CN210920536U

CN210920536U - Sound insulation cover with integrated ventilation duct

Info

Publication number: CN210920536U
Application number: CN201921921328.1U
Authority: CN
Inventors: 闵鹤群; 闵子卿
Original assignee: Nanjing Shengyuan Acoustic Technology Co ltd
Current assignee: Nanjing Shengyuan Acoustic Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-03
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a sound-proof cover with integration ventiduct, concretely relates to sound-proof cover technical field, the device comprises a device body, the skin weld of device body has the metal frame, the surface demountable installation of metal frame has the acoustic celotex board, the right-hand member skin weld of device body has the fixed plate, the slotted hole has been seted up on the surface of fixed plate, the top surface of device body bonds there is the rubber pad, the first circular cover of right-hand member fixedly connected with of device body, first circular arc has been seted up on the top of first circular cover, the right side of first circular cover bonds the cushion. The utility model discloses a set up first circular cover and the circular cover of second for first circular cover and the circular cover of second tightly laminate on the surface of air outlet, then with vibrations in the air outlet isolated with the external world, reduced the propagation of noise in the air outlet, greatly increased the device's practicality, the noise of having avoided the air outlet and the influence of vibration to the external world, improved the device's result of use.

Description

Sound insulation cover with integrated ventilation duct

Technical Field

The utility model relates to a sound insulation cover technical field, more specifically say, the utility model relates to a sound insulation cover with integration ventiduct.

Background

The ventilation duct is a metal or nonmetal duct for ventilation and air conditioning engineering of industrial and civil buildings, the ventilation duct is a municipal infrastructure for circulating air and reducing the concentration of harmful gases, the sound insulation cover can effectively block the outward transmission of noise and reduce the influence of the noise on the environment, but the sound insulation cover can bring inconvenience to maintenance, monitoring, pipeline arrangement and the like, is not beneficial to the heat dissipation of the covered device, and sometimes needs ventilation to cool the air in the cover.

However, in practical use, there still exist some disadvantages, such as:

one, current device is when using, because the air outlet vibrations of ventiduct are great for current device only falls the work of making an uproar at the air exit, makes that vibrations and the radiography that a section distance produced of air outlet can't be eliminated, has reduced the device's practicality, greatly reduced the device's the effect of making an uproar falls in giving sound insulation, is unfavorable for the device's practical effect.

When the device is used, because the existing device and the air outlet still have a certain gap when the device is installed, the external wind power is larger, or when rain and snow weather occurs, the existing device is likely to drop from the outlet, the practicability of the device is greatly reduced, the device is made to drop to cause damage, the maintenance and labor cost of the device are increased, and the economic benefit of the device is reduced.

It is therefore desirable to provide an acoustic enclosure with an integrated air duct that has good sealing properties.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an acoustic hood with integration ventiduct, through setting up first circular cover and the circular cover of second, make first circular cover and the circular cover of second tightly laminate on the surface of air outlet, then with the intraoral vibrations of air outlet with external isolated, the propagation of noise in the air outlet has been reduced, greatly increased the device's practicality, through setting up the rubber pad, make the device and the surface of air outlet and the internal surface of inner wall tightly hug closely together, the stability between the device and the air outlet has been increased, in order 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: an acoustic shield with an integrated ventilation duct comprises a device body, wherein a metal frame is welded on the surface of the device body, the surface of the metal frame is detachably provided with a sound insulation board, the right end surface of the device body is welded with a fixed board, the surface of the fixed plate is provided with a slotted hole, the top surface of the device body is bonded with a rubber pad, the right end of the device body is fixedly connected with a first circular cover, the top end of the first circular cover is provided with a first circular arc, the right side of the first circular cover is bonded with an elastic pad, a second circular cover is detachably arranged at the right end of the first circular cover, a second circular arc is arranged on the top surface of the second circular cover, the bottom end of the second circular cover is fixedly provided with a bottom plate, the left side of the first circular cover is provided with a fixing bolt in a threaded manner, the right side surface of the second round cover is provided with a threaded hole, and the bottom end surface of the fixing bolt is in friction connection with a gasket.

In a preferred embodiment, the surface of the metal frame is coated with a layer of anticorrosive paint.

In a preferred embodiment, the number of the acoustic panels is several, and several acoustic panels are sequentially installed from top to bottom at both ends of the metal frame.

In a preferred embodiment, the inner surface of the slot is smooth and frictionless.

In a preferred embodiment, the first circular cover and the second circular cover have the same structure, and the first circular cover and the second circular cover are made of polyvinyl chloride members.

In a preferred embodiment, the length of the fixing bolt has a value in the range of ten centimeters to thirteen centimeters.

In a preferred embodiment, the first circular cover and the second circular cover are fixed by screwing a fixing bolt on the surface of the first circular cover and a threaded hole on the surface of the second circular cover.

In a preferred embodiment, the thickness of the shim ranges from three to two millimeters.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up first circular cover and the circular cover of second for first circular cover and the circular cover of second are tightly laminated on the surface of air outlet, then with the interior vibrations of air outlet isolated with the external world, the propagation of noise in the air outlet has been reduced, greatly increased the device's practicality, make the noise of that section distance of air outlet isolated, greatly increased the device's feature of environmental protection, the noise and the vibration of having avoided the air outlet are to external influence, the device's result of use has been improved.

2. The utility model discloses a set up the rubber pad for the device is in the same place with the internal surface of inner wall is hugged closely tightly with the surface of air outlet, has increased the stability between device and the air outlet, has avoided damage to the device under the bad weather such as sleet and has leaded to the device to drop the possibility of breaking, greatly increased the device's practicality, reduced the device's maintenance and cost of labor, increased the device's economic benefits, improved the device's popularity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the circular cover of the present invention.

Fig. 3 is a schematic diagram of a half-section structure of the present invention.

Fig. 4 is a schematic view of the fixing bolt structure of the present invention.

The reference signs are: 1. a device body; 2. a metal frame; 3. a rubber pad; 4. a sound insulating board; 5. a fixing plate; 6. a slot; 7. a first circular cover; 8. a first arc; 9. an elastic pad; 10. fixing the bolt; 11. a second circular cover; 12. a second arc; 13. a threaded hole; 14. a base plate; 15. and (7) a gasket.

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 work belong to the protection scope of the present invention.

As shown in the attached figures 1-4, the sound insulation cover with the integrated ventilation flue comprises a device body 1, wherein a metal frame 2 is welded on the surface of the device body 1, a sound insulation plate 4 is detachably mounted on the surface of the metal frame 2, a fixing plate 5 is welded on the surface of the right end of the device body 1, a slotted hole 6 is formed in the surface of the fixing plate 5, a rubber pad 3 is bonded on the top surface of the device body 1, a first circular cover 7 is fixedly connected on the right end of the device body 1, a first circular arc 8 is formed at the top end of the first circular cover 7, an elastic pad 9 is bonded on the right side of the first circular cover 7, a second circular cover 11 is detachably mounted on the right end of the first circular cover 7, a second circular arc 12 is formed on the top surface of the second circular cover 11, a bottom plate 14 is fixedly mounted on the bottom end of the second circular cover 11, a fixing bolt 10 is threadedly mounted on the left side, fixing bolt 10's bottom surface friction is connected with gasket 15, metal frame 2's surface is smeared one deck anticorrosive paint, the quantity of acoustic celotex board 4 is a plurality of, a plurality of acoustic celotex board 4 is from the top down both ends of installation metal frame 2 in proper order, the smooth frictionless of internal surface of slotted hole 6, fixing bolt 10's length value scope is ten centimetres to thirteen centimetres, first circular cover 7 and the circular cover 11 of second are fixed together through the threaded hole 13 threaded mounting that fixing bolt 10 on first circular cover 7 surface and the circular cover 11 surface of second were seted up.

Referring to the attached fig. 2 of the specification, the first circular cover 7 and the second circular cover 11 have the same structure, and the first circular cover 7 and the second circular cover 11 are made of polyvinyl chloride members.

The implementation mode is specifically as follows: the material components of the first circular cover 7 and the second circular cover 11 are utilized, the cost of the device is lower, the popularity of the device is increased, the device can be produced in large batch, the device can be sold to various regions, the practicability of the device is increased, the economic benefit of the device is improved, and when the first circular cover 7 and the second circular cover 11 are damaged or worn seriously and need to be replaced, the cost for replacing the first circular cover 7 and the second circular cover 11 is extremely low, the practicability of the device is greatly increased, the economic benefit of the device is improved, and the waste of excessive materials is avoided.

Referring specifically to fig. 4 of the drawings, the thickness of the gasket 15 ranges from three millimeters to two millimeters.

The implementation mode is specifically as follows: the thickness value of the gasket 15 is utilized, the gasket 15 can separate the fixing bolt 10 from the outer surface of the first circular cover 7, the fixing bolt 10 is fixed, the fixing performance between the fixing bolt 10 and the first circular cover 7 is increased, the grabbing force of the fixing bolt 10 is improved, the practicability of the device is greatly increased, the possibility that the fixing bolt 10 drops is avoided, the practicability of the device is greatly increased, the fixing performance of the device is improved, the fixing performance of the fixing bolt 10 of the device is improved, the grabbing force is increased, and the using effect of the device is greatly increased.

The utility model discloses the theory of operation:

a preparation stage: firstly, an operator assembles the device, then the operator normally starts the device, and then the device normally carries out the processes of shock absorption and noise reduction on the noise of the air outlet.

The working stage is as follows: at first the air outlet of air pipe normally exhaust air, thereby self produces great vibrations, then acoustic celotex board 4 utilizes self weight to increase the stability of air pipe's air outlet, thereby the vibrations of the air outlet that has reduced, the noise that has reduced air pipe's air outlet then first circular cover 7 and the circular cover 11 noise that has blockked that section pipeline of air pipe's air outlet to the outside air's influence, the air outlet normally lasts the emission that carries out the air to the outside after that.

And (5) finishing: firstly, an operator normally closes the device, then checks whether the fixity among all components of the device is normal or not, then the operator replaces and maintains parts with serious aging and abrasion in the device, and finally the device completes the work flow of noise reduction on the ventilation pipeline.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an acoustic hood with integration ventiduct, includes device body (1), the skin weld of device body (1) has metal rack (2), the surface demountable installation of metal rack (2) has acoustic celotex board (4), the right-hand member skin weld of device body (1) has fixed plate (5), slotted hole (6), its characterized in that have been seted up on the surface of fixed plate (5): the top surface of device body (1) bonds and has rubber pad (3), the first circular cover of right-hand member fixedly connected with (7) of device body (1), first circular arc (8) have been seted up on the top of first circular cover (7), the right side of first circular cover (7) bonds cushion (9), the right-hand member demountable installation of first circular cover (7) has the circular cover of second (11), second circular arc (12) have been seted up to the top surface of the circular cover of second (11), the bottom fixed mounting of the circular cover of second (11) has bottom plate (14), fixing bolt (10) have been installed to the left side screw thread of first circular cover (7), threaded hole (13) have been seted up on the right side surface of the circular cover of second (11), the bottom surface friction of fixing bolt (10) is connected with gasket (15).

2. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: and a layer of anticorrosive paint is coated on the surface of the metal frame (2).

3. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: the number of the sound insulation boards (4) is a plurality, and the two ends of the metal frame (2) are sequentially installed on the plurality of sound insulation boards (4) from top to bottom.

4. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: the inner surface of the slotted hole (6) is smooth and has no friction.

5. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: the first circular cover (7) and the second circular cover (11) are identical in structure, and the first circular cover (7) and the second circular cover (11) are made of polyvinyl chloride members.

6. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: the length value of the fixing bolt (10) ranges from ten centimeters to thirteen centimeters.

7. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: the first circular cover (7) and the second circular cover (11) are fixed together through the threaded installation of a fixing bolt (10) on the surface of the first circular cover (7) and a threaded hole (13) formed in the surface of the second circular cover (11).

8. The acoustic enclosure with integrated ventilation duct of claim 1, wherein: the thickness value of the gasket (15) ranges from three millimeters to two millimeters.