CN220521537U

CN220521537U - Device for siphon drainage, drainage pipe fitting and siphon drainage system

Info

Publication number: CN220521537U
Application number: CN202321722699.3U
Authority: CN
Inventors: 肖福全; 米久华
Original assignee: Hainan Liansu Technology Industrial Co ltd
Current assignee: Hainan Liansu Technology Industrial Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-02-23
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a device for siphon drainage, a drainage pipe fitting and a siphon drainage system, which comprises a main body and a valve mechanism, wherein a first air vent and a second air vent are respectively arranged on the main body, the first air vent is communicated with the second air vent, the valve mechanism is arranged on the second air vent so as to separate or communicate the first air vent with the second air vent, the device is arranged on the drainage pipe fitting, and one or more drainage pipe fittings are arranged in the system. The siphon drainage device has the functions of exhausting and sucking, and can solve the problem that the existing siphon drainage device does not have the function of sucking.

Description

Device for siphon drainage, drainage pipe fitting and siphon drainage system

Technical Field

The present utility model relates to the field of siphon drainage devices, and more particularly, to a device for siphon drainage, a drainage pipe, and a siphon drainage system.

Background

Today, siphoning has been applied to modern engineering, and many road surface drainage systems use siphonic drainage, which breaks through the conventional gravity drainage system, and uses a dedicated rain funnel to separate water from gas. At the beginning, vacuum is generated in the rainwater pipeline under the action of gravity, when water in the pipe is in a pressure flow state, a siphon phenomenon is formed, water is continuously discharged, and finally the rainwater pipe is in a full flow state. In the rainfall process, the whole system can rapidly discharge the rainwater on the road surface due to continuous siphoning effect.

In the prior art, urban drainage and sewage pipelines are adopted, and the layout modes are quite many in practical application, such as common pipelines (pipelines are directly connected with the water discharge ports of urban roads), rain hoppers with siphons (the rain hoppers with siphons can only be arranged at non-stressed places), and exhaust ports are additionally arranged in the middle of the pipelines, but the exhaust ports can only exhaust and cannot intake air. In addition, when the rainwater is large and strong, the accumulated water or domestic water on the road surface can only slowly leak into the drainage pipeline from the drainage hole, the efficiency is low and the drainage pipeline is easy to block, so that waterlogging is frequently caused in the pipeline, the water flow speed in the drainage pipeline is low, and the water in urban waterlogging is difficult to be rapidly discharged.

Disclosure of Invention

In order to solve the problems, the utility model provides a device and a system for siphon drainage, which can rapidly discharge air in a drainage pipe, so that the drainage pipe can carry out siphon drainage, and the drainage efficiency is quickened; after the water is drained, air can be quickly introduced, so that the air pressure inside and outside the pipeline is balanced, and the safety of the pipeline is protected.

In order to achieve the above object, the present utility model provides a device for siphon drainage, which comprises a main body and a valve mechanism, wherein the main body is provided with a first air vent and a second air vent respectively, the first air vent is communicated with the second air vent, and the valve mechanism is arranged on the second air vent so as to separate or communicate the first air vent with the second air vent.

When siphon drainage operation is carried out, the main body is arranged at the top of the drainage pipeline and is communicated with the drainage pipeline through the first air vent, water in the drainage pipeline extrudes air in the pipeline, so that the air enters the main body through the first air vent of the main body, when the valve mechanism is not pressurized, a gap exists between the valve mechanism and the second air vent to realize the communication of the first air vent and the second air vent, the air in the pipeline is discharged to the outside through the gap between the valve mechanism and the second air vent, when the air discharge is completed and the main body is full of water, the valve mechanism is pressurized, the valve mechanism is pressed and closed by the pressure of the water, the separation of the first air vent and the second air vent is realized, and the water is prevented from flowing out from the second air vent, so that the drainage pipeline can reach a full-flow state more quickly, and siphon drainage is carried out better; after the siphon drainage operation is completed, as the air pressure difference is formed between the inside of the drainage pipeline and the outside, the valve mechanism is opened under the action of the air pressure, and the outside air enters the drainage pipeline through the second air vent, so that the air pressure inside and outside the drainage pipeline is balanced, and the safety of the drainage pipeline is protected.

In one preferred mode, in order to prevent water in the drainage pipe from flowing out of the second air vent, the main body is of an inverted U-shaped vertical pipe structure, the first air vent and the second air vent are respectively arranged at two side tail ends of the main body, and the height of the first air vent in the vertical direction is lower than that of the second air vent.

In a preferred mode, in order to provide a valve mechanism, the valve mechanism plays a role of opening or closing the second air vent, so that a cavity is formed in the main body, the cavity is respectively communicated with the first air vent and the second air vent, and the valve mechanism is arranged in the cavity and corresponds to the second air vent.

As a preferred mode, the valve mechanism includes: the sealing plate, needle, the sealing plate lid is established on the second air vent, the top of needle with the bottom of sealing plate is connected, and the air will follow the sealing plate with the clearance of second air vent is discharged outside, and when water was full of the cavity of main part, water pressure will the sealing plate compresses tightly on the second air vent prevents that water from revealing, after drainage pipe fitting accomplishes the drainage, the sealing plate can be by external air jack-up, makes external air follow in the second air vent gets into drainage pipe fitting, makes the atmospheric pressure in the drainage pipe balanced, protects drainage pipe's safety, prolongs its life.

As a preferred mode, in order to place the valve needle, the valve needle drives the sealing piece to move up and down, a supporting frame is arranged on the end part of the main body, which is positioned at the second ventilation opening, a guide hole with the diameter being matched with the diameter of the valve needle is arranged in the vertical direction of the supporting frame, and the valve needle is installed on the supporting frame through the guide hole.

Preferably, in order to prevent the valve needle from being separated from the guide hole on the supporting frame, the length of the valve needle is greater than the distance between the upper end of the second ventilation opening and the top of the main body.

As a preferable mode, in order to conveniently clean residues in the main body and prevent the residues from blocking the first air vent and the second air vent, an opening communicated with the first air vent and the second air vent is formed in the top of the main body, and a sealing cover is detachably connected to the opening, so that the cavity in the main body can be directly cleaned and maintained by detaching the sealing cover.

In a preferred manner, a sealing ring is arranged between the sealing cover and the opening in order to ensure the tightness of the opening.

In order to achieve the above object, the present utility model provides a drainage pipe, which includes the device and further includes a pipe body, the device is vertically disposed on top of the pipe body, and the device is communicated with the pipe body through a first air vent.

The water draining pipe fitting can exhaust or intake air in the siphon water draining process and can isolate water.

To achieve the above object, the present utility model also provides a siphon drainage system comprising at least one drainage pipe, further comprising: the siphon rainwater hopper is arranged at the end head of the water collecting pipe and used for siphon drainage, and the drainage pipe fitting is communicated with the water collecting pipe in series, so that the system has the functions of exhausting and air intake.

According to the utility model, the water draining pipe fitting is connected in series into the siphon water draining system, so that air in the system can be rapidly discharged, the system can rapidly reach a full-flow state, and the siphon water draining efficiency of the system is improved; after the system finishes draining, air is introduced through the drainage pipe fitting, so that the air pressure inside and outside the system pipeline is balanced, and the safety of the system pipeline is protected.

Compared with the prior art, the utility model has the beneficial effects that:

1. through set up first air vent and second air vent respectively at the main part, rethread valve mechanism makes first air vent and second air vent separate or communicate, can discharge the air when siphon drainage, promotes drainage efficiency.

2. The valve mechanism makes air re-enter the drainage pipeline after the drainage is finished, so that the air pressure inside and outside the pipeline can be balanced, the safety of the pipeline is protected, and the service life of the pipeline is prolonged.

Drawings

FIG. 1 is a schematic view of the structure of the device for siphoning off water according to the present utility model;

FIG. 2 is an exploded view of the apparatus of the present utility model;

FIG. 3 is a schematic structural view of the main body;

FIG. 4 is a schematic view of the alternative view of FIG. 3;

FIG. 5 is a schematic view of a first embodiment of a drain fitting of the present utility model;

FIG. 6 is a schematic view of a second embodiment of a drain fitting;

FIG. 7 is a schematic view of a third embodiment of a drain fitting;

FIG. 8 is a schematic diagram of the siphon drain system of the present utility model;

in the figure: a main body 1; a first vent 101; a second vent 102; a support 103; a guide hole 104; a cavity 105; an opening 106; a sealing sheet 2; a valve needle 3; a sealing cover 4; a seal ring 5; a pipe body 6; a water collecting pipe 7; siphon rain hoppers 8.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1:

as shown in fig. 1 to 5, there is provided a device for siphoning off water, the device comprising: the pipe fitting comprises a main body 1 and a valve mechanism, wherein the main body 1 is vertically arranged at the top of a pipe fitting main body 6, a first air vent 101 and a second air vent 102 are arranged on the main body 1, the first air vent 101 is communicated with the second air vent 102, the first air vent 101 is communicated with the top of the pipe fitting main body 6, and the valve mechanism is arranged on the second air vent 102.

In this embodiment, as shown in fig. 5 to 7, the device is disposed on the top of the pipe body 6 to form a drainage pipe, which has both the exhaust and intake functions, and the pipe body 6 may be of a reducing tee type, a straight-through type, a right-angle elbow type, etc., so that the device has a wide application range.

Specifically, the main body 1 is an inverted U-shaped riser structure, the first air vent 101 and the second air vent 102 are respectively arranged at two side ends of the main body 1, the height of the first air vent 101 in the vertical direction is lower than that of the second air vent 102, in this embodiment, the first air vent 101 is in a semicircular structure and is adapted to the outer wall of the pipe fitting main body 6, the second air vent 102 is in a circular structure, and the area of the first air vent 101 is smaller, so that water in the pipe fitting main body 6 is not easy to enter from the first air vent.

Specifically, the first air vent 101 and the second air vent 102 are disposed vertically downward.

Specifically, a cavity 105 is formed in the inverted U-shaped riser structure of the main body 1, the cavity 105 is respectively communicated with the first air vent 101 and the second air vent 102, the valve mechanism is disposed in the cavity 105 and is disposed corresponding to the second air vent 102, in this embodiment, the cavity 105 is of an inverted U-shaped structure, and the effect of isolating water is achieved due to the height difference between the first air vent 101 and the second air vent 102.

Specifically, the valve mechanism includes: sealing washer 2, needle 3, sealing washer 2 for with the circular structure of second ventilation port 102 adaptation, its centre of a circle be equipped with the hole of needle 3 adaptation, sealing washer 2 cup joints through this hole and fixes the top of needle 3, sealing washer 2 lid is established on the second ventilation port 102, in this embodiment, sealing washer 2 is the silica gel material, and waterproof performance is strong, needle 3 is the stainless steel material, can adapt to moist operational environment, prevents to take place to rust.

In this embodiment, the valve mechanism may be an electromagnetic valve, and an air pressure sensor is disposed in the main body 1, and the air pressure sensor is linked with the electromagnetic valve, and when the air pressure sensor detects that the air pressure is higher than a threshold range, the electromagnetic valve is opened to perform air exhaust; when the air pressure sensor detects that the air pressure is lower than a threshold range, the electromagnetic valve is opened to perform air intake; when the air pressure sensor detects that the air pressure is in the threshold range, the solenoid valve remains closed to seal the second vent 102.

The end of the main body 1 and located the second ventilation opening 102 is provided with a support frame 103, the support frame 103 is of a hollow structure, a guide hole 104 with the diameter being matched with the diameter of the valve needle 3 is arranged on the support frame 103 in the vertical direction of the support frame 103, the valve needle 3 is installed on the support frame 103 through the guide hole 104, and the axial length of the guide hole 104 meets the opening and closing requirements of the valve mechanism.

Specifically, the length of the valve needle 3 is greater than the distance between the upper end of the second air vent 102 and the top of the main body 1, so as to prevent the valve needle 3 from sliding into the pipe fitting main body 6 after being lifted up.

In this embodiment, the main body 1 and the supporting frame 103 are integrally formed by injection molding, and the device of this embodiment may be separately injection molded, or may be integrally injection molded with the pipe body 6 to form a drainage pipe, and the structural strength of the drainage pipe is ensured by adopting an injection molding process.

The device for siphoning off water in this embodiment works as follows:

in the stage of drainage operation, water in the pipe fitting main body 6 extrudes air in the pipeline, so that the air enters through the first ventilation opening 101 of the main body 1 and is discharged through the second ventilation opening 102, the pipe fitting main body 6 rapidly reaches a full-flow state, siphon drainage efficiency is improved, when the drainage amount is large, water in the pipe fitting main body 6 flows into and fills the cavity 105 of the main body 1, and at the moment, the sealing piece 2 is pressed at the second ventilation opening 102 by water pressure, so that the second ventilation opening 102 is sealed, and water leakage is prevented; after the water draining operation is finished, the pipe fitting main body 6 is in a negative pressure state, and the sealing piece 2 is jacked up by external air pressure, so that air enters the main body 1 and the pipelines of the water draining pipe fitting, the internal and external air pressure is balanced, and the damage of the pipe fitting main body 6 is avoided.

Example 2:

this embodiment is similar to embodiment 1, except that in this embodiment, as shown in fig. 1 to 3, an opening 106 communicating with the first air vent 101 and the second air vent 102 is provided at the top of the main body 1, an external thread is provided on an outer wall of the main body 1 where the opening 106 is located, a sealing cover 4 is provided on the opening 106, an internal thread is provided on an inner wall of the sealing cover 4, and the sealing cover 4 is screwed on the top of the main body 1 by threads to seal the opening 106.

Specifically, a sealing ring 5 made of rubber is disposed between the sealing cover 4 and the opening 106.

In this embodiment, the sealing cover 4 on the top of the main body 1 is unscrewed, so that residues in the pipeline 1 can be cleaned, and clogging is prevented.

Example 3:

this embodiment is similar to embodiment 1, except that in this embodiment, as shown in fig. 8, a siphon drain system is provided, which includes at least one drain pipe member of embodiment 1, and further includes: the siphon rainwater hopper 8 is arranged at the end head of the water collecting pipe 7, and the drainage pipe fitting is communicated with the water collecting pipe 7 in series.

The working process of the siphon drainage system in this embodiment is as follows:

in the drainage process, the siphon rain water bucket 8 carries out siphon drainage, sewage enters the water collecting pipe 7 and extrudes air in the system, so that the air is discharged through the drainage pipe fitting, the system rapidly reaches a full-flow state, the siphon drainage efficiency is improved, the water flow speed is greatly increased, and after the sewage fills the device in the drainage pipe fitting, the second air vent 102 of the device on the drainage pipe fitting is sealed under the action of water pressure, so that the sewage is prevented from leaking; after the drainage is finished, water for liquid seal is reserved in a section of pipeline of the siphon rain water bucket 8, so that negative pressure is formed in the system, the pipeline is damaged due to the difference between the internal pressure and the external pressure, and at the moment, the drainage pipe fitting is used for air intake, so that external air enters the pipeline of the system, the internal pressure and the external pressure of the pipeline are balanced, the pipeline of the system is protected, and the service life of the pipeline is prolonged.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The device for siphoning and draining water is characterized by comprising a main body (1) and a valve mechanism, wherein a first air vent (101) and a second air vent (102) are respectively arranged on the main body (1), the first air vent (101) is communicated with the second air vent (102), and the valve mechanism is arranged on the second air vent (102) so that the first air vent (101) is separated from or communicated with the second air vent (102).

2. The device for siphonic drainage according to claim 1, wherein the main body (1) is an inverted-U-shaped riser structure, the first air vent (101) and the second air vent (102) are respectively provided at both side ends of the main body (1), and the height of the first air vent (101) in the vertical direction is lower than the height of the second air vent (102).

3. A device for siphoning off water according to claim 2, wherein a cavity (105) is formed in the main body (1), the cavity (105) is respectively connected to the first vent (101) and the second vent (102), and the valve mechanism is disposed in the cavity (105) and is disposed corresponding to the second vent (102).

4. A device for siphoning off water according to claim 1, wherein the valve mechanism comprises: the sealing piece (2) and the valve needle (3), wherein the sealing piece (2) is covered on the second ventilation opening (102), and the top of the valve needle (3) is connected with the bottom of the sealing piece (2).

5. A device for siphonic drainage according to claim 4, where a support (103) is provided on the body (1) at the end of the second vent (102), where a guide hole (104) with a diameter adapted to the diameter of the valve needle (3) is provided in the vertical direction of the support (103), where the valve needle (3) is mounted on the support (103) through the guide hole (104).

6. A device for siphoning off water according to claim 5, where the length of the valve needle (3) is greater than the distance between the upper end of the second vent (102) and the top of the body (1).

7. A device for siphoning off water according to claim 1 or 2, wherein the top of the body (1) is provided with an opening (106) communicating with the first vent (101) and the second vent (102), and the opening (106) is detachably connected with a sealing cover (4).

8. A device for siphonic drainage according to claim 7, where a sealing ring (5) is arranged between the sealing cap (4) and the opening (106).

9. A drain pipe, characterized by comprising the device according to any one of claims 1 to 8, further comprising a pipe body (6), said device being arranged vertically on top of said pipe body (6), said device being in communication with said pipe body (6) through said first vent (101).

10. A siphon drainage system comprising at least one drainage tube of claim 9, further comprising: the rainwater siphon device comprises a water collecting pipe (7) and a siphon rainwater hopper (8), wherein the siphon rainwater hopper (8) is arranged at the end head of the water collecting pipe (7), and the water draining pipe fitting is communicated with the water collecting pipe (7) in series.