CN213836888U - A water trap pipe fitting for preventing body backflow - Google Patents

Abstract

The utility model discloses a water trap pipe fitting for preventing body backflow. The water trap pipe fitting comprises an upper pipe, a water trap pipe body and a lower pipe, and the upper pipe passes through the water trap pipe body and the lower pipe. A tubular valve seat is arranged on the inner wall of the nozzle of the upper pipeline, a magnetic cover plate is horizontally arranged between the lower end of the valve seat and along the inner wall of the upper pipeline, and a magnetic cover plate is arranged on the inner wall of the upper pipeline under the magnetic force cover plate. A support shaft, the lower end of the support shaft is fixed on the inner side of the upper pipe, the lower wall of the magnetic cover is rotatably connected to the upper end of the support shaft, and an upper magnet is embedded in the lower end of the valve seat on the opposite side of the support shaft , a lower magnet is arranged on the inner side wall of the upper pipe under the same side of the support shaft. The utility model can protect the sanitation of the indoor environment, prevent the harmful gas from the sewer pipe from entering the room and endanger the safety of the human body, and can prevent the backflow of the liquid in the water trap.

Description

Trap pipe fitting for preventing body countercurrent

Technical Field

The utility model belongs to the technical field of drainage pipe, especially, relate to a prevent trap pipe fitting against current.

Background

At present, a trap pipe fitting is widely applied to sewage pipelines, toilets and floor drains, wherein the trap refers to an accessory which is arranged inside a sanitary appliance or on an appliance drainage pipe section and is internally provided with a water seal, and a water column with a certain height in the trap is called as a water seal and is used for preventing gas in the pipeline from entering a room. However, when a general trap is used, the following disadvantages exist: 1. the pipeline is easy to be blocked; 2. when the water seal height in the trap is not up to standard or the air pressure in the isolated pipeline is too high, the phenomenon of gas backflow can occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent trap pipe fitting against current of body, according to the utility model discloses a trap pipe fitting can prevent that sewer pipe harmful gas from getting into indoor harm human safety and can prevent that the interior liquid of trap from flowing against the current. In order to realize the purpose, the utility model discloses a following technological effect:

according to the utility model discloses an aspect provides a prevent trap pipe fitting against current of body, trap pipe fitting includes upper tube way, trap body and lower pipeline, the upper tube way is through trap body and lower pipe connection be provided with the tubulose disk seat on the mouth of pipe inner wall of upper tube way, the lower extreme of disk seat just follows the upper tube way inner wall and horizontally be provided with the magnetic force apron, is provided with the back shaft on the upper tube way inside wall of magnetic force apron below, and the lower extreme of this back shaft is fixed and is kept away at the inboard of upper tube way, the lower wall of magnetic force apron rotates the connection in the upper end of back shaft, and the embedding is provided with the magnet in the lower extreme of the disk seat of back shaft opposite one side, is provided with down the magnet on the back shaft with the upper tube way inside wall of one side below.

Preferably, the lower end surface of the valve seat is adhered with a sealing ring, and the upper surface of the magnetic cover plate is in close contact with the lower end surface of the valve seat through the sealing ring.

Preferably, the included angle between the axial lead of the upper pipeline and the axial lead of the upper section of the trap body and the included angle between the axial lead of the lower section of the trap body and the axial lead of the lower pipeline are 20-40 degrees.

Above-mentioned scheme is preferred, the outer wall of tubulose disk seat is cylindric and the accordant connection is in the inner wall of upper tube way, and the inside pipeline of this tubulose disk seat from top to bottom reduces gradually.

Preferably, the diameter of the inner pipe at the lower end of the tubular valve seat is 50mm-120 mm.

To sum up, the utility model adopts the above technical scheme, the utility model discloses an following technological effect has:

in the elbow pipe fitting of the utility model, when no water enters the trap pipe body, the magnetic cover plate is in a natural state, and under the action of magnetic force, the magnetic cover plate is sucked to the sealing ring and extrudes the sealing ring to form a sealing effect, so that harmful gas in a sewer pipe is prevented from entering the room from the trap pipe body; when water enters the water bending pipe body, the punching force of the water is larger than the sealing magnetic force, the magnetic cover plate leaves the sealing ring, and the water can smoothly flow into the water bending pipe body; after water flows through the sealing ring, the magnetic cover plate is in a natural state again, and under the action of magnetic force, the magnetic cover plate is sucked to the sealing ring to form a sealing effect again, so that the indoor environment can be protected, harmful gas in a sewer pipe is prevented from entering the room to harm human body safety, and liquid in a trap can be prevented from flowing back.

Drawings

FIG. 1 is a schematic view of a trap pipe for preventing body reflux according to the present invention;

fig. 2 is a schematic structural view of the valve seat 3 of the present invention;

an upper pipeline 1, a trap pipe body 2, a valve seat 3, a magnetic cover plate 4, a sealing ring 5, an upper magnet 6, a support shaft 7, a lower magnet 8, a lower pipeline 10,

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in the combined figure 1, according to the utility model, the trap pipe fitting for preventing body countercurrent comprises an upper pipe 1, a trap pipe body 2 and a lower pipe 10, the upper pipe 1 is connected with the lower pipe 10 through the trap pipe body 2, a tubular valve seat 3 is arranged on the inner wall of the pipe orifice of the upper pipe 1, a magnetic cover plate 4 is horizontally arranged at the lower end of the valve seat 3 and along the inner wall of the upper pipe 1, a support shaft 7 is arranged on the inner wall of the upper pipe 1 below the magnetic cover plate 4, the lower end of the support shaft 7 is fixed on the inner side of the upper pipe 1, the lower wall of the magnetic cover plate 4 is rotatably connected at the upper end of the support shaft 7, an upper magnet 6 is embedded in the lower end of the valve seat 3 at the opposite side of the support shaft 7, a lower magnet 8 is arranged on the inner wall of the upper pipe 1 below the support shaft 7, a sealing ring 5 is arranged on the surface of the lower end of the same side of the valve seat 3, the upper surface of the magnetic cover plate 4 is in close contact with the lower end surface of the valve seat 3 through a sealing ring 5; the included angle between the axial lead of the upper pipeline 1 and the axial lead of the upper section of the trap body 2 and the included angle between the axial lead of the lower section of the trap body 2 and the axial lead of the lower pipeline 10 are 20-40 degrees;

in the utility model, the outer wall of the tubular valve seat 3 is cylindrical and is connected with the inner wall of the upper pipeline 1 in a matching way, the inner pipeline of the tubular valve seat 3 is gradually reduced from top to bottom, and the diameter of the inner pipeline at the lower end of the tubular valve seat 3 is 50mm-120 mm; the magnetic cover plate 4 is arranged on the shaft 7, the magnetic cover plate 4 can rotate around the shaft 7 in a certain angle, the valve seat 3 is provided with the sealing ring 5, the size and the position of the sealing ring are matched with those of the magnetic cover plate 4, when no water enters the trap pipe body 2 and the magnetic cover plate 4 is in a natural state, under the action of magnetic force, the magnetic cover plate 4 is attracted to the sealing ring 5 and extrudes the sealing ring 5, so that the magnetic cover plate 4 is in close contact with the lower end of the tubular valve seat 3, and a sealing effect is formed; when water enters the trap pipe body 2 and the punching force of the water is greater than the sealing magnetic force, the magnetic cover plate 4 leaves the sealing ring 5, and the water can smoothly flow into the trap pipe body 2; when water flows through the sealing ring 5, the magnetic cover plate 4 is in a natural state again, and under the action of magnetic force, the magnetic cover plate 4 is sucked to the sealing ring 5 to form a sealing effect again, so that the indoor environmental sanitation can be protected, harmful gas in a sewer pipe is prevented from entering the room to harm the human body safety, and liquid in the trap pipe body 2 can be prevented from flowing back.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A trap pipe fitting for preventing reverse flow of a body, comprising an upper pipe, a trap pipe body, and a lower pipe, characterized in that: the upper pipeline is connected with the lower pipeline through a trap pipe body, a tubular valve seat is arranged on the inner wall of the pipe orifice of the upper pipeline, a magnetic cover plate is horizontally arranged at the lower end of the valve seat and along the inner wall of the upper pipeline, a supporting shaft is arranged on the inner side wall of the upper pipeline below the magnetic cover plate, the lower end of the supporting shaft is fixed on the inner side of the upper pipeline and kept away from the upper end, the lower wall of the magnetic cover plate is connected to the upper end of the supporting shaft in a rotating mode, an upper magnet is arranged in the lower end of the valve seat on one side opposite to the supporting shaft in an embedded mode, and a lower magnet is arranged on the inner side wall of the upper pipeline below the same side of the supporting shaft.

2. The trapway fitting of claim 1, wherein the trapway fitting further comprises: and a sealing ring is adhered to the lower end surface of the valve seat, and the upper surface of the magnetic cover plate is in close contact with the lower end surface of the valve seat through the sealing ring.

3. The trapway fitting of claim 1, wherein the trapway fitting further comprises: the included angle between the axial lead of the upper pipeline and the axial lead of the upper section of the trap body and the included angle between the axial lead of the lower section of the trap body and the axial lead of the lower pipeline are 20-40 degrees.

4. A trap pipe for preventing reverse flow of water according to claim 1 or 3, wherein: the outer wall of the tubular valve seat is cylindrical and is connected with the inner wall of the upper pipeline in a matching mode, and the inner pipeline of the tubular valve seat is gradually reduced from top to bottom.

5. The trapway fitting of claim 4, wherein the trapway fitting further comprises: the diameter of the inner pipe at the lower end of the tubular valve seat is 50mm-120 mm.

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