Hood of roof fan
A hood and fan technology, applied in ventilation systems, mechanical equipment, machines/engines, etc., can solve the problems of increasing maintenance costs, hidden safety hazards, inconvenient maintenance and other problems, and achieve the effects of reducing maintenance costs, safe use and simple structure.
Active Publication Date: 2010-02-24
ZHEJIANG SHANGFENG SPECIAL BLOWER IND CO LTD
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- Abstract
- Description
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AI Technical Summary
Problems solved by technology
When this type of fan is overhauled, generally the hood can only be removed by using huge hoisting equipment, which, on the one hand, brings inconvenience to overhaul and maintenance; maintenance cost
Method used
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Embodiment Construction
[0016] Such as figure 1 , figure 2 As shown, the hood of the roof fan of the present invention can adopt shapes such as a spherical surface and a flat top with four sides expanding. The hood of the roof fan of the present invention comprises a half cap body one 1 and a half cap body two 2 . When the hood is not opened, the junction of the first half cap body 1 and the second half cap body 2 is provided with a waterproof structure. Of course, overlapping at the junction can also be a waterproof structure. Here we will focus on introducing the preferred waterproof structure used in this embodiment: one end of the half-cap body 1 is connected to an end of the half-cap body 2 2 so that the end of the half-cap body 1 near the half-cap body 2 has an upward Bending to form a fixed buckle head 5, the end of the half cap body two close to the half cap body one has an upward buckle groove 5, the buckle head 5 matches the buckle groove 6, and the buckle head 5 is in the buckle groove ...
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The invention discloses a hood of a roof fan, which comprises a semi-hood body 1 and a semi-hood body 2 which are respectively provided with an open power assisting device, one end of the semi-hood body 1 is connected with one end of the semi-hood body 2, and the semi-hood body 1 and the semi-hood body 2 are respectively and rotatably connected with a fan frame; the open power assisting device comprises a pneumatic spring lever, a power assisting support and a supporting block, wherein, the power assisting support is vertically fixed on the inner wall of the semi-hood bodies, the top surface of the supporting block is provided with a groove facing downwards, the lower part of the power assisting support is arranged in the groove of the supporting block, one end of the supporting block is rotatably fixed with the power assisting support, the other end of the supporting block is rotatably fixed with the top end of the pneumatic spring lever, and the bottom end of the pneumatic spring lever is rotatably connected onto the fan frame. The hood of the roof fan has the advantages of reasonable design, simple structure, safe use and convenience, and also lowers the overhaul cost of the fan.
Description
technical field [0001] The invention relates to a fan component, in particular to a wind cap of a roof fan. It belongs to the technical field of fluid machinery attachments. Background technique [0002] The roof fan is installed on the roof of the house and is used to exhaust air to the outside. In order to prevent rainwater and foreign objects from falling, a wind cap is set. At present, the structure of the roof fan is various. Usually, the wind cap of the roof fan is connected to the fan bracket through bolts or screws. When the fan needs to be repaired and maintained, the wind cap must be removed first, and then the removed wind cap should be placed next to the fan or on the ground. With the development of the construction industry, some large-scale roof fans are often encountered, and the size and weight of this type of roof fan are correspondingly large. For example, the horizontal length and width of a roof fan recently produced by our company are nearly 4 meters,...
Claims
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Inventor 丁伟平王超俊汪新国吴克键张磊汤建芳
Owner ZHEJIANG SHANGFENG SPECIAL BLOWER IND CO LTD