CN215721028U - Magnetic sealing check flap valve - Google Patents
Magnetic sealing check flap valve Download PDFInfo
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- CN215721028U CN215721028U CN202120143311.9U CN202120143311U CN215721028U CN 215721028 U CN215721028 U CN 215721028U CN 202120143311 U CN202120143311 U CN 202120143311U CN 215721028 U CN215721028 U CN 215721028U
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Abstract
The utility model discloses a magnetic sealing check flap valve which mainly comprises a valve seat, a valve plate, a liquid sealing ring and a hinge. The method is characterized in that: the valve plate is connected with the valve seat through a hinge, the valve plate is made of a rigid light plastic plate with an iron ring embedded in the outer ring, and an annular weak magnet is arranged at the contact part of the valve seat and the valve plate. When the valve operates, the valve plate is opened when the upstream liquid pressure is greater than the sum of the pressure outside the flap valve and the magnetic force between the valve seat and the valve plate; when no liquid pressure exists upstream or when the pressure outside the flap valve is greater than the upstream liquid pressure, the valve plate of the check flap valve is closed under the action of the gravity and the magnetic force. The utility model is designed to be magnetic sealing, so that the self weight of the valve plate can be greatly reduced, namely, the energy loss of upstream liquid generated by overcoming the larger gravity of the traditional flap valve can be reduced, and the upstream liquid can be smoothly discharged; meanwhile, the upward tracing of bad gas outside the flap valve can be effectively prevented, the device is simple in structure and working principle, the product is easy to construct and install, and large-scale production and popularization are facilitated.
Description
Technical Field
The utility model belongs to the technical field of drainage, and particularly relates to a magnetic sealing check flap valve.
Background
The commonly used check flap valve in the engineering at present mainly takes a suspension type as a main part, and the suspension type check flap valve is mainly characterized by simple technical principle and easy production and installation. However, the valve plate mainly depends on the component force of gravity to realize the ordinary sealing measure, the valve plate needs to have enough gravity to realize the sealing measure, and the negative effect of the valve plate is that the liquid in the pipeline needs to overcome the gravity to do work; only when the acting force of the liquid is larger than the gravity component of the valve plate, the check flap valve can be opened. Therefore, a problem arises in that: as long as the acting force of the liquid in the pipeline on the valve plate is smaller than the gravity component of the valve plate, the check flap valve cannot be opened, and the liquid can be remained in the pipeline for a long time. Depending on the engineering requirements, this situation is often undesirable. If the conduit is designed to discharge toxic or harmful liquids, such as liquid, it may not be possible to discharge the liquid in the first instance, even if a very small portion of the liquid remains in the conduit, which may have serious adverse consequences. Therefore, a new check flap valve is needed to solve this problem.
According to the utility model, the valve plate is controlled to be closed by utilizing magnetic force according to a simple magnet physical principle; the valve plate is made of a steel plate, and the mass of the valve plate can be designed to be as small as possible; therefore, the upstream liquid resistance of the check flap valve can be greatly reduced, and the working efficiency of the pipeline can be improved. The utility model has simple principle and low failure rate, and greatly improves the problem that the traditional suspension type check flap valve can not drain the liquid with small flow in the pipeline.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a magnetic sealing check flap valve, aiming at solving the problem that a valve plate cannot be opened by pressure provided by small-flow liquid, so that the working efficiency of a pipeline is improved on the premise of not changing the sealing safety.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a magnetic force seals non return flap valve, mainly includes disk seat (1), valve plate (2), liquid seal circle (3), hinge (4) its characterized in that: the method is characterized in that: the upper part of the valve plate (2) is connected with the valve seat (1) through a hinge (4), the valve plate (2) adopts a rigid light plastic plate with an iron ring embedded in the outer ring, and the contact part of the valve seat (1) and the valve plate (2) is provided with an annular integral weak magnet (5); in the operation process, when the upstream liquid pressure is greater than the sum of the flap valve external pressure and the magnetic force between the valve seat (1) and the valve plate (2), the check flap valve plate (2) is opened; when no liquid pressure exists at the upstream or when the pressure outside the flap valve is greater than the pressure of the liquid at the upstream, the valve plate (2) of the check flap valve is closed under the action of the gravity and the magnetic force.
According to the magnetic sealing check flap valve, the valve seat (1) is made of an anti-corrosion firm material and does not react with water chemically.
The utility model relates to a magnetic sealing check flap valve, wherein the valve plate (2) comprises but is not limited to a rigid light plastic plate, and an iron ring is embedded in the outer ring of the rigid light plastic plate.
According to the magnetic sealing check flap valve, the liquid sealing ring (3) is made of an anti-corrosion material, including but not limited to silica gel.
According to the magnetic sealing check flap valve, the hinge (4) is made of an anti-corrosion material and can be the same as the valve seat (1).
According to the magnetic sealing check flap valve, an annular integral weak magnet (5) is arranged at the contact part of the valve seat (1) and the valve plate (2), and a liquid sealing ring (3) is arranged outside the weak magnet (5) for protection.
The working cycle of the magnetic sealing check flap valve provided by the utility model is divided into four conditions: standby time, operation preparation time, operation time, and standby preparation time.
The magnetic sealing check flap valve provided by the utility model is used in a pipeline no-flow time period during standby. At the moment, no liquid exists in the upstream pipeline of the magnetic sealing check flap valve arranged at the pipeline opening, the valve plate (2) keeps airtight under the combined action of the gravity of the valve plate and the weak magnet (5), and the functions of preventing the dirty gas outside the pipeline from going up and preventing the external liquid from flowing back are achieved.
The preparation of the magnetic sealing check flap valve occurs in the beginning period of liquid discharge in the pipe. At the moment, as the valve plate (2) is closed, liquid in the pipeline can be collected before the valve plate (2), and the valve plate (2) is opened and the pipeline starts to work until the acting force of the liquid before the valve plate (2) is larger than the sum of the gravity component of the valve plate (2) and the magnetic force between the valve plate and the weak iron. Because the sum of two forces borne by the valve plate (2) is far smaller than the gravity of the traditional check flap valve, the valve plate (2) can be opened in a short time without too large water volume and water pressure. At this point, the preparation time ends, the operation starts, and the removal of liquid from the pipe starts.
The magnetic sealing check flap valve disclosed by the utility model is operated in a pipeline flow continuous period. Due to the continuous discharge of the liquid, the flow rate is gradually increased, the force acting on the valve plate (2) is gradually increased, and the height for supporting the valve plate (2) by the liquid is gradually increased. When the height of the valve plate (2) is increased to completely overcome the magnetic force of the weak magnet, the work done by the liquid on the valve plate is only that done to overcome the component of the gravity force. The valve plate (2) is designed to be as light as possible, so that when liquid is discharged, the gravity component of the valve plate (2) is very small and can be ignored sometimes, therefore, when the magnetic sealing check flap valve works, the adverse factors hindering the liquid discharge are greatly reduced, and the liquid can be discharged more smoothly and unimpededly.
The standby preparation of the magnetic sealing check flap valve occurs in the end period of liquid discharge in the pipe. The liquid discharge phenomenon is slowly finished along with the reduction of the liquid flow in the pipe, the force of the valve plate (2) supported by the continuously discharged liquid is gradually reduced, and the valve plate (2) is slowly returned under the action of the gravity component of the valve plate (2). When no liquid flows out from the pipe, the pressure applied to the pipe is zero, and the valve plate (2) is fastened on the valve seat (1) under the action of magnetic force. And under the sealing of the liquid sealing ring (3) between the valve plate (2) and the weak magnet (5), the magnetic sealing check flap valve enters a standby state.
The utility model relates to a magnetic sealing check flap valve, wherein a valve plate (2) and a weak magnet (5) are the technical core of the utility model. Due to the magnetic action of the weak magnet (5), the weight of the valve plate (2) can be reduced as much as possible on the premise that the valve plate (2) is airtight when in standby state as long as the material of the corresponding part of the valve plate (2) contains enough iron components in the design, so that the energy loss of upstream liquid overcoming the gravity component of the valve plate (2) is reduced, and the upstream liquid is more quickly discharged out of a pipeline. When the liquid flow is increased and the jacking distance of the valve plate (2) exceeds the action range of the magnetic force, the magnetic force is not acted any more, and the adverse factor of obstructing the liquid flowing out only has a small gravity component. When its weight is sufficiently small, it is negligible, i.e. it is assumed that the liquid flow out through a magnetically sealed check flap valve is not resisted.
The magnetic sealing check flap valve has the beneficial effects that: the whole system has simple principle, no complex mechanical structure and convenient production and construction; the resistance of the traditional check flap valve is greatly reduced, so that the liquid at the upstream of the pipeline is discharged more smoothly without resistance; the long-term collection of liquid caused by insufficient acting force of the liquid on the valve plate (2) can be avoided when the upstream pipeline is leveled, and adverse effects are generated.
Drawings
FIG. 1 is a schematic plan view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic plan view of the valve plate construction of the present invention;
FIG. 4 is a schematic cross-sectional view of a valve plate construction of the present invention;
FIG. 5 is a partial schematic view of the valve seat and valve plate of the present invention;
FIG. 6 is a schematic diagram illustrating the operation of the present invention in standby mode;
FIG. 7 is a schematic illustration of the working principle of the present invention in preparation for working;
FIG. 8 is a schematic view of the working principle of the present invention in operation;
FIG. 9 is a schematic diagram of the working principle of the present invention in standby preparation;
in the figure, (1), valve seat; (2) a valve plate; (3) a liquid sealing ring; (4) a hinge; (5) weak magnet; (6) bolt holes; (7) a steel plate ring; (8) and a pipeline.
Detailed Description
The utility model provides a magnetic sealing check flap valve, which is further described in detail below with reference to the accompanying drawings in order to make the purpose, technical scheme and use effect of the utility model clearer and clearer.
Referring to fig. 1 and 2, and fig. 3 and 4 and 5, the magnetic sealing check flap valve provided by the present invention is characterized in that: the upper part of the valve plate (2) is connected with the upper part of the valve seat (1) through a hinge (4), the valve plate (2) adopts a plastic-coated steel plate, and the contact part of the valve seat (1) and the valve plate (2) is provided with an annular integral weak magnet (5). In the operation process, when the upstream liquid pressure is greater than the sum of the flap valve external pressure and the magnetic force between the valve seat (1) and the valve plate (2), the check flap valve plate (2) is opened; when no liquid pressure exists at the upstream or when the pressure outside the flap valve is greater than the pressure of the liquid at the upstream, the valve plate (2) of the check flap valve is closed under the action of the gravity and the magnetic force.
Referring to fig. 1 and 2 and fig. 3 and 4 and 5, in this example, the valve seat (1) is a circular valve seat made of cast iron.
Referring to fig. 1 and 2 and fig. 3 and 4 and 5, in this example, the valve plate (2) is a circular valve plate, and the outer ring of material is embedded in a rigid lightweight plastic plate of a steel plate ring.
Referring to fig. 1 and 2 and fig. 3 and fig. 4 and 5, in this example, the liquid sealing ring (3) is a silicone ring just covering the weak magnet (4).
Referring to fig. 1 and 2 and fig. 3 and fig. 4 and 5, in this example, the hinge (4) is a conventional steel hinge.
Referring to fig. 1 and 2 and fig. 3 and fig. 4 and 5, in this example, the weak magnet (5) is a ring magnet, and the outside is protected by the liquid seal ring (3).
The preparation of the magnetic sealing check flap valve occurs in the beginning period of liquid discharge in the pipe. At the moment, as the valve plate (2) is closed, liquid in the pipeline can be collected before the valve plate (2), and the valve plate (2) is opened and the pipeline starts to work until the acting force of the liquid before the valve plate (2) is larger than the sum of the gravity component of the valve plate (2) and the magnetic force between the valve plate and the weak iron. Because the sum of two forces borne by the valve plate (2) is far smaller than the gravity of the traditional check flap valve, the valve plate (2) can be opened in a short time without too large water volume and water pressure. At this point, the preparation time ends, the operation starts, and the removal of liquid from the pipe starts. Please refer to fig. 2.
The preparation of the magnetic sealing check flap valve occurs in the beginning period of liquid discharge in the pipe. At the moment, as the valve plate (2) is closed, liquid in the pipeline can be collected before the valve plate (2), and the valve plate (2) is opened and the pipeline starts to work until the acting force of the liquid before the valve plate (2) is larger than the sum of the gravity component of the valve plate (2) and the magnetic force between the valve plate and the weak iron. Because the sum of two forces borne by the valve plate (2) is far smaller than the gravity of the traditional check flap valve, the valve plate (2) can be opened in a short time without too large water volume and water pressure. At this point, the preparation time ends, the operation starts, and the removal of liquid from the pipe starts. Please refer to fig. 3 for details.
The magnetic sealing check flap valve disclosed by the utility model is operated in a pipeline flow continuous period. Due to the continuous discharge of the liquid, the flow rate is gradually increased, the force acting on the valve plate (2) is gradually increased, and the height for supporting the valve plate (2) by the liquid is gradually increased. When the height of the valve plate (2) is increased to completely overcome the magnetic force of the weak magnet, the work done by the liquid on the valve plate is only that done to overcome the component of the gravity force. The valve plate (2) is designed to be as light as possible, so that when liquid is discharged, the gravity component of the valve plate (2) is very small and can be ignored sometimes, therefore, when the magnetic sealing check flap valve works, the adverse factors hindering the liquid discharge are greatly reduced, and the liquid can be discharged more smoothly and unimpededly. Please refer to fig. 4.
The standby preparation of the magnetic sealing check flap valve occurs in the end period of liquid discharge in the pipe. The liquid discharge phenomenon is slowly finished along with the reduction of the liquid flow in the pipe, the force of the valve plate (2) supported by the continuously discharged liquid is gradually reduced, and the valve plate (2) is slowly returned under the action of the gravity component of the valve plate (2). When no liquid flows out from the pipe, the pressure applied to the pipe is zero, and the valve plate (2) is fastened on the valve seat (1) under the action of magnetic force. And under the sealing of the liquid sealing ring (3) between the valve plate (2) and the weak magnet (5), the magnetic sealing check flap valve enters a standby state. Please refer to fig. 5
It can be understood that the utility model should comprehensively consider various resistance factors to carry out detailed design and calculation during actual design and production.
It is understood that the technical solutions and concepts according to the present invention may be equally substituted or modified by those skilled in the art, and all such modifications or substitutions shall fall within the scope of the present invention.
Claims (6)
1. A magnetic sealing check flap valve mainly comprises a valve seat (1), a valve plate (2), a liquid sealing ring (3) and a hinge (4); the method is characterized in that: the upper portion of the valve plate (2) is connected with the valve seat (1) through a hinge (4), the valve plate (2) is made of a rigid light plastic plate with an outer ring embedded with an iron ring, an annular integral weak magnet (5) is arranged at the contact position of the valve seat (1) and the valve plate (2), in the operation process, when the upstream liquid pressure is larger than the sum of the flap valve external pressure and the magnetic force between the valve seat (1) and the valve plate (2), the check flap valve plate (2) is opened, and when the upstream has no liquid pressure or the flap valve external pressure is larger than the upstream liquid pressure, the valve plate (2) of the check flap valve is closed under the action of the gravity and the magnetic force.
2. A magnetically sealed check flap valve as claimed in claim 1, wherein: the valve seat (1) is made of an anti-corrosion firm material and does not react with water chemically.
3. A magnetically sealed check flap valve as claimed in claim 1, wherein: the valve plate (2) is made of a rigid light plastic plate, and an iron ring is embedded in the outer ring of the rigid light plastic plate.
4. A magnetically sealed check flap valve as claimed in claim 1, wherein: the liquid seal ring (3) is made of silica gel which is made of an anti-corrosion material.
5. A magnetically sealed check flap valve as claimed in claim 1, wherein: the hinge (4) is made of an anti-corrosion material and is made of the same material as the valve seat (1).
6. A magnetically sealed check flap valve as claimed in claim 2, wherein: the valve seat (1) is provided with an annular integral weak magnet (5) at the contact part with the valve plate (2), and a liquid sealing ring (3) is arranged outside the weak magnet (5) for protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143311.9U CN215721028U (en) | 2021-01-19 | 2021-01-19 | Magnetic sealing check flap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143311.9U CN215721028U (en) | 2021-01-19 | 2021-01-19 | Magnetic sealing check flap valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721028U true CN215721028U (en) | 2022-02-01 |
Family
ID=79985988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120143311.9U Active CN215721028U (en) | 2021-01-19 | 2021-01-19 | Magnetic sealing check flap valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721028U (en) |
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2021
- 2021-01-19 CN CN202120143311.9U patent/CN215721028U/en active Active
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