CN218780550U

CN218780550U - Sound-insulation noise-reduction protection device

Info

Publication number: CN218780550U
Application number: CN202222468036.5U
Authority: CN
Inventors: 吴昊; 张世博; 陈敏
Original assignee: Liaoning Vocational College Of Economics (liaoning Institute Of Economic Management)
Current assignee: Liaoning Vocational College Of Economics (liaoning Institute Of Economic Management)
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-31
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a protector that makes an uproar falls gives sound insulation relates to the sound insulation and falls the technical field of making an uproar, including base, last casing, lower casing, connecting box and fan, the casing is installed on the base down, the connecting box is installed between internal wall of inferior valve and the outer wall of last casing, the utility model discloses an it makes an uproar to fall to the fan to go up casing, lower casing, connecting box, sound insulation panel and muffler, and the combination of at first connecting box and muffler both can make the outside air get into the inferior valve internal, can make the noise that the fan produced eliminate through the muffler again, still gives sound insulation to last casing, lower casing, connecting box through sound insulation panel in addition, realizes that dual syllable-dividing mode comes to fall the fan and makes an uproar, improves the sound insulation and noise reduction of fan, plays through damping device to fan cushioning effect, improves the stability of fan during operation.

Description

Sound-insulation noise-reduction protection device

Technical Field

The utility model relates to a technical field that makes an uproar falls in giving sound insulation specifically is a protector that makes an uproar falls in giving sound insulation.

Background

Sound insulation is to shield sound energy by a sound insulation structure, so that the harm of noise and sound radiation is reduced. The cover-shaped structure is used for sealing a device with high noise and effectively blocking the noise from radiating to the surrounding environment, and is called a sound insulation cover. The sound-proof housing is often used for making an uproar falling of strong noise machines such as fan, and current sound-proof housing is mostly only a box and installs in the fan outside, does not have any other measure of making an uproar of falling, only gives sound insulation to the fan through the cover body and falls and make an uproar, and the noise that spreads outside from this still can be very big, so the utility model provides a protector that makes an uproar falls gives sound insulation for the fan.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a protector of making an uproar falls gives sound insulation has solved that current sound-proof housing is mostly only a box and installs in the fan outside, does not have any other measure of making an uproar of falling, only gives sound insulation to the fan through the cover body and falls and make an uproar, spreads the outside noise still can very big technical problem from this.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a protector that makes an uproar falls in giving sound insulation, includes base, last casing, lower casing, connecting box and fan, casing installation is on the base down, its characterized in that, the connecting hole has been seted up to last casing upper wall, the connecting box is installed between the internal wall of inferior valve and the outer wall of last casing and in the connecting hole, install sound insulation panel on the internal wall of connecting box internal face, the internal wall of inferior valve and the last casing internal face respectively, the mounting hole has been seted up respectively to the wall about the connecting box, install the muffler between the mounting hole, install damping device on the base, damping device is located the lower casing, the fan is installed on damping device, flexible hose is installed to the muffler input in the connecting box on the last casing upper wall, flexible hose is connected with the fan output.

Preferably, the sound insulation board includes the sound absorption layer, be equipped with the V template in the sound absorption layer, sound absorption layer both sides are equipped with the damping layer, be equipped with the steel deck on the damping layer respectively, be close to the steel deck of connecting box internal face, the internal wall of inferior valve and the internal wall one side of upper housing is the steel sheet, keeps away from the steel deck of connecting box internal face, the internal wall of inferior valve and the internal wall one side of upper housing is the perforated plate.

Preferably, the damping device comprises a bearing box, the bearing box is fixedly mounted on the base, the upper end of the bearing box is of an open structure, sliding grooves are formed in two side wall surfaces in the bearing box respectively, sliding blocks are mounted in the sliding grooves in a sliding mode, a bearing plate is fixedly mounted between the sliding blocks, the fan is fixedly mounted on the upper wall surface of the bearing plate, a barrel is fixedly mounted on the lower wall surface in the bearing box, a through hole is formed in the upper wall surface of the barrel, a supporting rod is inserted in the through hole, the upper end of the supporting rod is fixedly connected with the lower wall surface of the bearing plate, the lower end of the supporting rod is located in the barrel and is fixedly mounted with a baffle, a plurality of oil through holes are formed in the baffle, damping oil is filled in the barrel, a first spring is fixedly mounted between the baffle and the lower wall surface in the barrel, a second spring is fixedly mounted between the upper wall surface of the bearing plate and the outer wall surface of the barrel, and the second spring is sleeved on the supporting rod.

Preferably, the outer wall surface of the lower shell is fixedly provided with an ear plate.

Preferably, the base is provided with butt joint holes at two sides of the lower shell.

Preferably, a sealing ring is fixedly installed between the flexible hose and the connecting hole.

Advantageous effects

The utility model provides a protector of making an uproar falls in giving sound insulation, it is only a box to install in the fan outside to have solved current sound-proof housing, do not have any other measure of making an uproar of falling, only carry out sound insulation and fall the noise to the fan through the cover body, it is still very big technical problem to spread outside noise from this, the utility model discloses an go up the casing, lower casing, connecting box, sound insulation panel and muffler fall the noise to the fan, at first the combination of connecting box and muffler both can make the outside air get into the inferior valve internal, can make the noise that the fan produced eliminate through the muffler again, still pass through sound insulation panel in addition to last casing, lower casing, connecting box give sound insulation, realize that dual syllable-dividing mode comes to fall the noise reduction to the fan, improve the sound insulation and noise reduction of fan, play the fan cushioning effect through damping device, improve the stability of fan during operation.

Drawings

Fig. 1 is the utility model relates to a give sound insulation and fall protector's of making an uproar owner and look at the schematic diagram.

Fig. 2 is a schematic diagram of a sound-insulating plate structure of a sound-insulating and noise-reducing protection device.

Fig. 3 is the utility model relates to a protector's that makes an uproar damping device structure schematic diagram falls in giving sound insulation.

In the figure: 1. a base; 2. an upper housing; 3. a lower housing; 4. a connecting box; 5. a fan; 6. a sound insulation panel; 7. a muffler; 8. a flexible hose; 9. a sound absorbing layer; 10. a V-shaped plate; 11. a damping layer; 12. a steel plate layer; 13. a carrying case; 14. a chute; 15. a slider; 16. carrying a plate; 17. a cylinder body; 18. a strut; 19. a baffle plate; 20. an oil through hole; 21. a first spring; 22. a second spring; 23. an ear plate.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a protector that makes an uproar falls in giving sound insulation, includes base 1, goes up casing 2, casing 3, connecting box 4 and fan 5 down, casing 3 installs on base 1 down, its characterized in that, the connecting hole has been seted up to last casing 2 upper wall face, connecting box 4 installs between 3 internal face of casing and last casing 2 outer wall face down and in the connecting hole, install syllable-dividing panel 6 on 4 internal faces of connecting box, 3 internal faces of casing down and the 2 internal faces of last casing respectively, the mounting hole has been seted up respectively to the upper and lower wall face of connecting box 4, install muffler 7 between the mounting hole, install damping device on the base 1, damping device is located casing 3 down, fan 5 installs on damping device, flexible hose 8 is installed to muffler 7 input in the connecting box on the upper wall face of last casing 2, flexible hose 8 is connected with fan 5 output.

Further, sound insulation board 6 includes sound absorption layer 9, be equipped with V template 10 in the sound absorption layer 9, sound absorption layer 9 both sides are equipped with damping layer 11, be equipped with steel deck 12 on the damping layer 11 respectively, be close to connecting box 4 internal face, the steel deck 12 of 2 internal face one sides of lower casing 3 internal face and upper housing is the steel sheet, keep away from connecting box 4 internal face, the steel deck 12 of 3 internal face of lower casing and 2 internal face one sides of upper housing is the perforated plate, inhale the sound through sound absorption layer 9, sound absorption layer 9 adopts and inhales the sound cotton, the V template 10 that is equipped with in the sound absorption layer 9, can be the noise and kick-back the consumption in V template 10, damping layer 11 suppresses steel deck 12 and produces the influence of resonance and coincide effect, steel deck 12 plays preliminary absorption and the blockking of noise.

Further, the damping device comprises a bearing box 13, the bearing box 13 is fixedly installed on the base 1, the upper end of the bearing box 13 is of an open structure, sliding grooves 14 are respectively formed in two side wall surfaces in the bearing box 13, sliding blocks 15 are installed in the sliding grooves 14 in a sliding mode, a bearing plate 16 is fixedly installed between the sliding blocks 15, a fan 5 is fixedly installed on the upper wall surface of the bearing plate 16, a barrel 17 is fixedly installed on the lower wall surface in the bearing box 13, a through hole is formed in the upper wall surface of the barrel 17, a supporting rod 18 is inserted in the through hole, the upper end of the supporting rod 18 is fixedly connected with the lower wall surface of the bearing plate 16, a baffle 19 is fixedly installed at the lower end of the supporting rod 18, a plurality of oil through holes 20 are formed in the baffle 19, damping oil is filled in the barrel, a first spring 21 is fixedly installed between the baffle 19 and the inner lower wall surface of the barrel 17, a second spring 22 is fixedly installed between the bearing plate 16 and the outer upper wall surface of the barrel 17, the second spring 22 is sleeved on the supporting rod 18, downward pressure is applied to the bearing plate 16 through the fan 5, the first spring 21 and the second spring 22 are deformed to play a damping effect, and further play a role in damping effect of preventing the baffle 19 from moving downwards and rebounding from the baffle 19 and moving from the baffle 19.

Furthermore, the outer wall surface of the lower shell 3 is fixedly provided with an ear plate 23, and the ear plate 23 is convenient for the lower shell 3 to be connected with the base 1 through an external bolt.

Further, the base 1 is provided with butt joint holes on two sides of the lower shell 3, and the base 1 is connected with the connecting end face under the action of an external bolt through the butt joint holes.

Furthermore, a sealing ring is fixedly arranged between the flexible hose 8 and the connecting hole, and the sealing ring plays a role in sealing the connecting part of the flexible hose 8.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): according to the attached drawings of the specification, when the fan 5 is used, the output end of the fan 5 is connected with the flexible hose 8, when the fan 5 works, outside air enters the lower shell 3 through the air inlet end of the silencer 7 and enters the input end of the fan 5, the outside air is guided into the flexible hose 8 through the output end of the fan 5 and is discharged to the outside, in the process, noise is reduced through the silencer 7, the influence of the noise on the outside is reduced, when part of the noise is transmitted to the sound insulation plate 6, the steel plate in the steel plate layer 12 plays a primary role in reflecting the noise, the perforated plate in the steel plate layer 12 plays a role in absorbing the sound, the noise enters the damping layer 11, the damping layer 11 also absorbs and reflects the noise, the damping layer 11 mainly plays a role in inhibiting the steel plate layer 12 from generating resonance and coincidence effects, the noise enters the sound absorption layer 9, the sound absorption layer 9 adopts sound absorption cotton, the noise is transmitted to the V10, the V-shaped plate 10 is rebounded and consumed, further noise reduction effect is achieved, and when the fan 5 outputs wind through the silencer 7, and the noise reduction template of the fan 5 is further reduced;

when the fan 5 vibrates, the bearing plate 16 is forced downwards, the bearing plate 16 moves downwards along the path of the sliding groove 14 under the action of the sliding block 15, and the second spring 22 is forced to compress, so that the bearing plate 16 pushes the support rod 18 downwards. The supporting rod 18 pushes the baffle plate 19 downwards, so that the first spring 21 is stressed and compressed, the first spring 21 and the second spring 22 deform at the moment and further play a damping role, damping oil below the baffle plate 19 moves to the position above the baffle plate 19 through the oil through hole 20 at the moment, and the damping oil is thick and viscous, so that a damping effect is achieved, and the first spring 21 and the second spring 22 are prevented from rebounding in a reciprocating mode.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a protector that makes an uproar falls gives sound insulation, includes base (1), goes up casing (2), casing (3) down, connecting box (4) and fan (5), install on base (1) casing (3) down, its characterized in that, go up casing (2) and go up the wall and seted up the connecting hole, connecting box (4) are installed between casing (3) internal face and last casing (2) outer wall down and in the connecting hole, install on connecting box (4) internal face, casing (3) internal face down and last casing (2) internal face respectively and give sound insulation panel (6), the mounting hole has been seted up respectively to the wall about connecting box (4), install muffler (7) between the mounting hole, install damping device on base (1), damping device is located casing (3) down, fan (5) are installed on damping device, flexible hose (8) are installed to muffler (7) input in the connecting box on last casing (2) the wall, flexible hose (8) are connected with fan (5) output.

2. A sound insulation and noise reduction protection device according to claim 1, wherein the sound insulation plate (6) comprises a sound absorption layer (9), a V-shaped plate (10) is arranged in the sound absorption layer (9), damping layers (11) are arranged on two sides of the sound absorption layer (9), steel plate layers (12) are respectively arranged on the damping layers (11), the steel plate layers (12) close to the inner wall surface of the connecting box (4), the inner wall surface of the lower shell (3) and one side of the inner wall surface of the upper shell (2) are steel plates, and the steel plate layers (12) far away from the inner wall surface of the connecting box (4), the inner wall surface of the lower shell (3) and one side of the inner wall surface of the upper shell (2) are perforated plates.

3. An acoustic noise-reduction guard according to claim 1, characterized in that the damping means comprise a carrying case (13), the bearing box (13) is fixedly arranged on the base (1), the upper end of the bearing box (13) is of an open structure, the two side wall surfaces in the bearing box (13) are respectively provided with a sliding chute (14), the sliding grooves (14) are internally provided with sliding blocks (15) in a sliding way, a bearing plate (16) is fixedly arranged between the sliding blocks (15), the fan (5) is fixedly arranged on the upper wall surface of the bearing plate (16), a cylinder body (17) is fixedly arranged on the inner lower wall surface of the bearing box (13), a through hole is arranged on the upper wall surface of the cylinder body (17), a supporting rod (18) is inserted in the through hole, the upper end of the support rod (18) is fixedly connected with the lower wall surface of the bearing plate (16), the lower end of the supporting rod (18) is positioned in the cylinder body (17) and is fixedly provided with a baffle plate (19), the baffle (19) is provided with a plurality of oil through holes (20), damping oil is filled in the cylinder body, a first spring (21) is fixedly arranged between the baffle plate (19) and the inner lower wall surface of the cylinder body (17), and a second spring (22) is fixedly installed between the bearing plate (16) and the outer upper wall surface of the cylinder body (17), and the second spring (22) is sleeved on the supporting rod (18).

4. A sound-insulating, noise-reducing and protective device according to claim 1, characterized in that the outer wall of said lower shell (3) is fixedly provided with ear plates (23).

5. A sound-insulating and noise-reducing guard as claimed in claim 1, characterized in that the base (1) has butt holes on both sides of the lower housing (3).

6. A sound-insulating and noise-reducing guard as claimed in claim 1, characterized in that a sealing ring is fixedly mounted between the flexible hose (8) and the attachment hole.