CN112196055A - Safety water drain pipe - Google Patents

Abstract

The invention discloses a safe drain pipe, which belongs to the field of drainage pipelines and can prohibit insects and dangerous goods from entering. The water drain pipe comprises a section of circular pipe-shaped water drain pipe, wherein an opening is formed in the water drain pipe, a flashboard with a cross section matched with the hollow cross section in the opening is arranged in the opening, the upper end of the flashboard is in a circular arc shape matched with the upper opening, and the lower end of the flashboard is downwards connected to the top surface of a square water tank; the water tank is provided with a through hole on the top surface close to the left, a water inlet is arranged on the wall of the water drain pipe facing to the upper side of the through hole, and a water port smaller than the through hole is also arranged on the bottom of the water tank; the outer pipe wall around the water tank is connected with a square outer cover downwards, and a compression spring is elastically supported and tightly arranged between the bottom of the outer cover and the bottom of the water tank. The design is suitable for buildings needing drainage.

Description

Safety water drain pipe

Technical Field

The invention relates to a drainage article of a building, in particular to a safe drain pipe.

Background

The drain pipe is a necessary article for drainage of buildings such as commercial houses and the like, the general method is that a circular pipe which is inclined downwards is externally communicated to drain residual water for cleaning the ground, the pipe is directly communicated, pests such as mosquitoes, flies and the like can enter the indoor space to be bitten by harassment in summer through an unobstructed pipe cavity, more importantly, under the condition that doors and windows are tightly closed, a pipeline such as the drain pipe becomes a convenient and fast channel which is only communicated with the indoor space and the outdoor space, and many cases show that some unknowns can destroy the indoor space by means of the pipeline, for example, a soft thin pipe penetrates the indoor space from an outer opening (a water outlet) of the pipeline without sound to fill dangerous liquid or gas to destroy or hurt the human body, under the condition that people are unconscious, flammable oil and the like can cause the combustion of indoor articles but cannot be timely, toxic gas can poison indoor personnel and cannot be discovered, and the like, which explains that, although building accessories such as a water drain pipe are easy to neglect in the aspect of safety protection, the building accessories are a great safety hidden trouble and can not be small, so that people in real life need a safe water drain pipe which can smoothly drain residual water and effectively block pests and dangerous destructive objects from entering.

Disclosure of Invention

The invention aims to provide a novel technical scheme of a water drain pipe, which can solve the problems.

The technical scheme of the invention comprises the following steps: the water drain pipe comprises a section of circular pipe-shaped water drain pipe, wherein an opening which is upwards communicated with a pipe cavity is processed at the lower edge of the pipe wall of the water drain pipe, the length of the opening in the radial direction of the water drain pipe is larger than the inner diameter of the water drain pipe and smaller than the outer diameter of the water drain pipe, and an annular groove-shaped gate opening is processed on the circumference of the inner wall of the pipe wall where the opening is located; a flashboard with a section matched with the hollow section of the opening is arranged in the opening, the upper end of the flashboard is in a circular arc shape matched with the shape of the upper opening, and the lower end of the flashboard is downwards exposed out of the lower edge of the pipe wall of the drain pipe and then is connected to the top surface of a square water tank; the water tank is provided with a through hole close to the left on the top surface, the upward facing pipe wall of the water drain pipe of the through hole is provided with a larger water inlet, when water flows through the water drain pipe, the water flowing downwards through the water inlet can flow into the through hole on the top surface of the water tank and enter the water tank, and meanwhile, a water inlet smaller than the through hole is also arranged on the bottom of the water tank; the outer pipe wall of the drain pipe at the peripheral part of the water tank is downwards connected with a square outer cover with a leak hole at the bottom, the upper and lower heights of the outer cover are greater than the sum of the heights of the water tank and the flashboard, the section of an inner cavity of the outer cover is coincided with the outline section of the water tank, and a compression spring is elastically supported and tightly arranged between the bottom of the outer cover and the bottom of the water tank; when water flows to a water inlet part on the water drain pipe, the flowing water can flow downwards into the water tank to be gathered, the weight of the water tank is gradually increased, the downward compression spring moves downwards and simultaneously drives the gate plate connected with the water tank to synchronously move downwards to leave a gate opening on the pipe wall of the water drain pipe until reaching the lowest position, the pipe cavity of the water drain pipe is completely opened, the flowing water flows smoothly, after the flowing water passes through the pipe cavity, the water in the water tank can not be supplemented in time, the water continuously drained through the water gap and the leakage hole enables the water tank to gradually reduce the weight and finally return to the height position, the gate plate returns to block the pipe cavity section of the water drain pipe, the winged insect and the crawler can not enter in the original position, and people can not send dangerous objects into the inner end of the pipeline under.

The invention has the beneficial effects that: the pipe connecting pipe cavity can be safely blocked, and potential safety hazards are eliminated.

Drawings

FIGS. 1-3 are side elevational views of a downcomer according to the present design showing detail views of the various components in a fully blocked, semi-open and fully open positions, respectively.

Fig. 4 to 6 are sectional front views corresponding to the above three states (a combined elevation view of the shutter and the tank, and a longitudinal sectional detail view of the cover and the upper gate of the drain pipe).

Fig. 7 is an overall side view of the state in which the drain pipe is coupled.

In each figure, 1 is a drain pipe, 2 is an outer cover, 3 is a gate plate, 4 is a water inlet, 5 is a water tank, 6 is a spring, 7 is a gate opening, and 8 is an opening.

Detailed Description

The following description of the present design is provided in conjunction with the accompanying drawings.

As shown in fig. 1, 2, 3, 4, 5, and 6, the drain pipe of the present design includes a section of circular pipe shaped drain pipe 1, an opening 8 is formed at the lower edge of the pipe wall of the drain pipe 1 and is directed upward to the pipe cavity, the length of the opening 8 in the radial direction of the drain pipe is larger than the inner diameter of the drain pipe and smaller than the outer diameter of the drain pipe, and an annular groove-shaped gate 7 is formed on the circumference of the inner wall of the pipe wall where the opening is formed, as shown in fig. 3 and 6; in the opening 8, a flashboard 3 with a section matched with the hollow section in the opening is arranged in the opening, the upper end of the flashboard 3 is in a shape of a circular arc matched with the upper sluice gate 7, and the lower end of the flashboard 3 is downwards exposed out of the lower edge of the pipe wall of the water drain pipe 1 and then is connected to the top surface of a square water tank 5; the water tank 5 is provided with a through hole close to the left on the top surface, the wall of the water drain pipe facing upwards from the through hole is provided with a larger water inlet 4, when water in the water drain pipe flows through, the water passing downwards through the water inlet 4 can flow into the through hole on the top surface of the water tank and enter the water tank, meanwhile, a water gap smaller than the through hole is also arranged on the bottom of the water tank for leaking downwards, namely, the water entering the water tank enters and leaks at the same time, only the size of an inlet and an outlet is different, and the leaked water is less than the entered water in the same time so as to ensure that the water tank is always in a state of keeping enough water volume under the condition that flowing water enters the water tank, so that enough downward pressure is achieved, and the purpose of setting the larger water inlet is also achieved; a square outer cover 2 with a leak hole at the bottom is downwards connected to the outer pipe wall of the drain pipe 1 at the periphery of the water tank 5, the upper and lower heights of the outer cover 2 are greater than the sum of the heights of the water tank 5 and the flashboard 3, the inner cavity section of the outer cover is matched with the outline section of the water tank, and a compression spring 6 is elastically supported and tightly arranged between the bottom of the outer cover and the bottom of the water tank, as shown in fig. 1 and 4; when water flows to a water inlet 4 on a water drain pipe 1 from inside to outside, namely from left to right through a pipe cavity of the water drain pipe, the flowing water flows downwards and firstly flows into a water tank 5 to be gathered, the weight of the water tank is gradually increased, the water tank starts to downwards compress a spring 6 and simultaneously drives a flashboard 3 connected with the water tank to synchronously downwards move and leave a gate opening 7 on the pipe wall of the water drain pipe until reaching the lowest position, the pipe cavity of the water drain pipe 1 is completely opened, the flowing water flows out smoothly, as shown in figures 3 and 6, after the flowing water passes through, the water in the water tank can not be supplemented in time, the water continuously downwards flows through a water opening on the bottom of the water tank and a leak hole on the bottom of an outer cover, the weight of the water tank is gradually reduced, the flashboard finally returns to the original height position under the action of the spring elasticity, the section of the pipe cavity of the water drain pipe returns to a sealed position, as shown in, people can not feed dangerous objects into the inner end of the pipeline under the condition of not damaging the drain pipe.

Claims (1)

1. A safe water drain pipe comprises a section of water drain pipe in a circular pipe shape, and is characterized in that an opening which is upwards communicated with a pipe cavity is processed at the lower edge of the pipe wall of the water drain pipe, the length of the opening in the radial direction of the water drain pipe is larger than the inner diameter of the water drain pipe and smaller than the outer diameter of the water drain pipe, and an annular groove-shaped gate opening is processed on the circumference of the inner wall of the pipe wall where the opening is located; a flashboard with a section matched with the hollow section of the opening is arranged in the opening, the upper end of the flashboard is in a circular arc shape matched with the shape of the upper opening, and the lower end of the flashboard is downwards exposed out of the lower edge of the pipe wall of the drain pipe and then is connected to the top surface of a square water tank; the water tank is provided with a through hole close to the left on the top surface, the upward facing pipe wall of the water drain pipe of the through hole is provided with a larger water inlet, when water flows through the water drain pipe, the water flowing downwards through the water inlet can flow into the through hole on the top surface of the water tank and enter the water tank, and meanwhile, a water inlet smaller than the through hole is also arranged on the bottom of the water tank; the outer pipe wall of the drain pipe at the peripheral part of the water tank is downwards connected with a square outer cover with a leak hole at the bottom, the upper and lower heights of the outer cover are greater than the sum of the heights of the water tank and the flashboard, the section of an inner cavity of the outer cover is coincided with the outline section of the water tank, and a compression spring is elastically supported and tightly arranged between the bottom of the outer cover and the bottom of the water tank; when water flows to a water inlet part on the water drain pipe, the flowing water can flow downwards into the water tank to be gathered, the weight of the water tank is gradually increased, the downward compression spring moves downwards and simultaneously drives the gate plate connected with the water tank to synchronously move downwards to leave a gate opening on the pipe wall of the water drain pipe until reaching the lowest position, the pipe cavity of the water drain pipe is completely opened, the flowing water flows smoothly, after the flowing water passes through the pipe cavity, the water in the water tank can not be supplemented in time, the water continuously drained through the water gap and the leakage hole enables the water tank to gradually reduce the weight and finally return to the height position, the gate plate returns to block the pipe cavity section of the water drain pipe, the winged insect and the crawler can not enter in the original position, and people can not send dangerous objects into the inner end of the pipeline under.

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