Building roof ventilation structure

Abstract

The utility model relates to a ventilation structure, in particular to a building roof ventilation structure which comprises a base. A fan main body is supported and fixedly mounted in an inner cavity of the base through a fan bracket, and the exhaust effect on the interior of a building is achieved by starting the fan main body; the ventilation structure further comprises an air duct, and the air duct is fixedly installed on the top of the base. A filter part is arranged on the air duct and comprises a dustproof filter screen, the dustproof filter screen is mounted on a filter screen mounting plate, and the filter screen mounting plate is fixedly mounted in the air duct; the ventilation structure further comprises a protective cover, and the protective cover is erected above the opening of the air duct through a supporting assembly. According to the ventilation structure, the dustproof filter screen of the filtering part is used for preventing dust, and impurities and dust are prevented from entering a room; and through the arrangement of the protective cover, the rainproof effect on the opening of the air duct can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building house ventilation, in particular to a building roof ventilation structure. Background Art

[0002] A roof fan is a device installed on the roof to perform forced ventilation in the building. By adding roof fans, the indoor air quality of the building can be effectively improved and a comfortable production and living environment can be provided.

[0003] The current ventilation structure is usually a circular wind tube and a hood on the top of the wind tube. A motor is fixed in the circular wind tube, and an impeller is installed on the output shaft of the motor. The impeller is driven by the motor to exhaust the air inside the building. When the motor drives the impeller to exhaust air, since the ventilation structure is set on the roof, when the outdoor wind is strong, rainwater, impurities, dust, etc. from the outside will enter the room through the wind tube, which will not only affect the indoor environment, but also cause erosion to the internal parts of the ventilation structure, thereby reducing the service life of the ventilation structure. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a building roof ventilation structure, aiming to solve the technical problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model provides the following technical solutions.

[0006] A building roof ventilation structure, the ventilation structure comprising a base;

[0007] The inner cavity of the base is supported and fixedly mounted with a fan body by a fan bracket, and the exhaust effect inside the building is achieved by starting the fan body;

[0008] The ventilation structure also includes a wind tube, which is fixedly installed on the top of the base;

[0009] The air duct is provided with a filter part, the filter part includes a dust filter, the dust filter is mounted on a filter mounting plate, and the filter mounting plate is fixedly mounted in the air duct;

[0010] The ventilation structure also includes a protective cover, which is erected above the opening of the air duct through a supporting component.

[0011] Furthermore, a bottom plate is provided on the base, and the bottom plate facilitates the installation of the ventilation structure at an exhaust location on the roof of a building.

[0012] Furthermore, the diameter of the wind tube is the same as the diameter of the base, so that the base and the wind tube are connected, and when the fan body is started, air flow is generated between the base and the wind tube.

[0013] Furthermore, the protective cover is provided with a plurality of vents at equal intervals and distributed circumferentially, and the open portion of the wind tube is provided with a plurality of vent baffles at equal intervals and distributed circumferentially, and each of the vent baffles corresponds to a corresponding vent one by one, so that the vent baffle can block the airflow of the corresponding vent to prevent rainwater from outside from falling onto the wind tube through the vent.

[0014] Furthermore, a column is fixedly arranged on the outer wall of the base; a first support plate is fixedly arranged at the opening of the base; a second support plate is fixedly arranged at the opening of the air duct; the support assembly includes a support screw rod, which passes through the second support plate, and the bottom of the support screw rod slides into the column.

[0015] Furthermore, the top end of the support screw is fixedly connected to the protective cover, and an adjusting threaded sleeve is sleeved on the support screw by a threaded connection. The adjusting threaded sleeve is fixedly connected to the second support plate. By rotating the adjusting threaded sleeve, the height position of the support screw can be adjusted, thereby pushing the protective cover up or down. Therefore, the support assembly provided by the utility model can adjust the height of the protective cover.

[0016] Compared with the prior art, the ventilation structure provided by the utility model has the following technical advantages:

[0017] First, use the dust filter in the filter part to prevent dust and prevent impurities and dust from entering the room;

[0018] Secondly, the protective cover can protect the open air duct from rain; the vents opened on the protective cover can ensure ventilation, and the vent baffles corresponding to the vents can prevent rain from falling into the air duct through the vents. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of a building roof ventilation structure of the utility model in a first viewing angle;

[0020] Figure 2 A front view of a building roof ventilation structure provided by the utility model;

[0021] Figure 3 It is a three-dimensional schematic diagram of a building roof ventilation structure of the utility model under a second viewing angle;

[0022] Figure 4 A schematic diagram of the partial structure of the building roof ventilation structure provided by the utility model;

[0023] Figure 5A schematic diagram of the structure of the filter part in the building roof ventilation structure provided by the utility model;

[0024] Figure 6 The utility model is a schematic diagram of the structure of the protective component in the building roof ventilation structure.

[0025] The reference numerals are as follows:

[0026] 100, base; 101, bottom plate; 102, column; 103, fan body; 104, fan bracket; 105, first support plate; 200, air cylinder; 201, second support plate; 202, dust filter; 203, filter mounting plate; 204, air outlet baffle; 300, protective cover; 301, air vent; 302, support screw; 303, adjusting threaded sleeve. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] like Figure 1 As shown, in one embodiment provided by the utility model, a building roof ventilation structure includes a base 100, and a bottom plate 101 is arranged on the base 100. The bottom plate 101 is arranged to facilitate the installation of the ventilation structure at the exhaust place on the building roof.

[0030] like Figure 1 , Figure 2 and Figure 4 As shown, in the embodiment of the utility model, the inner cavity of the base 100 is supported and fixedly installed with a fan body 103 through a fan bracket 104, and the exhaust effect inside the building is achieved by starting the fan body 103.

[0031] Please continue reading Figure 1-Figure 3 In an embodiment of the utility model, the ventilation structure also includes a wind tube 200, which is fixedly mounted on the top of the base 100. The diameter of the wind tube 200 is the same as the diameter of the base 100, so that the base 100 and the wind tube 200 are connected. When the fan body 103 is started, air flow is generated between the base 100 and the wind tube 200.

[0032] Further, such as Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, in an embodiment of the utility model, a filter unit is provided on the air duct 200, and the filter unit includes a dust filter 202. The dust filter 202 is mounted on a filter mounting plate 203, and the filter mounting plate 203 is fixedly mounted in the air duct 200, so that the dust filter 202 can be used to filter the airflow passing through the air duct 200. At the same time, the dust filter 202 is provided to achieve a dustproof effect, thereby preventing external impurities, dust, etc. from entering the room through the air duct 200 and the base 100.

[0033] Please continue reading Figure 1 , Figure 4 and Figure 6 In order to achieve a rainproof effect, in an embodiment of the utility model, the ventilation structure further includes a protective cover 300, and the protective cover 300 is erected above the opening of the wind tube 200 through a supporting assembly.

[0034] Further, such as Figure 1 , Figure 2 and Figure 5 As shown, in an embodiment of the utility model, a plurality of vents 301 are circumferentially distributed and evenly spaced on the protective cover 300, and a plurality of vent baffles 204 are circumferentially evenly spaced at the open portion of the wind tube 200, and each vent baffle 204 corresponds to a corresponding vent 301 one by one, so that the vent baffle 204 can block the airflow of the corresponding vent 301 to prevent rainwater from outside from falling onto the wind tube 200 through the vent 301.

[0035] As a preference, Figure 1 , Figure 2 , Figure 4 and Figure 6 In the embodiment of the utility model, a column 102 is fixedly provided on the outer wall of the base 100; a first support plate 105 is fixedly provided at the opening of the base 100; a second support plate 201 is fixedly provided at the opening of the wind tube 200; the support assembly includes a support screw rod 302, the support screw rod 302 is arranged through the second support plate 201, and the bottom of the support screw rod 302 slides into the column 102.

[0036] Furthermore, in an embodiment of the utility model, the top end of the support screw rod 302 is fixedly connected to the protective cover 300, and an adjusting threaded sleeve 303 is sleeved on the support screw rod 302 by a threaded connection. The adjusting threaded sleeve 303 is fixedly connected to the second support plate 201. By rotating the adjusting threaded sleeve 303, the height position of the support screw rod 302 can be adjusted, thereby pushing the protective cover 300 up or down. Therefore, the support assembly provided by the utility model can adjust the height of the protective cover 300.

[0037] It can be understood that the ventilation structure provided by the utility model, on the one hand, utilizes the dustproof filter 202 of the filtering part to prevent dust and prevent impurities and dust from entering the room; on the other hand, through the provision of the protective cover 300, it can play a role in protecting the open air duct 200 from rain; through the vents 301 opened on the protective cover 300, the ventilation effect can be guaranteed, and the air vent baffle 204 corresponding to the vents 301 can prevent rainwater from falling into the air duct 200 through the vents 301; in addition, the utility model can adjust the height of the protective cover 300 and the rainproof effect of the protective cover 300 through the provision of the support assembly.

[0038] The above solutions are only an illustration of a preferred example, but are not limited thereto. When implementing the present utility model, appropriate replacement and / or modification can be performed according to user needs.

[0039] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily realized. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described here.

Claims

1. A building roof ventilation structure, the ventilation structure comprising a base (100); Features: The inner cavity of the base (100) is supported and fixedly mounted with a fan body (103) via a fan bracket (104); It also includes an air duct (200), the air duct (200) is fixedly mounted on the top of the base (100), a filter portion is provided on the air duct (200), the filter portion includes a dustproof filter (202), the dustproof filter (202) is mounted on a filter mounting plate (203), and the filter mounting plate (203) is fixedly mounted in the air duct (200); It also includes a protective cover (300), which is erected above the opening of the wind tube (200) via a supporting assembly.

2. A building roof ventilation structure according to claim 1, characterized in that: A bottom plate (101) is provided on the base (100).

3. A building roof ventilation structure according to claim 2, characterized in that: The caliber of the air cylinder (200) is the same as the caliber of the base (100).

4. A building roof ventilation structure according to any one of claims 1 to 3, characterized in that: The protective cover (300) is provided with a plurality of vents (301) at equal intervals and distributed circumferentially, and the open portion of the wind tube (200) is provided with a plurality of vent baffles (204) at equal intervals and distributed circumferentially, and each of the vent baffles (204) corresponds one-to-one to a corresponding vent (301).

5. A building roof ventilation structure according to claim 4, characterized in that: A column (102) is fixedly arranged on the outer wall of the base (100); a first support plate (105) is fixedly arranged at the open portion of the base (100); A second support plate (201) is fixedly arranged at the open portion of the wind tube (200); the support assembly comprises a support screw rod (302), and the support screw rod (302) is arranged to penetrate the second support plate (201); The bottom of the support screw rod (302) slides into the column (102).

6. A building roof ventilation structure according to claim 5, characterized in that: The top end of the support screw rod (302) is fixedly connected to the protective cover (300); The support screw rod (302) is sleeved with an adjusting threaded sleeve (303) by means of a threaded connection; The adjusting threaded sleeve (303) is fixedly connected to the second supporting plate (201).

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