CN211060329U - Sound-proof building ventilation unit - Google Patents

Abstract

The utility model relates to the building field and discloses a sound-proof building ventilation device, which comprises a device body, an outer baffle and an inner baffle; the upper and lower tip fixed mounting of device body has the mounting panel, outer baffle and interior baffle are installed respectively to the front and back side of device body, the medial surface that is located the interior baffle has been laid the vertical sound cotton of inhaling of one deck, the inside top-down equidistant installation of outer baffle has the same ventilation pipe of a plurality of groups, the upper and lower inner wall upper berth of ventilation pipe is equipped with the sound cotton of inhaling, top-down is provided with the same wind channel of a plurality of groups between outer baffle and the interior baffle, the inside in wind channel is provided with vertical rotation axis, the upper and lower tip fixed mounting of rotation axis has the guide rail, the guide rail rotates to be connected and sets up in the inside and the inside swivelling chute of mounting panel of. The utility model has the advantages that: and the ventilation is realized, the transmission of sound is blocked, and the sound insulation effect is extremely strong.

Description

Sound-proof building ventilation unit

Technical Field

The utility model relates to a building field specifically is a sound-proof building ventilation unit.

Background

The building body with good sound insulation effect needs to have good sound insulation and silencing effects under general conditions, so that the sound insulation effect is poor due to the arrangement of the ventilation device.

Chinese patent (publication number: CN 208458182U, bulletin date: 2019.02.01) discloses a sound-insulation building ventilation device, which comprises an embedded part arranged in a building passageway, wherein the middle of the embedded part is provided with a filling cavity, the upper end surface of the filling cavity is provided with more than one through groove, two sides of each through groove are respectively provided with a guide groove, a movable pressing plate is arranged in each through groove, two sides of each movable pressing plate are respectively provided with a guide block, the guide blocks extend into the guide grooves in a sliding manner, and the guide blocks and the movable pressing plates seal the whole through grooves and the guide grooves; the bottom of every activity clamp plate all is provided with a roof, and the top of roof all sets up a horizontal plate perpendicularly, the bottom surface of filling the chamber is provided with a memory foam-rubber cushion, and more than one business turn over gas outlet aperture is seted up at the top of memory foam-rubber cushion, and the bottom of horizontal plate and the up end contact of memory foam-rubber cushion. However, the device only absorbs sound through the memory sponge cushion, so that the sound elimination steps are few, the sound transmission cannot be blocked efficiently, and the sound insulation effect is general.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound-proof building ventilation unit 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: a sound-proof building ventilation device comprises a device body, an outer partition plate and an inner partition plate; the upper end and the lower end of the device body are fixedly provided with mounting plates, and the device body is vertically arranged inside a building wall body through the mounting plates. Outer baffle and inner baffle are installed respectively to the side around the device body, and the medial surface that is located the inner baffle has laid the vertical sound cotton of inhaling of one deck, inhales the cotton setting of sound and is used for absorbing the noise that the building indoor produced, reduces the output of sound. The inside top-down of outer baffle is equidistant installs the same ventilation pipe of a plurality of groups, and the upper and lower inner wall upper berth of ventilation pipe is equipped with inhales the sound cotton, inhales the sound cotton and is used for absorbing sound, top-down is provided with the same wind channel of a plurality of groups between outer baffle and the inner baffle, carries out fixed connection through the bracing piece between the wind channel, and both ends are fixed mounting respectively on the inner wall of outer baffle and inner baffle about the bracing piece, and the inside in wind channel is provided with vertical rotation axis, and the upper and lower tip fixed mounting of rotation axis has the guide rail, and the guide rail rotates to be connected and to be seted. The surface of the rotating shaft is annularly and fixedly provided with four groups of equidistant dialing plates, when air flows between the outer partition plate and the inner partition plate, the rotating shaft rotates under the action of resistance of the dialing plates when wind force meets the dialing plates, so that when sound passes through the air channel, the sound can be continuously blocked from being transmitted due to the rotation of the dialing plates, and then the sound is continuously consumed.

As a further aspect of the present invention: the ventilation pipe sets up to Z type structure, is convenient for the extension through the inside sound dwell time of ventilation pipe to through inhaling the sound that the cotton fully absorbs the process of sound, improve syllable-dividing effect.

As a further aspect of the present invention: the inside fixed mounting of ventilation pipe has two sets of parallel filter screens, and the setting of filter screen is arranged in detaching the impurity that carries in the inside wind of ventilation pipe, and then improves the dust removal function of device body.

As a further aspect of the present invention: the surface of the shifting plate is provided with a corrugated structure, so that the stay time of sound in the air duct is prolonged, and the sound insulation effect is improved.

As a further aspect of the present invention: it has the one deck to inhale the sound cotton to dial the fixed surface of board through the binder parcel, through dialling the board when consuming sound, inhales the sound cotton in the increase to can carry out complete elimination with the sound that produces inside and outside the building, thereby make the device have good syllable-dividing effect.

Compared with the prior art, the beneficial effects of the utility model are that: the ventilation pipes are arranged in the outer partition plate and the inner partition plate during ventilation, so that the stay time of sound passing through the ventilation pipes is prolonged conveniently, the sound-absorbing cotton fully absorbs the passing sound, and the sound-insulating effect is improved; the middle parts of the outer partition board and the inner partition board are provided with the shifting board which can rotate along with the wind, so that when sound passes through the air duct, the transmission of the sound can be continuously blocked due to the rotation of the shifting board, and the sound is continuously consumed.

Drawings

Fig. 1 is a schematic view of the internal structure of a soundproof building ventilation device.

Fig. 2 is a schematic view showing the internal structure of a ventilation pipe in a soundproof building ventilation device.

Fig. 3 is a schematic view showing a coupling structure of a rotating shaft and a dial plate in a soundproof building ventilating device.

Wherein: the device comprises a device body 10, an outer partition plate 11, an inner partition plate 12, an air duct 13, a support rod 14, a rotating shaft 15, a shifting plate 16, a rotating groove 17, a guide rail 18, sound absorption cotton 19, a filter screen 20, a ventilation pipe 21 and a mounting plate 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1 to 3, a sound-proof building ventilation device includes a device body 10, an outer partition 11, and an inner partition 12; the upper and lower end portions of the apparatus body 10 are fixedly mounted with mounting plates 22, and the apparatus body 10 is vertically disposed inside a building wall through the mounting plates 22. The front side and the rear side of the device body 10 are respectively provided with an outer partition plate 11 and an inner partition plate 12, a layer of vertical sound-absorbing cotton 19 is laid on the inner side surface of the inner partition plate 12, and the sound-absorbing cotton 19 is arranged to absorb noise generated in a building room and reduce the output of sound. The inside top-down equidistant ventilation pipe 21 that a plurality of groups are the same of installing of outer baffle 11, and the upper and lower inner wall upper berth of ventilation pipe 21 is equipped with inhales the sound cotton 19, inhales the sound cotton 19 and is used for absorbing sound, and ventilation pipe 21 sets up to Z type structure, is convenient for prolong the time of the sound stay through ventilation pipe 21 inside to through inhaling the sound that the cotton 19 fully absorbed the process of sound, improve syllable-dividing effect. Two groups of parallel filter screens 20 are fixedly installed inside the ventilation pipe 21, and the filter screens 20 are used for removing impurities carried in wind passing through the ventilation pipe 21, so that the dust removal function of the device body 10 is improved. A plurality of groups of identical air ducts 13 are arranged between the outer partition plate 11 and the inner partition plate 12 from top to bottom, the air ducts 13 are fixedly connected through a support rod 14, the left end and the right end of the support rod 14 are fixedly installed on the inner walls of the outer partition plate 11 and the inner partition plate 12 respectively, a vertical rotating shaft 15 is arranged inside the air ducts 13, guide rails 18 are fixedly installed at the upper end and the lower end of the rotating shaft 15, and the guide rails 18 are rotatably connected in rotating grooves 17 which are formed in the supporting rod 14 and the mounting plate 22. The surface of the rotating shaft 15 is fixedly provided with four groups of shifting plates 16 at equal intervals in an annular shape, when air flows between the outer partition plate 11 and the inner partition plate 12, when wind force meets the shifting plates 16, the rotating shaft 15 rotates under the action of the resistance of the shifting plates 16, so that when sound passes through the air duct 13, the transmission of the sound can be continuously blocked due to the rotation of the shifting plates 16, and further the sound is continuously consumed. The surface of the dial plate 16 is formed in a corrugated structure, which improves the sound insulation effect by prolonging the stay time of sound in the air duct 13.

The utility model discloses a theory of operation is: the device body 10 is firstly arranged inside a building wall through the mounting plate 22, then the flow of air inside and outside the building is facilitated through the arranged outer partition plate 11, the inner partition plate 12 and the air duct 13, the ventilation effect is not influenced, when noise is generated in the building room, most of the noise is absorbed through the inner partition plate 12, the sound then passes through the ventilation duct 21 inside the inner partition 12, so that it can again partly escape, and then, when it passes through the duct 13, due to the wind force when it encounters the paddle 16, the rotation shaft 15 is rotated by the resistance of the dial plate 16, so that when the generated sound passes through the wind tunnel 13, due to the rotation of the dial plate 16, the transmission of sound is blocked continuously, and the sound is consumed continuously, and finally, the sound is eliminated through the outer partition plate 11 again through the ventilation pipe 21, so that the device body 10 has an excellent sound insulation function.

Example two

On the basis of the first embodiment, the surface of the shifting plate 16 is fixed with a layer of sound absorbing cotton 19 wrapped by an adhesive, and the sound absorbing cotton 19 is added while the sound is consumed by the shifting plate 16, so that the sound generated inside and outside the building can be completely eliminated, and the device has a good sound insulation effect.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A sound-proof building ventilation device comprises a device body (10), an outer partition plate (11) and an inner partition plate (12); the device is characterized in that the front side and the rear side of the device body (10) are respectively provided with an outer partition plate (11) and an inner partition plate (12), a layer of vertical sound-absorbing cotton (19) is paved on the inner side surface of the inner partition plate (12), a plurality of groups of same ventilation pipes (21) are installed in the outer partition plate (11) at equal intervals from top to bottom, the upper inner wall and the lower inner wall of each ventilation pipe (21) are paved with sound-absorbing cotton (19), a plurality of groups of same air ducts (13) are arranged between the outer partition plate (11) and the inner partition plate (12) from top to bottom, the air ducts (13) are fixedly connected through supporting rods (14), the left end and the right end of each supporting rod (14) are respectively and fixedly installed on the inner walls of the outer partition plate (11) and the inner partition plate (12), a vertical rotating shaft (15) is arranged in the air ducts (13), and guide rails (18) are, the guide rail (18) is rotatably connected in a rotating groove (17) which is arranged in the supporting rod (14) and the mounting plate (22), and four groups of shifting plates (16) with equal intervals are fixedly arranged on the surface of the rotating shaft (15) in an annular shape.

2. A sound-insulating building ventilation device according to claim 1, characterized in that the ventilation tube (21) is provided in a Z-shaped configuration.

3. A sound-insulating building ventilation unit as claimed in claim 2, characterized in that two sets of parallel filter screens (20) are fixedly mounted inside the ventilation pipe (21).

4. A sound-insulating building ventilation device according to claim 3, wherein the surface of the striking plate (16) is provided with a corrugated structure.

5. A sound-insulating building ventilation unit as claimed in any one of claims 1 to 4, wherein the dial plate (16) is faced with a layer of sound-absorbing cotton (19) by adhesive.

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