CN115589552A - Noise reduction sound box assembly - Google Patents

Abstract

The invention belongs to the technical field of sound boxes, in particular to a noise reduction sound box assembly, which comprises a sound box body; the base is arranged on the lower side of the sound box body; the base is in a round table shape, and the diameter of the bottom of the base is larger than that of the top of the base; the elastic telescopic ring is fixedly connected between the sound box body and the base; the section of the elastic telescopic ring is in a wave shape; a closed space is formed among the sound box body, the elastic telescopic ring and the base; a set of springs; the upper end of the spring is fixedly connected with the lower side of the sound box body, and the lower end of the spring is fixedly connected with the inner wall of the bottom of the base; the vibration conduction that produces when audio amplifier body sound production to the spring utilizes the spring to reduce the vibration, prevents vibration direct conduction to stage, reduces the stage along with the problem of the same vibration of audio amplifier and noise production, seals base inside through setting up the elastic expansion ring, avoids outside dust and debris to get into inside the base.

Description

Noise reduction sound box assembly

Technical Field

The invention belongs to the technical field of sound boxes, and particularly relates to a noise reduction sound box assembly.

Background

The audio amplifier is one kind and turns into the device of sound wave signal with the signal of telecommunication, and the great type audio amplifier of part needs place it on the stage when field usage to the stage rigidity of buildding temporarily is relatively poor, and the vibration of audio amplifier during operation self can direct conduction to the stage, leads to the stage along with the audio amplifier together vibrates and produces the problem of noise, so need one kind to fall the audio amplifier subassembly of making an uproar and solve this problem.

A chinese patent with publication number CN114125654a discloses a sound box with good noise reduction effect, which comprises a sound production device; the middle part of the sound generating device is sleeved with a plurality of groups of sound box shells; an elastic connecting belt is connected between the sound box shell and the sound generating device; elastic connecting belts are arranged at the top and the bottom of the sounding device; the bottom of the sound box shell is fixedly connected with a sound box base; through hoisting sound generating mechanism with elastic connection band, when can making sound generating mechanism play sound on the stage, the vibration that the body produced can not directly conduct on the stage, can make the stage because of rocking reduction that sound generating mechanism vibration leads to, and then can make the extra noise that sound generating mechanism caused reduce, noise interference that appears when reducing sound generating mechanism's sound broadcast.

Above-mentioned sound box assembly of making an uproar falls among the prior art adopts shell and a sponge section of thick bamboo to wrap up the audio amplifier body, and reduce the vibration that the audio amplifier body produced through elastic connection area, prevent vibration direct conduction to the stage, reduce the stage along with the audio amplifier together vibrate and produce the problem of noise, thereby reach the noise reduction effect, but in the device because the audio amplifier body is located inside shell and a sponge section of thick bamboo, so the sound that the audio amplifier body sent can be sheltered from, and a sponge section of thick bamboo can absorb partial sound, thereby lead to the problem of audio amplifier body volume reduction.

To this end, the present invention provides a noise reduction enclosure assembly.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the noise reduction sound box assembly comprises a sound box body, wherein the sound box body is used for playing sound;

the base is arranged on the lower side of the sound box body and is of a hollow structure; the base is in a circular truncated cone shape, and the diameter of the bottom of the base is larger than that of the top of the base;

the elastic telescopic ring is fixedly connected between the sound box body and the base; the section of the elastic telescopic ring is wave-shaped; a closed space is formed among the sound box body, the elastic telescopic ring and the base;

the springs are provided with one group, and the group of springs are uniformly distributed in the base; the upper end of the spring is fixedly connected with the lower side of the sound box body, and the lower end of the spring is fixedly connected with the inner wall of the bottom of the base;

in the noise reduction sound box assembly in the prior art, a shell and a sponge cylinder are adopted to wrap a sound box body, and vibration generated by the sound box body is reduced through an elastic connecting belt, so that the vibration is prevented from being directly transmitted to a stage, and the problem that the stage vibrates along with the sound box and generates noise is reduced, so that the noise reduction effect is achieved, but in the device, because the sound box body is positioned in the shell and the sponge cylinder, sound emitted by the sound box body can be shielded, and the sponge cylinder can absorb part of the sound, so that the volume of the sound box body is reduced; at the moment, the base and the sound box body are placed on the stage when the sound box is used, vibration generated when the sound box body sounds is transmitted to the spring, the vibration is reduced by the spring, the vibration is prevented from being directly transmitted to the stage, the problem that the stage vibrates along with the sound box and generates noise is solved, the interior of the base is sealed by arranging the elastic telescopic ring, external dust and sundries are prevented from entering the interior of the base, and the sound box sound insulation device is arranged on the lower side of the sound box body, so that the sound of the sound box body cannot be shielded.

Preferably, a group of rotary grooves are uniformly distributed on the lower side of the base; a group of universal wheels is rotatably connected inside the rotary groove, and the bottoms of the universal wheels protrude out of the surface of the lower side of the base; the top of the sound box body is fixedly connected with a pair of inclined rods; a push rod is fixedly connected between the tops of the pair of inclined rods; the outer side of the push rod is fixedly connected with a flexible air ring, and air is stored in the flexible air ring; through setting up universal wheel and push rod, the user can promote audio amplifier body and base through the push rod and remove, conveniently shifts the position with the audio amplifier to through setting up flexible balloon, can make flexible balloon take place deformation when the user holds the push rod, thereby improve the comfort level of user's hand.

Preferably, a group of guide grooves are uniformly distributed on the lower side of the base; the number of the guide grooves is the same as that of the springs, and the guide grooves correspond to the springs one by one; a guide rod is arranged inside the spring; the upper end of the guide rod is fixedly connected with the lower side of the sound box body, the lower end of the guide rod extends into the guide groove and is fixedly connected with the baffle, and the guide rod is connected with the inner wall of the bottom of the base in a sliding manner; when the audio amplifier body vibrates and arouses the spring to bounce from top to bottom, a plurality of guide bars can synchronous up-and-down motion and with base bottom sliding fit, thereby it is spacing to carry out the audio amplifier body, avoid different spring flexible volume different, and lead to the problem that the audio amplifier body inclines to appear, through setting up the baffle, when the user moved the audio amplifier body, the baffle can prevent that the guide bar from breaking away from the guide way, and can upwards mention the base through guide bar and baffle, when avoiding carrying the audio amplifier body, the gravity of base is whole to be acted on spring and elastic expansion ring, and lead to the problem that spring and elastic expansion ring damaged, thereby prolong the life of this equipment.

Preferably, a group of fixing grooves are uniformly distributed on the outer side of the bottom of the base; a fixing rod is hinged inside the fixing groove, and a torsion spring is arranged between the fixing rod and the fixing groove; the lower side of one end, extending out of the fixed groove, of the fixed rod is fixedly connected with a rubber pad, and the lower side of the rubber pad is flush with the lower side of the universal wheel; through setting up a plurality of fixed slots and dead lever, the dead lever deflects downwards under the effect of torsional spring to compress tightly the dead lever tip subaerial, improve the fixed effect to the base, arouse audio amplifier body and base when avoiding audio amplifier body vibration to take place to rock the problem of skew, through setting up the rubber pad, can improve the frictional force between dead lever and the ground, further improve the fixed effect to the base.

Preferably, an elastic membrane is fixedly connected between the lower side of the fixed rod and the side wall of the bottom of the fixed groove; an elastic piece I is fixedly connected between the elastic membrane and the side wall of the bottom of the fixed groove; a closed cavity formed between the elastic membrane and the side wall of the bottom of the fixed groove is communicated with the flexible air ring through a pipeline; through setting up the elastic membrane, when the user need shift the audio amplifier position and hold flexible balloon, flexible balloon receives the extrusion, inside its inside air passes through the pipeline and fills a plurality of elastic membranes, makes the elastic membrane inflation swell, and then the elastic membrane extrudees the dead lever to make the dead lever upwards deflect, and then the rubber pad breaks away from with ground, makes dead lever and rubber pad can not cause the removal of base to block when promoting the audio amplifier, is convenient for shift the position with the audio amplifier.

Preferably, a hollow elastic block is fixedly connected in a gap at the top of the spring close to the elastic telescopic ring, and air is stored in the elastic block; the elastic block is arranged in a gourd shape, and one end of the elastic block with the smaller diameter faces the elastic telescopic ring; an elastic part II is fixedly connected to the position, close to the spring, in the elastic block; one end of the elastic block close to the elastic telescopic ring is fixedly connected with an air pipe, and the air pipe is communicated with the inside of the elastic block; the inner part of the air pipe is connected with a telescopic rod in a sliding and sealing manner; an elastic rope is fixedly connected between the telescopic rod and the inner side wall of the air pipe; after the audio amplifier uses for a long time, inside more dust of remaining easily of elasticity expansion ring outside fold, at the in-process of springing about the spring this moment, when the spring compression, its inside gap diminishes, and extrude the elastic block, and then the inside compressed air of elastic block outwards pushes the telescopic rod, make the telescopic rod outwards slide and strike the elasticity expansion ring, make the elasticity expansion ring shake, thereby shake off the inside dust of elasticity expansion ring outside fold, reduce the dust in the inside residue of fold, avoid the dust to cause the influence to the flexible of elasticity expansion ring, and improve the aesthetic measure of audio amplifier.

Preferably, one end of the telescopic rod extending out of the trachea is fixedly connected with a rubber ball; through setting up the rubber ball, the telescopic rod strikes the elastic expansion ring through the rubber ball when outwards sliding to impel the shake of elastic expansion ring, utilize the flexible contact between rubber ball and the elastic expansion ring, make a sound when can prevent to strike, thereby sound when avoiding striking causes the interference to the sound production of audio amplifier body, further improves the noise reduction effect of audio amplifier.

Preferably, one end of the telescopic rod, which is positioned in the trachea, is fixedly connected with a pair of lugs; a pair of arc-shaped elastic sheets are fixedly connected to the surface of the inner side wall of the air pipe between the rubber ball and the lug; through setting up lug and arc shell fragment, the outside gliding in-process of telescopic rod, when the lug is close to and contacts arc shell fragment, the lug can be with arc shell fragment extrusion deformation, and when the lug crossed arc shell fragment middle part, telescopic rod received the simultaneous action of air thrust and arc shell fragment bounce this moment, so can improve the rubber ball and say to the impact force of elastic expansion ring to increase elastic expansion ring's shake range, further shake off the inside dust of elastic expansion ring fold.

The invention has the following beneficial effects:

1. according to the noise reduction sound box assembly, the base and the sound box body are placed on the stage when the noise reduction sound box assembly is used through the base and the spring, vibration generated when the sound box body sounds is conducted to the spring, the vibration is reduced through the spring, the vibration is prevented from being directly conducted to the stage, the problem that the stage vibrates along with the sound box and generates noise is solved, the interior of the base is sealed through the elastic telescopic ring, external dust and sundries are prevented from entering the interior of the base, and the noise reduction sound box assembly is arranged on the lower side of the sound box body, so that the sound of the sound box body cannot be shielded.

2. According to the noise reduction sound box assembly, when the sound box body vibrates to cause the spring to bounce up and down, the guide rods can synchronously move up and down and are in sliding fit with the bottom of the base, so that the sound box body is limited, the problem that the sound box body is inclined due to different spring expansion amounts is solved, the baffle is arranged, when a user carries the sound box body, the baffle can prevent the guide rods from being separated from the guide grooves, the base can be lifted upwards through the guide rods and the baffle, the problem that when the sound box body is carried, the gravity of the base is completely acted on the spring and the elastic expansion ring, and the spring and the elastic expansion ring are damaged is solved, and the service life of the device is prolonged.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of another aspect of the present invention;

FIG. 3 is a perspective view of a base of the present invention;

FIG. 4 is a cross-sectional view of a flexible balloon in accordance with the present invention;

FIG. 5 is a cross-sectional view of a base of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

FIG. 7 is a schematic view of the structure of the elastic block of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at B;

in the figure: the sound box comprises a sound box body 1, a base 2, an elastic telescopic ring 3, a spring 4, a rotary groove 5, a universal wheel 6, an inclined rod 7, a push rod 8, a flexible air ring 9, a guide groove 10, a guide rod 11, a baffle 12, a fixing groove 13, a fixing rod 14, a rubber pad 15, an elastic membrane 16, an elastic piece I17, an elastic block 18, an elastic piece II 19, an air pipe 20, a telescopic rod 21, an elastic rope 22, a rubber ball 23, a convex block 24 and an arc-shaped elastic sheet 25.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1 to 6, the noise reduction sound box assembly according to the embodiment of the present invention includes a sound box body 1, where the sound box body 1 is used for playing sound;

the base 2 is arranged on the lower side of the sound box body 1, and the base 2 is of a hollow structure; the base 2 is in a circular truncated cone shape, and the diameter of the bottom of the base 2 is larger than that of the top of the base;

the elastic telescopic ring 3 is fixedly connected between the sound box body 1 and the base 2; the section of the elastic telescopic ring 3 is wave-shaped; a closed space is formed among the sound box body 1, the elastic telescopic ring 3 and the base 2;

the springs 4 are arranged in a group, and the group of springs 4 are uniformly distributed in the base 2; the upper end of the spring 4 is fixedly connected with the lower side of the sound box body 1, and the lower end of the spring 4 is fixedly connected with the inner wall of the bottom of the base 2;

in the noise reduction sound box assembly in the prior art, a shell and a sponge cylinder are adopted to wrap a sound box body 1, vibration generated by the sound box body 1 is reduced through an elastic connecting belt, the vibration is prevented from being directly transmitted to a stage, and the problem that the stage vibrates along with the sound box and generates noise is reduced, so that a noise reduction effect is achieved, but in the noise reduction sound box assembly, because the sound box body 1 is positioned in the shell and the sponge cylinder, sound generated by the sound box body 1 can be shielded, and the sponge cylinder can absorb part of the sound, so that the sound volume of the sound box body 1 is reduced; at the moment, the base 2 and the spring 4 are arranged, the base 2 and the sound box body 1 are placed on a stage when the sound box is used, vibration generated when the sound box body 1 produces sound is transmitted to the spring 4, the spring 4 is used for reducing the vibration, the vibration is prevented from being directly transmitted to the stage, the problem that the stage vibrates along with the sound box and generates noise is solved, the interior of the base 2 is sealed by arranging the elastic telescopic ring 3, and external dust and sundries are prevented from entering the interior of the base 2.

A group of rotary grooves 5 are uniformly distributed on the lower side of the base 2; a group of universal wheels 6 are rotatably connected inside the rotary groove 5, and the bottoms of the universal wheels 6 protrude out of the surface of the lower side of the base 2; the top of the sound box body 1 is fixedly connected with a pair of inclined rods 7; a push rod 8 is fixedly connected between the tops of the pair of inclined rods 7; a flexible air ring 9 is fixedly connected to the outer side of the push rod 8, and air is stored in the flexible air ring 9; through setting up universal wheel 6 and push rod 8, the user can promote audio amplifier body 1 and base 2 through push rod 8 and remove, conveniently shifts the position with the audio amplifier to through setting up flexible balloon 9, can make flexible balloon 9 take place deformation when the user holds push rod 8, thereby improve the comfort level of user's hand.

A group of guide grooves 10 are uniformly distributed on the lower side of the base 2; the number of the guide grooves 10 is the same as that of the springs 4, and the guide grooves correspond to the springs one by one; a guide rod 11 is arranged inside the spring 4; the upper end of the guide rod 11 is fixedly connected with the lower side of the sound box body 1, the lower end of the guide rod 11 extends into the guide groove 10 and is fixedly connected with a baffle 12, and the guide rod 11 is connected with the inner wall of the bottom of the base 2 in a sliding manner; when 1 vibration of audio amplifier body arouses spring 4 to bounce from top to bottom, a plurality of guide bars 11 can synchronous up-and-down motion and with base 2 bottom sliding fit, thereby it is spacing to audio amplifier body 1, it is different to avoid different spring 4 flexible volume, and lead to audio amplifier body 1 the problem that the slope appears, through setting up baffle 12, when the user moves audio amplifier body 1, baffle 12 can prevent that guide bar 11 from breaking away from guide way 10, and can upwards mention base 2 through guide bar 11 and baffle 12, when avoiding carrying audio amplifier body 1, base 2's gravity is whole to be acted on spring 4 and elastic expansion ring 3, and lead to the problem that spring 4 and elastic expansion ring 3 damaged, thereby prolong the life of this equipment.

A group of fixing grooves 13 are uniformly distributed on the outer side of the bottom of the base 2; a fixing rod 14 is hinged inside the fixing groove 13, and a torsion spring is arranged between the fixing rod 14 and the fixing groove 13; a rubber pad 15 is fixedly connected to the lower side of one end, extending out of the fixing groove 13, of the fixing rod 14, and the lower side of the rubber pad 15 is flush with the lower side of the universal wheel 6; through setting up a plurality of fixed slots 13 and dead lever 14, dead lever 14 deflects downwards under the effect of torsional spring to compress tightly 14 tip of dead lever subaerial, improve the fixed effect to base 2, arouse when avoiding audio amplifier body 1 to vibrate that audio amplifier body 1 and base 2 take place to rock the problem of skew, through setting up rubber pad 15, can improve the frictional force between dead lever 14 and the ground, further improve the fixed effect to base 2.

An elastic membrane 16 is fixedly connected between the lower side of the fixing rod 14 and the side wall of the bottom of the fixing groove 13; a first elastic element 17 is fixedly connected between the elastic membrane 16 and the side wall of the bottom of the fixing groove 13; a closed cavity formed between the elastic membrane 16 and the side wall of the bottom of the fixed groove 13 is communicated with the flexible air ring 9 through a pipeline; through setting up elastic membrane 16, when the user need shift the audio amplifier position and hold flexible balloon 9, flexible balloon 9 receives the extrusion, and inside air fills inside a plurality of elastic membrane 16 through the pipeline, makes elastic membrane 16 inflation swell, and then elastic membrane 16 extrudes dead lever 14 to make dead lever 14 upwards deflect, and then rubber pad 15 breaks away from with ground, makes dead lever 14 and rubber pad 15 can not cause the removal of base 2 and block when promoting the audio amplifier, is convenient for shift the position with the audio amplifier.

Example two

As shown in fig. 7 to 8, a first comparative example, in which another embodiment of the present invention is: a hollow elastic block 18 is fixedly connected in a gap at the top of the spring 4 close to the elastic telescopic ring 3, and air is stored in the elastic block 18; the elastic block 18 is in a gourd shape, and one end of the elastic block 18 with the smaller diameter faces the elastic telescopic ring 3; an elastic piece II 19 is fixedly connected to the position, close to the spring 4, inside the elastic block 18; one end of the elastic block 18 close to the elastic telescopic ring 3 is fixedly connected with an air pipe 20, and the air pipe 20 is communicated with the inside of the elastic block 18; a telescopic rod 21 is connected in the air pipe 20 in a sliding and sealing manner; an elastic rope 22 is fixedly connected between the telescopic rod 21 and the inner side wall of the air pipe 20; after the audio amplifier uses for a long time, inside more dust that remains easily of 3 outside folds of elastic expansion ring, at this moment at the in-process of spring 4 spring-up and down, when spring 4 compression, its inside gap diminishes, and extrude elastic block 18, and then the inside compressed air of elastic block 18 outwards pushes flexible stick 21, make flexible stick 21 outwards slide and strike elastic expansion ring 3, make elastic expansion ring 3 shake, thereby shake off the inside dust of 3 outside folds of elastic expansion ring, reduce the dust in the inside residue of fold, avoid the dust to cause the influence to the flexible of elastic expansion ring 3, and improve the aesthetic measure of audio amplifier.

One end of the telescopic rod 21 extending out of the air pipe 20 is fixedly connected with a rubber ball 23; through setting up rubber ball 23, striking elastic expansion ring 3 through rubber ball 23 when flexible rod 21 outwards slides to impel elastic expansion ring 3 to shake, utilize the flexible contact between rubber ball 23 and the elastic expansion ring 3, sounding when can preventing the striking, thereby sound when avoiding the striking causes the interference to the sound production of audio amplifier body 1, further improves the noise reduction of audio amplifier.

One end of the telescopic rod 21 positioned in the air pipe 20 is fixedly connected with a pair of lugs 24; a pair of arc-shaped elastic sheets 25 are fixedly connected to the surface of the inner side wall of the air pipe 20 between the rubber ball 23 and the convex block 24; through setting up lug 24 and arc shell fragment 25, the outside gliding in-process of telescopic rod 21, when lug 24 is close to and contacts arc shell fragment 25, lug 24 can be with arc shell fragment 25 extrusion deformation, and when lug 24 crossed arc shell fragment 25 middle part, telescopic rod 21 received the simultaneous effect of air thrust and arc shell fragment 25 bounce this moment, the event can improve rubber ball 23 and say to the impulsive force of elastic expansion ring 3, thereby increase elastic expansion ring 3's shake range, further shake off the inside dust of elastic expansion ring 3 fold.

The working principle is as follows: according to the sound box, the base 2 and the sound box body 1 are placed on the stage when the sound box is used through the arrangement of the base 2 and the spring 4, vibration generated when the sound box body 1 sounds is conducted to the spring 4, the vibration is reduced through the spring 4, the vibration is prevented from being directly conducted to the stage, the problem that the stage vibrates along with the sound box and generates noise is solved, the interior of the base 2 is sealed through the arrangement of the elastic telescopic ring 3, external dust and sundries are prevented from entering the interior of the base 2, and the sound of the sound box body 1 cannot be shielded due to the arrangement of the lower side of the sound box body 1; through the arrangement of the universal wheels 6 and the push rod 8, a user can push the sound box body 1 and the base 2 to move through the push rod 8, the sound box is convenient to shift to a position, and through the arrangement of the flexible air ring 9, the user can enable the flexible air ring 9 to deform when holding the push rod 8, so that the comfort level of the hand of the user is improved; when the sound box body 1 vibrates to cause the spring 4 to bounce up and down, the guide rods 11 synchronously move up and down and are in sliding fit with the bottom of the base 2, so that the sound box body 1 is limited, the problem that the sound box body 1 inclines due to different stretching amounts of the spring 4 is avoided, by arranging the baffle plate 12, when a user moves the sound box body 1, the baffle plate 12 can prevent the guide rods 11 from being separated from the guide grooves 10, the base 2 can be lifted upwards through the guide rods 11 and the baffle plate 12, and the problem that when the sound box body 1 is carried, the gravity of the base 2 is completely acted on the spring 4 and the elastic telescopic ring 3, the spring 4 and the elastic telescopic ring 3 are damaged is avoided, so that the service life of the equipment is prolonged; by arranging the plurality of fixing grooves 13 and the fixing rods 14, the fixing rods 14 deflect downwards under the action of the torsion springs and press the end parts of the fixing rods 14 on the ground, so that the fixing effect on the base 2 is improved, the problem that the sound box body 1 and the base 2 shake and deflect when the sound box body 1 vibrates is solved, the friction force between the fixing rods 14 and the ground can be improved by arranging the rubber pads 15, and the fixing effect on the base 2 is further improved; by arranging the elastic membranes 16, when a user needs to transfer the sound box to a position and hold the flexible balloon 9, the flexible balloon 9 is squeezed, air in the flexible balloon is filled into the elastic membranes 16 through a pipeline, so that the elastic membranes 16 are expanded and expanded, the elastic membranes 16 squeeze the fixed rods 14, the fixed rods 14 deflect upwards, the rubber pads 15 are separated from the ground, the fixed rods 14 and the rubber pads 15 cannot block the movement of the base 2 when the sound box is pushed, and the sound box is convenient to transfer to the position; after the sound box is used for a long time, more dust is easily remained in the inner part of the outer side fold of the elastic telescopic ring 3, at the moment, in the process of up-and-down springing of the spring 4, when the spring 4 is compressed, the gap in the spring 4 is reduced, the elastic block 18 is extruded, and then the compressed air in the elastic block 18 pushes the telescopic rod 21 outwards, so that the telescopic rod 21 slides outwards and impacts the elastic telescopic ring 3 to enable the elastic telescopic ring 3 to shake, so that the dust in the outer side fold of the elastic telescopic ring 3 is shaken off, the residue of the dust in the inner part of the fold is reduced, the influence of the dust on the expansion of the elastic telescopic ring 3 is avoided, and the attractiveness of the sound box is improved; by arranging the rubber ball 23, the telescopic rod 21 impacts the elastic telescopic ring 3 through the rubber ball 23 when sliding outwards, the elastic telescopic ring 3 is enabled to shake, and sound can be prevented from being emitted during impact by utilizing flexible contact between the rubber ball 23 and the elastic telescopic ring 3, so that interference of the sound generated during impact on the sound production of the sound box body 1 is avoided, and the noise reduction effect of the sound box is further improved; through setting up lug 24 and arc shell fragment 25, the outside gliding in-process of telescopic rod 21, when lug 24 is close to and contacts arc shell fragment 25, lug 24 can be with arc shell fragment 25 extrusion deformation, and when lug 24 crossed arc shell fragment 25 middle part, telescopic rod 21 received the simultaneous effect of air thrust and arc shell fragment 25 bounce this moment, the event can improve the striking power way of rubber ball 23 to elastic expansion ring 3, thereby increase elastic expansion ring 3's shake range, further shake off the inside dust of elastic expansion ring 3 fold.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A noise reduction sound box assembly is characterized in that: the loudspeaker box comprises a loudspeaker box body (1), wherein the loudspeaker box body (1) is used for playing sound;

the base (2) is arranged on the lower side of the sound box body (1), and the base (2) is of a hollow structure; the base (2) is in a round table shape, and the diameter of the bottom of the base (2) is larger than that of the top of the base;

the elastic telescopic ring (3) is fixedly connected between the sound box body (1) and the base (2); the section of the elastic telescopic ring (3) is in a wave shape; a closed space is formed among the sound box body (1), the elastic telescopic ring (3) and the base (2);

the springs (4) are arranged in a group, and the group of springs (4) are uniformly distributed in the base (2); the upper end of the spring (4) is fixedly connected with the lower side of the sound box body (1), and the lower end of the spring (4) is fixedly connected with the inner wall of the bottom of the base (2).

2. The noise reduction enclosure assembly of claim 1, wherein: a group of rotary grooves (5) are uniformly distributed on the lower side of the base (2); a group of universal wheels (6) is rotatably connected inside the rotary groove (5), and the bottoms of the universal wheels (6) protrude out of the surface of the lower side of the base (2); the top of the sound box body (1) is fixedly connected with a pair of inclined rods (7); a push rod (8) is fixedly connected between the tops of the pair of inclined rods (7); the outer side of the push rod (8) is fixedly connected with a flexible air ring (9), and air is stored in the flexible air ring (9).

3. The noise reduction enclosure assembly of claim 2, wherein: a group of guide grooves (10) are uniformly distributed on the lower side of the base (2); the number of the guide grooves (10) is the same as that of the springs (4), and the guide grooves correspond to the springs one by one; a guide rod (11) is arranged in the spring (4); the upper end and the audio amplifier body (1) downside fixed connection of guide bar (11), the lower extreme of guide bar (11) extend to inside and fixedly connected with baffle (12) of guide way (10), and guide bar (11) and base (2) bottom inner wall sliding connection.

4. The noise reduction enclosure assembly of claim 3, wherein: a group of fixing grooves (13) are uniformly distributed on the outer side of the bottom of the base (2); a fixing rod (14) is hinged inside the fixing groove (13), and a torsion spring is arranged between the fixing rod (14) and the fixing groove (13); the fixing rod (14) extends to the lower side of one end outside the fixing groove (13) and is fixedly connected with a rubber pad (15), and the lower side of the rubber pad (15) is flush with the lower side of the universal wheel (6).

5. The noise reduction enclosure assembly of claim 4, wherein: an elastic membrane (16) is fixedly connected between the lower side of the fixing rod (14) and the side wall of the bottom of the fixing groove (13); an elastic piece I (17) is fixedly connected between the elastic membrane (16) and the side wall of the bottom of the fixing groove (13); and a closed cavity formed between the elastic membrane (16) and the side wall of the bottom of the fixing groove (13) is communicated with the flexible air ring (9) through a pipeline.

6. The noise reducing sound box assembly of claim 5, wherein: a hollow elastic block (18) is fixedly connected in a gap at the top of the spring (4) close to the elastic telescopic ring (3), and air is stored in the elastic block (18); the elastic block (18) is arranged in a gourd shape, and one end of the elastic block (18) with a smaller diameter faces the elastic telescopic ring (3); an elastic piece II (19) is fixedly connected to the position, close to the spring (4), in the elastic block (18); one end of the elastic block (18) close to the elastic telescopic ring (3) is fixedly connected with an air pipe (20), and the air pipe (20) is communicated with the inside of the elastic block (18); a telescopic rod (21) is connected in the air pipe (20) in a sliding and sealing manner; an elastic rope (22) is fixedly connected between the telescopic rod (21) and the inner side wall of the air pipe (20).

7. The noise reducing sound box assembly of claim 6, wherein: one end of the telescopic rod (21) extending out of the air pipe (20) is fixedly connected with a rubber ball (23).

8. The noise reduction enclosure assembly of claim 7, wherein: one end of the telescopic rod (21) positioned in the air pipe (20) is fixedly connected with a pair of convex blocks (24); a pair of arc-shaped elastic sheets (25) is fixedly connected to the surface of the inner side wall of the air pipe (20) between the rubber ball (23) and the convex block (24).

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