Anti-blocking check valve

Abstract

The utility model discloses an anti-blocking check valve, which belongs to the related technical field of check valves, aims to solve the problem that a filter screen is usually difficult to take down due to unreasonable design of a mounting structure in the prior art, and comprises a valve body, a shell is connected onto the valve body, a plate body movably penetrates through the shell, one end of the plate body is provided with a groove body, and the other end of the plate body is provided with a baffle. A screen plate is connected into the groove body, the plate body is pushed into the shell, a bolt is screwed in to fix the plate body, when the valve body is put into work, a fluid medium flows through the position under pressure driving, the screen plate intercepts various impurities carried in the medium to a certain degree, the impurities are prevented from entering key components in the valve body from the source, and then the blocking risk is remarkably reduced. And the operation smoothness of the valve body is ensured. In the subsequent maintenance and cleaning process, the whole valve body does not need to be disassembled on a large scale, a worker can conveniently clean accumulated impurities only through simple operation, and the convenience of daily use of the check valve is improved to a great extent.

Description

Technical Field

[0001] This utility model belongs to the technical field of check valves, and more specifically, it relates to a check valve that prevents clogging. Background Technology

[0002] A check valve typically consists of two parts: the valve body and the valve disc. The valve body is usually made of high-strength, corrosion-resistant materials, such as stainless steel or copper alloys, to ensure the service life of the check valve in various harsh environments. The valve disc is the key component of the check valve, and its movement determines the type of check valve. Common valve disc movement methods include lift-type and swing-type.

[0003] Existing check valves typically employ a filter screen at the inlet to prevent clogging. These filters are generally made of stainless steel wire mesh or other corrosion-resistant metal wire mesh, with the mesh size determined by the specific application requirements. They effectively filter out solid particles and impurities from the medium, preventing them from entering the valve body and causing blockages. However, in actual use, due to their inadequate installation design, these filters are often extremely difficult to remove. Cleaning, maintenance, or replacement of the filter often requires significant time and effort, and the process is extremely cumbersome and complex, sometimes even requiring specialized tools. This causes considerable inconvenience to the user and affects the ease of use and efficiency of the check valve. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an anti-clogging check valve to solve the technical problem that in existing technologies, when it is necessary to clean, maintain or replace the filter screen, a lot of time and effort are often required, the operation process is extremely cumbersome and complicated, and sometimes even special tools are needed, which to a certain extent causes great inconvenience to users and affects the convenience and efficiency of the check valve.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a check valve for preventing blockage, comprising a valve body, a housing connected to the valve body, a plate movably passing through the housing, a groove being formed at one end of the plate, a mesh plate being connected to the groove, a hole being formed on the plate, an opening being formed at one end of the housing, a baffle plate movably passing through the opening, and a bolt being threadedly connected to the housing, the bolt being threadedly connected to the hole.

[0006] As a preferred embodiment of this utility model, one end of the baffle is an inclined surface, and both ends of the baffle are connected to springs, with one end of each set of springs connected to the housing.

[0007] As a preferred embodiment of this utility model, one end of the bolt is connected to a knob.

[0008] As a preferred embodiment of this utility model, a sealing gasket is adhered to the joint between the plate and the shell.

[0009] As a preferred embodiment of this utility model, a handle is connected to one end of the plate.

[0010] As a preferred embodiment of this utility model, a sealing gasket is adhered to the part where the baffle and the mouth body fit together.

[0011] This utility model provides a check valve that prevents clogging, and has the following beneficial effects:

[0012] 1. This new type of valve uses bolts, a plate, and a mesh plate to work together. The plate is pushed into the housing and secured with bolts. The mesh plate is typically made of corrosion-resistant metal mesh, with the mesh size selected based on specific requirements. When the valve is in operation, the fluid medium flows through this area under pressure. The mesh plate intercepts various impurities carried in the medium, such as solid particles and fibrous debris, preventing these impurities from entering critical components inside the valve body. This significantly reduces the risk of blockage and ensures smooth valve operation. Simultaneously, the intercepted impurities accumulate in a specially designed tank under the impact of water flow and gravity. During subsequent maintenance and cleaning, there is no need for extensive disassembly of the entire valve body. Operators can easily clean the accumulated impurities with simple operations, greatly improving the convenience of daily use of the check valve.

[0013] 2. Through the cooperation between the baffle, spring and mouth, during the process of pushing the plate in, the plate contacts the inclined surface of the baffle, causing the baffle to move upward. When the plate is pulled out, under the action of the spring, the baffle moves into the shell, which to a certain extent avoids water overflow when cleaning the screen and has a wide range of applications. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 for Figure 1 Cross-sectional structural diagram of the middle shell, plate and grip;

[0016] Figure 3 for Figure 2 Schematic diagram of the structure of the perforated body, the groove, and the mesh plate;

[0017] Figure 4 for Figure 1 A schematic diagram of the structure of the middle baffle and the spring.

[0018] In the diagram: 1. Valve body; 2. Housing; 3. Plate; 4. Groove; 5. Mesh plate; 6. Inlet; 7. Baffle; 8. Spring; 9. Hole; 10. Bolt; 11. Knob; 12. Sealing gasket one; 13. Handle; 14. Sealing gasket two. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0020] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1 to 4This utility model provides a technical solution: an anti-clogging check valve, including a valve body 1, which can be connected to equipment such as a water pipe or water pump. A housing 2 is connected to the valve body 1, and a plate 3 is movably inserted through the housing 2. One end of the plate 3 is arc-shaped and fits into the inner wall of the valve body 1. A groove 4 is opened at one end of the plate 3, which can be used to accumulate impurities to a certain extent. A mesh plate 5 is connected inside the groove 4, and a mesh plate 5 with a suitable mesh size can be selected according to actual needs. A hole 9 is opened on the plate 3, which is a threaded hole that fits into the thread of a bolt 10. An opening 6 is opened at one end of the housing 2. A baffle 7 runs through the interior of valve 6, and bolts 10 are threaded onto the housing 2. Bolts 10 are threaded onto the bore 9. When fluid medium is conveyed through valve body 1, the mesh plate 5 traps impurities in the fluid medium. At the same time, impurities accumulate in the tank 4 under the flushing effect of the fluid medium. Bolts 10 can be unscrewed to remove the fixation of plate 3, and plate 3 can be pulled out to clean the impurities in the tank 4 and clean the mesh plate 5 with a suitable cleaning medium. This prevents the mesh holes of the mesh plate 5 from clogging and affecting the conveying of fluid medium by valve body 1. To a certain extent, cleaning the mesh plate 5 is relatively simple and improves the convenience of use.

[0023] The baffle 7 has an inclined surface at one end, and springs 8 are connected to both ends of the baffle 7. The springs 8 exert a force on the baffle 7 to move into the housing 2. Both sets of springs 8 are connected to the housing 2 at one end. When the plate 3 is pulled out, the plate 3 moves a certain distance and then disengages from the baffle 7. Under the action of the springs 8, the baffle 7 moves into the housing 2, which to a certain extent prevents the fluid medium from flowing out from the opening at one end of the housing 2 when cleaning the mesh plate 5. It has a wide range of applications to a certain extent.

[0024] One end of the bolt 10 is connected to a knob 11, which makes it easier to rotate the bolt 10 to a certain extent.

[0025] Among them, a sealing gasket 12 is adhered to the joint between the plate 3 and the housing 2. The sealing gasket 12 prevents the fluid medium from overflowing from the joint between the plate 3 and the housing 2 when the plate 3 is placed inside the housing 2, thereby improving the sealing performance of the valve body 1 to a certain extent.

[0026] One end of the plate 3 is connected to a handle 13, which makes it easier to pull out the plate 3 and thus facilitates cleaning of the mesh plate 5.

[0027] Among them, a sealing gasket 2 14 is adhered at the joint between the baffle 7 and the port body 6. The sealing gasket 2 14 can, to a certain extent, prevent the fluid medium from overflowing from the joint between the baffle 7 and the port body 6 when the baffle 7 moves into the interior of the housing 2, thereby improving the sealing performance of the valve body 1 to a certain extent.

[0028] The specific usage and function of this embodiment are as follows:

[0029] In use, the valve body 1 is connected to equipment such as water pipes. When the fluid medium begins to flow into the valve body 1, it first comes into contact with the mesh plate 5 in the groove 4 installed on the plate 3. This mesh plate 5 is made of corrosion-resistant metal material, and the size of its mesh is selected according to actual usage requirements, intercepting impurities of different sizes to a certain extent. Under the continuous flushing of the fluid medium, the solid particles, fibrous debris, and other impurities intercepted by the mesh plate 5 will gradually accumulate in the groove 4 on the plate 3 along the direction of water flow. In this way, direct contact between impurities and key devices such as the valve disc is successfully avoided, eliminating the problem of valve body 1 blockage caused by impurities from the root, and ensuring the stable and efficient operation of the check valve. As the usage time increases, more and more impurities will accumulate in the groove 4, and a large amount of impurities may also adhere to the mesh plate 5, affecting the normal flow of the fluid medium. At this time, the check valve needs to be cleaned and maintained. In specific operation, the operator unscrews the bolt 10 screwed into the hole 9 on the plate 3. After bolt 10 is unscrewed, plate 3 is no longer restricted and can be easily pulled out of housing 2. After plate 3 is removed, workers can easily clean the accumulated impurities in tank 4 and rinse screen 5 with clean water or other suitable cleaning media to remove impurities adhering to it, restoring its good filtration performance and ensuring smooth flow of fluid media. Simultaneously, when plate 3 is pulled out, spring 8, which was originally compressed, quickly returns to its elastic deformation. Under the force of spring 8, baffle 7 moves into housing 2, blocking the opening of housing 2. This design largely prevents excessive water overflow from the opening of housing 2 when cleaning screen 5, and has a wide range of applicability.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A check valve designed to prevent clogging, characterized in that: The device includes a valve body (1), a housing (2) connected to the valve body (1), a plate (3) that moves through the housing (2), a groove (4) at one end of the plate (3), a mesh plate (5) connected to the groove (4), a hole (9) on the plate (3), an opening (6) at one end of the housing (2), a baffle (7) that moves through the opening (6), and a bolt (10) threadedly connected to the housing (2), the bolt (10) being threadedly connected to the hole (9).

2. The anti-clogging check valve according to claim 1, characterized in that: One end of the baffle (7) is an inclined surface, and both ends of the baffle (7) are connected to springs (8). One end of each set of springs (8) is connected to the housing (2).

3. The anti-clogging check valve according to claim 1, characterized in that: A knob (11) is connected to one end of the bolt (10).

4. The anti-clogging check valve according to claim 1, characterized in that: A sealing gasket (12) is adhered to the joint between the plate (3) and the shell (2).

5. The anti-clogging check valve according to claim 1, characterized in that: A handle (13) is connected to one end of the plate (3).

6. The anti-clogging check valve according to claim 1, characterized in that: A sealing gasket (14) is adhered to the joint between the baffle (7) and the mouth body (6).

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