TWM609401U - Ventilation structure - Google Patents

Abstract

This creation is an exhaust structure, including a main body and a one-way circulation piece. The main body includes at least one opening. The opening is opened on the main body. The one-way circulation piece is provided with a fixed part and at least one movable part. It extends outward from the fixed part, the fixed part is arranged on one side of the main body, and the movable part can cover the opening and can open and close the opening. This design can prevent peculiar smell and prevent Insect and dust-proof effect.

Description

Exhaust structure

This creation is about an exhaust structure, especially an exhaust structure that can prevent peculiar smell, insects and dust.

At present, for example, most of the bathrooms and kitchens on the upper and lower floors of multi-houses and buildings are located on the same side, and common exhaust channels are used to exhaust air, causing odors to easily flow to each household through the exhaust channels, especially the higher the building's floor. Public exhaust ducts are prone to heat convection due to the "chimney effect", which makes it easier for odors such as "smoke odors or pipe-to-pipe odors" to flow backwards to residents on each floor through public exhaust ducts, exhaust ducts, etc. obvious. In order to prevent peculiar smells (such as smoke odors or odors between pipes) from entering the room through the exhaust channel, the exhaust fan installed on the ceiling of the bathroom or kitchen used in the bathroom or kitchen of the current building will be equipped with an exhaust check valve , So that when the exhaust fan is not exhausting the air in the forward direction, the exhaust air outlet of the exhaust fan can be closed by the exhaust check valve, thereby preventing the odor from entering the room backflow, but another problem is extended, which is the exhaust air check of the conventional exhaust fan There is usually a gap between the valve and the exhaust port due to manufacturing cost factors (for example, the gap is about 0.3 cm to 0.5 cm), so that the air tightness is not good, and the odor can not be effectively prevented from flowing back, and the gap is easy for small insects to infiltrate through the exhaust fan. Into the bathroom. In addition, after the exhaust fan has been operated for a long period of time, a large amount of dust will accumulate around the plurality of through holes opened on the fan cover of the exhaust fan and the plurality of blades in the exhaust fan, which may easily affect the reduction or decrease of the exhaust air volume of the exhaust fan. The exhaust fan is damaged, so that the user has to clean up for a period of time and it is inconvenient to clean up.

One purpose of this creation is to provide an exhaust structure that can prevent peculiar smell (such as smoke odor or odor between pipes), insects and/or dust. In order to achieve the above-mentioned purpose, the present invention provides an exhaust structure including a main body and a unidirectional circulation member. The main body includes at least one opening. The opening is provided on the main body. The unidirectional circulation member is provided with a fixed The fixed portion and at least one movable portion extend outward from the fixed portion. The fixed portion is arranged on one side of the main body. The movable portion can cover the opening and can open and close the opening. The design of the structure makes it possible to achieve the effects of preventing peculiar smell, preventing insects and dust, and also achieves rapid air tightness and low density.

The above-mentioned purpose of this creation and its structural and functional characteristics will be described based on the preferred embodiments of the accompanying drawings. Please refer to Figures 1A, 2A-2B, and 3A-3C. This creation provides an exhaust structure 1. In this embodiment, the exhaust fan 3 is covered. For example, the exhaust structure 1 of this creation is covered in a building. (Such as a bathroom, a room, or a toilet) on the exhaust fan 3 in the ceiling, but it is not limited to this. As shown in Figures 1A, 2B, and 3A, the exhaust structure 1 includes a body 11 and a one-way circulation member 12, wherein the body 11 and the one-way circulation member 12 of this embodiment are two separate components that are not integrally formed. Combination description, but not limited to this. The main body 11 is made of plastic material. The main body 11 includes at least one opening 111, an inner side 112, an outer side 113 opposite to the inner side 112, a coupling portion 114, and an accommodating space 115. One side of the main body 11 The inner side 112 and the outer side 113 are respectively on the other side. The joint 114 is located at the bottom end of the main body 11, and the accommodating space 115 is located on the inner side 112 of the main body 11. That is, the inner side 112 of the main body 11 is enclosed and formed together. The accommodating space 115, the openings 111 in this embodiment are represented as a plurality of openings 111 (such as four openings 111) which are arranged on the body 11 at radial intervals, that is, the plurality of openings 111 are It penetrates through the top inner side 112 and the outer side 113 of the main body 11 to connect the accommodating space 115 and the outside (such as a space in a building), but it is not limited to this. In an alternative embodiment, the aforementioned opening 111 may be a single opening 111 opened on the body 11 and connected to the accommodating space 115. In addition, the connecting portion 114 of the main body 11 is connected to a carrier 2 (such as the ceiling of a bathroom). In this embodiment, the connecting portion 114 and the carrier 2 are connected in a bonding manner, but it is not limited to this, and is used in specific implementations. At the same time, the aforementioned docking method can also be selected as screw connection, inlay connection or snap connection. And the carrier 2 is provided with the exhaust fan 3, the exhaust fan 3 is covered in the accommodating space 115 of the body 11, and the exhaust fan 3 includes a fan cover 31, an air inlet 32 and an air inlet 32 connected The air outlet 33, the air inlet 32 and the air outlet 33 are respectively located on opposite sides of the exhaust fan 3, the fan outer cover 31 is closed on the air inlet 32, the fan outer cover 31 is provided with a plurality of through holes 311, the The plurality of through holes 311 communicate with the air inlet 32 and the accommodating space 115. In the actual implementation of this creation, the carrier 2 can be a partition (such as a room, kitchen or bathroom partition), a window (such as a room, kitchen or bathroom window), a wall (such as a room, kitchen or bathroom wall), or other fixable Carrier 2 of exhaust fan 3. The one-way circulation member 12 is made of an extremely thin and flexible (flexible) flexible plastic material. The one-way circulation member 12 is shown as a valve body in this embodiment, but is not limited to this. . The one-way flow element 12 is used to supply air flow (forward air flow) into the accommodating space 115 through the opening 111, and to restrict the air flow from flowing out of the accommodating space 115 to the outside, the one-way flow element 12 is provided with a fixed portion 121 and at least one movable portion 122 extending outwardly from the fixed portion 121, the fixed portion 121 is provided on one side of the body 11, and the fixed portion 121 in this embodiment is fixed to the body 11 The inner side 112 of the top end, but it is not limited to this. In specific implementation, the fixing portion 121 may also be provided on the inner side 112 of the side wall of the main body 11. The movable part 122 can cover the opening 111 and can open and close the opening 111, and can be opened and closed by a simple flexible deformation method. Therefore, compared with the conventional technology, the present invention effectively overcomes the external fan of the conventional exhaust fan. The use of a complex valve structure that rotates or translates on the cover for opening and closing will cause many problems such as complex overall structure, inability to quickly air tightness, and poor air tightness. In this embodiment, the movable portion 122 is a plurality of movable portions 122 (such as four movable portions 122), and the number of the plurality of movable portions 122 corresponds to the number corresponding to the plurality of openings 111, wherein the plurality of movable portions 122 It extends radially outward from the peripheral side of the fixed portion 121, each movable portion 122 covers each opening 111 corresponding to each, and each movable portion 122 can open and close each opening 111 in one direction, that is, each movable portion 122 can open and close each opening 111 in one direction. One side of the portion 122 is flat and tightly fitted on the inner side 112 of the body 11 adjacent to each opening 111, so that each movable portion 122 covers each opening 111 and is in a closed state (as shown in Figure 2A), or each A movable portion 122 is upwardly away from the inner side 112 of the main body 11, so that each movable portion 122 does not cover each opening 111 and is in an open state (as shown in FIG. 2B). Refer to Figures 3A, 3B, and 3C, supplemented by Figure 1A, when the exhaust fan 3 is running for exhaust, the plurality of movable parts 122 of the one-way flow member 12 are pushed by the airflow guided by the air inlet 32 of the exhaust fan 3 Each movable part 122 will automatically move upward and open without covering each opening 111 (as shown in Figures 2B and 3C), so that the air flow in the bathroom (ie, the building) can pass through each of the one-way circulation parts 12 The opening 111, the accommodating space 115, and each through hole 311 are guided into the air inlet 32, and then directly discharged from the air outlet 33. When the exhaust fan 3 is not running, each movable part 122 of the one-way circulation member 12 will quickly move downward by its own weight and elastic force, so that each movable part 122 automatically covers each corresponding opening 111 It is closed to form airtight (as shown in Figure 2A), which can effectively prevent (isolate) external odors from flowing back into the building (such as a bathroom), and can also block the air inlet 32 from the insects that crawl in from the air outlet 33 Invade into the bathroom or block dust, so it can achieve the effect of anti-insect and/or dust. In another embodiment, referring to Figure 1B, the exhaust fan 3 cover structure 1 includes a plurality of one-way circulation members 12, and the fixing portion 121 of each one-way circulation member 12 is fixed on the top inner side 112 (or the inner side of the side wall) of the main body 11. 112), the movable portion 122 of each one-way circulation member 12 covers each corresponding opening 111 and can open and close each opening 111. In some other embodiments, the main body 11 and the one-way circulation member 12 are integrally formed, that is, the one-way circulation member 12 and the main body 11 are formed into an integral structure by plastic injection molding (or plastic vacuum molding). In another alternative embodiment, the exhaust fan 3 is not provided with the fan cover 31, and the body 11 is connected to the exhaust fan 3, that is, the exhaust structure 1 of the present invention is used as the fan cover 31 of the exhaust fan 3 itself, so that it is combined with The main body 11 of the one-way circulation member 12 is directly covered with the air inlet 32 of the exhaust fan 3, so that the convenience in assembly is good and the overall appearance is good. In yet another alternative embodiment, the main body 11 is connected to the exhaust port 33 of the exhaust fan 3, and the coupling portion 114 is located on the peripheral side of the main body 11 and is combined with the inner side of the exhaust port 33 (or at the exhaust port 33), The inner side 112 of the main body 11 faces the outer direction of the exhaust port 33, and the outer side 113 faces away from the inner side 112. When the exhaust fan 3 is running to exhaust air, the plurality of movable parts 122 of the one-way flow member 12 are exhausted by the exhaust Driven by the airflow guided and discharged in the air outlet 33, each movable part 122 will automatically move to the outside of the air outlet 33 to open without covering each opening 111 (as shown in Figure 2B). When the exhaust fan 3 is not running, Each movable portion 122 of the one-way circulation member 12 quickly moves toward the outer side 113 (that is, away from the exhaust port 33) by its own elastic force, so that each movable portion 122 automatically covers each corresponding opening 111 The top is closed to form airtightness (as shown in Figure 2A), so through this creative exhaust structure 1 is designed to have the effect of a check valve at the exhaust outlet, so that it can effectively prevent (isolate) external odors, insects and/or dust effect. In another alternative embodiment, referring to Fig. 1C, the other side of the main body 11 (ie, the outer side 113) is connected to a dust-proof member 14. The dust-proof member 14 is a dust-proof net, and the dust-proof member 14 is disposed on the other side of the main body 11. One side covers each opening 111, which is used to filter the airflow passing through each opening 111, so as to achieve the effect of filtering dust, and also prevent small insects from each opening when the exhaust fan 3 stops running. 111 The effect of climbing into the bathroom. The connection method between the other side of the main body 11 and the dust-proof member 14 is the magnet 15 adsorption connection, but it is not limited to this. In the specific implementation, it may also be selected to be glued, snapped, embedded or plugged. Therefore, through the design of the exhaust structure 1 of the present invention, the effects of preventing peculiar smell, insects and/or dust can be achieved. In addition, through the creation of the ultra-thin and flexible (flexible) flexible unidirectional circulation member 12, the effect of wind resistance can be reduced, and the effect of rapid air tightness and increased reliability of the mechanism can be achieved.

1: Exhaust structure 11: body 111: Hole 112: inside 113: Outside 114: Joint 115: accommodating space 12: One-way circulation 121: fixed part 122: Activities Department 14: Dustproof parts 15: Magnet 2: carrier 3: exhaust fan 31: Fan cover 311: Through Hole 32: Air inlet 33: Exhaust vent

Figure 1A is an exploded three-dimensional schematic diagram of an embodiment of the creation. Figure 1B is an exploded three-dimensional schematic diagram of another embodiment of the creation. Figure 1C is an exploded three-dimensional schematic diagram of another alternative embodiment of the creation. Figure 2A is a schematic diagram of the moving part of the exhaust structure in a closed state according to an embodiment of the creation. Figure 2B is a schematic diagram of an open state of the movable part of the exhaust structure of an embodiment of the creation. Figure 3A is an exploded schematic diagram of the exhaust structure and carrier of the creation. Figure 3B is a schematic diagram of the created exhaust fan structure covering the exhaust fan of the carrier. Figure 3C is a schematic diagram of the implementation of the created exhaust fan structure covered on the exhaust fan of the carrier.

1: Exhaust structure

11: body

111: Hole

112: inside

113: Outside

114: Joint

115: accommodating space

12: One-way circulation

121: fixed part

122: Activities Department

Claims (11)

An exhaust structure, including: A body including at least one opening, and the opening is opened on the body; A one-way flow member is provided with a fixed part and at least one movable part extending outward from the fixed part, the fixed part is arranged on one side of the body, and the movable part can cover the opening and can be opened and closed The opening. As described in the first item of the scope of patent application, the main body has an inner side, an outer side opposite to the inner side, a connecting portion, and an accommodating space, and the opening is connected to the accommodating space, and the body One side is the inner side, the other side of the main body is the outer side, the coupling portion is located at the bottom end of the main body, and the accommodating space is located on the inner side of the main body. In the exhaust structure described in item 1 of the scope of patent application, the body includes a plurality of openings, and the plurality of openings are opened on the body at intervals. For example, the exhaust structure described in item 3 of the scope of patent application, wherein the one-way circulation member is provided with a plurality of movable parts, the plurality of movable parts extend radially outward from the peripheral side of the fixed part, and each movable part is covered Each of the openings corresponds to each of the openings, and each of the movable parts can open and close each of the openings. In the exhaust structure described in item 1 of the scope of patent application, a dustproof piece is connected to the other side of the main body, and the dustproof piece is arranged on the other side of the main body and covers the opening. For the exhaust structure described in item 5 of the scope of the patent application, the connection between the other side of the main body and the dust-proof member can be magnet adsorption connection, bonding, snap connection, embedding or plug-in connection. In the exhaust structure described in item 2 of the scope of patent application, the joint portion of the main body is connected to a carrier, and an exhaust fan is arranged on the carrier, and the exhaust fan is covered in the accommodating space of the main body. The exhaust structure described in item 1 of the scope of patent application, wherein the unidirectional circulation member and the system are integrally formed or not integrally formed. For example, the exhaust structure described in item 1 of the scope of patent application, wherein the main body is connected to an exhaust fan, and the exhaust fan is not provided with a fan cover. The exhaust fan includes an air inlet and an air outlet connected to the air inlet. The system cover Close at the air inlet. For the exhaust structure described in item 1 of the scope of patent application, the body is made of plastic material, and the one-way flow member is made of extremely thin, flexible and flexible plastic material. In the exhaust structure described in item 1 of the scope of patent application, the main body is connected to an exhaust opening of an exhaust fan, and the exhaust fan includes an air inlet connected to the exhaust opening.

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