CN212273158U

CN212273158U - Siphon type one-way valve

Info

Publication number: CN212273158U
Application number: CN202021882854.4U
Authority: CN
Inventors: 张治国
Original assignee: Anqing Taiyue Machinery Technology Co ltd
Current assignee: Anqing Taiyue Machinery Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-01-01
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a siphon check valve, which comprises a check valve main body, wherein the check valve main body is fixedly connected with a drainage piece, and a floating ball is arranged in the check valve main body; the drainage piece comprises a circular ring, blades are distributed on the circular ring in an array mode, and a baffle is arranged below the circular ring; the check valve main part includes the valve body, is equipped with first flange on the valve body, is equipped with first bolt hole on the first flange, is equipped with the connecting hole on the first flange, and the connecting hole communicates with the valve body is inside, and the intercommunication is equipped with water outlet channel on the first flange, and water outlet channel's one end and valve body fastening connection, other end fastening connection have the second flange, are equipped with the apopore on the second flange, and the apopore communicates with water outlet channel is inside, is equipped with the round hole that the array distributes on the second flange. The utility model discloses check valve rainwash blade, steady entering, isolated air forms the siphon, simple structure, and simple to operate presses the drainage, has pipeline automatically cleaning ability, long service life, the high-efficient drainage of economy.

Description

Siphon type one-way valve

Technical Field

The utility model relates to a check valve specifically is a hydrocone type check valve.

Background

The external floating roof of a storage tank is typically used in open, cylindrical steel storage tanks for volatile petroleum products such as crude oil, gasoline or kerosene. The structure form of the outer floating roof is similar to that of the inner floating roof, and the outer floating roof has a steel shallow plate type, a floating cabin type, a single-layer or double-layer deck type, and even has an aluminum alloy sandwich structure, and the supporting legs of the floating roof are usually movably, telescopically and suspended in liquid. Under most circumstances, a central drainage system is arranged on the floating roof to ensure that accumulated water can be drained smoothly in rainy and snowy days, avoid disc sinking accidents and ensure the safety of the oil tank. The existing drainage is that one end of a drainage pipe is fixed on a floating roof, the other end of the drainage pipe is fixed on an oil tank for drainage, a vortex is easily formed at an inlet, a large amount of air is brought into a pipeline, the drainage efficiency is low, and rainwater cannot be timely drained when extreme weather occurs, so that the service life of a floating plate is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrocone type check valve, the rainwater erodees the blade, through the effect that blocks of blade, in the steady admission valve body, the water inlet department does not have the swirl and produces, isolated air gets into, and the one-way intake of floater can prevent that drainage pipe from breaking under the special circumstances, and the floating disc is flowed into to jar crude oil backward, dual guarantee oil tank safety. After rainwater gets into horizontal suspension pipe, the velocity of flow slows down, and intraductal fullness increases, and after full pipe, form stable siphon state, simple structure, simple to operate presses the drainage, has pipeline automatically cleaning ability, long service life, and economy high efficiency drainage.

The purpose of the utility model can be realized by the following technical scheme:

the siphon type one-way valve comprises a one-way valve body, wherein a drainage piece is fixedly connected to the one-way valve body, and a floating ball is arranged inside the one-way valve body.

The drainage piece comprises a circular ring, blades are distributed on the circular ring in an array mode, and a baffle is arranged below the circular ring.

Further, the check valve main part includes the valve body, is equipped with first flange on the valve body, is equipped with first bolt hole on the first flange, is equipped with the connecting hole on the first flange, and the connecting hole communicates with the valve body is inside, and the intercommunication is equipped with exhalant canal on the first flange, and the one end and the valve body fastening connection of exhalant canal, other end fastening connection have the second flange, are equipped with the apopore on the second flange, and the apopore communicates with exhalant canal is inside, is equipped with the round hole that the array distributes on the second flange.

Furthermore, the floating ball is matched with the inner wall of the valve body.

Furthermore, a third flange is arranged below the circular ring, a water inlet hole is formed in the third flange and is communicated and matched with the connecting hole, a second bolt hole is formed in the third flange, and the first bolt hole is communicated with the second bolt hole.

Further, the drainage piece passes through second bolt hole and first bolt hole fastening connection in proper order on the check valve main part through the screw rod.

Furthermore, the blades are perpendicular to the third flange and fixedly connected with the third flange, the bottom surfaces of the blades are inclined, the circular rings are fixedly connected with the blades, and the blades are fixedly connected with the baffle.

Further, the diameter of the baffle is smaller than the inner diameter of the circular ring, and the diameter of the baffle is larger than the inner diameter of the water inlet hole.

The utility model has the advantages that:

1. the one-way valve rainwater scouring blade of the utility model stably enters the valve body through the blocking effect of the blade, no vortex is generated at the water inlet, air is isolated from entering, after rainwater enters the horizontal suspension pipe, the flow speed is slowly reduced, the filling degree in the drain pipe is increased, and after the pipe is filled, a stable siphon state is formed, so that the water drainage efficiency is high, the structure is simple, the installation is convenient, and the one-way valve rainwater scouring blade is suitable for practical use;

2. the utility model discloses the one-way intaking of check valve floater prevents that drainage pipe from breaking under the special circumstances, and the floating plate is gone into in jar crude oil backward flow, takes the pressure drainage, has pipeline automatically cleaning ability, long service life.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the check valve of the present invention;

fig. 2 is a cross-sectional view of the check valve of the present invention;

FIG. 3 is a schematic view of the structure of the check valve body of the present invention;

fig. 4 is a schematic structural view of the drainage member of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

A siphon type check valve comprises a check valve body 1, as shown in figures 1 and 2, a drainage piece 2 is fixedly connected to the check valve body 1, and a floating ball 3 is arranged inside the check valve body 1.

The check valve body 1 comprises a valve body 11, as shown in fig. 3, a first flange 12 is arranged on the valve body 11, a first bolt hole 13 is formed in the first flange 12, a connecting hole 14 is formed in the first flange 12, the connecting hole 14 is communicated with the interior of the valve body 11, a water outlet channel 15 is communicated with the first flange 12, one end of the water outlet channel 15 is fixedly connected with the valve body 11, the other end of the water outlet channel is fixedly connected with a second flange 16, a water outlet hole 17 is formed in the second flange 16, the water outlet hole 17 is communicated with the interior of the water outlet channel 15, round holes 18 distributed in an array mode are formed in the second flange 16, and the.

The drainage piece 2 comprises a circular ring 21, as shown in fig. 4, blades 22 are distributed on the circular ring 21 in an array mode, a baffle plate 23 is arranged below the circular ring 21, a third flange 24 is arranged below the circular ring 21, a water inlet hole 25 is formed in the third flange 24, the water inlet hole 25 is communicated and matched with the connecting hole 14, a second bolt hole 26 is formed in the third flange 24, and the first bolt hole 13 is communicated with the second bolt hole 26.

The drainage piece 2 passes through the second bolt hole 26 and the first bolt hole 13 in turn through a screw to be fastened and connected on the check valve main body 1.

The vane 22 is vertical to and fixedly connected with the third flange 24, the bottom surface of the vane 22 is inclined, the circular ring 21 is fixedly connected with the vane 22, and the vane 22 is fixedly connected with the baffle 23.

The diameter of the baffle 23 is smaller than the inner diameter of the ring 21, and the diameter of the baffle 23 is larger than the inner diameter of the water inlet hole 25.

During the use, the rainwater erodees blade 22, through the effect that blocks of blade 22, steadily gets into in valve body 11, and water inlet department does not have the swirl and produces, and isolated air gets into, and 3 one-way intakes of floater prevent that drainage pipe from breaking under the special circumstances, and the floating plate is gone into in jar crude oil backward flow, and the rainwater gets into behind the horizontal suspension pipe, and the velocity of flow slows down, and intraductal fullness increases, after the full pipe, forms stable siphon state, the utility model discloses simple structure, simple to operate presses the drainage, has pipeline automatically cleaning ability, long service life, economical and efficient drainage.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A siphon type one-way valve comprises a one-way valve main body (1), and is characterized in that the one-way valve main body (1) is fixedly connected with a drainage piece (2), and a floating ball (3) is arranged in the one-way valve main body (1);

the drainage piece (2) comprises a circular ring (21), blades (22) are distributed on the circular ring (21) in an array mode, and a baffle (23) is arranged below the circular ring (21).

2. The siphon type check valve according to claim 1, wherein the check valve body (1) comprises a valve body (11), a first flange (12) is arranged on the valve body (11), a first bolt hole (13) is formed in the first flange (12), a connecting hole (14) is formed in the first flange (12), the connecting hole (14) is communicated with the inside of the valve body (11), a water outlet channel (15) is communicated with the first flange (12), one end of the water outlet channel (15) is fixedly connected with the valve body (11), a second flange (16) is fixedly connected with the other end of the water outlet channel, a water outlet hole (17) is formed in the second flange (16), the water outlet hole (17) is communicated with the inside of the water outlet channel (15), and round holes (18) distributed in an array are formed in the second flange (16).

3. A siphon-type check valve according to claim 2, characterised in that said floating ball (3) engages the inner wall of the valve body (11).

4. The siphon check valve according to claim 2, wherein a third flange (24) is arranged below the circular ring (21), a water inlet hole (25) is formed in the third flange (24), the water inlet hole (25) is communicated and matched with the connecting hole (14), a second bolt hole (26) is formed in the third flange (24), and the first bolt hole (13) is communicated with the second bolt hole (26).

5. A siphon-type non-return valve according to claim 4, characterised in that the flow-inducing element (2) is fastened to the non-return valve body (1) by means of a screw passing through the second bolt hole (26) and the first bolt hole (13) in succession.

6. The siphon check valve according to claim 1, wherein the blade (22) is perpendicular to and fastened to the third flange (24), the bottom surface of the blade (22) is inclined, the ring (21) is fastened to the blade (22), and the blade (22) is fastened to the baffle (23).

7. A siphon-type check valve according to claim 4, characterised in that the diameter of the baffle (23) is smaller than the internal diameter of the ring (21) and the diameter of the baffle (23) is greater than the internal diameter of the inlet orifice (25).