ground, and turbid low-frequency noise is generated, so that the sound box body 3 has poor sound effect.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The bracket type low-frequency loudspeaker sound box is characterized by comprising an active subwoofer, wherein the active subwoofer comprises a decorative cabinet (1) and a woofer (6) arranged in the decorative cabinet (1), and a horn mouth of the woofer (6) is downwards arranged;

the utility model provides a decorative cabinet (1) top intermediate position has seted up standing groove (7) be equipped with audio amplifier body (3) in standing groove (7), audio amplifier body (3) are connected with active subwoofer electricity the both sides of standing groove (7) are fixed with backup pad (2) respectively be equipped with screw hole (18) on backup pad (2) screw hole (18) internal thread wears to be equipped with rather than cooperation screw thread post (17) the outer end of screw thread post (17) is connected with handle (16), and the inner is connected with grip block (14), grip block (14) are connected with screw thread post (17) rotation be equipped with telescopic link (15) between grip block (14) and backup pad (2).

2. A cradle type low frequency speaker enclosure as set forth in claim 1, wherein: rubber protection pads (8) are respectively arranged at the bottom end in the placing groove (7) and on the end face of the clamping plate (14) contacted with the sound box body (3).

3. A cradle type low frequency speaker enclosure as claimed in claim 1 or 2, wherein: the bottom of the decorative cabinet (1) is provided with an adjustable supporting leg adjusting mechanism (4).

4. A cradle type low frequency speaker enclosure as set forth in claim 3, wherein: the landing leg adjustment mechanism (4) comprises a supporting rod (12) fixed at the bottom of the decoration cabinet (1), a sleeve (10) is movably sleeved outside the supporting rod (12), a through hole is formed in the middle of one side wall of the sleeve (10), a plurality of threaded holes (18) are formed in the supporting rod (12) corresponding to the through hole, and fixing bolts (13) are in threaded fit with the through hole and the corresponding threaded holes (18).

5. The cradle style woofer enclosure of claim 4 wherein: the inner wall of the sleeve (10) opposite to the through hole is provided with a guide protrusion (11), and the support rod (12) is provided with a chute (9) which is in sliding fit with the guide protrusion (11).

6. The cradle style woofer enclosure of claim 5, wherein: the bottom of the sleeve (10) is provided with a self-locking universal wheel (5).

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