Double-fan breathing fan

Abstract

The utility model belongs to the technical field of seat ventilation, and particularly relates to a double-fan breathing fan. The double-fan breathing fan comprises a top plate which is erected on an upper pore plate to form an upper fan accommodating cavity; the bottom plate is erected on the lower pore plate to form a lower fan accommodating cavity; the upper pore plate is connected with the lower pore plate, so that the upper fan accommodating cavity is communicated with the lower fan accommodating cavity; the upper fan is arranged in the upper fan accommodating cavity; and the lower fan is arranged in the lower fan accommodating cavity. When the double-fan breathing fan meets a use field in which air blowing to the surface of a seat and air suction from the surface of the seat need to be flexibly switched, one of the two fans is powered on, and the other fan is powered off, so that switching can be completed.

Description

Technical Field

[0001] This utility model belongs to the field of seat ventilation technology, specifically relating to a dual-fan breathing fan. Background Technology

[0002] Seat ventilation technology improves seating comfort by enhancing airflow between the human body and the seat. Currently, seat ventilation is achieved by using a fan to blow air onto the seat surface or by using a fan to draw air from the seat surface.

[0003] However, most seats with ventilation function currently only use a single fan, which is not flexible enough in switching between the two modes of blowing air onto the seat surface and drawing air from the seat surface. Utility Model Content

[0004] The purpose of this invention is to provide a dual-fan breathing fan to solve the technical problem that most seats with seat ventilation functions currently only use a single fan, which makes the switching between the two modes of blowing air onto the seat surface and drawing air from the seat surface inflexible.

[0005] To solve the above-mentioned technical problems, this utility model provides a dual-fan breathing fan, comprising: a top plate mounted on an upper perforated plate to form an upper fan receiving cavity; a bottom plate mounted on a lower perforated plate to form a lower fan receiving cavity; the upper perforated plate and the lower perforated plate are connected to communicate between the upper fan receiving cavity and the lower fan receiving cavity; an upper fan disposed in the upper fan receiving cavity; and a lower fan disposed in the lower fan receiving cavity.

[0006] Furthermore, the upper perforated plate is an annular plate with several upper protrusions connected to its sidewalls; each of the upper protrusions is provided with an upper mounting seat; and the top plate has a top plate docking hole corresponding to the upper mounting seat.

[0007] Furthermore, there are four upper protrusions that are evenly connected to the side wall of the upper perforated plate; each upper protrusion is provided with an upper mounting seat so that the top plate can be connected to the upper mounting seat through the top plate docking hole. When mounted on the upper perforated plate, the side of the upper fan receiving cavity is left open.

[0008] Furthermore, the lower perforated plate is an annular plate with several lower protrusions connected to its sidewalls; each of the lower protrusions is provided with a lower support seat; the bottom plate has bottom plate docking holes corresponding to the lower support seats.

[0009] Furthermore, there are four lower protrusions that are evenly connected to the side wall of the lower perforated plate; each lower protrusion is provided with a lower mounting seat so that the bottom plate can be connected to the lower mounting seat through the bottom plate docking hole. When mounted on the lower perforated plate, the side of the lower fan receiving cavity is left open.

[0010] Furthermore, each of the upper protrusions has an upper mating hole; each of the lower protrusions has a lower mating hole, and the lower mating holes correspond to the upper mating holes, so that when the upper perforated plate and the lower perforated plate are mated, each lower mating hole is aligned with the corresponding upper mating hole.

[0011] Furthermore, the dual-fan breathing fan also includes: a central perforated plate with four central perforated plate docking posts connected to its side wall; each of the upper protrusions has an upper docking hole; each of the lower protrusions has a lower docking hole; and each central perforated plate docking post has a through hole so that when the central perforated plate is sandwiched between the upper and lower perforated plates, each lower docking hole is aligned with the corresponding upper docking hole through the through hole on the central perforated plate docking post.

[0012] Furthermore, the dual-fan breathing fan further includes: a connecting hose, the upper end of which is connected to an upper hose docking portion, and the lower end of which is connected to a lower hose docking portion; each of the upper protrusions has an upper docking hole; each of the lower protrusions has a lower docking hole; the upper hose docking portion has an upper hose docking hole corresponding to the upper docking hole; and the lower hose docking portion has a lower hose docking hole corresponding to the lower docking hole.

[0013] The beneficial effect of this utility model is that it aims to solve the technical problem that most seats with seat ventilation functions currently only use a single fan, which is not flexible enough in switching between the two modes of blowing air onto the seat surface and drawing air from the seat surface. This dual-fan breathing fan forms an upper fan housing cavity and a lower fan housing cavity by mounting a top plate on an upper perforated plate and a bottom plate on a lower perforated plate, and by connecting the upper and lower perforated plates. The upper fan housing cavity and the lower fan housing cavity are connected. An upper fan can be installed in the upper fan housing cavity and a lower fan can be installed in the lower fan housing cavity. When a usage scenario requires flexible switching between blowing air onto the seat surface and drawing air from the seat surface, one fan can be powered on and the other powered off to complete the switching. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of the dual-fan breathing fan of this utility model. Figure 1 ;

[0016] Figure 2 This is an exploded view of the dual-fan breathing fan of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the dual-fan breathing fan of this utility model. Figure 2 ;

[0018] Figure 4 This is a schematic diagram of the structure of the dual-fan breathing fan of this utility model. Figure 3 ;

[0019] Figure 5 This is a schematic diagram of the structure of the dual-fan breathing fan of this utility model. Figure 4 ;

[0020] In the picture:

[0021] Top plate 100, top plate docking hole 110, upper perforated plate 200, upper protrusion 210, upper support seat 211, upper docking hole 212, upper fan receiving cavity 300, bottom plate 400, bottom plate docking hole 410, lower perforated plate 500, lower protrusion 510, lower support seat 511, lower docking hole 512, lower fan receiving cavity 600, upper fan 700, lower fan 800, middle perforated plate 910, middle perforated plate docking post 911, connecting hose 920, upper hose docking part 921, upper hose docking hole 923, lower hose docking part 922, lower hose docking hole 924. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments implemented by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Example

[0024] like Figure 1 As shown, this utility model provides a dual-fan breathing fan, comprising: a top plate 100 mounted on an upper perforated plate 200 to form an upper fan receiving cavity 300; a bottom plate 400 mounted on a lower perforated plate 500 to form a lower fan receiving cavity 600; the upper perforated plate 200 and the lower perforated plate 500 are connected to communicate between the upper fan receiving cavity 300 and the lower fan receiving cavity 600; an upper fan 700 disposed in the upper fan receiving cavity 300; and a lower fan 800 disposed in the lower fan receiving cavity 600.

[0025] This dual-fan breathing fan is constructed by mounting the top plate 100 on the upper perforated plate 200 and the bottom plate 400 on the lower perforated plate 500. By connecting the upper perforated plate 200 and the lower perforated plate 500, an upper fan housing 300 and a lower fan housing 600 can be formed, and the upper fan housing 300 and the lower fan housing 600 are connected. An upper fan 700 can be installed in the upper fan housing 300, and a lower fan 800 can be installed in the lower fan housing 600. When it is necessary to flexibly switch between blowing air onto the seat surface and drawing air from the seat surface, one fan can be powered on and the other can be de-powered to complete the switching.

[0026] like Figure 2 As shown, the upper perforated plate 200 is an annular plate with several upper protrusions 210 connected to its side wall; each upper protrusion 210 is provided with an upper mounting seat 211; the top plate 100 is provided with a top plate docking hole 110 corresponding to the upper mounting seat 211.

[0027] In at least one embodiment, such as Figure 2 As shown, there are four upper protrusions 210, evenly connected to the side wall of the upper perforated plate 200; each upper protrusion 210 is provided with an upper mounting base 211, so that the top plate 100 connects to the upper mounting base 211 through the top plate docking hole 110, and when mounted on the upper perforated plate 200, it combines... Figure 1 The side of the upper fan receiving cavity 300 is left open. After the side of the upper fan receiving cavity 300 is left open, an air bag can be installed on the side of the upper fan receiving cavity 300.

[0028] like Figure 2 As shown, the lower perforated plate 500 is an annular plate with several lower protrusions 510 connected to its side wall; each of the lower protrusions 510 is provided with a lower support seat 511; the bottom plate 400 is provided with a bottom plate docking hole 410 corresponding to the lower support seat 511.

[0029] In at least one embodiment, such as Figure 2 As shown, there are four lower protrusions 510, which are evenly connected to the side wall of the lower perforated plate 500; each lower protrusion 510 is provided with a lower mounting seat 511, so that the base plate 400 connects with the lower mounting seat 511 through the base plate docking hole 410, and is mounted on the lower perforated plate 500. Figure 1 The side of the lower fan housing 600 is left open. After the side of the lower fan housing 600 is left open, an air bag can be installed on the side of the lower fan housing 600.

[0030] By installing air bags on the sides of both the upper fan housing 300 and the lower fan housing 600, an air duct can be formed. Air can be drawn from the seat surface by energizing the upper fan 700 to blow air down to the lower fan 800 while the lower fan 800 is de-energized. The air bags on the side of the upper fan housing 300 act as the intake section, drawing air from the seat surface, while the air bags on the side of the lower fan housing 600 act as the exhaust section. Air can also be blown onto the seat surface by de-energizing the upper fan 700 and energizing the lower fan 800 to blow air up to the upper fan 700. The air bags on the side of the lower fan housing 600 act as the intake section, while the air bags on the side of the upper fan housing 300 act as the exhaust section.

[0031] With the use of dual fans, the upper fan 700 and the lower fan 800, the overall shape of this dual-fan breathing fan can be selected according to needs.

[0032] In at least one embodiment, the upper perforated plate 200 and the lower perforated plate 500 can be directly connected. When direct connection is selected, each upper protrusion 210 has an upper connection hole 212; each lower protrusion 510 has a lower connection hole 512, and the lower connection holes 512 correspond to the upper connection holes 212, so that when the upper perforated plate 200 and the lower perforated plate 500 are connected, each lower connection hole 512 is aligned with the corresponding upper connection hole 212. After each lower connection hole 512 is aligned with the corresponding upper connection hole 212, they can be connected by, for example, adhesive nails.

[0033] In at least one embodiment, the upper perforated plate 200 and the lower perforated plate 500 can be indirectly rigidly connected. When choosing an indirect rigid connection, such as... Figure 3 and Figure 4 As shown, the dual-fan breathing fan may further include: a perforated plate 910, on which four perforated plate docking posts 911 are connected; combined with Figure 2 Each of the upper protrusions 210 has an upper mating hole 212; each of the lower protrusions 510 has a lower mating hole 512; the middle hole plate mating post 911 has a through hole so that when the middle hole plate 910 is sandwiched between the upper hole plate 200 and the lower hole plate 500, each lower mating hole 512 is aligned with the corresponding upper mating hole 212 through the through hole on the middle hole plate mating post 911. After each lower mating hole 512 is aligned with the corresponding upper mating hole 212 through the through hole on the middle hole plate mating post 911, it can be connected by, for example, a glue nail.

[0034] In at least one embodiment, the upper perforated plate 200 and the lower perforated plate 500 can be indirectly softly connected. When choosing an indirect soft connection, such as... Figure 1 and Figure 5As shown, the dual-fan breathing fan may further include: a connecting hose 920, with an upper hose mating portion 921 connected to its upper end face and a lower hose mating portion 922 connected to its lower end face; each of the upper protrusions 210 has an upper mating hole 212; combined with Figure 2 Each of the lower protrusions 510 has a lower docking hole 512; the upper docking portion 921 of the flexible hose has an upper flexible hose docking hole 923 corresponding to the upper docking hole 212; and the lower docking portion 922 of the flexible hose has a lower flexible hose docking hole 924 corresponding to the lower docking hole 512. After the upper flexible hose docking hole 923 is aligned with the upper docking hole 212 and the lower flexible hose docking hole 924 is aligned with the lower docking hole 512, they can be connected by, for example, adhesive nails.

[0035] In summary, this dual-fan breathing fan, by mounting the top plate 100 on the upper perforated plate 200 and the bottom plate 400 on the lower perforated plate 500, and connecting the upper and lower perforated plates 200 and 500, forms an upper fan housing 300 and a lower fan housing 600, which are interconnected. An upper fan 700 can be installed in the upper fan housing 300, and a lower fan 800 can be installed in the lower fan housing 600. In applications requiring flexible switching between blowing air onto and drawing air from the seat surface, one fan can be powered on while the other is de-powered to complete the switching. Furthermore, by employing both upper and lower fans (700 and 800), the overall shape of this dual-fan breathing fan can be selected according to specific needs.

[0036] In the embodiments provided in this application, it should be understood that the disclosed systems and devices can be implemented in other ways. The embodiments described above are merely illustrative. For example, the division of the mechanism is only a logical functional division, and there may be other division methods in actual implementation. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed.

[0037] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A dual-fan breathing fan, characterized by, The utility model relates to a double-fan breathing fan, comprising: a top plate (100) arranged on an upper hole plate (200) to form an upper fan accommodating cavity (300); a bottom plate (400) arranged on a lower hole plate (500) to form a lower fan accommodating cavity (600); the upper hole plate (200) and the lower hole plate (500) are connected to communicate the upper fan accommodating cavity (300) and the lower fan accommodating cavity (600); an upper fan (700) arranged in the upper fan accommodating cavity (300); a lower fan (800) arranged in the lower fan accommodating cavity (600); the upper hole plate (200) is an annular plate, and a plurality of upper protrusions (210) are connected to the side wall of the upper hole plate (200); the lower hole plate (500) is an annular plate, and a plurality of lower protrusions (510) are connected to the side wall of the lower hole plate (500).

2. The double-fan breathing fan according to claim 1, wherein: each of the upper protrusions (210) is provided with an upper mounting seat (211); the top plate (100) is provided with a top plate butt joint hole (110) corresponding to the upper mounting seat (211).

3. The double-fan breathing fan according to claim 2, wherein: the upper protrusions (210) are four and are uniformly connected to the side wall of the upper hole plate (200); each of the upper protrusions (210) is provided with an upper mounting seat (211), so that the top plate (100) is butted to the upper mounting seat (211) through the top plate butt joint hole (110), and when the top plate (100) is arranged on the upper hole plate (200), the side of the upper fan accommodating cavity (300) is empty.

4. The double-fan breathing fan according to claim 1, wherein: each of the lower protrusions (510) is provided with a lower mounting seat (511); the bottom plate (400) is provided with a bottom plate butt joint hole (410) corresponding to the lower mounting seat (511).

5. The double-fan breathing fan according to claim 4, wherein: the lower protrusions (510) are four and are uniformly connected to the side wall of the lower hole plate (500); each of the lower protrusions (510) is provided with a lower mounting seat (511), so that the bottom plate (400) is butted to the lower mounting seat (511) through the bottom plate butt joint hole (410), and when the bottom plate (400) is arranged on the lower hole plate (500), the side of the lower fan accommodating cavity (600) is empty.

6. The double-fan breathing fan according to claim 5, wherein: each of the upper protrusions (210) is provided with an upper butt joint hole (212); each of the lower protrusions (510) is provided with a lower butt joint hole (512), and the lower butt joint hole (512) corresponds to the upper butt joint hole (212), so that when the upper hole plate (200) and the lower hole plate (500) are butted, each lower butt joint hole (512) is aligned with the corresponding upper butt joint hole (212).

7. The dual-fan breathing fan of claim 5, wherein, Further comprising: a middle hole plate (910) provided with four middle hole plate butt joint columns (911) on the side wall of the middle hole plate (910); each of the upper protrusions (210) is provided with an upper butt joint hole (212); each of the lower protrusions (510) is provided with a lower butt joint hole (512). The middle hole plate butt joint column (911) is provided with a through hole, so that each lower butt joint hole (512) is aligned with the corresponding upper butt joint hole (212) through the through hole on the middle hole plate butt joint column (911) when the middle hole plate (910) is clamped between the upper hole plate (200) and the lower hole plate (500).

8. The dual-fan breathing fan of claim 5, wherein, Also comprising: A connecting hose (920) is provided with a hose upper butt joint part (921) at the upper end surface and a hose lower butt joint part (922) at the lower end surface; The upper convex part (210) is provided with an upper butt joint hole (212); The lower convex part (510) is provided with a lower butt joint hole (512); The hose upper butt joint part (921) is provided with a hose upper butt joint hole (923) corresponding to the upper butt joint hole (212); and The hose lower butt joint part (922) is provided with a hose lower butt joint hole (924) corresponding to the lower butt joint hole (512).

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