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CN-224230276-U - Anti-blocking hood

CN224230276UCN 224230276 UCN224230276 UCN 224230276UCN-224230276-U

Abstract

The utility model relates to the technical field of a hood body, in particular to an anti-blocking hood, which comprises an anti-blocking mechanism, wherein the anti-blocking mechanism comprises a rectangular plate, one side of the rectangular plate is provided with a side rod, one side of the rectangular plate is fixedly connected with one end of the side rod, the middle end of the side rod is provided with a connecting piece, the middle end of the side rod is fixedly connected with one end of the connecting piece, one side of the connecting piece is provided with a movable arm, the anti-blocking hood is provided with a fan blade arranged on the outer side of a driving disc, when outdoor natural wind power enters the hood body, external force is caused to the fan blade by the aid of natural wind power, the driving disc starts to rotate, and because the movable arm is in a skew state before the driving disc does not rotate, the movable arm gradually rotates to generate angle change and finally becomes a transverse horizontal state, and meanwhile, the rectangular plate pushes out snow falling on an air inlet, so that the air inlet is prevented from being blocked due to long-time accumulation, and ventilation of the hood is ensured in a snowy weather.

Inventors

  • Zhuo Weiwen

Assignees

  • 盐城黑马科技发展股份有限公司

Dates

Publication Date
20260512
Application Date
20250623

Claims (8)

  1. 1. The anti-blocking hood is characterized by comprising an anti-blocking mechanism (1), wherein one side of the anti-blocking mechanism (1) is provided with a cleaning mechanism (2), the anti-blocking mechanism (1) comprises a rectangular plate (13), one side of the rectangular plate (13) is provided with a side rod (14), one side of the rectangular plate (13) is fixedly connected with one end of the side rod (14), the middle end of the side rod (14) is provided with a connecting piece (15), the middle end of the side rod (14) is fixedly connected with one end of the connecting piece (15), one side of the connecting piece (15) is provided with a movable arm (16), one side of the connecting piece (15) is rotatably connected with one end of the movable arm (16), the other end of the movable arm (16) is provided with a driving disc (17), and the other end of the movable arm (16) is rotatably connected with the inner side of the driving disc (17).
  2. 2. The anti-blocking hood according to claim 1, wherein the cleaning mechanism (2) comprises a scraper (21), a protruding rod (22) is arranged on one side of the scraper (21), one side of the scraper (21) is fixedly connected with one end of the protruding rod (22), the other end of the protruding rod (22) is fixedly connected with one side of the rectangular plate (13), an air inlet (12) is formed in the outer side of the scraper (21), and the outer side of the scraper (21) is in sliding contact with the inner surface of the air inlet (12).
  3. 3. The anti-clogging hood according to claim 2, wherein a rotating rod (110) is arranged at the center of the bottom side of the driving disc (17), the center of the bottom side of the driving disc (17) is fixedly connected with the top end of the rotating rod (110), a hollow disc (112) is arranged at the bottom end of the rotating rod (110), and the bottom end of the rotating rod (110) is rotatably connected with the center of the hollow disc (112).
  4. 4. The anti-clogging hood according to claim 3, wherein a scroll spring (111) is provided on the inner side of the hollow disc (112), the inner side of the hollow disc (112) is fixedly connected with one end of the scroll spring (111), and one end of the center of the scroll spring (111) is fixedly connected with the outer side of the bottom end of the rotating rod (110).
  5. 5. The anti-clogging hood according to claim 4, wherein a taper pipe (19) is arranged at the top end of the hollow disc (112), the top end of the hollow disc (112) is rotatably connected with the bottom end of the taper pipe (19), and the top end of the taper pipe (19) is fixedly connected with the bottom side of the driving disc (17).
  6. 6. The anti-blocking hood according to claim 5, wherein the outer side of the driving disk (17) is provided with fan blades (18), and the outer side of the driving disk (17) is fixedly connected with one end of each fan blade (18).
  7. 7. The anti-clogging hood according to claim 6, wherein the side surface of the hollow disk (112) is fixedly connected with the inner side of the hood body (11).
  8. 8. The anti-blocking hood according to claim 7, wherein one side of the hood body (11) is fixedly connected with one end of the air inlet (12).

Description

Anti-blocking hood Technical Field The utility model relates to the technical field of hood bodies, in particular to an anti-blocking hood. Background The hood is a ventilating device arranged at the top layer of a building or at the tail end of a ventilating pipeline, is generally in a hood-shaped or special streamline structure, and has the main effects of guiding outdoor airflow into a room or exhausting indoor air by utilizing natural wind power, is widely applied to places such as steel-structure buildings, houses, workshops and the like, can realize high-efficiency ventilation in different forms and meets different environmental requirements. In the prior art, a hood is required to be installed on the top layer in a part of steel-structure building, and the hood can introduce outdoor air flow into a room to realize ventilation by using natural wind power, improve indoor air quality, adjust indoor air flow organization, assist heat exchange, save energy, balance air pressure inside and outside the building and the like, so that the indoor air circulation is ensured to be smooth, and the use comfort is improved. However, when facing heavy snow weather, the snow may be scraped by natural wind force, so that the snow falls on the port of the air inlet, and in the case of slow accumulation and lack of self-cleaning, the snow may be cleaned by blockage, thereby reducing ventilation efficiency and even completely blocking air flow, and affecting the normal function of the hood. Disclosure of utility model The application aims to solve the technical problem that the air inlet is prevented from being blocked in snowy weather by installing the self-cleaning component in the hood. In order to solve the technical problems, the embodiment of the application provides an anti-blocking hood, which comprises an anti-blocking mechanism, wherein one side of the anti-blocking mechanism is provided with a cleaning mechanism, the anti-blocking mechanism comprises a rectangular plate, one side of the rectangular plate is provided with a side rod, one side of the rectangular plate is fixedly connected with one end of the side rod, the middle end of the side rod is provided with a connecting piece, the middle end of the side rod is fixedly connected with one end of the connecting piece, one side of the connecting piece is provided with a movable arm, one side of the connecting piece is rotatably connected with one end of the movable arm, the other end of the movable arm is provided with a driving disc, and the other end of the movable arm is rotatably connected with the inner side of the driving disc. In some embodiments, the cleaning mechanism comprises a scraper, a convex rod is arranged on one side of the scraper, one side of the scraper is fixedly connected with one end of the convex rod, the other end of the convex rod is fixedly connected with one side of the rectangular plate, an air inlet is arranged on the outer side of the scraper, and the outer side of the scraper is in sliding contact with the inner surface of the air inlet. In some embodiments, a rotating rod is arranged at the center of the bottom side of the driving disc, the center of the bottom side of the driving disc is fixedly connected with the top end of the rotating rod, a hollow disc is arranged at the bottom end of the rotating rod, and the bottom end of the rotating rod is rotationally connected with the center of the hollow disc. In some embodiments, the inner side of the hollow disc is provided with a scroll spring, the inner side of the hollow disc is fixedly connected with one end of the scroll spring, and one end of the center of the scroll spring is fixedly connected with the outer side of the bottom end of the rotating rod. In some embodiments, the top end of the hollow disc is provided with a taper pipe, the top end of the hollow disc is rotationally connected with the bottom end of the taper pipe, and the top end of the taper pipe is fixedly connected with the bottom side of the driving disc. In some embodiments, the outer side of the driving disc is provided with a fan blade, and the outer side of the driving disc is fixedly connected with one end of the fan blade. In some embodiments, the side of the hollow disc is fixedly connected with the inner side of the hood body. In some embodiments, one side of the hood body is fixedly connected with one end of the air inlet. The utility model has at least the following beneficial effects: 1. Through the fan blades arranged on the outer side of the driving disc, when outdoor natural wind power enters the hood body, external force is caused to the fan blades by the aid of the natural wind power, and then the driving disc starts to rotate, as the movable arm is in a skew state before the driving disc does not rotate, the movable arm can change angles along with gradual rotation, and finally the movable arm is in a horizontal state, meanwhile, the rectangular plate pushes out snow falling on the air i