CN210663317U

CN210663317U - Environment-friendly bellows silencing structure

Info

Publication number: CN210663317U
Application number: CN201921528212.1U
Authority: CN
Inventors: 郭金荣
Original assignee: Wuxi Lvdaofeng Environmental Protection Engineering Co Ltd
Current assignee: Wuxi Lvdaofeng Environmental Protection Engineering Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-02
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an environmental protection bellows noise-abatement structure, including vibration damping mount, the fixed bellows that is equipped with in vibration damping mount top, fixed board, the fine layer of glass, rock wool layer, galvanized sheet layer and the sound insulation cavity layer of punching a hole of being equipped with in proper order in the bellows, the board of punching a hole is the inlayer, the fine layer of glass the rock wool layer with the galvanized sheet layer is the intermediate level, the sound insulation cavity layer is outer, be equipped with acoustical panel one and acoustical panel two in the sound insulation cavity layer, one side of acoustical panel with the inside fixed connection of bellows, two one sides of acoustical panel with galvanized sheet layer fixed connection, acoustical panel one with two sides of acoustical panel are connected and are equipped with the spring seal pipe, the spring seal pipe other end is connected with the fixed plate, the sound insulation cavity in situ just is located be equipped with the acoustical panel between the fixed plate. Has the advantages that: the utility model discloses simple structure, reasonable in design has reduced the pollution of noise greatly, has satisfied the demand.

Description

Environment-friendly bellows silencing structure

Technical Field

The utility model relates to an noise-abatement structure particularly, relates to an environmental protection bellows noise-abatement structure.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a short form of habit of gas compression and gas conveying machinery in China, and generally comprises a ventilator, a blower and a wind driven generator. The key transmission and distribution energy consumption of the fan to the system is a very key part for building energy conservation. According to the years of fan detection of the national air conditioning equipment quality supervision and inspection center, the problem exists in many fans under rated working conditions, so that the fans need to be produced and manufactured strictly according to the product standard requirements. Present fan generally all installs in bellows, carries out work, because the fan during operation can produce vibration noise, ordinary bellows do not have noise elimination, noise reduction and absorbing function for fan work produces noise pollution, and is not environmental protection.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environmental protection bellows noise cancelling structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environmental protection bellows noise-abatement structure, includes vibration damping mount, the fixed bellows that is equipped with in vibration damping mount top, fixed board, the fine layer of glass, rock wool layer, zinc-plated sheet layer and the soundproof cavity layer of punching a hole that is equipped with in proper order in the bellows, the board of punching a hole is the inlayer, the fine layer of glass rock wool layer with the zinc-plated sheet layer is the intermediate level, the soundproof cavity layer is outer, be equipped with acoustical panel one and acoustical panel two in the soundproof cavity layer, acoustical panel one side with the inside fixed connection of bellows, acoustical panel two one side with zinc-plated sheet layer fixed connection, acoustical panel one with two one sides of acoustical panel are connected and are equipped with spring seal tube, the spring seal tube other end is connected with the fixed plate, the soundproof cavity in situ just is located be equipped with the acoustical panel between the.

Furthermore, a groove is formed in the top of the damping base, a supporting plate is arranged in the groove, and the air box is fixed to the supporting plate.

Further, the supporting plate is symmetrically provided with a first movable shaft, the first movable shaft is sleeved with a movable rod, one end of the movable rod is far away from the first movable shaft, the movable rod is sleeved on the sliding sleeve through the movable shaft, and the sliding sleeve is sleeved on the outer side of the sliding rod.

Furthermore, the slide bar is fixed in the groove, and a damping spring is sleeved outside the slide bar and between the sliding sleeve and the inner wall of the groove.

Furthermore, a plurality of through holes are formed in the punching plate.

Furthermore, the sound insulation cavity layer is internally and symmetrically provided with mounting grooves, and two ends of the sound absorption plate are fixed on the mounting grooves.

Furthermore, liquid is filled in the spring sealing pipe, and the liquid is water.

The utility model provides an environmental protection bellows noise cancelling structure, beneficial effect as follows:

(1) through being equipped with vibration damping mount, at the fan during operation, can play the shock attenuation effect, improved the shock resistance of bellows greatly, also reduced the noise simultaneously. Through being equipped with board, the fine layer of glass, rock wool layer and the galvanized sheet layer of punching a hole to play good noise cancelling effect, through being equipped with the syllable-dividing cavity layer, sound can be in the water transmission to the syllable-dividing cavity layer of spring seal intraductal, and the rethread abatvoix is eliminated, thereby has reached syllable-dividing effect, has further improved the noise cancelling effect of bellows, reaches the requirement of environmental protection. The utility model discloses simple structure, reasonable in design has reduced the pollution of noise greatly, has satisfied the demand.

(2) Through being equipped with vibration damping mount, when fan work vibrations, the backup pad receives when the extrusion, will extrude the movable rod, at the cooperation of loose axle one and loose axle two for sliding sleeve extrusion damping spring plays absorbing effect through damping spring, has improved the shock resistance of bellows, makes the whole more stability of equipment, thereby noise abatement's production. The sound-absorbing plate is fixed by arranging the mounting groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an environmental protection bellows muffling structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a bellows in an environmental protection bellows muffling structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a sound insulating cavity layer in an environment-friendly bellows muffling structure according to an embodiment of the present invention.

Reference numerals:

1. a damping mount; 2. an air box; 3. punching a plate; 4. a glass fiber layer; 5. a rock wool layer; 6. a galvanized sheet layer; 7. a sound-insulating cavity layer; 8. a first silencing plate; 9. a second sound-absorbing plate; 10. a fixing plate; 11. a spring seal tube; 12. a sound-absorbing panel; 13. a groove; 14. a support plate; 15. a movable rod; 16. a sliding sleeve; 17. a slide bar; 18. a damping spring; 19. and a through hole.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, an environment-friendly bellows noise elimination structure according to an embodiment of the present invention includes a damping base 1, a bellows 2 is fixed on the top of the damping base 1, a punching plate 3, a glass fiber layer 4, a rock wool layer 5, a galvanized sheet layer 6 and a sound insulation cavity layer 7 are sequentially fixed in the bellows 2, the punching plate 3 is an inner layer, the glass fiber layer 4, the rock wool layer 5 and the galvanized sheet layer 6 are intermediate layers, the sound insulation cavity layer 7 is an outer layer, a first sound elimination plate 8 and a second sound elimination plate 9 are arranged in the sound insulation cavity layer 7, one side of the first sound elimination plate 8 is fixedly connected to the inside of the bellows 2, one side of the second sound elimination plate 9 is fixedly connected to the galvanized sheet layer 6, one side of the first sound elimination plate 8 and one side of the second sound elimination plate 9 are connected to a spring sealing pipe 11, the other end of the spring sealing pipe 11 is connected to a, the sound-absorbing boards 12 are arranged between the fixing plates 10 in the sound-insulating cavity layer 7, and the damping base 1 is arranged, so that a damping effect can be achieved when the fan works, the shock resistance of the air box 2 is greatly improved, and meanwhile, the noise is also reduced. Through being equipped with board 3, the fine layer 4 of glass, rock wool layer 5 and galvanized sheet layer 6 of punching a hole to play good noise cancelling effect, through being equipped with syllable-dividing cavity layer 7, sound can be through the water transmission in the spring seal pipe 11 to the sound-dividing cavity layer 7 in, rethread abatvoix 12 eliminates, thereby has reached syllable-dividing effect, has further improved bellows 2's noise cancelling effect, reaches the requirement of environmental protection. The utility model discloses simple structure, reasonable in design has reduced the pollution of noise greatly, has satisfied the demand.

Example two:

referring to fig. 1-3, for the damper base 1, a groove 13 is formed at the top of the damper base 1, a support plate 14 is disposed in the groove 13, and the bellows 2 is fixed on the support plate 14. For the supporting plate 14, a first movable shaft is symmetrically arranged on the supporting plate 14, a movable rod 15 is sleeved on the first movable shaft, one end, far away from the first movable shaft, of the movable rod 15 is sleeved on a sliding sleeve 16 through the movable shaft, and the sliding sleeve 16 is sleeved on the outer side of a sliding rod 17. For the sliding rod 17, the sliding rod 17 is fixed in the groove 13, and a damping spring 18 is sleeved outside the sliding rod 17 and between the sliding sleeve 16 and the inner wall of the groove 13. For the punching plate 3, a plurality of through holes 19 are provided in the punching plate 3. For the sound insulation cavity layer 7, mounting grooves are symmetrically arranged in the sound insulation cavity layer 7, and two ends of the sound absorption plate 12 are fixed on the mounting grooves. To spring seal pipe 11, be equipped with liquid in the spring seal pipe 11, liquid is water, through being equipped with vibration damping mount 1, when fan work vibrations, backup pad 14 receives the extrusion, will extrude the movable rod 15, at the cooperation of loose axle one and loose axle two for sliding sleeve 16 extrudes damping spring 18, plays absorbing effect through damping spring 18, has improved bellows 2's shock resistance, makes the whole more stable of equipment, thereby the production of noise abatement. The sound-absorbing panel 12 is fixed by being provided with a mounting groove.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process

When in actual application, through being equipped with vibration damping mount 1, at the fan during operation, can play the shock attenuation effect, improved bellows 2's shock resistance greatly, also reduced the noise simultaneously. Through being equipped with board 3, the fine layer 4 of glass, rock wool layer 5 and galvanized sheet layer 6 of punching a hole to play good noise cancelling effect, through being equipped with syllable-dividing cavity layer 7, sound can be through the water transmission in the spring seal pipe 11 to the sound-dividing cavity layer 7 in, rethread abatvoix 12 eliminates, thereby has reached syllable-dividing effect, has further improved bellows 2's noise cancelling effect, reaches the requirement of environmental protection. The utility model discloses simple structure, reasonable in design has reduced the pollution of noise greatly, has satisfied the demand. Through being equipped with vibration damping mount 1, when fan work vibrations, backup pad 14 receives the extrusion, will extrude movable rod 15, at the cooperation of loose axle one and loose axle two for sliding sleeve 16 extrudes damping spring 18, plays absorbing effect through damping spring 18, has improved bellows 2's shock resistance, makes the whole stability more of equipment, thereby noise abatement's production. The sound-absorbing panel 12 is fixed by being provided with a mounting groove.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The environment-friendly air bellow noise elimination structure is characterized by comprising a damping base (1), wherein an air bellow (2) is fixedly arranged at the top of the damping base (1), a punching plate (3), a glass fiber layer (4), a rock wool layer (5), a galvanized plate layer (6) and a sound insulation cavity layer (7) are sequentially and fixedly arranged in the air bellow (2), the punching plate (3) is an inner layer, the glass fiber layer (4), the rock wool layer (5) and the galvanized plate layer (6) are intermediate layers, the sound insulation cavity layer (7) is an outer layer, a first sound elimination plate (8) and a second sound elimination plate (9) are arranged in the sound insulation cavity layer (7), one side of the first sound elimination plate (8) is fixedly connected with the inside of the air bellow (2), one side of the second sound elimination plate (9) is fixedly connected with the galvanized plate layer (6), one sides of the first sound elimination plate (8) and the second sound elimination plate (9) are connected with a spring sealing pipe (11), the other end of the spring sealing pipe (11) is connected with the fixing plates (10), and sound-absorbing plates (12) are arranged in the sound-insulating cavity layer (7) and located between the fixing plates (10).

2. An environment-friendly bellows silencing structure according to claim 1, wherein a groove (13) is formed in the top of the damping base (1), a supporting plate (14) is arranged in the groove (13), and the bellows (2) is fixed on the supporting plate (14).

3. The environment-friendly bellows noise elimination structure according to claim 2, characterized in that a first movable shaft is symmetrically arranged on the support plate (14), a movable rod (15) is sleeved on the first movable shaft, one end of the movable rod (15) is far away from the movable shaft and sleeved on a sliding sleeve (16) through the movable shaft, the sliding sleeve (16) is sleeved outside a sliding rod (17), the sliding rod (17) is fixed in the groove (13), the sliding rod (17) is outside and is located, the sliding sleeve (16) is sleeved with a damping spring (18) between the inner walls of the groove (13).

4. An environment-friendly bellows damping structure according to claim 3, wherein said punching plate (3) is provided with a plurality of through holes (19).

5. An environment-friendly air box silencing structure according to claim 4, wherein mounting grooves are symmetrically arranged in the sound insulation cavity layer (7), and two ends of the sound absorption plate (12) are fixed on the mounting grooves.

6. An environment-friendly bellows muffler structure according to claim 5, wherein the spring seal tube (11) is filled with a liquid, and the liquid is water.