Air bag for dredging sewer
A sewer and airbag technology, applied in water supply installations, indoor sanitary piping installations, buildings, etc., can solve the problems of complicated manufacture and use, unacceptable to users, etc., and achieve low cost, reduced storage and transportation space, and strong versatility. Effect
Inactive Publication Date: 2010-06-16
马士伦 +1
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Problems solved by technology
The manufacture and use of this utility model are relatively complicated, especially its fixing method, which is not easy for users to accept.
Method used
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[0027] Such as Figure 1 ~ Figure 3 As shown, it is a preferred embodiment 1 of the sewer dredging air bag of the present invention, including a handle connecting part 1, a reinforcing rib 2, a spherical part 3, an S connecting part 4, a shoulder 5, and a neck 7, wherein the spherical part 3, The S connecting portion 4, the shoulder 5, and the neck 7 constitute the main body of the airbag. The shoulder 5 is annular, and the neck 7 starts from the inner circle of the shoulder 5, and its diameter changes from large to small. Several sealing rings 6 are designed on the outside of the shoulder 5 and the neck 7 . From figure 1 It can be seen that the wall thickness of each part of the airbag changes, and the initial parts of the handle connection part 1, shoulder 5 and neck 7 are relatively thick, and the cross-sectional curves are designed in the transition from the spherical part 3 to the shoulder 5. The S-connecting portion 4 with changing arcs or broken lines enhances the eff...
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The invention relates to an air bag for dredging a sewer, which is made of rubber or soft plastics. The air bag has a thin wall opening structure, comprises a ball-missing part, a shoulder part and a neck part, and is characterized in that: the transition of the ball-missing part and the shoulder part is an S connecting part with arc line or polygonal line changes; the shoulder part is annular; and the outer sides of initial parts of the shoulder part and the neck part are designed with a plurality of sealing ring structures. The design increases the volume of the air bag so that the air bag can obtain a greater air compression ratio in use, can be suitable for sewer openings with various specifications in kitchens and bathrooms, and can completely avoid the phenomenon that the conventional rubber striker can roll over outwards and backwards. The neck part designed for the air bag for dredging the sewer cannot roll over outwards but can be rolled over inwards artificially to form a second using state and a storage state, wherein the second using state can be used for dredging various floor drains with planar surfaces.
Description
technical field [0001] The invention relates to a daily necessities, in particular to a sewer dredging air bag for dredging blockages such as stool pans and floor drains. Background technique [0002] In daily life, a common confusion is that the sewer in the kitchen or bathroom is blocked by sundries. It is known that a commercially available dredging tool called a rubber bucket or a dredger can be used to dredge. Pressure, the principle is to use the rubber to generate air pressure to act on the blockage, so that it can be washed away. The known rubber bowl is like an upside-down bowl. One problem with this structure is that it is easily turned over. When the operator is exerting force, the bowl-shaped rubber bowl suddenly turns into an upside-down buckle. The air pressure in the tank sprayed the sewage debris in the sewer towards the operator, which was very embarrassing and frustrating. In addition, due to the small volume of the rubber bowl, it is impossible to genera...
Claims
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IPC IPC(8): E03C1/304
Inventor 马士伦涂成生
Owner 马士伦