CN216716471U

CN216716471U - Ventilation assembly of building roof

Info

Publication number: CN216716471U
Application number: CN202122943443.2U
Authority: CN
Inventors: 胡玉婷; 夏志刚
Original assignee: Shaoxing Shangyu Dingxin Ventilation Equipment Co ltd
Current assignee: Shaoxing Shangyu Dingxin Ventilation Equipment Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-10
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a ventilation assembly of a building roof, and belongs to the field of house ventilation equipment. A ventilation assembly for a building roof comprises a hood main body, a bottom fixing ring, a fixing seat, a top side fixing ring and a rotating shaft; the top end of the blast cap main body is fixedly connected with the top side fixing disc, the bottom end of the blast cap main body is fixedly connected with the bottom fixing ring, the bottom fixing ring is rotatably connected with the fixing seat, the top end of the rotating shaft is fixedly connected with the top side fixing disc, and the bottom end of the rotating shaft is rotatably connected with the fixing seat; the fixing base bottom is the air-out end, and fixing base bottom and stiff end fixed connection, the fixing base top are the air inlet end, and the fixing base top slides and is equipped with electronic expansion bend, and the air inlet end is sealed when electronic expansion bend slides. This scheme has set up the sensor in circulation of air department, and the sensor can detect the air, when detecting the air quality not good, can seal the circulation chamber of air fast, can stretch out both sides extension board simultaneously.

Description

Ventilation assembly of building roof

Technical Field

The utility model belongs to the field related to house ventilation equipment, and particularly relates to a ventilation assembly for a building roof.

Background

The existing building roof ventilation assembly generally uses a hood, which is an assembly which is reasonably arranged on the top of a roof according to the natural air law and the airflow flowing principle, can rapidly discharge indoor hot air and foul gas and improve the indoor environment.

Some existing hoods do not generally have the function of filtering or detecting air, and sometimes air with low quality is transmitted and circulated, so that indoor air environment can be influenced, an adverse effect is achieved, and meanwhile, the hood is difficult to operate automatically when external air is not circulated, and therefore normal ventilation use requirements are difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a ventilation assembly of a building roof, which is characterized in that a sensor is arranged at an air circulation position, the sensor can detect air, when the poor air quality is detected, a circulation cavity of the air can be quickly sealed, extension plates on two sides can extend out, and a rotating shaft is clamped through clamping surfaces on two sides, so that the rotation of a hood main body is stopped, and the air entering is reduced.

The utility model relates to a ventilation assembly of a building roof, which comprises a hood main body, a bottom fixing ring, a fixing seat, a top side fixing disc and a rotating shaft, wherein the hood main body is provided with a top side fixing disc and a bottom fixing disc;

the top end of the blast cap main body is fixedly connected with the top side fixing disc, the bottom end of the blast cap main body is fixedly connected with the bottom fixing ring, the bottom fixing ring is rotatably connected with the fixing seat, the top end of the rotating shaft is fixedly connected with the top side fixing disc, and the bottom end of the rotating shaft is rotatably connected with the fixing seat;

the fixing base bottom is the air-out end, and fixing base bottom and stiff end fixed connection, the fixing base top are the air inlet end, and the fixing base top slides and is equipped with electronic expansion bend, and the air inlet end is sealed when electronic expansion bend slides.

As a further improvement of the utility model, a circulating cavity which is communicated up and down is arranged in the fixed seat, the air inlet end of the fixed seat is the top end of the circulating cavity, the air outlet end of the fixed seat is the bottom end of the circulating cavity, and a smoke sensor is fixedly arranged on the inner wall of the circulating cavity and used for detecting smoke flowing through the circulating cavity.

As a further improvement of the utility model, a fixed mount is fixedly arranged at the side end of the fixed seat, the fixed mount is positioned at the top end of the fixed seat, and the fixed mount is provided with a left side and a right side.

As a further improvement of the utility model, the two side fixing frames are respectively positioned at the left side and the right side of the rotating shaft, the electric retractors are respectively arranged at the left side and the right side, the two side electric retractors are respectively and fixedly connected with the two side fixing frames, the electric retractors are electrically connected with the smoke sensor, and the electric retractors are started to extend when the smoke sensor detects smoke.

As a further improvement of the utility model, the electric retractors on both sides are internally provided with extension plates in a sliding manner, the end surfaces of the extension plates close to one side of the rotating shaft are provided with clamping surfaces, the clamping surfaces are arc surfaces, and the clamping surfaces are attached to the outer circular surface of the rotating shaft.

As a further improvement of the utility model, a main motor is fixedly arranged in the fixed seat, an output shaft of the main motor is fixedly connected with the rotating shaft, a supporting plate is fixedly arranged on the outer circular surface of the rotating shaft, and the supporting plate is fixedly connected with the blast cap main body.

Compared with the prior art, the utility model has the advantages that: this scheme has set up the sensor in circulation of air department, and the sensor can detect the air, when detecting the air quality not good, can seal the circulation chamber of air fast, can stretch out both sides extension board simultaneously to press from both sides tight face through the both sides and press from both sides the axis of rotation tightly, thereby stop the rotation of hood main part, and then reduce the entering of air.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is an enlarged view of B of FIG. 2;

fig. 4 is a schematic structural view of a part of the present invention.

The reference numbers in the figures illustrate:

11. a hood main body; 12. a bottom retainer ring; 13. a fixed seat; 14. a top side fixing disc; 15. a rotating shaft; 16. a support plate; 17. a main motor; 18. a flow-through chamber; 19. a smoke sensor; 20. a fixed mount; 21. an electric expansion piece; 22. an extension plate; 23. a clamping surface.

Detailed Description

The first embodiment is as follows: referring to fig. 1 to 4, the ventilation assembly for a building roof includes a hood body 11, a bottom fixing ring 12, a fixing base 13, a top fixing ring 14, and a rotating shaft 15;

the top end of the blast cap main body 11 is fixedly connected with the top side fixed disc 14, the bottom end of the blast cap main body 11 is fixedly connected with the bottom fixed ring 12, the bottom fixed ring 12 is rotatably connected with the fixed seat 13, the top end of the rotating shaft 15 is fixedly connected with the top side fixed disc 14, and the bottom end of the rotating shaft 15 is rotatably connected with the fixed seat 13;

the bottom end of the fixing seat 13 is an air outlet end, the bottom end of the fixing seat 13 is fixedly connected with the fixing end, the top end of the fixing seat 13 is an air inlet end, the top end of the fixing seat 13 is slidably provided with an electric telescopic device 21, and the air inlet end is sealed when the electric telescopic device 21 slides.

Be equipped with circulation chamber 18 that link up from top to bottom in the fixing base 13, the air inlet end of fixing base 13 is the top of circulation chamber 18, and the air-out end of fixing base 13 is the bottom of circulation chamber 18, and the fixed smoke transducer 19 that is equipped with of circulation chamber 18 inner wall, smoke transducer 19 are used for detecting the smog that flows through in circulation chamber 18, and smoke transducer 19 can be changed into humidity transducer or temperature sensor according to service environment. The side of fixing base 13 is fixed with mount 20, and mount 20 is located the fixing base 13 top, and mount 20 is equipped with the left and right sides, and mount 20 is "L" shape.

The both sides mount 20 is located the left and right sides of axis of rotation 15 respectively, and electric telescopic device 21 is equipped with the left and right sides, and both sides electric telescopic device 21 respectively with both sides mount 20 fixed connection, electric telescopic device 21 and smoke transducer 19 electric connection, start electric telescopic device 21 extension when smoke transducer 19 detects smog. Extension plates 22 are slidably arranged in the electric retractors 21 on the two sides, a clamping surface 23 is arranged on the end surface of one side, close to the rotating shaft 15, of each extension plate 22, each clamping surface 23 is an arc surface, and the clamping surfaces 23 are attached to the outer circular surface of the rotating shaft 15.

The fixed seat 13 is internally and fixedly provided with a main motor 17, an output shaft of the main motor 17 is fixedly connected with the rotating shaft 15, the outer circular surface of the rotating shaft 15 is fixedly provided with a supporting plate 16, and the supporting plate 16 is fixedly connected with the blast cap main body 11.

When the wind cap is used specifically, the wind cap main body 11 is blown by external wind power, the wind cap main body 11 drives the bottom fixing ring 12 to rotate on the fixing seat 13 after being blown, meanwhile, the rotating shaft 15 is driven to rotate through the connection between the top side fixing disc 14 and the supporting plate 16, meanwhile, air flow enters the inner side of the wind cap main body 11 and passes through the circulating cavity 18 to circulate downwards, at the moment, the smoke sensor 19 detects air circulating from the circulating cavity 18, when the smoke sensor 19 detects that the air contains more gases such as smoke and the like, the electric expansion device 21 is started to extend, so that the top end of the circulating cavity 18 is sealed by moving to the top end of the circulating cavity 18, meanwhile, the clamping surfaces 23 at two sides move to one side of the rotating shaft 15, so as to clamp and fix the rotating shaft 15, the top side fixing disc 14 and the supporting plate 16 are fixed after the rotating shaft 15 is clamped and fixed, the wind cap main body 11 cannot rotate continuously, and the air containing smoke outside slows down to enter the wind cap main body 11, after a certain time, the electric expansion piece 21 automatically drives the extension plate 22 to contract, so that the circulation cavity 18 is communicated again, and the smoke sensor 19 detects the smoke amount in the air again.

When there is no wind from the outside, the main motor 17 can be automatically started to rotate the rotation shaft 15, thereby rotating the hood main body 11 through the connection of the top-side fixed disk 14 and the support plate 16, and thus sucking the outside air into the hood main body 11.

Claims

1. A ventilation assembly for a building roof, comprising: comprises a blast cap main body (11), a bottom fixing ring (12), a fixing seat (13), a top side fixing disc (14) and a rotating shaft (15);

the top end of the blast cap main body (11) is fixedly connected with the top side fixing disc (14), the bottom end of the blast cap main body (11) is fixedly connected with the bottom fixing ring (12), the bottom fixing ring (12) is rotatably connected with the fixing seat (13), the top end of the rotating shaft (15) is fixedly connected with the top side fixing disc (14), and the bottom end of the rotating shaft (15) is rotatably connected with the fixing seat (13);

the bottom end of the fixing seat (13) is an air outlet end, the bottom end of the fixing seat (13) is fixedly connected with the fixing end, the top end of the fixing seat (13) is an air inlet end, the top end of the fixing seat (13) is slidably provided with an electric telescopic device (21), and the air inlet end is sealed when the electric telescopic device (21) slides.

2. A ventilation assembly for a building roof according to claim 1, wherein: a circulation cavity (18) which is communicated up and down is arranged in the fixed seat (13), the air inlet end of the fixed seat (13) is the top end of the circulation cavity (18), the air outlet end of the fixed seat (13) is the bottom end of the circulation cavity (18), and a smoke sensor (19) is fixedly arranged on the inner wall of the circulation cavity (18).

3. A ventilation assembly for a building roof according to claim 1, wherein: a fixing frame (20) is fixedly arranged at the side end of the fixing seat (13), the fixing frame (20) is located at the top end of the fixing seat (13), and the fixing frame (20) is provided with a left side and a right side.

4. A ventilation assembly for a building roof according to claim 3, wherein: the two side fixing frames (20) are respectively positioned at the left side and the right side of the rotating shaft (15), the electric retractors (21) are arranged at the left side and the right side, the two side electric retractors (21) are respectively and fixedly connected with the two side fixing frames (20), and the electric retractors (21) are electrically connected with the smoke sensor (19).

5. A ventilation assembly for a building roof according to claim 1, wherein: the electric retractors (21) on the two sides are internally provided with extension plates (22) in a sliding manner, one side end faces, close to the rotating shaft (15), of the extension plates (22) are provided with clamping faces (23), the clamping faces (23) are arc faces, and the clamping faces (23) are attached to the outer circular face of the rotating shaft (15).

6. A ventilation assembly for a building roof according to claim 1, wherein: a main motor (17) is fixedly arranged in the fixed seat (13), an output shaft of the main motor (17) is fixedly connected with the rotating shaft (15), a supporting plate (16) is fixedly arranged on the outer circular surface of the rotating shaft (15), and the supporting plate (16) is fixedly connected with the blast cap main body (11).