CN219300945U - Building ventilation device - Google Patents

Abstract

The utility model discloses a building ventilation device which comprises a ventilation pipeline body, wherein one ends of two symmetrical hinges are arranged on an air outlet of the ventilation pipeline body, the other ends of the two hinges are connected with a rain shield, two mounting frames are arranged on the inner wall of the ventilation pipeline body in a mirror image mode, springs are arranged in the mounting frames, the other ends of the springs are connected with the rain shield, and a push-pull assembly used for controlling the opening or closing of the rain shield is arranged on the inner wall of the ventilation pipeline body. The utility model solves the problems that when rainy days are met, outer rainwater can enter the ventilation pipeline through the tail end of the pipeline device, so that accumulated water exists in the pipeline device, odor is generated for a long time, and ventilation work is influenced.

Description

Building ventilation device

Technical Field

The present utility model relates to building ventilation devices.

Background

Ventilation is a building environment control technology for controlling the propagation and hazard of air pollutants by means of ventilation dilution or ventilation removal and the like and realizing the quality assurance of indoor and outdoor air environments. With the continuous development of society, more and more intelligent high-rise buildings appear, but the intelligent buildings are internally provided with complex air conditioning systems, ventilation is extremely important, and a general ventilation pipeline acts as a ventilation device and can realize ventilation by using an energy-saving fan.

Chinese patent publication No. CN218565645U discloses a ventilation equipment duct with a multi-directional tuyere. The ventilating device comprises a case, a fixing device and a movable device, wherein the outer side of the case is fixedly connected with a blower, one end of the blower is connected with a wind pipe for ventilation, two ends of the middle of the wind pipe are provided with an inner wind sleeve and an outer wind sleeve, the tail of the wind pipe is fixedly connected with an inner vacuum wind direction box, the wind direction box is provided with an upper fan blade, a lower fan blade and a left fan blade and a right fan blade, the outer sides of the upper fan blade, the lower fan blade and the left fan blade and the right fan blade are respectively provided with a first motor and a second motor for driving, in a ventilating device pipeline of the multidirectional wind port, the upper fan blade, the lower fan blade and the left fan blade and the right fan blade are adjusted, so that the flow direction of output gas is adjusted, the control of different azimuth wind directions is realized, the air entering the wind direction box is filtered through a filter screen arranged inside the wind direction box, impurities in the output gas are reduced, but when the outer rainwater enters the ventilating pipeline through the tail end of the pipeline device in rainy days, water is accumulated in the ventilating pipeline, the ventilating device is caused, odor is generated for a long time, and the ventilating work is influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a building ventilation device which can effectively prevent a large amount of rainwater from entering a split pipeline in rainy days.

The technical scheme for achieving the purpose is as follows: the utility model provides a building ventilation device, includes the air pipe body, be equipped with the one end of two symmetrical hinges on the air outlet of air pipe body, two the other end of hinge is connected with the weather shield, the mirror image is equipped with two mounting brackets on the inner wall of air pipe body, each be equipped with the spring in the mounting bracket, each the other end of spring is connected with the weather shield, air pipe body inner wall is equipped with and is used for controlling the push-and-pull subassembly that the weather shield opened or closed.

Preferably, the push-pull assembly comprises a guide rail, a guide plate, a rack, a cylindrical gear, a first rotating shaft, a support frame, a first conical gear, a second rotating shaft and a limiting frame, wherein the guide rail is arranged on the inner wall of the ventilating duct body, the guide plate is connected in a sliding manner in the guide rail, the limiting frame is arranged at the tail end of the guide plate, the limiting frame is in contact with the rain shield, the rack is arranged on the guide plate, the rack is meshed with the cylindrical gear, the first rotating shaft is connected to the center of the cylindrical gear, the other end of the first rotating shaft is connected with the first conical gear, the first rotating shaft is connected to the support frame in a rotating manner, the support frame is arranged on the inner bottom surface of the ventilating duct body, the first conical gear is meshed with the second conical gear, and the lower surface of the second conical gear is provided with the second rotating shaft, and the inner wall of the ventilating duct body is connected in a rotating manner.

Preferably, a rotary handle is arranged at the tail end of the second rotating shaft.

Preferably, the inner wall of the guide rail is provided with a first anti-slip coating.

Preferably, the contact surface of the guide plate and the guide rail is provided with a second anti-slip coating.

Preferably, a first bearing is arranged on the support frame, and the inner wall of the first bearing is connected with the first rotating shaft.

Preferably, the ventilation pipeline body is also provided with a second bearing, and the inner wall of the second bearing is connected with the second rotating shaft.

Preferably, the ventilation pipeline body is made of stainless steel material

The beneficial effects of the utility model are as follows: one ends of two symmetrical hinges are arranged on the air outlet of the ventilating duct body, the other ends of the two hinges are connected with rain baffles, the rain baffles can rotate around the central shaft directions of the two hinges, and meanwhile, under the combined action of the two springs, the rain baffles can completely cover the ventilating duct body to prevent rainwater from entering the ventilating duct body in a large amount, and prevent the phenomenon that accumulated water exists in the ventilating duct device and foreign odor is generated;

the second rotating shaft is driven to rotate by rotating the rotating handle, at the moment, the second conical gear rotates along with the second rotating shaft, and as the conical gear is meshed with the second conical gear, the first rotating shaft and the gear rotate together and then drive the guide plate to move along the direction of the guide rail, the limit frame arranged on the guide plate pushes the rain shield to rotate for a certain angle, so that the size of the air outlet of the ventilating duct body can be effectively adjusted, and the air quantity of inlet and outlet can be adjusted.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of the inside of the vent tube body of the present utility model;

fig. 3 is a partial enlarged view at a in fig. 2.

In the figure: 1. a ventilation duct body; 2. a hinge; 3. a rain shield; 4. a mounting frame; 5. a spring; 6. a guide rail; 7. a guide plate; 8. a rack; 9. a cylindrical gear; 10. a first rotating shaft; 11. a support frame; 12. a first bevel gear; 13. a second bevel gear; 14. a second rotating shaft; 15. rotating the handle; 16. and a limiting frame.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, a building ventilation device includes a ventilation duct body 1, two hinges 2, a weather shield 3, two mounting frames 4, a spring 5, and a push-pull assembly.

The air outlet of the ventilating duct body 1 (parts such as an energy-saving fan, a filter plate and the like are installed in the ventilating duct body 1) is provided with one ends of two symmetrical hinges 2, the other ends of the two hinges 2 are connected with a rain shield 3, the rain shield 3 can rotate around the central shaft directions of the two hinges 2, the rain shield 3 can completely cover the ventilating duct body 1, two installation frames 4 are arranged on the inner wall of the ventilating duct body 1 in a mirror image mode, springs 5 are arranged in the installation frames 4, the other ends of the springs 5 are connected with the rain shield 3, and the inner wall of the ventilating duct body 1 is provided with a push-pull assembly used for controlling the opening or closing of the rain shield 3.

Specifically, the push-pull subassembly includes guide rail 6, deflector 7, rack 8, cylindrical gear 9, first pivot 10, support frame 11, first conical gear 12, second conical gear 13, second pivot 14 and spacer 16, ventilation duct body 1 inner wall is equipped with guide rail 6, sliding connection has deflector 7 in guide rail 6, the end of deflector 7 is equipped with spacer 16, be equipped with rack 8 on the deflector 7, rack 8 meshes with cylindrical gear 9, the centre of a circle department of cylindrical gear 9 is connected with first pivot 10, the other end of first pivot 10 is connected with first conical gear 12, first pivot 10 rotates to be connected on support frame 11, support frame 11 is established at ventilation duct body 1's interior bottom surface, first conical gear 12 meshes with second conical gear 13, the lower surface of second conical gear 13 is equipped with second pivot 14, second pivot 14 is connected with ventilation duct body 1 inner wall rotation, the number of teeth and the volume of second conical gear 13 are less than first conical gear 12, in this way can be in rotatory handle 15 when rotatory, more laborsaving (because friction force between deflector 7 and the guide rail 6 is great).

Specifically, the end of the second rotating shaft 14 is provided with a rotating handle 15; the inner wall of the guide rail 6 is provided with a first anti-slip coating, the contact surface of the guide plate 7 and the guide rail 6 is provided with a second anti-slip coating, the first anti-slip coating and the second anti-slip coating have the effects of increasing friction force between the guide plate 7 and the guide rail 6, and when the ventilating duct body 1 is in a maximum air outlet state (at the moment, the upper surfaces of the rain shield 3 and the ventilating duct body 1 are in a parallel state), the elasticity provided by the two springs 5 is smaller than or equal to the friction force between the guide plate 7 and the guide rail 6; the support frame 11 is provided with a first bearing, the inner wall of the first bearing is connected with the first rotating shaft 10, and the first bearing plays a role in supporting the first rotating shaft 10; the ventilation pipeline body 1 is also provided with a second bearing, the inner wall of the second bearing is connected with the second rotating shaft 14, and the second bearing plays a role of supporting the second rotating shaft 14; the ventilating duct body 1 is made of stainless steel materials, and the stainless steel materials have good corrosion resistance and can effectively prolong the service life of the ventilating duct body.

Working principle: when raining days are met, the rotary handle 15 is rotated, the rotary handle 15 rotates to drive the second rotating shaft 14 to rotate, the second conical gear 13 rotates along with the rotary handle, and the first conical gear 12, the first rotating shaft 10 and the cylindrical gear 9 rotate together due to the meshing of the first conical gear 12 and the second conical gear 13 and then drive the guide plate 7 to move along the direction of the guide rail 6, and the limit frame 16 arranged on the guide plate 7 pushes the rain shield 3 to rotate for a certain angle; the rain shield 3 can be retracted by rotating the handle 15 in the opposite direction, so that a large amount of rainwater is prevented from entering the ventilation pipeline body 1.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The utility model provides a building ventilation device, includes ventilation pipe body (1), its characterized in that, be equipped with the one end of two symmetrical hinges (2) on the air outlet of ventilation pipe body (1), two the other end of hinge (2) is connected with weather shield (3), the mirror image is equipped with two mounting brackets (4) on the inner wall of ventilation pipe body (1), each be equipped with spring (5) in mounting bracket (4), each the other end of spring (5) is connected with weather shield (3), ventilation pipe body (1) inner wall is equipped with and is used for controlling the push-and-pull subassembly that weather shield (3) opened or closed.

2. The building ventilation device according to claim 1, wherein the push-pull assembly comprises a guide rail (6), a guide plate (7), a rack (8), a cylindrical gear (9), a first rotating shaft (10), a support frame (11), a first conical gear (12), a second conical gear (13), a second rotating shaft (14) and a limiting frame (16), the guide rail (6) is arranged on the inner wall of the ventilation pipeline body (1), the guide plate (7) is connected in a sliding manner in the guide rail (6), the limiting frame (16) is arranged at the tail end of the guide plate (7), the limiting frame (16) is in contact with the rain shield (3), the rack (8) is arranged on the guide plate (7), the rack (8) is meshed with the cylindrical gear (9), the first rotating shaft (10) is connected to the center of a circle of the cylindrical gear (9), the first conical gear (12) is connected to the other end of the first rotating shaft (10), the first rotating shaft (10) is connected to the support frame (11) in a rotating manner, the first conical gear (12) is meshed with the first conical gear (11) on the bottom surface of the support frame (1), the lower surface of the second conical gear (13) is provided with a second rotating shaft (14), and the second rotating shaft (14) is rotatably connected with the inner wall of the ventilation pipeline body (1).

3. A building ventilation device according to claim 2, characterized in that the end of the second shaft (14) is provided with a rotary handle (15).

4. A building ventilation device according to claim 3, characterized in that the inner wall of the guide rail (6) is provided with a first anti-slip coating.

5. A building ventilation device according to claim 4, characterized in that the contact surface of the guide plate (7) with the guide rail (6) is provided with a second anti-slip coating.

6. A building ventilation device according to claim 5, characterized in that the support frame (11) is provided with a first bearing, the inner wall of which is connected to the first shaft (10).

7. A building ventilation device according to claim 6, characterized in that the ventilation duct body (1) is also provided with a second bearing, the inner wall of which is connected to the second rotation shaft (14).

8. A building ventilation device according to claim 1, characterized in that the ventilation duct body (1) is made of stainless steel material.

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