Rolling shutter flexible flap door
A rolling shutter type and flexible technology, applied in the valve details, control valve, functional valve type and other directions, can solve the problems of adjusting the size of the flow passage, failure of impact force, unfavorable removal of impurities, etc., to reduce the impact force of closed doors, Small opening force and small moment of inertia
Active Publication Date: 2017-02-15
WUHAN SHENGYU DRAINING SYST
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Problems solved by technology
[0002] The existing flap door panels are generally made of metal materials and the door panel and the door body are connected by shafts. Such flap doors are often caused by the excessive weight of the door panel itself and the wear and rust of the shaft connection, resulting in the opening force and closing force of the equipment. At the same time, there are disadvantages such as water damage and excessive impact force, and only one door panel is sealed at the runner opening of the flap door, so the size of the runner opening cannot be adjusted according to the actual situation, which is not conducive to removing impurities
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.
[0020] Such as figure 1 , figure 2 As shown, the present invention includes a door body 1 with a flow channel, a cylindrical pipe body 2 is fixed on the outer wall of the door body 1, and the longitudinal center section of the pipe body 2 is a trapezoidal structure with a short top end and a long bottom end. The outer end surface of the pipe body 2 forms an inclined flow channel opening, and the flow channel opening is provided with a plurality of flexible rubber plates 3 parallel to each other from top to bottom for sealing, combined with figure 2 As shown, in this embodiment, the runner opening is provided with two flexible rubber plates 3 parallel to each other from top to bottom for sealing, and several stainless steel rein...
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The invention relates to a roller shutter type flexible flap valve, and belongs to the technical field of water supply and drainage equipment. The roller shutter type flexible flap valve comprises a valve body with a flow channel. A cylindrical pipe is fixed to the outer wall of the valve body. The center section in the longitudinal direction of the pipe is of a trapezoidal structure with the top end shorter than the bottom end. An inclined flow channel opening is formed in the outer end surface of the pipe and provided with a plurality of parallel flexible rubber plates from top to bottom for sealing. The roller shutter type flexible flap valve is easier to maintain, the opening is small, a valve plate can be opened more easily, and impurities can be removed more easily.
Description
technical field [0001] The invention belongs to the technical field of water supply and drainage equipment, and in particular relates to a rolling shutter type flexible flap door. Background technique [0002] The existing flap door panels are generally made of metal materials and the door panel and the door body are connected by shafts. Such flap doors are often caused by the excessive weight of the door panel itself and the wear and rust of the shaft connection, resulting in the opening force and closing force of the equipment. At the same time, there are disadvantages such as water damage and excessive impact force, and only one door panel seals the runner opening of the flap door. The size of the runner opening cannot be adjusted according to the actual situation, which is not conducive to removing impurities. Contents of the invention [0003] The object of the present invention is to provide a rolling shutter type flexible flap aiming at the defects of the prior art....
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IPC IPC(8): F16K15/00
CPCF16K15/14F16K27/0209
Inventor 周超
Owner WUHAN SHENGYU DRAINING SYST