Ventilation device for a house

CN224415300UActive Publication Date: 2026-06-26HUBEI YANGAN ENGINEERING CONSTRUCTION CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI YANGAN ENGINEERING CONSTRUCTION CO LTD
Filing Date
2025-06-27
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing building ventilation equipment, filter plates are easily clogged by impurities in the airflow, affecting ventilation efficiency.

Method used

A ventilation mechanism with a rotary drive motor, synchronous shaft, rotating frame, spring and brush was designed. The brush removes impurities from the surface of the filter screen to maintain permeability.

Benefits of technology

It effectively cleans impurities from the filter surface, maintains the long-term permeability of ventilation equipment, and optimizes ventilation performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224415300U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of ventilation equipment, especially a ventilation equipment for house building, which is provided with a ventilation mechanism capable of filtering external impurities, realizes the removal of external impurities of the filter screen, maintains long-term permeability, and optimizes the ventilation effect, comprising a ventilation frame, a mounting piece, a motor connecting frame, a rotary drive motor, a synchronous shaft, a rotary frame, springs, a brush holder, brushes and a filter screen, the rear part of the outer side of the ventilation frame is provided with the mounting piece, the rear part of the inner side of the ventilation frame is connected with the outer side of the rotary drive motor through the motor connecting frame, the output end of the rotary drive motor is connected with the rear side of the synchronous shaft, the front end of the synchronous shaft is connected with the rear middle part of the rotary frame, the rear end of the rotary frame is respectively connected with the front side of the brush holder through multiple groups of springs at the positions on both sides of the synchronous shaft, and each group of brush holders is respectively connected with a group of brushes at the rear side, the front side in the ventilation frame is provided with the filter screen, and the brushes are movably contacted on the front side of the filter screen.
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Description

Technical Field

[0001] This utility model relates to the technical field of ventilation equipment, specifically a ventilation device for building construction. Background Technology

[0002] In building construction, ventilation, also known as air exchange, is the process of mechanically or naturally introducing sufficient fresh air into an indoor space while simultaneously expelling polluted air that does not meet hygiene requirements, so that the indoor air meets hygiene requirements and the needs of the production process. All facilities in a building that perform ventilation work are collectively referred to as ventilation equipment.

[0003] Chinese patent discloses a ventilation device for building construction, publication number CN216845003U. The paper states that "the dust removal device includes a fixed bracket located at the connection end between the ventilation duct and the ventilation equipment box. A second motor is installed on the fixed bracket, and a screw is connected to the drive end of the second motor. A movable bracket is threaded onto the screw, and a dust removal ring is installed on the movable bracket. The dust removal ring is in contact with the inner wall of the ventilation duct." In existing ventilation equipment, when filtering airflow, impurities attached to the airflow will adhere to the filter plate. If the filter plate is not cleaned in time, dust and debris can easily clog the filter plate, thereby affecting the ventilation effect of the ventilation equipment. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a ventilation device for building construction that incorporates a ventilation mechanism capable of filtering external impurities, thereby removing impurities from the outside of the filter screen, maintaining long-term permeability, and optimizing ventilation performance.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a ventilation device for building construction, comprising a ventilation frame, a mounting plate, a motor connecting frame, a rotary drive motor, a synchronous shaft, a rotating frame, springs, a brush holder, brushes, and a filter screen. The mounting plate is provided on the rear outer side of the ventilation frame. The rear inner side of the ventilation frame is connected to the outer side of the rotary drive motor via the motor connecting frame. The output end of the rotary drive motor is connected to the rear side of the synchronous shaft. The front end of the synchronous shaft is connected to the middle rear side of the rotating frame. The rear end of the rotating frame is located on both sides of the synchronous shaft and is connected to the front side of the brush holder via multiple sets of springs. Each set of brush holders has a set of brushes connected to its rear side. A filter screen is provided on the front inner side of the ventilation frame, and the brushes make movable contact with the front side of the filter screen.

[0008] Preferably, it also includes a fan, a vent pipe, and a blower head. The blower head is fixed to the rear side of the motor connecting frame, with the output side of the blower head facing forward. The output end of the fan is connected to the input side of the blower head via the vent pipe.

[0009] Preferably, it also includes a movable constraint frame, a movable shaft, a cover plate connecting frame, and a cover plate. The bottom front middle side of the ventilation frame is connected to the top side of the movable constraint frame, the front inner side of the movable constraint frame is movably connected to the outer side of the movable shaft, the left and right ends of the movable shaft are connected to the inner sides of the cover plate connecting frame, the outer end of the cover plate connecting frame is connected to the rear upper middle side of the cover plate, and a fixing mechanism is provided between the ventilation frame and the cover plate.

[0010] Preferably, the fixing mechanism includes a through plate, a bolt, and a screw groove bracket. The front side of the top of the ventilation frame is connected to the bottom side of the screw groove bracket, the upper front part of the cover plate is connected to the inner end of the through plate, and a bolt is movably arranged inside the through plate.

[0011] Preferably, it also includes a sealing ring gasket, wherein the inner ring side of the cover plate is connected to the inner side of the sealing ring gasket.

[0012] Preferably, it also includes a handle, wherein the lower middle side of the outer front end of the cover plate is connected to the inner side of the handle.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a ventilation device for building construction, which has the following beneficial effects:

[0015] The ventilation frame is fixed to the corresponding part of the building structure by mounting plates, with the front of the ventilation frame facing outwards to form inward ventilation. It can filter external impurities through the filter screen. When cleaning is required, the rotating drive motor runs under the connection of the motor connecting frame, causing the synchronous shaft to drive the rotating frame to rotate synchronously. With the connection of multiple sets of springs, it can act on the brush frame to keep the brush in contact with the front of the filter screen. When the rotating frame drives the brush to move through the multiple sets of brush frame connecting springs, it can sweep away impurities on the front of the filter screen, maintaining long-term permeability. It is equipped with a ventilation mechanism that can filter external impurities, realize the removal of impurities on the outside of the filter screen, maintain long-term permeability, and optimize the ventilation effect. Attached Figure Description

[0016] Figure 1 This is an axial view illustrating the structure of this utility model.

[0017] Figure 2 This utility model Figure 1 The right view;

[0018] Figure 3 This utility model Figure 1 Rear view;

[0019] Figure 4 This utility model Figure 1 The bottom view.

[0020] The following are labels in the attached diagram: 1. Ventilation frame; 2. Mounting plate; 3. Motor connection frame; 4. Rotary drive motor; 5. Synchronous shaft; 6. Rotating frame; 7. Spring; 8. Brush holder; 9. Brush; 10. Filter screen; 11. Fan; 12. Vent pipe; 13. Air blower head; 14. Movable constraint frame; 15. Movable shaft; 16. Cover plate connection frame; 17. Cover plate; 18. Through plate; 19. Bolt; 20. Threaded groove frame; 21. Sealing ring gasket; 22. Handle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0022] Please see Figure 1-4 A ventilation device for building construction includes a ventilation frame 1, a mounting plate 2, a motor connecting bracket 3, a rotary drive motor 4, a synchronous shaft 5, a rotating frame 6, springs 7, brush holders 8, brushes 9, and a filter screen 10. The mounting plate 2 is located on the rear outer side of the ventilation frame 1. The rear inner side of the ventilation frame 1 is connected to the outer side of the rotary drive motor 4 via the motor connecting bracket 3. The output end of the rotary drive motor 4 is connected to the rear side of the synchronous shaft 5. The front end of the synchronous shaft 5 is connected to the middle rear side of the rotating frame 6. The rear end of the rotating frame 6, located on both sides of the synchronous shaft 5, is connected to the front side of the brush holder 8 via multiple sets of springs 7. Each set of brush holders 8 has a set of brushes 9 connected to its rear side. A filter screen 10 is installed on the front side inside the ventilation frame 1, and a brush 9 is in contact with the front side of the filter screen 10. The ventilation frame 1 is fixed to the corresponding part of the building by the mounting plate 2, and the front side of the ventilation frame 1 faces outward, forming inward ventilation. External impurities can be filtered by the filter screen 10. When cleaning is required, the rotary drive motor 4 runs under the connection of the motor connecting frame 3, so that the synchronous shaft 5 drives the rotating frame 6 to rotate synchronously. Under the connection of multiple sets of springs 7, it can act on the brush frame 8 so that the brush 9 always pushes and contacts the front side of the filter screen 10. When the rotating frame 6 drives the brush 9 to move through the multiple sets of brush frames 8 and the connecting springs 7, it can sweep away impurities on the front side of the filter screen 10 and maintain long-term permeability.

[0023] It also includes a fan 11, a vent pipe 12, and a blower head 13. The blower head 13 is fixed to the rear side of the motor connecting frame 3, and the output side of the blower head 13 faces forward. The output end of the fan 11 is connected to the input side of the blower head 13 through the vent pipe 12. When removing impurities from the front surface of the filter screen 10, the fan 11 can be run, and air can be delivered to the blower head 13 through the vent pipe 12 to blow away the impurities, thereby improving convenience.

[0024] It also includes a movable restraint frame 14, a movable shaft 15, a cover plate connecting frame 16, and a cover plate 17. The bottom front middle side of the ventilation frame 1 is connected to the top side of the movable restraint frame 14. The front inner side of the movable restraint frame 14 is movably connected to the outer side of the movable shaft 15. The left and right ends of the movable shaft 15 are connected to the inner sides of the cover plate connecting frame 16. The outer end of the cover plate connecting frame 16 is connected to the rear upper middle side of the cover plate 17. A fixing mechanism is provided between the ventilation frame 1 and the cover plate 17. Under the connection of the movable restraint frame 14, the movable shaft 15 can move within the movable restraint frame 14. The cover plate 17 is connected to the cover plate connecting frame 16 and rotated accordingly. When the cover plate 17 is open, ventilation can be carried out inside and outside through the ventilation frame 1. When the cover plate 17 is closed, it is fixed by the fixing mechanism, which can realize wind protection and external protection.

[0025] The fixing mechanism includes a through plate 18, a bolt 19, and a screw groove bracket 20. The front side of the top of the ventilation frame 1 is connected to the bottom side of the screw groove bracket 20, and the upper front part of the cover plate 17 is connected to the inner end of the through plate 18. The bolt 19 is movably installed inside the through plate 18. When the cover plate 17 is closed, the through plate 18 can be aligned with the screw groove bracket 20, and the bolt 19 can be threaded through the through plate 18 and screwed into the screw groove bracket 20 to close and fix the cover plate 17, thereby improving stability.

[0026] It also includes a sealing ring gasket 21, with the inner ring side of the cover plate 17 connected to the inner side of the sealing ring gasket 21; when the cover plate 17 is closed and fixed, the sealing ring gasket 21 can contact the front side of the ventilation frame 1 to achieve a seal and optimize the closing effect.

[0027] It also includes a handle 22, with the lower middle side of the outer front end of the cover plate 17 connected to the inner side of the handle 22; by holding the handle 22, the cover plate 17 can be opened and closed in an active manner, improving convenience.

[0028] In summary, when a ventilation device for building construction is in use, the ventilation frame 1 is fixed to the corresponding part of the building construction via the mounting plate 2, with the front of the ventilation frame 1 facing outwards to form inward ventilation. Under the connection of the movable constraint frame 14, the handle 22 can move within the movable constraint frame 14 via the movable shaft 15. The cover plate 17 is connected via the cover plate connecting frame 16 and rotates accordingly. When the cover plate 17 is open, ventilation can be achieved through the ventilation frame 1. When the cover plate 17 is closed, the through plate 18 aligns with the screw groove frame 20, allowing the bolt 19 to pass through the through plate 18 and be screwed into the screw groove frame 20 to close and fix the cover plate 17. The sealing ring gasket 21 contacts the front of the ventilation frame 1, achieving [the desired ventilation]. The system is sealed and optimized for closure, providing wind protection and external protection. It also filters external impurities through the filter screen 10. When cleaning is required, the motor 4 drives the rotating drive motor 4 through the motor connecting frame 3, causing the synchronous shaft 5 to drive the rotating frame 6 to rotate synchronously. With the connection of multiple sets of springs 7, the brush frame 8 is able to act on the brush 9 to keep it in contact with the front of the filter screen 10. When the rotating frame 6 drives the brush 9 through the multiple sets of brush frames 8 and the connecting springs 7, it can sweep away impurities on the front of the filter screen 10. When sweeping away impurities on the front surface of the filter screen 10, the fan 11 can be run, and air can be delivered through the vent pipe 12 to the blower head 13 for output, thereby blowing away impurities and maintaining long-term permeability.

[0029] This rotary drive motor 4 is a commercially available device known to those skilled in the art. We are simply using it here without making any structural or functional improvements, and we will not go into detail about it here.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for building construction, characterized in that, The device includes a ventilation frame (1), a mounting plate (2), a motor connecting frame (3), a rotary drive motor (4), a synchronous shaft (5), a rotating frame (6), a spring (7), a brush holder (8), a brush (9), and a filter screen (10). The ventilation frame (1) has a mounting plate (2) on its outer rear side. The ventilation frame (1) is connected to the outer side of the rotary drive motor (4) via the motor connecting frame (3). The output end of the rotary drive motor (4) is connected to the rear side of the synchronous shaft (5). The front end of the synchronous shaft (5) is connected to the middle of the rear side of the rotating frame (6). The rear end of the rotating frame (6) is located on both sides of the synchronous shaft (5) and is connected to the front side of the brush holder (8) via multiple sets of springs (7). Each set of brush holders (8) has a set of brushes (9) connected to its rear side. The ventilation frame (1) has a filter screen (10) on its inner front side. The brushes (9) are in contact with the front side of the filter screen (10).

2. A ventilation device for building construction according to claim 1, characterized in that: It also includes a fan (11), a ventilation pipe (12) and a blower head (13). The blower head (13) is fixed to the rear side of the motor connecting frame (3), and the output side of the blower head (13) faces forward. The output end of the fan (11) is connected to the input side of the blower head (13) through the ventilation pipe (12).

3. A ventilation device for building construction according to claim 1, characterized in that: It also includes a movable constraint frame (14), a movable shaft (15), a cover plate connecting frame (16), and a cover plate (17). The bottom front middle side of the ventilation frame (1) is connected to the top side of the movable constraint frame (14). The front inner side of the movable constraint frame (14) is movably connected to the outer side of the movable shaft (15). The left and right ends of the movable shaft (15) are connected to the inner sides of the cover plate connecting frame (16). The outer end of the cover plate connecting frame (16) is connected to the rear upper middle side of the cover plate (17). A fixing mechanism is provided between the ventilation frame (1) and the cover plate (17).

4. A ventilation device for building construction according to claim 3, characterized in that: The fixing mechanism includes a through plate (18), a bolt (19) and a screw groove bracket (20). The front side of the top of the ventilation frame (1) is connected to the bottom side of the screw groove bracket (20), and the upper part of the front side of the cover plate (17) is connected to the inner end of the through plate (18). The bolt (19) is movably installed inside the through plate (18).

5. A ventilation device for building construction according to claim 3, characterized in that: It also includes a sealing ring gasket (21), the inner ring side of the cover plate (17) is connected to the inner side of the sealing ring gasket (21).

6. A ventilation device for building construction according to claim 3, characterized in that: It also includes a handle (22), the lower side of the outer front end of the cover plate (17) being connected to the inner side of the handle (22).