CN201173548Y - A device with a natural ventilation opening that connects the exhaust duct of the kitchen or bathroom with the exhaust fan - Google Patents

Abstract

The utility model provides a device which is used for connecting a kitchen or bathroom exhaust duct or exhaust fan and is provided with a natural ventilating opening. The device comprises a ventilating pipe arranged on the kitchen or bathroom exhaust duct, an internal screw cover arranged inside the natural ventilating opening at the bottom end part of the ventilating pipe and an external screw cover arranged outside the end part of the ventilating pipe, wherein, the ventilating pipe is provided with a communicating pipe connected with the ventilating pipe into a whole or an exhaust outlet a is processed on the ventilating pipe, the communicating pipe or the exhaust outlet a is communicated with the exhaust fan in the kitchen or the bathroom by a pipeline. The device reconstructs the traditional exhaust device in the kitchen or the bathroom by adopting the theory in physics that the hot air flows to the low temperature air. The device is arranged on the traditional exhaust device in the kitchen or the bathroom, thereby saving energy and having little environmental pollution and high ventilating efficiency, and can be taken as a connecting device of the exhaust duct with the exhaust fan in the kitchen or the bathroom in a storied building.

Description

A device with a natural ventilation opening that connects the exhaust duct of the kitchen or bathroom with the exhaust fan

technical field

The utility model belongs to the technical field of vertical pipes and passages, and in particular relates to a building component specially designed for discharging waste gas, such as flue gas.

Background technique

Building bathroom (lavatory) or kitchen ventilation is a very concerned and concerned issue for architectural design, construction and owners (or occupants). It is eager to have a new ventilation device that takes up little space, energy saving, environmental protection, and high efficiency to keep the bathroom or kitchen. Fresh air. The traditional building toilet or kitchen ventilation device adopts an exhaust fan to draw the peculiar smell gas or oil fume therein to the exhaust duct and discharge it to the atmosphere. This kind of ventilation and exhaust device has a large energy consumption, especially when the exhaust duct is prefabricated with cement or bricks, it takes up a lot of space, and because there are two inner corners and one outer corner for decoration tiles, the construction is troublesome and wastes tiles. . After the tiles are pasted, the exhaust duct takes up more space. At present, during the design and construction of some buildings, the air exhaust duct is canceled for the bathroom or kitchen with windows, and an exhaust fan is used to directly exhaust the peculiar smell gas or oil fume therein to the window. There are also bathrooms or kitchens that use pipes instead of cement prefabricated or brick exhaust ducts to simplify construction and reduce occupied space. Even so, still fail to fundamentally obtain energy saving, environmental protection, efficient exhaust effects. In particular, when the bathroom or the kitchen do not have direct access to the outdoor window, the exhaust duct cannot be canceled and traditional exhaust facilities have to be adopted.

Contents of the invention

The technical problem to be solved by the utility model is to overcome the shortcomings of the above-mentioned building bathroom or kitchen ventilation facilities, and provide a ventilation system with reasonable design, simple structure, small space occupation, energy saving, low environmental pollution, and good ventilation effect connected to the kitchen or bathroom ventilation system. The duct and exhaust fan have natural ventilation openings.

The technical solution adopted to solve the above technical problems is: it includes a ventilation pipe arranged on the exhaust duct of the kitchen or toilet, an inner screw cap arranged in the natural ventilation opening at the bottom end of the ventilation pipe and an outer screw cap arranged outside the end of the ventilation pipe. The cover is provided with a communication pipe connected with the ventilation pipe as a whole on the ventilation pipe or is processed with an air outlet a, and the communication pipe or the air outlet a communicates with the exhaust fan of the kitchen or the bathroom through a pipe.

The ventilation pipe of the utility model is a double-way pipe or a three-way pipe.

The double-way pipe of the present invention is a truncated truncated pipe or a circular truncated pipe whose upper bottom area is larger than that of the lower bottom, and an air outlet a is processed on the side wall of the double-way pipe.

The cross-section of the double-way pipe of the present utility model is rectangular or circular.

The utility model utilizes the principle that hot air flows to low-temperature air in physics to transform the traditional toilet or kitchen exhaust facilities, and install the utility model on the traditional toilet or kitchen exhaust facilities to save energy and reduce environmental pollution. Small size and high ventilation efficiency, it can be used as a connecting device between the exhaust duct and the exhaust fan in the bathroom or kitchen of a building.

Description of drawings

Fig. 1 is a schematic structural view of Embodiment 1 of the present utility model.

FIG. 2 is a top view of FIG. 1 .

Fig. 3 is a view along the direction A of Fig. 1 .

Fig. 4 is a schematic structural view of Embodiment 2 of the present utility model.

Fig. 5 is a schematic structural view of Embodiment 3 of the present utility model.

Detailed ways

The utility model is described in further detail below in conjunction with accompanying drawing and embodiment, but the utility model is not limited to these embodiments.

Example 1

In Fig. 1, 2, 3, the device with the natural vent that connects the kitchen or bathroom exhaust duct and the exhaust fan of the present embodiment is formed by the connection of ventilation pipe 1, outer screw cap 2, and inner screw cap 3.

A double-communication pipe is installed on the exhaust duct of the kitchen or toilet. The ventilation pipe 1 of the present embodiment is a double-pass pipe. The kitchen or bathroom exhaust duct is connected by plugging, or glued, or fixed by threaded fastening joints. An exhaust outlet a is processed on the side wall of the ventilation pipe 1, and the exhaust outlet a is connected with the exhaust fan of the kitchen or the bathroom through a pipe, and is used to discharge the cooking fumes in the kitchen or the odor of the bathroom to the exhaust air of the kitchen or bathroom inside the road. The small-area end of the ventilation pipe 1 is equipped with an inner screw cap 3 in the natural ventilation opening, and the inner screw cap 3 is processed with a ventilation hole. hole, the small-area end of the external screw cap 2 and the ventilation pipe 1 can be connected by plugging, can also be connected by a buckle lap, and can also be connected by a screw thread. Rotating the external screw cap 2 can adjust the ventilation The ventilation volume of tube 1. When the outer screw cap 2 is rotated so that the vent holes on the outer screw cap 2 are aligned with the vent holes on the inner screw cap 3, the ventilation of the ventilation pipe 1 is the largest; When part of the ventilation hole of the ventilation hole and the ventilation hole on the inner screw cover 3 are blocked, the ventilation volume of the ventilation pipe 1 increases with the opening of the ventilation hole; When the ventilation hole on the screw cap 3 is blocked, the lower end of the ventilation pipe 1 is closed. The inner screw cap 3 and the outer screw cap 2 can also be unscrewed to clean up slag dust or discharge accumulated water. The device with the natural ventilation opening connecting the kitchen or bathroom exhaust duct and the exhaust fan of the present embodiment is suitable for being installed in a first-floor resident of a residential building. This structure connects the kitchen or bathroom exhaust duct and the exhaust fan with a natural ventilation device. When the outdoor temperature is lower than the indoor, the power supply of the kitchen or bathroom exhaust fan can be turned off. Using the principle of natural flow of hot air, the kitchen The flue gas can flow in from the ventilation hole on the outer screw cover 2 at the lower end of the ventilation pipe 1, flow to the exhaust duct of the kitchen through the ventilation pipe 1, and be discharged to the outside; The ventilation hole flows into the ventilation duct 1 and flows to the exhaust duct of the bathroom to be discharged to the outside, which does not consume energy and has a good ventilation effect. The smoke in the kitchen and the odor of the bathroom flow smoothly to the exhaust duct, overcoming the kitchen exhaust Smoke pipes pollute the outdoor environment. When the outdoor temperature was higher than indoor, the outdoor air flowed indoors, and the rotatable outer screw cover 2 blocked the ventilation hole, and the smoke in the kitchen and the foul smell in the bathroom were still exhausted to the exhaust duct of the kitchen or bathroom by the exhaust fan. outdoor. This connecting kitchen or bathroom exhaust duct and exhaust fan have a natural vent device, which can be used in the first floor of residential buildings, and can also be used in similar conditions.

Example 2

In Fig. 4, the ventilation pipe 1 of the present embodiment is a double-way pipe, the shape of the ventilation pipe 1 is a convergent pipe, and the cross section is a circular pipe. The tuyere a is connected with the exhaust fan of the kitchen or the bathroom through a pipe, and is used for exhausting the cooking fumes in the kitchen or the odor of the bathroom into the exhaust duct of the kitchen or the bathroom. The small-area end of the ventilation pipe 1 is equipped with an inner screw cap 3 in the natural ventilation opening, and the inner screw cap 3 is processed with a ventilation hole. hole. The connection relationship between the ventilation pipe 1 and the exhaust duct of the kitchen or bathroom and the exhaust fan is the same as that of Embodiment 1, and the principle of natural ventilation is the same as that of Embodiment 1. This structure connects the kitchen or the bathroom exhaust duct and the exhaust fan with the natural ventilation opening device, which can be used by the first-floor households whose exhaust duct is a circular pipe in residential buildings.

Example 3

In FIG. 5 , the ventilation pipe 1 of this embodiment is a three-way pipe. That is "T" shape. One horizontal end of the ventilation pipe 1 is connected with the exhaust duct of the kitchen or bathroom, the other horizontal end of the ventilation pipe 1 is connected with the communication pipe 4, and the communication pipe 4 is connected with the exhaust fan of the kitchen or the bathroom. The vertical direction is connected with the ventilation pipe 1 to have a clean ventilation pipe 5. The inner end of the natural vent at the end of the cleaning ventilation pipe 5 is provided with an inner screw cap 3, and the inner screw cap 3 is processed with a ventilation hole. When the outdoor temperature is lower than indoor, the power supply of the exhaust fan in the kitchen or bathroom can be turned off, and the flue gas in the kitchen can flow in from the vent hole on the external screw cover 2 at the end of the cleaning vent pipe 5 and pass through the vent pipe by utilizing the principle of natural flow of hot air. 1 flows to the exhaust duct of the kitchen and is discharged to the outside, and the odor of the toilet can flow in from the ventilation hole on the outer screw cover 2 at the end of the cleaning ventilation pipe 5, and flow to the exhaust duct of the bathroom through the ventilation pipe 1 to be discharged to the outside. consume energy. When the outdoor temperature is higher than the indoor, the outdoor air flows into the room, and the rotatable outer screw cover 2 blocks the ventilation hole, and the smoke in the kitchen and the foul smell in the bathroom are still exhausted to the exhaust duct of the kitchen or bathroom by the exhaust fan. to the outdoors. When cleaning the ventilation pipe 5 and accumulating dirt, the dirt can be taken out at the cleaning ventilation pipe 5. This structure connects the kitchen or the bathroom exhaust duct and the exhaust fan with a natural vent device, which can be used by households above the second floor of residential buildings.

Claims (4)

1. A device with a natural vent for connecting the exhaust duct of the kitchen or bathroom with the exhaust fan, characterized in that it includes a ventilation pipe (1) arranged on the exhaust duct of the kitchen or bathroom, and is arranged on the ventilation pipe (1). ) the inner screw cap (3) in the natural ventilation opening at the bottom end and the outer screw cap (2) arranged outside the end of the ventilation pipe (1), and the ventilation pipe (1) is provided with a The integrated connecting pipe (4) or the air outlet (a) is processed, and the connecting pipe (4) or the air outlet (a) communicates with the exhaust fan in the kitchen or the bathroom through the pipe. 2. According to claim 1, the device with natural vents connecting the exhaust duct of the kitchen or bathroom with the exhaust fan is characterized in that: said ventilation pipe (1) is a double-way pipe or a three-way pipe. 3. According to claim 2, the device with natural vents for connecting the exhaust duct of the kitchen or bathroom with the exhaust fan is characterized in that: said double-way pipe is a prism-shaped pipe whose upper bottom area is larger than that of the lower bottom. Or a frustum-shaped tube, and an exhaust port (a) is processed on the side wall of the double-way tube. 4. According to claim 2 or 3, the device with natural vents connecting the exhaust duct of the kitchen or bathroom with the exhaust fan is characterized in that: the cross-section of the double-way pipe is rectangular or circular.

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