CN202689128U - Backward flowing prevention floor drain device - Google Patents

Abstract

The utility model discloses a backward flowing prevention floor drain device, which comprises a cylindrical sewer pipe, and is characterized in that a circular disc-shaped sealing disc for sealing the sewer pipe is arranged in an inner cavity of the sewer pipe, a circle center part of the sealing disc is provided with a penetrating water discharge hole, the lower part of the water discharge hole is provided with a floating ball cover for covering the water discharge hole, and a floating ball is movably arranged in the floating ball cover. The backward flowing prevention floor drain device utilizes a simple floating ball sealing and plugging device for manufacturing a one-way valve, so the overflowing and backward flowing phenomena of a floor drain are effectively avoided. The backward flowing prevention floor drain device has the advantages that the structure is simple, the effect is good, the cost is low, and the like.

Description

Anti-backflow floor drain device

technical field

The utility model relates to an anti-backflow floor drain device, in particular to an anti-backflow floor drain device used in pharmaceutical factories.

Background technique

Pharmaceutical factories have very high hygiene requirements, so the drain pipe is usually installed with an ordinary floor drain, and then an elbow is set for water sealing, and then connected to the main drain pipe. The floor drain is usually directly connected to the drain pipe of the water purification equipment. If the instantaneous displacement of a certain water purification equipment is too large, it is easy to cause the adjacent floor drain to overflow, and it will pour into the water purification equipment connected to it, resulting in pollution accidents. How to prevent the occurrence of this accident, while ensuring long-term normal use, saving costs as much as possible is an urgent problem to be solved at present.

Contents of the invention

The utility model provides a solution to the above problems, and provides an anti-backflow floor drain device with simple structure, good effect and low cost.

The technical scheme of the utility model is to provide an anti-backflow floor drain device, which includes a cylindrical downpipe, and is characterized in that: a disk-shaped sealing plate is arranged in the inner cavity of the downpipe to close the downpipe, and the A penetrating drainage hole is provided at the center of the closed disc, and a floating ball cover covering the drainage hole is provided at the lower part of the drainage hole, and a floating ball is movably arranged in the floating ball cover.

Preferably, the floating ball cover includes several rod-shaped cover rods perpendicular to the closed disk, and the free ends of all the cover rods are connected together.

Preferably, the floating ball is covered with a layer of rubber to enhance the sealing between the floating ball and the drainage hole. Of course, it is not limited to rubber, and other common soft materials for sealing can be used.

The anti-backflow floor drain device of the utility model utilizes a simple floating ball sealing device to manufacture a one-way valve, thereby limitedly avoiding the overflow and backflow of the floor drain. The anti-backflow floor drain device of the utility model has the advantages of simple structure, good effect, low cost and the like.

Description of drawings

Fig. 1 is the structural representation of the anti-backflow floor drain device of the present utility model;

Fig. 2 is a top view of the closure disc of Fig. 1 .

Detailed ways

The specific implementation manner of the present utility model is described in further detail below.

As shown in Fig. 1 and Fig. 2, an anti-backflow floor drain device of the present invention includes a cylindrical downpipe 10, and the downpipe 10 is usually made of stainless steel. The inner cavity of the downpipe 10 is provided with a disc-shaped closing plate 12 that closes the downpipe 10 . The closing pan 12 is usually made of stainless steel and is horizontally fixed in the downpipe 10 by welding. A penetrating circular drain hole 14 is provided at the center of the circle of the closing disc 12 , and a ball float cover 16 covering the drain hole 14 is provided at the bottom of the drain hole 14 , and a float ball 18 is arranged in the ball float cover 16 . Float cover 16 is to be by the cover bar 20 of the stainless steel wire of 3-4 vertically welded on the closed disc 12, and the free ends of all cover bars 20 are connected together. Certainly, the ball float cover 16 can also be a mesh shape made of stainless steel wires, which can cover the ball float 18 . The floating ball 18 can be a hollow steel ball covered with a layer of rubber (not shown) to enhance the sealing between the floating ball 18 and the drain hole 14, of course it is not limited to rubber, other common used for Sealed soft materials are all ok.

After the anti-backflow floor drain device of the utility model is installed, during normal drainage, the floating ball 18 is located at the bottom of the floating ball cover 16, and sewage is discharged from around the floating ball 18. Once backwatering occurs, the water level below the floating ball 18 rises, and the floating ball 18 rises under the action of buoyancy, thereby blocking the drain hole 14; the greater the buoyancy, the tighter the floating ball 18 is blocked. In this way, one-way blocking can be realized, thereby effectively avoiding pollution accidents caused by backflow.

The above embodiment is only one implementation mode of the present utility model, and its description is relatively specific and detailed, but it should not be construed as limiting the patent scope of the present utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims. the

Claims (3)

1. The anti-backflow floor drain device, which includes a cylindrical downpipe, is characterized in that: a disc-shaped closing plate for closing the downpipe is provided in the inner cavity of the downpipe, and a penetrating hole is provided at the center of the closing plate. A drain hole, the lower part of the drain hole is provided with a float cover covering the drain hole, and a float ball is movably arranged in the float cover. 2. The anti-backflow floor drain device according to claim 1, characterized in that: the floating ball cover includes several rod-shaped cover rods perpendicular to the closed disk, and the free ends of all the cover rods are connected together. 3. The anti-backflow floor drain device according to claim 1, characterized in that: the floating ball is covered with a layer of rubber.

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