Window exhaust device

Abstract

The utility model relates to the field of household window accessories, in particular to a window exhaust device. The window exhaust device comprises a first air outlet piece, and an air outlet is formed in one end of the first air outlet piece; a fan cover is mounted at the air outlet; comprising a second air outlet piece, and an air inlet is formed in the end, away from the first air outlet piece, of the second air outlet piece; comprising a first connecting disc, and a first annular groove is formed in the middle of the first connecting disc; comprising a second connecting disc, a second annular groove is formed in the middle of the second connecting disc, and the second connecting disc is detachably connected with the first connecting disc; after the first connecting disc is connected with the second connecting disc, the first annular groove is communicated with the second annular groove; the first air outlet piece and the second air outlet piece are mounted in the first connecting disc and the second connecting disc; comprising a case, and a fan is arranged in the case; and the other surface of the case is provided with a fixedly connected filter screen.

Description

Technical Field

[0001] This utility model relates to the field of household window accessories, specifically a window ventilation device. Background Technology

[0002] Windows, as an indispensable component of building structures, not only fulfill the basic functions of ventilation and lighting but also affect the overall aesthetics of the building and the comfort of its inhabitants. Here is a brief introduction to windows: Windows come in various types, which can be categorized by opening method into casement windows, sliding windows, awning windows, and fixed windows; and by material into wooden windows, aluminum alloy windows, PVC windows, and thermally broken aluminum windows. Each type and material has its unique advantages and applicable scenarios. For example, wooden windows are naturally beautiful but have higher maintenance costs, while aluminum alloy windows are corrosion-resistant, lightweight, and high-strength.

[0003] While modern housing designs are becoming increasingly diverse, many existing homes suffer from suboptimal structural designs. For example, curtains or wardrobes can obstruct ventilation, or the layout itself may be flawed. To ensure proper ventilation, additional exhaust systems are often required. However, existing exhaust systems require finding openings, leading many to install them on top of windows for convenience. But this is inconvenient. Furthermore, a new problem arises: the open environment outside the window, coupled with changing weather and seasons, causes wind direction to shift. Often, external wind flows back into the exhaust vent, opposing the fan's output and increasing its load, potentially damaging it. Although existing fans have external baffles to prevent backflow, this prevents the fan from operating in such situations, and operating it further increases the fan's load. Utility Model Content

[0004] The purpose of this invention is to solve the problems of inconvenient installation of existing window exhaust fans and the increased load on the fans when encountering backflow from the outdoor wind direction.

[0005] To solve the above-mentioned technical problems, the present invention provides a window exhaust device, including a first air outlet, one end of which has an air outlet; the air outlet is equipped with an air cover.

[0006] It includes a second air outlet component, which is fixedly or detachably connected to the first air outlet component; the end of the second air outlet component away from the first air outlet component has an air inlet.

[0007] It includes a first connecting plate, the middle of which has a first annular groove;

[0008] The device includes a second connecting plate, which has a second annular groove in its center. The second connecting plate is detachably connected to the first connecting plate. When the first connecting plate and the second connecting plate are connected, the first annular groove communicates with the second annular groove. A first air outlet and a second air outlet are installed inside the first connecting plate and the second connecting plate, respectively. The first air outlet abuts against the inner wall of the first annular groove, and the second air outlet abuts against the inner wall of the second annular groove.

[0009] It includes a chassis containing a fan; one side of the chassis is fixedly or detachably connected to the second connecting plate; the other side of the chassis has a fixedly connected filter screen.

[0010] In a preferred embodiment of the window exhaust device of this utility model, the first air outlet or the second air outlet has a fixedly connected shaft; the first connecting plate or the second connecting plate has a shaft hole, and the shaft is movably installed in the shaft hole.

[0011] In a preferred embodiment of the window exhaust device of this utility model, the inner wall of the first air outlet has at least three locking platforms; the second air outlet has at least three locking hooks; when the first air outlet and the second air outlet are connected, the locking hooks abut against the locking platforms.

[0012] In a preferred embodiment of the window exhaust device of this utility model, the second connecting plate has an elongated air hole that communicates with the second annular groove; the elongated air hole also communicates with the air inlet.

[0013] In a preferred embodiment of the window ventilation device of this utility model, one side of the first connecting plate has at least three screw rods fixedly connected;

[0014] The second connecting disc has at least three through holes, through which at least three of the lead screws pass and are at least partially outside the through holes; and includes at least three nuts threaded onto the ends of the lead screws.

[0015] In a preferred embodiment of the window exhaust device of this utility model, the length of the elongated air hole is at least greater than the diameter of the air inlet.

[0016] In a preferred embodiment of the window exhaust device of this utility model, the surface of the hood has guide vanes. Beneficial effects

[0017] This utility model solves the above-mentioned existing problems and other existing problems not mentioned above, and brings at least the following innovative advantages:

[0018] This utility model of window exhaust device enables rapid installation through the connection of the first and second connecting plates, achieving high installation efficiency and solving the problem of inconvenient installation of current exhaust equipment; furthermore, this utility model provides a good sealing effect after installation.

[0019] This utility model of a window exhaust device uses a shaft installed on the first or second air outlet to allow the first and second air outlets to rotate around the shaft. This allows the air outlets to rotate when encountering backflow of outdoor wind, thus preventing backflow and solving the problem that backflow of external wind increases the load on the fan and accelerates its damage.

[0020] The window exhaust device of this utility model, through the setting of the elongated air hole, ensures that when the first air outlet and the second air outlet rotate at least partially around the shaft, the air inlet can still be at least partially connected to the elongated air hole, so that the air from the fan can be blown into the air inlet 5. Attached Figure Description

[0021] Figure 1 This is a first-view perspective perspective view of the present invention;

[0022] Figure 2 This is a second-view perspective perspective view of the present invention;

[0023] Figure 3 This is a top view of the present invention;

[0024] Figure 4 This is an exploded view of the present invention;

[0025] Figure 5 for Figure 3 Cross-sectional view of position AA in the middle;

[0026] Figure 6 This is a diagram illustrating the effect of using this utility model;

[0027] Figure 7 This is a perspective enlarged view of the second connecting disc, a component of this utility model;

[0028] Figure 8 for Figure 5 A magnified view of a portion of region A in the middle;

[0029] Figure 9 This is a three-dimensional enlarged view of the second air outlet component in this utility model;

[0030] Figure 10 This is a three-dimensional enlarged view of the first air outlet component in this utility model.

[0031] In the diagram: 1. First air outlet, 2. Air outlet, 3. Air cover, 4. Second air outlet, 5. Air inlet, 6. First connecting plate, 7. First annular groove, 8. Second connecting plate, 9. Second annular groove, 10. Chassis, 11. Fan, 12. Filter screen, 13. Shaft, 14. Clamping platform, 15. Clamping hook, 16. Long air hole, 17. Lead screw, 18. Through hole, 19. Nut, 20. Guide vane, 21. Shaft hole. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings.

[0033] In the accompanying drawings, the same reference numerals represent the same parts. It should be noted that the described embodiments are only some, not all, of the embodiments disclosed herein.

[0034] Based on the embodiments described in this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this disclosure.

[0035] This utility model relates to a window ventilation device, such as... Figures 1 to 10 As shown, it includes the first air outlet component 1. Figure 10 The first air outlet 1 is shown to have an air outlet 2 at one end; the air outlet 2 is equipped with a fan cover 3. Figure 1 and Figure 4 The surface of the wind shield 3 is shown to have guide vanes 20;

[0036] It includes a second air outlet 4, which is fixedly connected to or detachably connected to the first air outlet 1; Figure 5 The second air outlet 4 is shown to have an air inlet 5 at the end away from the first air outlet 1; Figure 4 , Figure 9 and Figure 10 The first air outlet 1 and the second air outlet 4 are shown to have semi-circular internal structures and internal cavities, respectively. When the first air outlet 1 and the second air outlet 4 are connected together, they form a spherical whole; as shown. Figure 5 As shown, the air outlet 2 is located to the left of the first air outlet 1, and the air inlet 5 is located to the right of the second air inlet.

[0037] Including the first connecting disk 6, Figure 4 The first connecting plate 6 is shown to have a first annular groove 7 in the middle.

[0038] Including the second connecting disk 8, Figure 4 and Figure 7The second connecting plate 8 is shown to have a second annular groove 9 in the middle, and the second connecting plate 8 is detachably connected to the first connecting plate 6; as shown Figure 5 As shown, when the first connecting plate 6 is connected to the second connecting plate 8, the first annular groove 7 is connected to the second annular groove 9. Figure 4 and Figure 7 The first annular groove 7 and the second annular groove 9 are shown to be frustum-shaped, with one end having a larger diameter than the other; see [link / reference]. Figure 5 The larger diameter end of the first annular groove 7 is close to the larger diameter end of the second annular groove 9; Figure 5 and Figure 8 This demonstrates that the first air outlet 1 and the second air outlet 4 are installed within the first connecting plate 6 and the second connecting plate 8; as shown. Figure 8 As shown, the first air outlet 1 abuts against the inner wall of the first annular groove 7; the second air outlet 4 abuts against the inner wall of the second annular groove 9.

[0039] Including chassis 10, see Figure 1 , Figure 2 and Figure 4 The casing 10 contains a fan 11; one side of the casing 10 is fixedly or detachably connected to the second connecting plate 8; the other side of the casing 10 has a filter screen 12 fixedly connected.

[0040] This utility model window ventilation device requires, during installation, first a hole to be made in the window glass, then the device is installed into the hole. After the device is installed on the glass, as... Figure 3 As shown, the glass plate is positioned between the first connecting plate 6 and the second connecting plate 8. This utility model of a window exhaust device, through the connection of the first connecting plate 6 and the second connecting plate 8, enables rapid installation with high efficiency, solving the problem of inconvenient installation of current exhaust equipment; furthermore, this utility model provides excellent sealing after installation.

[0041] like Figure 5 , Figure 8 and Figure 9 As shown, the first air outlet component 1 or the second air outlet component 4 has a fixedly connected shaft 13; the first connecting plate 6 or the second connecting plate 8 has a shaft hole 21, and the shaft 13 is movably installed in the shaft hole 21. Figure 5 It is shown that the first air outlet 1 and the second air outlet 4 are capable of rotating at least partially about the shaft 13; wherein Figure 3 The image shown is an example of the effect without rotation. Figure 6 The diagram shows the effect of at least the air outlet 2 of the first air outlet 1 being at an inclined angle after rotation.

[0042] This utility model of window exhaust device, through the shaft 13 installed on the first air outlet 1 or the second air outlet 4, allows the first air outlet 1 and the second air outlet 4 to rotate around the shaft 13. Thus, when encountering backflow of outdoor wind, the angle can be rotated to avoid backflow of outdoor wind, solving the problem that the current external wind backflow will increase the load on the fan and accelerate the damage of the fan.

[0043] like Figure 10 As shown, the inner wall of the first air outlet 1 has at least three mounting brackets 14; as Figure 9 As shown, the second air outlet 4 has at least three hooks 15; Figure 5 The diagram shows that when the first air outlet 1 is connected to the second air outlet 4, the hook 15 abuts against the mounting plate 14. Figure 5 and Figure 8 The end of the hook 15 is shown hooking onto the side of the card holder 14.

[0044] like Figure 7 As shown, the second connecting plate 8 has an elongated air hole 16 that communicates with the second annular groove 9; the elongated air hole 16 is also connected to the air inlet 5. Figure 5 and Figure 7 The diagram shows the effect of the elongated air vent 16. This utility model's window exhaust device, through the arrangement of the elongated air vent 16, ensures that when the first air outlet 1 and the second air outlet 4 rotate at least partially around the shaft 13, the air inlet 5 can still be at least partially connected to the elongated air vent 16, allowing air from the fan 11 to be blown into the air inlet 5. Furthermore, the length of the elongated air vent 16 is at least greater than the diameter of the air inlet 5.

[0045] like Figure 4 and Figure 5 As shown, one side of the first connecting plate 6 has at least three lead screws 17 fixedly connected;

[0046] Figure 4 and Figure 7 The second connecting disc 8 is shown to have at least three through holes 18. Figure 5 It is shown that at least three of the lead screws 17 pass through the at least three through holes 18 and are at least partially outside the through holes 18; see also Figure 4 It includes at least three nut pieces 19, which are threaded onto the end of the lead screw 17. Figure 5 , Figure 8 The diagram shows that the lead screw 17 is installed in the through hole 18, and the end of the lead screw 17 is equipped with a nut 19, thereby realizing the connection between the first connecting plate 6 and the second connecting plate 8.

[0047] The terms "first," "second," and similar words used in the specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including" mean that the elements or objects preceding "comprising" cover the elements or objects listed after "comprising" or "including" and their equivalents, but do not exclude other elements or objects. "Above," "below," "left," "right," etc., are only used to indicate relative positional relationships, and these relative positional relationships may also change accordingly when the absolute position of the described object changes.

[0048] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. The scope of protection of the present utility model is defined by the appended claims. For those skilled in the art, other embodiments can be obtained based on the accompanying drawings without creative effort, and any modifications based on the claims of the present utility model are within the scope of protection of the present utility model.

Claims

1. A window ventilation device, characterized in that, It includes a first air outlet, one end of which has an air outlet; the air outlet is fitted with a fan cover; It includes a second air outlet component, which is fixedly or detachably connected to the first air outlet component; the end of the second air outlet component away from the first air outlet component has an air inlet. It includes a first connecting plate, the middle of which has a first annular groove; The device includes a second connecting plate, which has a second annular groove in its center. The second connecting plate is detachably connected to the first connecting plate. When the first connecting plate and the second connecting plate are connected, the first annular groove communicates with the second annular groove. A first air outlet and a second air outlet are installed inside the first connecting plate and the second connecting plate, respectively. The first air outlet abuts against the inner wall of the first annular groove, and the second air outlet abuts against the inner wall of the second annular groove. It includes a chassis containing a fan; one side of the chassis is fixedly or detachably connected to the second connecting plate; the other side of the chassis has a fixedly connected filter screen.

2. The window ventilation device according to claim 1, characterized in that, The first air outlet component or the second air outlet component has a fixedly connected shaft; the first connecting plate or the second connecting plate has a shaft hole, and the shaft is movably installed in the shaft hole.

3. The window ventilation device according to claim 1, characterized in that, The inner wall of the first air outlet has at least three locking platforms; the second air outlet has at least three locking hooks; when the first air outlet is connected to the second air outlet, the locking hooks abut against the locking platforms.

4. The window ventilation device according to claim 2, characterized in that, The second connecting plate has an elongated air hole that communicates with the second annular groove; the elongated air hole also communicates with the air inlet.

5. The window ventilation device according to claim 1, characterized in that, One side of the first connecting plate has at least three lead screws fixedly connected to it; The second connecting disc has at least three through holes, through which at least three of the lead screws pass and are at least partially outside the through holes; and includes at least three nuts threaded onto the ends of the lead screws.

6. The window ventilation device according to claim 4, characterized in that, The length of the elongated air vent is at least greater than the diameter of the air inlet.

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