CN220119558U - Building roof natural ventilator - Google Patents

Abstract

The utility model relates to the technical field of natural ventilators, in particular to a natural ventilator for a building roof, which comprises a fan, wherein a noise reduction pipeline is arranged below the fan, the noise reduction pipeline is formed by a vent pipe, a thickening pipe with a large inner diameter is arranged below the vent pipe Fang Liantong, an attractive material is arranged on the inner wall of the thickening pipe, a silencing air inlet bottom plate is arranged at an air inlet below the thickening pipe, a reinforcing framework is arranged at the periphery of the fan, and the reinforcing framework is arranged on the vent pipe; according to the utility model, through the noise reduction pipeline, the influence of noise on the human body below the indoor roof is reduced; the periphery of the fan is arranged through the reinforcing framework, so that the fan can be prevented from being blown away by strong wind.

Description

Building roof natural ventilator

Technical Field

The utility model relates to the technical field of natural ventilators, in particular to a natural ventilator for a building roof.

Background

The natural ventilator, also called roof natural ventilator, roof ventilator, unpowered fan, fan cap, turbine ventilator, is suitable for being installed in a warehouse workshop for ventilation, cooling and dehumidification, keeping the warehouse ventilated and cool and dry, and avoiding the loss caused by mildew of production raw materials, finished products and the like due to high-temperature hot gas and humidity.

The utility model discloses a building roof ventilator of application number 202122117734.6, this roof ventilator have through designed clearance mechanism, only need install the ventilator after the roof, through the effect of wind for arc pole, connecting plate, brush can be automatic clear up the dust on ventilator main part surface, make ventilator main part surface can keep clean and tidy, simple structure is practical. Through the design of the dismounting mechanism, the brush can be replaced in time after being damaged after being used for a long time, so that dust on the surface of the main body of the subsequent ventilator is cleaned more thoroughly;

although the roof ventilator can be convenient to replace and clean dust, the roof ventilator is communicated with an indoor space through a pipeline, and the sound insulation of a roof is lacked, so that noise generated by the natural roof ventilator and wind impact can be clearly heard indoors, but the problem of noise pitch cannot be solved by the conventional natural ventilator. In view of this, we propose a building roof natural ventilator.

Disclosure of Invention

In order to make up for the defects, the utility model provides a natural ventilator for a building roof.

The technical scheme of the utility model is as follows:

the natural ventilator for the building roof comprises a fan, a noise reduction pipeline is arranged below the fan, the noise reduction pipeline is composed of a ventilation pipe, a thickening pipe with a large inner diameter is arranged below the ventilation pipe Fang Liantong, an attractive material is arranged on the inner wall of the thickening pipe, and a noise reduction air inlet bottom plate is arranged at an air inlet below the thickening pipe;

the periphery of the fan is provided with a reinforcing framework, and the reinforcing framework is arranged on the vent pipe.

Preferably, a conical pipe is connected between the vent pipe and the thickening pipe.

Preferably, the silencing air inlet bottom plate is composed of a plurality of resistive sound absorbing sheets with different lengths, each resistive sound absorbing sheet is in a shape of a small elliptical wing, and the resistive sound absorbing sheets are arranged on the inner wall of the thickened pipe.

Preferably, the fan is composed of a rainproof disc, a plurality of light blades and a circular ring.

Preferably, the upper ends of the light and thin blades are circularly arranged below the periphery of the rainproof disc, and two adjacent light and thin blades are mutually staggered and covered.

Preferably, the lower ends of the light and thin blades are circularly arranged and mounted on the circular ring, and the circular ring is arranged at the upper end of the vent pipe.

Preferably, the reinforcement framework is formed by circularly arranging a plurality of circular arc frameworks, a plurality of circular rods are arranged on the circular arc frameworks, and the lower ends of the circular rods are connected with the rainproof disc.

Preferably, a plurality of circular arc-shaped frameworks are arranged on the vent pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the noise reduction pipeline, the influence of noise on the human body below the indoor roof is reduced; the periphery of the fan is arranged through the reinforcing framework, so that the fan can be prevented from being blown away by strong wind.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a noise reduction pipe in partial cutaway;

FIG. 3 is a schematic view of a partially cut-away structure of a sound deadening intake floor of the present utility model;

FIG. 4 is a schematic view of a blower of the present utility model;

FIG. 5 is a schematic view of the reinforcement cage of the present utility model.

In the figure:

1. a noise reduction pipe; 11. thickening the pipe; 12. a conical tube; 13. attracting the material; 14. a silencing air inlet bottom plate; 141. a resistive sound absorbing sheet; 15. a vent pipe;

2. a blower; 21. a rain-proof disc; 22. thin blades; 23. a circular ring;

3. reinforcing the skeleton; 31. a circular arc-shaped framework; 32. a circular rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model is described in detail by the following embodiments:

the utility model provides a natural ventilator on building roof, including noise reduction pipeline 1, noise reduction pipeline 1 is by breather pipe 15 constitutes, the intercommunication is installed to the inside diameter big add thick pipe 11 of breather pipe 15 below, fixed mounting has suction material 13 on the inner wall of add thick pipe 11, suction material 13 is by the abatvoix form, be used for absorbing the sound of downward transmission, add the periphery fixed mounting of thick pipe 11 on the roof, add the air inlet below thick pipe 11 and install amortization intake bottom plate 14, the fixed intercommunication is installed conical tube 12 between breather pipe 15 and the thick pipe 11, conical tube 12 is used for guiding the gas flow, amortization intake bottom plate 14 is by the resistive acoustic absorption piece 141 of a plurality of different length constitutes, resistive acoustic absorption piece 141 is closely arranged and is circularly, install in the bottom air inlet department of adding thick pipe 11, amortization intake bottom plate 14 is used for the sound above the isolation part, resistive acoustic absorption piece 141 is little oval wing shape, can fine guide gas flow, resistive acoustic absorption piece 141 is fixed mounting on add thick pipe 11 inner wall.

In this embodiment, the fan 2 is mounted on the ventilation pipe 15, the fan 2 is composed of a rainproof disc 21, a plurality of light and thin blades 22 and a circular ring 23, the upper ends of the light and thin blades 22 are circularly arranged and fixedly mounted below the periphery of the rainproof disc 21, two adjacent light and thin blades 22 are mutually staggered and covered, rainwater can be prevented from entering the inner side of the light and thin blades 22, the lower ends of the light and thin blades 22 are circularly arranged and fixedly mounted on the circular ring 23, and the circular ring 23 is arranged at the periphery of the upper end of the ventilation pipe 15.

In this embodiment, the periphery of the fan 2 is provided with a reinforcing framework 3, the reinforcing framework 3 is mounted on the ventilation pipe 15, the reinforcing framework 3 is formed by circularly arranging a plurality of circular arc frameworks 31, the first ends of the circular arc frameworks 31 are fixedly connected, circular rods 32 are fixedly mounted on the circular arc frameworks 31, the lower ends of the circular rods 32 are rotatably connected with the rainproof disc 21, and the lower ends of the circular arc frameworks 31 are fixedly mounted on the periphery of the ventilation pipe 15.

In this embodiment, the reinforcing frame 3 for supporting the rotation of the blower 2 is disposed at the periphery of the blower 2, so as to prevent the blower 2 from being blown away by a strong wind, when a strong rain or a strong wind is blown, the rainwater and the strong wind collide with the periphery of the blower 2, generate noise, and are transferred downwards along the noise reduction pipe 1, but the suction material 13 of the inner wall of the thickened pipe 11 can absorb part of the noise, so as to reduce the transfer of the noise, and meanwhile, the noise reduction air intake bottom plate 14 of the air inlet of the thickened pipe 11 can isolate part of the transfer of the sound, so that the influence of the noise on the human body below the indoor roof is reduced, because the inner diameter of the air inlet of the thickened pipe 11 is larger than the inner diameter of the air pipe 15, the reduction of the air intake amount by the noise reduction air intake bottom plate 14 can be reduced, and meanwhile, the resistive sound absorption sheet 141 forming the noise reduction air intake bottom plate 14 is in the shape of a small oval wing, so that the air flow can be well guided, and the noise generation is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. A natural ventilator for a building roof, comprising a fan (2), characterized in that: a noise reduction pipeline (1) is arranged below the fan (2), the noise reduction pipeline (1) is composed of a vent pipe (15), a thickening pipe (11) with a large inner diameter is arranged below the vent pipe (15) Fang Liantong, an attraction material (13) is arranged on the inner wall of the thickening pipe (11), and a silencing air inlet bottom plate (14) is arranged at an air inlet below the thickening pipe (11);

the periphery of fan (2) is equipped with consolidates skeleton (3), consolidate skeleton (3) install in on breather pipe (15).

2. The building roof natural ventilator of claim 1, wherein: a conical pipe (12) is connected between the vent pipe (15) and the thickening pipe (11).

3. The building roof natural ventilator of claim 1, wherein: the silencing air inlet bottom plate (14) is composed of a plurality of sound-absorbing resistance plates (141) with different lengths, the sound-absorbing resistance plates (141) are in small oval wing shapes, and the sound-absorbing resistance plates (141) are arranged on the inner wall of the thickening pipe (11).

4. The building roof natural ventilator of claim 1, wherein: the fan (2) is composed of a rainproof disc (21), a plurality of thin blades (22) and a circular ring (23).

5. The building roof natural ventilator of claim 4, wherein: the upper ends of a plurality of light and thin blades (22) are circularly arranged below the periphery of the rainproof disc (21), and two adjacent light and thin blades (22) are mutually staggered and covered.

6. The building roof natural ventilator of claim 4, wherein: the lower ends of the light and thin blades (22) are circularly arranged and mounted on the circular ring (23), and the circular ring (23) is arranged at the upper end of the ventilation pipe (15).

7. The building roof natural ventilator of claim 4, wherein: the reinforcing framework (3) is formed by circularly arranging a plurality of circular arc frameworks (31), a plurality of circular rods (32) are arranged on the circular arc frameworks (31), and the lower ends of the circular rods (32) are connected with the rainproof disc (21).

8. The building roof natural ventilator of claim 7, wherein: the arc-shaped frameworks (31) are arranged on the vent pipe (15).