CN212962153U - Sealing baffle mechanism and fan - Google Patents

Abstract

The utility model provides a sealing baffle mechanism and fan relates to fan subassembly technical field, has solved some current baffle mechanism structure technical problem complicated relatively, that spare part is more relatively. The sealing baffle plate mechanism comprises a supporting shell, a baffle plate assembly and a driving structure, wherein the baffle plate assembly is arranged on the supporting shell, the driving structure is connected with the baffle plate assembly, when the driving structure drives the baffle plate assembly to rotate to a position for pre-closing an air duct of the supporting shell, the limiting structure on the baffle plate assembly limits the baffle plate assembly so that the baffle plate assembly can move in parallel towards the direction of an air outlet plate of the supporting shell when the driving structure continues to push the baffle plate assembly. The utility model is used for switch the upper and lower air-out of fan and go up the mode of air-out.

Description

Sealing baffle mechanism and fan

Technical Field

The utility model belongs to the technical field of fan subassembly technique and specifically relates to a seal baffle mechanism and install fan of this seal baffle mechanism is related to.

Background

With the development of science and technology and the improvement of living standard, the conventional square cabinet air conditioner with square upper air outlet cannot meet the requirements of users, and the air supply mode of the air conditioner begins to develop towards intellectualization and diversification. In recent years, various household vertical cabinet machines capable of realizing up-down air outlet and left-right air outlet appear on the market, and the air supply mode is rich and variable.

In order to realize the independent up-down air outlet function, a baffle plate mechanism for air inlet and wind shielding of the ventilation channel is required to be arranged in the ventilation channel. Namely, the baffle mechanism is arranged on the fan volute with the upper air outlet and the lower air outlet (the baffle mechanism can be arranged at the lower air outlet), when the baffle mechanism is in a closed state, the lower air outlet is closed, the air outlet of the upper air outlet can be realized, and when the baffle mechanism is in an open state, the air outlet of the upper air outlet and the air outlet of the lower air outlet can be realized. However, some existing baffle mechanisms are complex in structure and have more parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing baffle mechanism and fan provides a baffle structure that the structure is simple relatively. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of sealing baffle mechanism, including supporting shell, baffle subassembly and drive structure, wherein, the baffle subassembly sets up on the supporting shell, drive structure with the baffle subassembly is connected, works as drive structure drives the baffle subassembly rotates to pre-closing during the position in supporting shell wind channel, limit structure on the baffle subassembly is spacing the baffle subassembly so that drive structure continues to promote during the baffle subassembly can court the direction parallel movement of supporting shell air outlet board.

Preferably, two opposite side plates of the supporting shell are provided with moving rails; rolling parts are arranged on two opposite side faces of the baffle assembly, the baffle assembly is located in the supporting shell, the rolling parts on the baffle assembly respectively extend into the moving tracks on the corresponding sides, and the rolling parts roll along the moving tracks under the driving of the driving structure.

Further, the moving track includes a first moving track and a second moving track, the rolling member on each side of the barrier assembly includes a first rolling member and a second rolling member, the first rolling member rolls along the first moving track of the corresponding side, and the second rolling member rolls along the second moving track of the corresponding side.

Further, the first moving track and the second moving track are both strip-shaped tracks, an included angle between the first moving track and the second moving track is an obtuse angle, one end of the first moving track is communicated with the second moving track, an extending portion is arranged at the other end of the first moving track, the extending portion is parallel to the second moving track, the extending portion extends towards one side close to the air outlet plate, one end, close to the air outlet plate, of the second moving track is a closing end, the position, where the first moving track is communicated with the second moving track, is close to the closing end of the second moving track, and when the baffle assembly is in a closed state, the first rolling piece and the second rolling piece are respectively located on the extending portion and the closing end of the corresponding side.

Further, the rolling part comprises a rolling bolt and a shaft sleeve sleeved on the rolling bolt, the rolling bolt is rotatably connected with the baffle plate assembly, and the shaft sleeve is positioned on the movable track.

Preferably, the driving structure includes a moving part, the moving part is rotationally connected with the side of the baffle assembly through a rotational connection structure, the limiting structure is located on one side of the rotational connection structure departing from the outer side surface of the baffle assembly, and in the process that the moving part drives the baffle assembly to rotate towards the position of the pre-closed air channel of the support housing, the limiting structure gradually approaches the moving part until the moving part or the rotational connection structure contacts with the limiting structure to limit the rotation of the baffle assembly.

Furthermore, the driving structure comprises a driving motor and a transmission mechanism, the driving motor is fixed on the supporting shell, the transmission mechanism is a gear and rack transmission mechanism, a gear of the transmission mechanism is connected with an output shaft of the driving motor, a rack of the transmission mechanism is the moving part, and the gear rotates to drive the moving part to move.

Furthermore, a limiting space is formed on the supporting shell, the moving part is located in the limiting space, and the limiting space is used for limiting the moving part to be always meshed with the gear.

Preferably, the baffle assembly comprises a baffle, a rubber ring is arranged on the outer side surface of the baffle, and when the baffle assembly is in a closed state, the rubber ring is used for sealing the air outlet of the support shell.

Further, the inner side surface of the baffle is provided with foam.

A fan is provided with the sealing baffle mechanism.

The utility model provides a sealing baffle mechanism, when a driving structure drives a baffle component to rotate to a position for pre-closing a support shell air duct, a limiting structure on the baffle component limits the baffle component so that the baffle component can move in parallel towards the direction of a support shell air outlet plate when the driving structure continues to push the baffle component, so as to extrude the air outlet plate and realize the sealing closing of an air outlet of the support shell; the drive structure drives the motion mode of baffle subassembly, makes the utility model provides a sealing baffle structure mechanism structure is simple relatively, spare part is few relatively.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a seal stop mechanism provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at C;

fig. 3 is another exploded view of a seal stop mechanism provided in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a sealing baffle mechanism provided by an embodiment of the present invention (the baffle assembly is in a closed state);

fig. 5 is a schematic view of the internal structure of the sealing baffle mechanism according to the embodiment of the present invention (the baffle assembly is in a closed state);

fig. 6 is a schematic structural diagram of a sealing flap mechanism provided in an embodiment of the present invention (flap assembly in an open state);

fig. 7 is a schematic view of the internal structure of the sealing flap mechanism according to the embodiment of the present invention (the flap assembly is in an open state);

fig. 8 is a schematic cross-sectional view of a sealing flap mechanism provided by an embodiment of the present invention (flap assembly in an open state);

FIG. 9 is an enlarged view of a portion of FIG. 8 at A;

fig. 10 is a schematic cross-sectional view of a sealing flapper mechanism provided by an embodiment of the present invention (with the flapper assembly in a position to pre-close the support housing air duct);

fig. 11 is a partial enlarged view at B in fig. 10;

fig. 12 is a schematic cross-sectional view of a sealing flap mechanism provided by an embodiment of the present invention (flap assembly in a closed state);

fig. 13 is a schematic structural diagram of a support box provided in an embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of a support box provided by an embodiment of the present invention;

fig. 15 is a schematic view of the position relationship between the rolling member and the moving rail provided by the embodiment of the present invention (the shutter assembly is in a partially opened state);

fig. 16 is a schematic diagram of the position relationship between the rolling elements and the moving track provided by the embodiment of the present invention (the baffle assembly is in the position of pre-closing the air duct of the support housing);

fig. 17 is a schematic diagram of the position relationship between the rolling member and the moving rail provided by the embodiment of the present invention (the shutter assembly is in a closed state);

fig. 18 is a schematic diagram of a position relationship between the rolling member and the moving rail provided in the embodiment of the present invention (the baffle plate assembly is not provided with a limiting structure).

Figure 100-support housing; 101-an air outlet plate; 102-a first movement track; 103-an extension; 104-a second movement track; 105-a closed end; 106-a spacing space; 107-support box; 108-supporting the box cover; 109-an air outlet; 110-a motor fixing part;

200-a baffle plate assembly; 201-a baffle; 202-rubber ring; 203-foam; 204-a limiting structure; 205-limit inclined plane;

300-a drive structure; 301-a moving part; 302-a drive motor; 303-gear;

400-rolling elements; 401-a first rolling member; 402-a second rolling member; 403-rolling bolts; 404-a shaft sleeve;

500-a rotating connection; 501-a first connection; 502-second connection.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-17, the utility model provides a seal baffle mechanism, including supporting housing 100, baffle subassembly 200 and drive structure 300, wherein, baffle subassembly 200 sets up on supporting housing 100, and drive structure 300 is connected with baffle subassembly 200, and when drive structure 300 drove baffle subassembly 200 and rotates to the position in the pre-closed supporting housing 100 wind channel, limit structure 204 on the baffle subassembly 200 restricted baffle subassembly 200 so that when drive structure 300 continued to promote baffle subassembly 200, baffle subassembly 200 can be towards the direction parallel translation of supporting housing 100 air outlet board 101. The support shell 100 is used for being connected with a fan volute, a ventilation air channel is arranged on the support shell 100, and the driving structure 300 drives the baffle plate assembly 200 to move so as to open/close the ventilation air channel of the support shell 100; when the baffle assembly 200 is turned from the open state to the closed state, the driving assembly 300 drives the baffle assembly 200 to rotate, the angle of the baffle assembly 200 changes relative to the supporting housing 100, when the baffle assembly 200 rotates to the position of pre-closing the air duct of the supporting housing 100 (see fig. 10, 11, and 16, which schematically shows that the baffle assembly 200 is located at the position of pre-closing the air duct of the supporting housing 100), at this time, the limit structure 204 contacts with the driving structure 300 (or the limit structure 204 contacts with the driving structure 300 and the rotating connection structure 500 of the baffle assembly 200), when the driving structure 300 continues to push the baffle assembly 200, due to the thrust, the baffle assembly 200 moves in parallel towards the direction of the air outlet plate 101 of the supporting housing 100, so as to extrude the air outlet plate 101, and thus, the air outlet 109 of the supporting housing 100 is sealed and closed. The driving structure 300 drives the movement of the baffle assembly 200, so that the sealing baffle structure provided by the utility model has relatively simple structure and relatively few parts.

As an optional implementation manner of the embodiment of the present invention, referring to fig. 1-2, two opposite side plates of the supporting housing 100 are provided with moving rails; the two opposite side surfaces of the barrier assembly 200 are provided with rolling members 400, the barrier assembly 200 is located in the support housing 100, the rolling members 400 on the barrier assembly 200 respectively extend into the moving tracks on the corresponding side, the rolling members 400 roll along the moving tracks under the driving of the driving structure 300, and the barrier assembly 200 is supported on the support housing 100 through the rolling members 400.

As an optional implementation manner of the embodiment of the present invention, the moving track includes the first moving track 102 and the second moving track 104, the rolling member 400 on each side of the baffle assembly 200 includes the first rolling member 401 and the second rolling member 402, the first rolling member 401 rolls along the first moving track 102 of the corresponding side, and the second rolling member 402 rolls along the second moving track 104 of the corresponding side. The specific structure of the moving track is as follows: referring to fig. 1, the first moving rail 102 and the second moving rail 104 are both strip rails and an included angle between the two is an obtuse angle, one end of the first moving rail 102 is communicated with the second moving rail 104, the other end of the first moving rail is provided with an extending portion 103, the extending portion 103 is parallel to the second moving rail 104, the extending portion 103 extends to a side close to the air outlet plate 101, one end of the second moving rail 104 close to the air outlet plate 101 is a closing end 105, a position where the first moving rail 102 is communicated with the second moving rail 104 is close to the closing end 105 of the second moving rail 104, and when the damper assembly 200 is in a closed state, the first rolling member 401 and the second rolling member 402 are respectively located on the extending portion 103 and the closing end 105 on the corresponding sides. The first roller 401 moves on the first moving rail 102, and the second roller 402 moves on the second moving rail 104, and referring to fig. 8 and 9, positions of the first roller 401 and the second roller 402 are illustrated in an open state (fully open state) of the barrier assembly 200; referring to fig. 15, the positions of the first and second rollers 401 and 402 are illustrated in the partially opened state of the flapper assembly 200; referring to fig. 16, the positions of the first and second rollers 401 and 402 are illustrated when the shutter assembly 200 is in the pre-close support housing 100 duct; referring to fig. 17, the first roller 401 is illustrated in the extension 103 on the first moving rail 102 and the second roller 402 is illustrated in the position of the closed end 105 of the second moving rail 104. That is, when the flap assembly 200 moves from the open position to the position for closing the air outlet 109, the second rolling member 402 moves from the end of the second moving rail 104 away from the air outlet plate 101 to the closed end 105, and the first rolling member 401 moves from the position where the first moving rail 102 communicates with the second moving rail 104 to the extension 103.

As an optional implementation manner of the embodiment of the present invention, the rolling member 400 includes a rolling pin 403 and a shaft sleeve 404 sleeved on the rolling pin 403, the rolling pin 403 is rotatably connected to the baffle assembly 200, and the shaft sleeve 404 is located on the moving track. When the rolling member 400 moves along the moving track, the rolling member 400 rotates with respect to the barrier assembly 200 to avoid a seizure condition.

As an optional implementation manner of the embodiment of the present invention, the driving structure 300 includes a moving part 301, the moving part 301 is rotatably connected to the side of the baffle assembly 200 through a rotating connection structure 500, the limiting structure 204 is located on one side of the rotating connection structure 500 departing from the outer side surface of the baffle assembly 200, see fig. 1, the rotating connection structure 500 and the limiting structure 204 are located on the lower side surface of the baffle assembly 200, in the process that the moving part 301 drives the baffle assembly 200 to rotate towards the wind channel position of the pre-closing supporting housing 100, the limiting inclined plane 205 of the limiting structure 204 is gradually close to the moving part 301 until the moving part 301 or the rotating connection structure 500 contacts with the limiting inclined plane 205 of the limiting structure 204 to limit the rotation of the baffle assembly 200. Referring to fig. 1 and 2, the positional relationship of the rotational connection structure 500 and the limiting structure 204 is illustrated. The rotating connection structure 500 comprises a first connection portion 501 arranged on the baffle plate assembly 200 and a second connection portion 502 arranged on the top of the moving part 301, wherein the second connection portion 502 is positioned between the two first connection portions 501 and penetrates through the two first connection portions 501 to realize the rotating connection of the baffle plate assembly 200 and the moving part 301.

For the limiting structure 204, it can be a limiting plate, see fig. 8 and fig. 9, which schematically shows the positional relationship between the rotating connecting structure 500 and the limiting structure 204 when the baffle assembly 200 is in the open state, and when the moving member 301 moves upward, the baffle assembly 200 moves upward while rotating until it rotates to the position of pre-closing the air duct of the supporting housing 100, see fig. 10 and fig. 11, at this time, the limiting inclined surface 205 on the limiting structure 204 will contact with the rotating connecting structure 500 (and at this time, the first rolling member 401 will also contact with the supporting housing 100), and the limiting baffle assembly 200 will continue to rotate, if the moving member 301 continues to move upward, the baffle assembly 200 will move horizontally upward under the pushing force until it is press-fitted with the air outlet plate 101 (the second rolling member 402 moves to the closed end 105 of the second moving rail 104, and the first rolling member 401 moves to the extending portion 103 of the first moving rail 102), a sealed closure of the outlet opening 109 is achieved. Referring to fig. 18, if the barrier assembly 200 does not have the position-limiting mechanism 24, when the moving member 301 pushes the barrier assembly 200 to move to the position shown in fig. 16, if the moving member 301 continues to push the barrier assembly 200, as in the case of fig. 18, the second rolling member 402 moves to the closed end 105 of the second moving rail 104, and the first rolling member 401 does not move to the extending portion 103 of the first moving rail 102, so that the air outlet 109 of the support housing 100 is not sealed and closed. Here, it is noted that, due to the machining size of the rolling member 400 and the moving rail, if the limiting mechanism 24 is not provided, the situation as shown in fig. 18 may occur, that is, the damper assembly 200 may not seal the air outlet 109 of the support housing 100 well.

In addition, when the flap assembly 200 is opened, the moving member 301 moves downward to move the flap assembly 200 until the flap assembly 200 is opened to the position shown in fig. 8 and 9.

As an optional implementation manner of the embodiment of the present invention, regarding the specific structure of the driving structure 300, the following may be implemented: the driving structure 300 includes a driving motor 302 and a transmission mechanism, the driving motor 302 is fixed on the supporting housing 100, referring to fig. 1 and fig. 3, the motor fixing portion 110 on the supporting housing 100 is illustrated, the driving motor 302 is fixed in the motor fixing portion 110, the transmission mechanism is a gear-rack transmission mechanism, a gear 303 of the transmission mechanism is connected with an output shaft of the driving motor 302, the driving motor 302 can drive the gear 303 to rotate when being started, a rack of the transmission mechanism is a moving member 301, and the gear 303 rotates to drive the moving member 301 to move up and down. When the rack (moving part 301) moves upward, the barrier assembly 200 is driven to gradually close the air outlet 109, and when the rack (moving part 301) moves downward, the barrier assembly 200 is driven to gradually open the air outlet 109.

As an optional implementation manner of the embodiment of the present invention, a limiting space 106 is formed on the supporting housing 100, the moving component 301 is located in the limiting space 106, the limiting space 106 is used to limit the moving component 301 to be engaged with the gear 303 all the time, referring to fig. 1, under the driving of the driving motor 302, the moving component 301 can move obliquely upward/obliquely downward in the limiting space. The moving direction of the moving member 301 may be the same as the extending direction of the second moving rail 104.

As the embodiment of the present invention can be optionally implemented, the baffle assembly 200 includes a baffle 201, the baffle 201 is provided with a limiting structure 204 thereon, the outer side surface of the baffle 201 is provided with a rubber ring 202, and when the baffle assembly 200 is in the closed state, the rubber ring 202 is elastically deformed, so that the rubber ring 202 can seal the air outlet 109 of the supporting casing 100.

As the embodiment of the utility model provides an optional implementation mode, be provided with foam 203 on the medial surface of baffle 201, the foam is used for keeping warm to solve the problem of baffle subassembly 200 condensation.

A fan is provided with a sealing baffle mechanism, the fan can be provided with an upper air outlet and a lower air outlet, and a support shell 100 is connected with a volute of the fan. When the baffle plate assembly 200 on the sealing baffle plate mechanism is in an opening state, the air can be discharged from the upper part and the lower part; when the baffle plate assembly 200 on the sealing baffle plate mechanism is in a closed state, upward air outlet can be realized.

The utility model provides a concrete in service behavior of seal baffle mechanism as follows:

when the shutter assembly 200 is turned from the open state to the state of closing the air outlet 109, referring to fig. 8 and 9, it is illustrated that the shutter assembly 200 is in the open state, the driving motor 302 is started, the driving motor 302 actuates the gear 303 to rotate, the gear 303 drives the moving member 301 (rack) to move upwards, the second rolling member 402 rolls upwards on the second moving track 104, the first rolling member 401 rolls in the right direction on the first moving track 102 until moving to the position of pre-closing the air duct of the supporting housing 100, referring to fig. 10 and 11, it is illustrated that the shutter assembly 200 is located at the position of pre-closing the air duct of the supporting housing 100, at this time, the limit inclined surface 205 of the limit structure 204 contacts with the rotating connection structure 5, the moving member 301 continues to move upwards, the shutter assembly 200 moves horizontally upwards until the second rolling member 402 moves to the closing end 105 of the second moving track 104, the first rolling member 401 moves to the extension portion 103 of the first moving rail 102, and the sealing of the air outlet 109 is closed.

When the plate assembly 200 is transferred from the closed state to the state of opening the air outlet 109, the gear 303 rotates reversely, and the moving member 301 moves downwards to drive the baffle assembly 200 to move until the baffle assembly 200 is opened to the position shown in fig. 8 and 9.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. A sealing flap mechanism comprising a support housing (100), a flap assembly (200) and a drive structure (300), wherein,

the baffle assembly (200) is arranged on the supporting shell (100), the driving structure (300) is connected with the baffle assembly (200), when the driving structure (300) drives the baffle assembly (200) to rotate to the position for pre-closing the air channel of the supporting shell (100), the limiting structure (204) on the baffle assembly (200) limits the baffle assembly (200) so that the driving structure (300) continuously pushes the baffle assembly (200), and the baffle assembly (200) can move in parallel towards the direction of the air outlet plate (101) of the supporting shell (100).

2. The seal stop mechanism according to claim 1, wherein said support housing (100) is provided with moving tracks on opposite side plates; rolling parts (400) are arranged on two opposite side faces of the baffle assembly (200), the baffle assembly (200) is located in the supporting shell (100), the rolling parts (400) on the baffle assembly (200) respectively extend into the moving tracks on the corresponding sides, and the rolling parts (400) roll along the moving tracks under the driving of the driving structure (300).

3. The seal stop mechanism according to claim 2, wherein the moving track comprises a first moving track (102) and a second moving track (104), the rolling member (400) on each side of the stop assembly (200) comprising a first rolling member (401) and a second rolling member (402), the first rolling member (401) rolling along the first moving track (102) on the corresponding side, the second rolling member (402) rolling along the second moving track (104) on the corresponding side.

4. The mechanism of claim 3, wherein the first moving rail (102) and the second moving rail (104) are both bar rails and the included angle therebetween is obtuse, one end of the first moving rail (102) is connected to the second moving rail (104), the other end of the first moving rail (102) is provided with an extending portion (103), the extending portion (103) is parallel to the second moving rail (104) and the extending portion (103) extends to a side close to the air outlet plate (101), one end of the second moving rail (104) close to the air outlet plate (101) is a closing end (105), the position where the first moving rail (102) is connected to the second moving rail (104) is close to the end (105) of the second moving rail (104), when the shutter assembly (200) is in the closed state, the first roller (401) and the second roller (402) are located on the extension (103) and the closing end (105) of the respective sides, respectively.

5. The seal stop mechanism according to claim 2, wherein said rolling member (400) comprises a rolling pin (403) and a shaft sleeve (404) fitted over said rolling pin (403), said rolling pin (403) being rotatably connected to said stop assembly (200), said shaft sleeve (404) being located on said moving track.

6. The sealing baffle mechanism according to any one of claims 1 to 5, characterized in that the driving structure (300) comprises a moving part (301), the moving part (301) is rotatably connected with the side of the baffle assembly (200) through a rotating connection structure (500), the limiting structure (204) is located on the side of the rotating connection structure (500) away from the outer side of the baffle assembly (200), and in the process that the moving part (301) drives the baffle assembly (200) to rotate to the position for pre-closing the wind channel of the support housing (100), the limiting structure (204) gradually approaches the moving part (301) until the moving part (301) or the rotating connection structure (500) contacts with the limiting structure (204) to limit the rotation of the baffle assembly (200).

7. The seal baffle mechanism according to claim 6, wherein the driving structure (300) comprises a driving motor (302) and a transmission mechanism, the driving motor (302) is fixed on the support housing (100), the transmission mechanism is a gear-rack transmission mechanism, a gear (303) of the transmission mechanism is connected with an output shaft of the driving motor (302), a rack of the transmission mechanism is the moving component (301), and the gear (303) rotates to drive the moving component (301) to move.

8. The seal stop mechanism according to claim 7, wherein a limit space (106) is formed on the support housing (100), the moving member (301) is located in the limit space (106), and the limit space (106) is used for limiting the moving member (301) to be always engaged with the gear (303).

9. The seal flap mechanism according to claim 1, characterized in that the flap assembly (200) comprises a flap (201), a rubber ring (202) being provided on an outer side of the flap (201), the rubber ring (202) being configured to seal the air outlet opening (109) of the support housing (100) when the flap assembly (200) is in the closed state.

10. A sealing flap mechanism according to claim 9, characterized in that the flap (201) is provided with foam (203) on its inner side.

11. A wind turbine, wherein the wind turbine is provided with a sealing flap mechanism as claimed in any one of claims 1 to 10.

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