CN218911638U

CN218911638U - Sealing device for controlling opening and closing of valve plate by differential pressure

Info

Publication number: CN218911638U
Application number: CN202222347812.6U
Authority: CN
Inventors: 刘永; 姜成旭
Original assignee: Shenyang Jiuri Industrial Co ltd
Current assignee: Shenyang Jiuri Industrial Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-04-25
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a sealing device for opening and closing a pressure difference control valve plate, which relates to the technical field of sewer pipeline sealing and comprises a main body, wherein the main body comprises a drainage cavity and a transmission assembly, the side wall of the drainage cavity is of an inclined surface structure, and the transmission assembly is arranged on the side wall of the drainage cavity.

Description

Sealing device for controlling opening and closing of valve plate by differential pressure

Technical Field

The utility model relates to the technical field of sewer pipeline sealing, in particular to a sealing device for controlling opening and closing of a valve plate by differential pressure.

Background

The sewer is a city public facility, which refers to a pipeline for discharging sewage from a building, a water seal is arranged in the sewer, so that odor in the sewer is prevented from being emitted from a pipe orifice, and the sewer is designed to be a deodorizing device for the sewer, and the utility model patent with the publication number of CN216552245U, wherein when the upper side of the sealing cover is not stressed, the sealing cover is covered on the lower port under the elastic action of an elastic part, so that the upward circulation of the gas in the pipeline can be prevented, and the effect of preventing the odor from flowing back into a room is achieved; when the sealing cover is subjected to downward pressure which is larger than the threshold value of deformation of the elastic component, the sealing cover is opened, so that fluid such as water can be discharged downwards smoothly.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sealing device for controlling the opening and closing of a valve plate by using a pressure difference, which solves the technical problems that when a large negative pressure occurs in a sewer line, the air pressure at the upper end of a sealing cover is larger than the air pressure at the lower end of the sealing cover, so that the sealing cover is opened, and at the moment, a water seal in a drainage device can be pumped away by the negative pressure of the sewer line, so that the protection function of the water seal is thoroughly destroyed, odor is reflected, and the requirement of increasingly improving the environmental quality of modern urban buildings cannot be met.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a sealing device that pressure differential control valve plate was opened and close, includes the main part, the main part includes drainage chamber and drive assembly, the inclined plane structure is personally submitted to drainage chamber lateral wall, drive assembly installs on drainage chamber lateral wall, drive assembly includes the cover body, the opening has been seted up to drainage chamber lateral wall, be equipped with pressure conducting membrane and rivers bearing plate on the drainage chamber lateral wall, pressure conducting membrane covers in the opening, there is the clearance between rivers bearing plate and the pressure conducting membrane, the cover body is installed on main part lateral wall and is covered in the opening, the pressure conductor is equipped with in the opening interpolation, be equipped with branch on the pressure conductor, the through-hole has been seted up on the cover body, branch runs through in the through-hole, the cover body outer wall is equipped with a pair of barrier plate, slidable mounting has the conversion connecting rod between the barrier plate, branch and conversion connecting rod contact, main part outer wall and be located a pair of barrier plate below are equipped with a pair of mounting panel between the mounting panel rotate and install and open and close the valve plate, open and close and the conversion contacts, be equipped with between the valve plate and the cover and the valve plate and inhale magnetic part.

Preferably, the penetrating end of the supporting rod is provided with an inclined surface, the inclined surface is contacted with the conversion connecting rod, the opening and closing valve plate is provided with a push rod, and the push rod is contacted with the conversion connecting rod.

Preferably, the conversion connecting rod is provided with a first contact surface matched with the inclined surface on the supporting rod, the conversion connecting rod is provided with a second contact surface which is positioned below the first contact surface, the second contact surface is in an arc surface structure, and the ejector rod is in contact with the second contact surface.

Preferably, a pair of blocking plates are respectively provided with a guide opening, guide blocks are slidably arranged in the guide openings, and the conversion connecting rod is arranged between the guide blocks.

Preferably, the opening and closing valve plate is provided with a sealing ring, and when the opening and closing valve plate is in a closed state, the sealing ring is in contact with the port at the lower end of the main body.

Preferably, an air pressure conducting hole is formed in the cover body and located at one side of the through hole.

Preferably, the magnetic component comprises a first movable magnetic core, a second movable magnetic core, a first fixed magnetic core and a second fixed magnetic core, wherein the first movable magnetic core and the second movable magnetic core are arranged on the opening and closing valve plate, the first movable magnetic core and the second movable magnetic core are positioned on two sides of a rotating connecting end of the opening and closing valve plate and the mounting plate, the first fixed magnetic core is arranged on the outer wall surface of the cover body and positioned below the through hole, and the second fixed magnetic core is arranged on the outer wall surface of the main body and below the outer wall surface of the cover body. The first movable magnetic core is matched with the first fixed magnetic core, and the second movable magnetic core is matched with the second fixed magnetic core.

Advantageous effects

The utility model provides a sealing device for controlling opening and closing of a valve plate by differential pressure, which solves the technical problems that the existing sealing device is capable of thoroughly destroying the protection function of a water seal by pumping away the water seal in a drainage device by the negative pressure of the drainage pipeline when the upper end air pressure of a sealing cover is larger than the lower end air pressure due to the fact that the lower end air pressure is larger than the larger negative pressure in the drainage pipeline, so that the odor is reflected out, and the requirements of modern urban buildings on environmental quality are increasingly met.

Drawings

Fig. 1 is a schematic perspective view of a sealing device for controlling opening and closing of a valve plate according to the present utility model.

Fig. 2 is a schematic diagram of a front view of a sealing device for controlling opening and closing of a valve plate according to the present utility model.

Fig. 3 is a schematic cross-sectional structure of a sealing device for controlling opening and closing of a valve plate according to the present utility model.

In the figure: 1. a main body; 2. a drainage cavity; 3. a cover body; 4. a pressure conductive membrane; 5. a water flow bearing plate; 6. a pressure conductor; 7. a support rod; 8. a blocking plate; 9. a conversion connecting rod; 10. a mounting plate; 11. opening and closing the valve plate; 12. a push rod; 13. a guide port; 14. a guide block; 15. a seal ring; 16. an air pressure conduction hole; 17. a first movable magnetic core; 18. a second movable magnetic core; 19. a first fixed magnetic core; 20. and a second fixed magnetic core.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a sealing device that pressure differential control valve plate was opened and close, including main part 1, main part 1 includes drainage chamber 2 and drive assembly, its characterized in that, drainage chamber 2 lateral wall personally submits inclined plane structure, drive assembly installs on drainage chamber 2 lateral wall face, drive assembly includes casing 3, the opening has been seted up to drainage chamber 2 lateral wall face, be equipped with pressure conducting membrane 4 and rivers bearing plate 5 on the drainage chamber 2 lateral wall face, pressure conducting membrane 4 covers in the opening, there is the clearance between rivers bearing plate 5 and the pressure conducting membrane 4, casing 3 installs on main part 1 lateral wall face and covers in the opening, pressure conductor 6 is equipped with branch 7 in the opening interpolation, the through-hole has been seted up on the casing 3, branch 7 runs through in the through-hole, casing 3 lateral wall face is equipped with a pair of barrier plate 8, slidable mounting has conversion connecting rod 9 between the barrier plate 8, branch 7 contacts with conversion connecting rod 9, main part 1 lateral wall face and be located a pair of barrier plate 8 below and be equipped with a pair of mounting panel 10, the valve plate 11 is installed in rotation between a pair of mounting panel 10, the valve plate 11 is opened and close 11 and close the conversion connecting rod 9 and open and close, be equipped with magnetism between valve plate 11 and the cover 3 and the magnetic absorption part.

Further, the penetrating end of the supporting rod 7 is provided with an inclined surface, the inclined surface is contacted with the conversion connecting rod 9, the opening and closing valve plate 11 is provided with a push rod 12, the push rod 12 is contacted with the conversion connecting rod 9, the conversion connection can be smoothly pushed through the inclined surface of the supporting rod, and the push rod is contacted with the conversion connection, so that the conversion connecting rod can prop against the push rod when being displaced.

Further, be equipped with on the conversion connecting rod 9 with the inclined plane assorted first contact surface on the branch 7, on the conversion connecting rod 9 and be located first contact surface below and be equipped with the second contact surface, the cambered surface structure is personally submitted to the second contact surface, ejector pin 12 contacts with the inclined plane on the second contact surface, the first contact surface of conversion connecting rod contacts with the inclined plane on the branch, make branch can directly promote the conversion connecting rod, make the conversion connecting rod receive decurrent component, the second contact surface that is equipped with on the conversion connecting rod is the cambered surface structure, make the roof when taking place to rotate, can rotate along the cambered surface route of conversion connecting rod.

Further, the pair of blocking plates 8 are respectively provided with a guide opening 13, guide blocks 14 are slidably mounted in the guide openings 13, and the conversion connecting rod 9 is mounted between the guide blocks 14, so that the conversion connecting rod can only move up and down along the guide opening path under the action of the guide blocks.

Further, a sealing ring 15 is arranged on the opening and closing valve plate 11, when the opening and closing valve plate 11 is in a closed state, the sealing ring 15 is in contact with the port at the lower end of the main body 1, and the sealing ring plays a role in sealing the port at the lower end of the main body.

Further, an air pressure conducting hole 16 is formed in the cover body 3 and located at one side of the through hole, and the air pressure conducting hole is used for communicating air pressure in the cover body with external air pressure, so that the pressure conductor can move.

Further, the magnetic attraction component comprises a first movable magnetic core 17, a second movable magnetic core 18, a first fixed magnetic core 19 and a second fixed magnetic core 20, the first movable magnetic core 17 and the second movable magnetic core 18 are installed on the opening and closing valve plate 11, the first movable magnetic core 17 and the second movable magnetic core 18 are located at two sides of a rotation connecting end of the opening and closing valve plate 11 and the mounting plate 10, the first fixed magnetic core 19 is installed on the outer wall surface of the cover body 3 and located below the through hole, and the second fixed magnetic core 20 is installed on the outer wall surface of the main body and below the outer wall surface of the cover body 3. The first moving core 17 is matched with the first fixed core 19, and the second moving core 18 is matched with the second fixed core 20.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: according to the description, when the main body 1 is butted between a drainage device and a sewer pipe and water flows into the sewer pipe, at the moment, the water flows firstly enter the main body 1 and falls onto the opening and closing valve plate 11 along the inclined surface of the water flow bearing plate 5, the opening and closing valve plate 11 is pushed to be opened under the action of the kinetic energy impact and the water pressure difference force of the water flow on the opening and closing valve plate 11, the opening and closing valve plate 11 rotates by taking the rotating ends of the mounting plate 10 and the opening and closing valve plate 11 as the circle center, so that the ejector rod 12 is scratched by the second contact surface of the conversion connecting rod 9 in an arc surface structure, the ejector rod 12 is instantaneously separated from the conversion connecting rod 9 (the impact force and the gravity of the water flow are larger than the acting force between the ejector rod 12 and the conversion connecting rod 9), the water flow is discharged, and the water flow bearing plate 5 prevents the water flow from directly impacting the pressure conducting membrane 4, so that the pressure conducting membrane 4 is prevented from being damaged on one hand, and the opening and closing the valve plate 11 is convenient to be instantaneously opened;

when negative pressure appears in the sewer, the pressure above the opening and closing valve plate 11 is larger than the lower Fang Yajiang at this moment, the acting force caused by the pressure difference between the upper and lower sides acts on the pressure conducting film 4, the pressure conducting film 4 pushes the pressure conductor 6 again, and then the supporting rod 7 on the pressure conductor 6 pushes the conversion connecting rod 9, as the inclined surface is arranged on the penetrating end of the supporting rod 7, the first contact surface matched with the inclined surface on the supporting rod 7 is arranged on the conversion connecting rod 9, and then the inclined surface of the supporting rod 7 moves along the first contact surface of the conversion connecting rod 9, and then the conversion connecting rod 9 receives a part of downward component force, and then the conversion connecting rod 9 moves downwards along the path of the guide opening 13 under the action of the guide block 14, and then the second contact surface of the arc-shaped structure of the conversion connecting rod 9 pushes against the ejector rod 12, and further the opening and closing valve plate 11 is prevented from rotating, and the first movable magnetic core 17 and the second fixed magnetic core 19 are attracted to each other, and also exert the pulling force on the valve plate 11, and then the sealing ring 15 on the opening and closing valve plate 11 is prevented from rotating, and the sealing ring 15 on the opening and closing valve plate 11 contacts with the port at the lower end of the main body 1, and thus the sealing effect is achieved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The sealing device for opening and closing the pressure difference control valve plate comprises a main body (1), wherein the main body (1) comprises a drainage cavity (2) and a transmission component, the side wall of the drainage cavity (2) is of an inclined surface structure, the transmission component is installed on the side wall of the drainage cavity (2), the transmission component comprises a cover body (3), an opening is formed in the side wall of the drainage cavity (2), a pressure conducting film (4) and a water flow bearing plate (5) are arranged on the side wall of the drainage cavity (2), the pressure conducting film (4) is covered on the opening, a gap exists between the water flow bearing plate (5) and the pressure conducting film (4), the cover body (3) is installed on the side wall of the main body (1) and covers the opening, a pressure conductor (6) is installed in the opening in an inserting mode, a supporting rod (7) is arranged on the pressure conductor (6), a through hole is formed in the cover body (3), the supporting rod (7) penetrates through the through hole, a pair of blocking plates (8) are arranged on the outer wall surface of the cover body (3), a pair of blocking plates (8) are arranged between the water flow bearing plate (5) and the pressure conducting film (4) and the connecting rod (8) are in a sliding mode, a pair of connecting rods (9) are arranged on the connecting rods (9) and are arranged on the connecting plates (9), a pair of opening and closing valve plates (11) are rotatably arranged between the mounting plates (10), the opening and closing valve plates (11) are contacted with the conversion connecting rod (9), and a magnetic component is arranged between the opening and closing valve plates (11) and the cover body (3).

2. The sealing device for opening and closing a valve plate according to claim 1, wherein an inclined surface is arranged at the penetrating end of the supporting rod (7), the inclined surface is in contact with the conversion connecting rod (9), a push rod (12) is arranged on the opening and closing valve plate (11), and the push rod (12) is in contact with the conversion connecting rod (9).

3. The sealing device for opening and closing a valve plate according to claim 2, wherein the switching connecting rod (9) is provided with a first contact surface matched with the inclined surface on the supporting rod (7), the switching connecting rod (9) is provided with a second contact surface below the first contact surface, the second contact surface is in an arc surface structure, and the ejector rod (12) is in contact with the second contact surface.

4. The sealing device for controlling the opening and closing of the valve plate according to claim 1, wherein a pair of blocking plates (8) are respectively provided with a guide opening (13), guide blocks (14) are slidably installed in the guide openings (13), and the conversion connecting rod (9) is installed between the guide blocks (14).

5. The sealing device for opening and closing the valve plate according to claim 1, wherein the opening and closing valve plate (11) is provided with a sealing ring (15), and the sealing ring (15) is in contact with the lower end port of the main body (1) when the opening and closing valve plate (11) is in a closed state.

6. The sealing device for opening and closing the valve plate according to claim 1, wherein the cover body (3) is provided with an air pressure conducting hole (16) at one side of the through hole.

7. The sealing device for opening and closing a valve plate according to claim 1, wherein the magnetic attraction component comprises a first movable magnetic core (17), a second movable magnetic core (18), a first fixed magnetic core (19) and a second fixed magnetic core (20), the first movable magnetic core (17) and the second movable magnetic core (18) are installed on the opening and closing valve plate (11), the first movable magnetic core (17) and the second movable magnetic core (18) are located at two sides of a rotating connecting end of the opening and closing valve plate (11) and the mounting plate (10), the first fixed magnetic core (19) is installed on the outer wall surface of the cover body (3) and below the through hole, the second fixed magnetic core (20) is installed on the outer wall surface of the main body and below the outer wall surface of the cover body (3), the first movable magnetic core (17) is matched with the first fixed magnetic core (19), and the second movable magnetic core (18) is matched with the second fixed magnetic core (20).