CN115589552A - Noise reduction box components - Google Patents

Abstract

The invention belongs to the technical field of sound boxes, and is specifically a noise reduction box assembly, including a sound box body; a base, the base is installed on the lower side of the sound box body; Ring, the elastic telescopic ring is fixedly connected between the sound box body and the base; the cross-sectional shape of the elastic telescopic ring is set to be wave-shaped; a closed space is formed between the sound box body, the elastic telescopic ring, and the base; the spring, the There is a set of springs; the upper end of the spring is fixedly connected to the lower side of the speaker body, and the lower end of the spring is fixedly connected to the inner wall of the bottom of the base; the vibration generated when the speaker body emits sound is transmitted to the spring, and the vibration is reduced by the spring to prevent the vibration from being directly transmitted To the stage, to reduce the problem of the stage vibrating with the speakers and generating noise, the interior of the base is sealed by setting an elastic telescopic ring to prevent external dust and debris from entering the interior of the base.

Description

Noise reduction box components

technical field

The invention belongs to the technical field of sound boxes, in particular to a noise reduction box assembly.

Background technique

The speaker is a device that converts electrical signals into sound waves. Some larger speakers need to be placed on the stage when they are used on site, and the temporary stage is less rigid. When the speaker is working, its own vibration will be directly transmitted to the stage. , causing the stage to vibrate with the sound box and generate noise, so a noise reduction box assembly is needed to solve this problem.

A Chinese patent with a publication number of CN114125654A discloses a sound box with good noise reduction effect, including a sounding device; the middle part of the sounding device is covered with multiple sets of sound box shells; the sound box shell and the sounding device are connected by an elastic connection belt; the top and bottom of the sounding device are provided with elastic connecting belts; the bottom of the speaker shell is fixedly connected to the speaker base; by lifting the sounding device with the elastic connecting belt, the sounding device can be played on the stage. , the vibration generated by the main body will not be directly transmitted to the stage, which can reduce the shaking of the stage caused by the vibration of the sound generating device, thereby reducing the extra noise caused by the sound generating device, and reducing the noise interference when the sound of the sound generating device is played.

The noise reduction box assembly in the above-mentioned prior art uses the shell and the sponge tube to wrap the speaker body, and reduces the vibration generated by the speaker body through the elastic connecting belt, preventing the vibration from being directly transmitted to the stage, and reducing the vibration of the stage along with the speaker And produce the problem of noise, so as to achieve the noise reduction effect, but in this device, because the speaker body is located inside the shell and the sponge tube, the sound emitted by the speaker body will be blocked, and the sponge tube will absorb part of the sound, resulting in a decrease in the volume of the speaker body The problem.

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

Contents of the invention

In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background art is solved.

The technical solution adopted by the present invention to solve the technical problem is: the noise reduction box assembly described in the present invention includes a speaker body, and the speaker body is used to play sound;

A base, the base is installed on the lower side of the speaker body, and the base is set as a hollow structure; the base is set in a circular frustum shape, and the diameter of the bottom of the base is greater than the diameter of the top;

An elastic telescopic ring, the elastic telescopic ring is fixedly connected between the speaker body and the base; the cross-sectional shape of the elastic telescopic ring is set as a wave shape; a closed space is formed between the speaker body, the elastic telescopic ring, and the base;

A set of springs is provided, and a set of springs is evenly distributed inside the base; the upper end of the spring is fixedly connected to the lower side of the speaker body, and the lower end of the spring is fixedly connected to the inner wall of the bottom of the base;

The noise reduction box assembly in the prior art uses the shell and the sponge tube to wrap the speaker body, and reduces the vibration generated by the speaker body through the elastic connecting belt, preventing the vibration from being directly transmitted to the stage, reducing the vibration of the stage along with the speaker The problem of noise generation, so as to achieve the noise reduction effect, but in this device, because the speaker body is located inside the shell and the sponge tube, the sound emitted by the speaker body will be blocked, and the sponge tube will absorb part of the sound, resulting in a decrease in the volume of the speaker body Problem: At this time, the present invention places the base and the speaker body on the stage by setting the base and the spring, and then the vibration generated when the speaker body makes sound is transmitted to the spring, and the vibration is reduced by the spring to prevent the vibration from being directly transmitted to the stage , to reduce the problem that the stage vibrates with the speaker and generates noise. The inside of the base is sealed by setting an elastic expansion ring to prevent external dust and debris from entering the inside of the base. Since this device is set on the lower side of the speaker body, it will not Block the sound of the speaker body.

Preferably, a group of turning slots are evenly distributed on the underside of the base; a set of universal wheels are connected to the rotation inside the turning slots, and the bottom of the universal wheels protrudes from the lower surface of the base; the top of the speaker body is fixedly connected with a pair of inclined A push rod is fixedly connected between the tops of a pair of inclined rods; a flexible balloon is fixedly connected to the outer side of the push rod, and air is stored inside the flexible balloon; by setting universal wheels and push rods, the user can push The rod can push the speaker body and the base to move, which is convenient for the speaker to transfer its position, and by setting a flexible air ring, when the user holds the push rod, the flexible air ring will be deformed, thereby improving the comfort of the user's hand.

Preferably, a group of guide grooves are evenly distributed on the lower side of the base; the number of the guide grooves is the same as that of the springs and correspond to each other; a guide rod is arranged inside the spring; the upper end of the guide rod is fixedly connected to the lower side of the speaker body , the lower end of the guide rod extends to the inside of the guide groove and is fixedly connected with a baffle, and the guide rod is slidingly connected with the inner wall of the bottom of the base; when the vibration of the speaker body causes the spring to bounce up and down, multiple guide rods will move up and down synchronously and slide with the bottom of the base Cooperate, so as to limit the position of the speaker body, avoid the different expansion and contraction of different springs, and cause the speaker body to tilt. By setting the baffle, when the user moves the speaker body, the baffle can prevent the guide rod from breaking away from the guide groove, and The base can be lifted upwards through the guide rod and the baffle to avoid the problem that the gravity of the base acts on the spring and the elastic expansion ring when the speaker body is transported, which will cause damage to the spring and the elastic expansion ring, thereby prolonging the service life of the device.

Preferably, a set of fixing grooves are evenly distributed on the outside of the bottom of the base; a fixing rod is hinged inside the fixing groove, and a torsion spring is installed between the fixing rod and the fixing groove; the fixing rod extends to one end outside the fixing groove The side 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; by setting multiple fixing slots and fixing rods, the fixing rod deflects downward under the action of the torsion spring, and presses the end of the fixing rod Tightly on the ground, improve the fixing effect on the base, and avoid the problem of shaking and offset between the speaker body and the base when the speaker body vibrates. By setting the rubber pad, the friction between the fixing rod and the ground can be improved, and the support for the base can be further improved. The fixed effect.

Preferably, an elastic membrane is fixedly connected between the lower side of the fixing rod and the bottom side wall of the fixing groove; an elastic member one is fixedly connected between the elastic membrane and the bottom side wall of the fixing groove; The closed cavity formed between the side walls communicates with the flexible air ring through the pipeline; by setting the elastic film, when the user needs to shift the position of the speaker and hold the flexible air ring, the flexible air ring will be squeezed, and the air inside will pass through The pipeline is filled into multiple elastic membranes, which makes the elastic membranes swell and bulge, and then the elastic membranes squeeze the fixed rod and deflect the fixed rod upwards, and then the rubber pad is separated from the ground, so that the fixed rod and the rubber pad are separated when the speaker is pushed. It will not hinder the movement of the base, so it is convenient to transfer the speaker.

Preferably, a hollow elastic block is fixedly connected to the gap at the top of the spring close to the elastic expansion ring, and air is stored inside the elastic block; ring; the position inside the elastic block close to the spring is fixedly connected with elastic part two; the end of the elastic block close to the elastic telescopic ring is fixedly connected with a trachea, and the trachea communicates with the inside of the elastic block; the inside of the trachea is slidingly sealed and connected with a telescopic Rod; there is an elastic rope fixedly connected between the telescopic rod and the inner wall of the trachea; after the speaker has been used for a long time, more dust is likely to remain inside the outer folds of the elastic telescopic ring. At this time, when the spring bounces up and down, when the spring compresses , the internal gap becomes smaller, and the elastic block is squeezed, and then the compressed air inside the elastic block pushes the telescopic rod outward, causing the telescopic rod to slide outward and hit the elastic telescopic ring, causing the elastic telescopic ring to vibrate. In this way, the dust inside the outer folds of the elastic telescopic ring is shaken off, the residue of dust inside the folds is reduced, the impact of dust on the stretching of the elastic telescopic ring is avoided, and the aesthetics of the sound box is improved.

Preferably, a rubber ball is fixedly connected to one end of the telescopic rod extended to the outside of the trachea; by setting the rubber ball, the rubber ball hits the elastic telescopic ring through the rubber ball when the telescopic rod slides outward, and causes the elastic telescopic ring to vibrate. The flexible contact between the telescopic rings can prevent the sound from being hit, thereby preventing the sound from hitting the sound box from interfering with the sound of the sound box body, and further improving the noise reduction effect of the sound box.

Preferably, one end of the telescopic rod located in the trachea is fixedly connected with a pair of bumps; the surface of the inner wall of the trachea between the rubber ball and the bumps is fixedly connected with a pair of arc-shaped shrapnel; by setting the bump and the arc-shaped shrapnel, When the telescopic rod slides outward, when the bump approaches and touches the arc-shaped shrapnel, the bump will squeeze and deform the arc-shaped shrapnel, and when the bump passes over the middle of the arc-shaped shrapnel, the telescopic rod is pushed by the air and The simultaneous action of the rebound force of the arc-shaped shrapnel can increase the impact force of the rubber ball on the elastic telescopic ring, thereby increasing the shaking range of the elastic telescopic ring, and further shaking off the dust inside the folds of the elastic telescopic ring.

The beneficial effects of the present invention are as follows:

1. The noise reduction box assembly of the present invention, by setting the base and the spring, the base and the speaker body are placed on the stage during use, and then the vibration generated when the speaker body emits sound is transmitted to the spring, and the vibration is reduced by the spring, Prevent the vibration from being directly transmitted to the stage, reduce the problem that the stage vibrates with the speaker and generate noise, and seal the inside of the base by setting an elastic telescopic ring to prevent external dust and debris from entering the inside of the base. This device is installed on the speaker body The lower side, so it will not block the sound of the speaker body.

2. In the noise reduction box assembly described in the present invention, when the vibration of the speaker body causes the spring to bounce up and down, multiple guide rods will move up and down synchronously and slide with the bottom of the base, thereby limiting the position of the speaker body and avoiding different spring stretches different, and cause the speaker body to tilt. By setting the baffle, when the user moves the speaker body, the baffle can prevent the guide rod from breaking away from the guide groove, and the base can be lifted up through the guide rod and the baffle to avoid carrying the speaker. When the main body is installed, the gravity of the base all acts on the spring and the elastic expansion ring, which will cause damage to the spring and the elastic expansion ring, thereby prolonging the service life of the device.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing.

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

Fig. 2 is a perspective view of another viewing angle of the present invention;

Fig. 3 is the perspective view of base in the present invention;

Fig. 4 is the sectional view of flexible balloon among the present invention;

Fig. 5 is the sectional view of base in the present invention;

Fig. 6 is a partial enlarged view of place A in Fig. 5;

Fig. 7 is the structural representation of elastic block in the present invention;

Fig. 8 is a partial enlarged view at B in Fig. 7;

In the figure: speaker body 1, base 2, elastic telescopic ring 3, spring 4, turning groove 5, universal wheel 6, inclined rod 7, push rod 8, flexible balloon 9, guide groove 10, guide rod 11, baffle 12. Fixed groove 13, fixed rod 14, rubber pad 15, elastic film 16, elastic piece 17, elastic block 18, elastic piece 2 19, air pipe 20, telescopic rod 21, elastic rope 22, rubber ball 23, bump 24 , arc shrapnel 25.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

Embodiment one

As shown in Figures 1 to 6, the noise reduction box assembly according to the embodiment of the present invention includes a speaker body 1, and the speaker body 1 is used to play sound;

A base 2, the base 2 is installed on the lower side of the speaker body 1, and the base 2 is set as a hollow structure; the base 2 is set in a circular frustum shape, and the bottom diameter of the base 2 is larger than the top diameter;

The elastic telescopic ring 3, the elastic telescopic ring 3 is fixedly connected between the speaker body 1 and the base 2; the cross-sectional shape of the elastic telescopic ring 3 is set to a wave shape; constitute a closed space between;

Spring 4, the spring 4 is provided with a group, and a group of springs 4 are evenly distributed inside the base 2; the upper end of the spring 4 is fixedly connected to the lower side of the speaker body 1, and the lower end of the spring 4 is fixedly connected to the bottom inner wall of the base 2;

The noise reduction box assembly in the prior art uses the shell and the sponge tube to wrap the speaker body 1, and reduces the vibration generated by the speaker body 1 through the elastic connecting belt, preventing the vibration from being directly transmitted to the stage, and reducing the stage along with the speaker. However, in this device, since the speaker body 1 is located inside the shell and the sponge tube, the sound emitted by the speaker body 1 will be blocked, and the sponge tube will absorb part of the sound, resulting in the sound of the speaker The problem of lowering the volume of the main body 1; at this time, the present invention places the base 2 and the speaker body 1 on the stage during use by setting the base 2 and the spring 4, and then the vibration generated when the speaker body 1 sounds is transmitted to the spring 4, and the spring 4 is used to 4 Reduce the vibration, prevent the vibration from being directly transmitted to the stage, and reduce the problem that the stage vibrates with the speaker and generates noise. The inside of the base 2 is sealed by setting the elastic telescopic ring 3 to prevent external dust and debris from entering the base 2 Inside, since the device is arranged on the lower side of the speaker body 1, it will not block the sound of the speaker body 1.

A group of turning grooves 5 are evenly distributed on the lower side of the base 2; a group of universal wheels 6 are connected to the turning grooves 5, and the bottom of the universal wheels 6 protrudes from the lower surface of the base 2; the top of the speaker body 1 is fixed A pair of oblique rods 7 are connected; a push rod 8 is fixedly connected between the tops of the pair of oblique rods 7; a flexible balloon 9 is fixedly connected to the outside of the push rod 8, and air is stored inside the flexible balloon 9; by setting The universal wheel 6 and the push rod 8, the user can push the speaker body 1 and the base 2 to move through the push rod 8, which is convenient for transferring the position of the speaker, and by setting the flexible balloon 9, when the user holds the push rod 8, the flexible gas ring will be promoted. The ring 9 is deformed, thereby improving the comfort of the user's hand.

A group of guide grooves 10 are evenly 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 correspond to each other; the inside of the spring 4 is provided with a guide rod 11; the upper end of the guide rod 11 is connected to the speaker body 1 The lower side is fixedly connected, the lower end of the guide rod 11 extends to the inside of the guide groove 10 and is fixedly connected with the baffle plate 12, and the guide rod 11 is slidably connected to the inner wall of the bottom of the base 2; when the vibration of the speaker body 1 causes the spring 4 to bounce up and down, more The two guide rods 11 will move up and down synchronously and slide with the bottom of the base 2, so as to limit the position of the speaker body 1, avoiding the different expansion and contraction of different springs 4, and causing the speaker body 1 to tilt. By setting the baffle 12, when When the user moves the speaker body 1, the baffle plate 12 can prevent the guide rod 11 from detaching from the guide groove 10, and the base 2 can be lifted up through the guide rod 11 and the baffle plate 12, so as to avoid all the gravity of the base 2 when the speaker body 1 is moved. Because of the spring 4 and the elastic telescopic ring 3, and cause damage to the spring 4 and the elastic telescopic ring 3, thereby prolonging the service life of the device.

A group of fixing grooves 13 are evenly distributed on the outside of the bottom of the base 2; a fixing rod 14 is hinged inside the fixing groove 13, and a torsion spring is installed between the fixing rod 14 and the fixing groove 13; the fixing rod 14 extends to the fixing groove The lower side of one end outside the 13 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; by setting a plurality of fixed grooves 13 and fixed rods 14, the fixed rods 14 are under the action of the torsion spring Deflect downward, and press the end of the fixed rod 14 on the ground to improve the fixing effect on the base 2, and avoid the problem of shaking and offset of the speaker body 1 and the base 2 when the speaker body 1 vibrates. By setting the rubber pad 15 , can improve the frictional force between the fixed rod 14 and the ground, and further improve the fixing effect on the base 2 .

An elastic film 16 is fixedly connected between the lower side of the fixed rod 14 and the bottom side wall of the fixed groove 13; an elastic member 17 is fixedly connected between the elastic film 16 and the bottom side wall of the fixed groove 13; the elastic film 16 The closed cavity formed between the bottom side wall of the fixed groove 13 communicates with the flexible air ring 9 through the pipeline; by setting the elastic membrane 16, when the user needs to transfer the position of the speaker and hold the flexible air ring 9, the flexible air ring 9 After being squeezed, the air inside it is filled into multiple elastic membranes 16 through the pipeline, causing the elastic membranes 16 to expand and bulge, and then the elastic membranes 16 squeeze the fixed rod 14, and make the fixed rod 14 deflect upwards, and then the rubber The pad 15 is separated from the ground, so that the fixed rod 14 and the rubber pad 15 will not block the movement of the base 2 when the sound box is pushed, so that the sound box can be shifted.

Embodiment two

As shown in Figures 7 to 8, Comparative Example 1, wherein another embodiment of the present invention is: a hollow elastic block 18 is fixedly connected in the gap at the top of the spring 4 close to the elastic telescopic ring 3, and the elastic block Air is stored inside 18; the elastic block 18 is set in a gourd shape, and one end of the elastic block 18 with a smaller diameter faces the elastic telescopic ring 3; the inside of the elastic block 18 is fixedly connected with an elastic part 2 19 near the position of the spring 4; One end of the elastic block 18 close to the elastic telescopic ring 3 is fixedly connected with a trachea 20, and the trachea 20 communicates with the inside of the elastic block 18; An elastic rope 22 is fixedly connected between the walls; after the sound box is used for a long time, more dust is likely to remain inside the outer folds of the elastic telescopic ring 3. At this time, when the spring 4 bounces up and down, when the spring 4 is compressed, the The gap becomes smaller, and the elastic block 18 is squeezed, and then the compressed air inside the elastic block 18 pushes the telescopic rod 21 outward, so that the telescopic rod 21 slides outward and hits the elastic telescopic ring 3, prompting the elastic telescopic ring 3 to vibrate , so as to shake off the dust inside the outer folds of the elastic telescopic ring 3, reduce the residue of dust inside the folds, prevent dust from affecting the expansion and contraction of the elastic telescopic ring 3, and improve the aesthetics of the sound box.

One end of the telescopic rod 21 extending to the outside of the trachea 20 is fixedly connected with a rubber ball 23; by setting the rubber ball 23, the telescopic rod 21 hits the elastic telescopic ring 3 through the rubber ball 23 when sliding outward, and impels the elastic telescopic ring 3 to vibrate. Utilizing the flexible contact between the rubber ball 23 and the elastic telescopic ring 3 can prevent the sound during the impact, thereby avoiding the sound during the impact from interfering with the sound of the speaker body 1, and further improving the noise reduction effect of the speaker.

One end of the telescopic rod 21 located in the trachea 20 is fixedly connected with a pair of bumps 24; the inner wall surface of the trachea 20 between the rubber ball 23 and the bumps 24 is fixedly connected with a pair of arc-shaped shrapnel 25; by setting the bumps 24 and the arc-shaped shrapnel 25, during the outward sliding process of the telescopic rod 21, when the bump 24 approaches and contacts the arc-shaped shrapnel 25, the bump 24 will squeeze and deform the arc-shaped shrapnel 25, and when the bump 24 crosses the arc-shaped shrapnel When in the middle of the shrapnel 25, the telescopic rod 21 is simultaneously affected by the air thrust and the rebound force of the arc-shaped shrapnel 25, so the impact force of the rubber ball 23 on the elastic telescopic ring 3 can be improved, thereby increasing the shaking range of the elastic telescopic ring 3, Further shake off the dust inside the folds of the elastic telescopic ring 3 .

Working principle: the present invention sets the base 2 and the spring 4, and the base 2 and the speaker body 1 are placed on the stage during use, and then the vibration generated when the speaker body 1 sounds is transmitted to the spring 4, and the vibration is reduced by the spring 4, Prevent the vibration from being directly transmitted to the stage, reduce the problem that the stage vibrates with the speakers and generate noise, and seal the inside of the base 2 by setting the elastic telescopic ring 3 to prevent external dust and debris from entering the inside of the base 2. It is on the lower side of the speaker body 1, so it will not block the sound of the speaker body 1; by setting the universal wheel 6 and the push rod 8, the user can push the speaker body 1 and the base 2 to move through the push rod 8, so as to facilitate the transfer of the speaker Position, and by setting the flexible balloon 9, when the user holds the push rod 8, the flexible balloon 9 will be deformed, thereby improving the comfort of the user's hand; when the vibration of the speaker body 1 causes the spring 4 to bounce up and down, multiple guides The rod 11 will move up and down synchronously and slide with the bottom of the base 2, so as to limit the position of the speaker body 1, avoiding the different expansion and contraction of different springs 4, and causing the speaker body 1 to tilt. By setting the baffle 12, when the user moves When moving the speaker body 1, the baffle plate 12 can prevent the guide rod 11 from breaking away from the guide groove 10, and the base 2 can be lifted up through the guide rod 11 and the baffle plate 12, so as to avoid the gravity of the base 2 acting on the spring when the speaker body 1 is moved. 4 and the elastic telescopic ring 3, and lead to the problem of damage to the spring 4 and the elastic telescopic ring 3, thereby prolonging the service life of the device; by setting a plurality of fixing grooves 13 and fixing rods 14, the fixing rods 14 move downward under the action of the torsion spring deflection, and press the end of the fixed rod 14 on the ground to improve the fixing effect on the base 2, and avoid the problem of shaking and offset of the speaker body 1 and the base 2 when the speaker body 1 vibrates. By setting the rubber pad 15, The frictional force between the fixed rod 14 and the ground can be improved, further improving the fixing effect on the base 2; by setting the elastic film 16, when the user needs to shift the position of the speaker and hold the flexible balloon 9, the flexible balloon 9 will be squeezed pressure, the air in it is filled into multiple elastic membranes 16 through the pipeline, causing the elastic membranes 16 to expand and bulge, and then the elastic membranes 16 squeeze the fixed rod 14, and make the fixed rod 14 deflect upwards, and then the rubber pad 15 It is separated from the ground, so that when the speaker is pushed, the fixed rod 14 and the rubber pad 15 will not block the movement of the base 2, which is convenient for transferring the speaker; after the speaker is used for a long time, more dust is likely to remain inside the outer folds of the elastic telescopic ring 3, At this moment, during the spring 4 bouncing up and down, when the spring 4 is compressed, the internal gap becomes smaller, and the elastic block 18 is squeezed, and then the compressed air inside the elastic block 18 pushes the telescopic rod 21 outwards, Make the telescopic rod 21 slide outwards and hit the elastic telescopic ring 3, prompting the elastic telescopic ring 3 to vibrate, thereby shaking off the dust inside the outer folds of the elastic telescopic ring 3, reducing the residue of dust inside the folds, and avoiding the impact of dust on the elastic stretch The expansion and contraction of the ring 3 will affect and improve the aesthetics of the sound box; by setting the rubber ball 23, the expansion and contraction When the stick 21 slides outwards, the rubber ball 23 hits the elastic telescopic ring 3, and impels the elastic telescopic ring 3 to vibrate. The flexible contact between the rubber ball 23 and the elastic telescopic ring 3 can prevent the impact from making a sound, thereby avoiding the impact during the impact. The sound of the sound interferes with the sound of the speaker body 1, further improving the noise reduction effect of the speaker; by setting the bump 24 and the arc-shaped shrapnel 25, when the telescopic rod 21 slides outward, when the bump 24 approaches and contacts the arc-shaped shrapnel At 25 o'clock, the projection 24 will squeeze and deform the arc-shaped shrapnel 25, and when the projection 24 crosses the middle of the arc-shaped shrapnel 25, the telescopic rod 21 is simultaneously affected by the air thrust and the rebound force of the arc-shaped shrapnel 25, so it can Improve the impact force of the rubber ball 23 on the elastic telescopic ring 3, thereby increasing the shaking range of the elastic telescopic ring 3, and further shake off the dust inside the folds of the elastic telescopic ring 3.

The above-mentioned front, back, left, right, up, and down are all based on Figure 1 in the accompanying drawings of the specification, and according to the viewing angle of the person as the standard, the side of the device facing the observer is defined as the front, and the left side of the observer is defined as the left. And so on.

In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the Means that a device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

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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