Anti-blocking flow regulating valve

Abstract

The utility model discloses an anti-blocking type flow regulating valve which comprises a valve body and an executing mechanism installed on the valve body, the lower end of the executing mechanism can drive a valve element to move up and down, an input port and an output port are formed in the two ends of the valve body respectively, and the valve element is connected with a valve seat in the valve body in a matched and clamped mode to achieve closure. A cylinder extending upwards is in threaded connection with the bottom of a valve body, the upper end of the cylinder abuts against the bottom of a valve seat and is in butt joint with the bottom of the valve seat, a plurality of inclined holes are evenly formed in the side wall of the upper portion of the cylinder along the circumference, and spiral blades are fixedly installed on the inner wall of the cylinder and spirally guide rotational flow formed through input of the inclined holes downwards. The upper portion of the cylinder is provided with a conical opening with the diameter decreased, the lower end of the cylinder is provided with internal threads used for being in threaded connection with a bottom cover or a collecting cup, and the valve element is in a big-end-up circular truncated cone shape. The cylinder extending into the valve body is mounted at the bottom of the valve body, water flow is firstly subjected to spiral sedimentation treatment in the cylinder so as to remove dirt and impurities in water, and blockage is reduced while filtration and purification are realized.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to an anti-clogging flow regulating valve. Background Technology

[0002] Control valves are used in water pipes or other media pipelines to regulate process parameters such as flow rate, pressure, temperature, and liquid level in industrial automation process control. After long-term water flow regulation, existing control valves accumulate a large amount of impurities inside, causing blockages that are difficult or impossible to clean. Chinese utility model patent CN222479476U discloses an anti-clogging flow control valve. This valve has a threaded interface below the valve port on the valve body, with a transparent sludge collection cup threaded onto it. During long-term use, impurities accumulate in the transparent sludge collection cup, allowing direct observation of the accumulation. When there are many impurities inside the cup, the operator can simply unscrew it to remove the cup and clean out the impurities. High-pressure air or water can then be used to flush the valve body through the threaded interface, thus improving the blockage situation. However, the above solution also has the following shortcomings: during the use of the regulating valve, dirt and impurities mainly accumulate near the valve seat. Since the water flow does not pass through the dirt collection cup, the dirt collection cup is difficult to effectively collect impurities, so the anti-clogging effect is not ideal. Utility Model Content

[0003] The purpose of this invention is to provide an anti-clogging flow regulating valve to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an anti-clogging flow regulating valve, comprising a valve body and an actuator mounted on the valve body. The lower end of the actuator can drive the valve core to move up and down. The valve body has an inlet and an outlet at both ends, respectively. The valve core is fitted and snapped into the valve seat inside the valve body to achieve shut-off. A cylindrical section extending upward is screwed to the bottom of the valve body. The upper end of the cylindrical section abuts against the bottom of the valve seat and is in contact with it. Multiple oblique holes are evenly provided along the circumference of the upper side wall of the cylindrical section. A spiral blade is fixedly installed on the inner wall of the cylindrical section. The spiral blade guides the swirling flow formed by the input from the oblique holes downward. A tapered opening with a smaller diameter is provided at the upper part of the cylindrical section. An internal thread is provided at the lower end of the cylindrical section for screwing a bottom cover or a collecting cup. The valve core is a frustum shape with a larger upper part and a smaller lower part.

[0005] Preferably, the upper end face of the cylinder is provided with an annular groove and a matching sealing ring is engaged in the annular groove.

[0006] Preferably, the cylinder is provided with a hexagonal head, and the cylinder is screwed in and abuts against the bottom surface of the valve body.

[0007] Preferably, the oblique holes are distributed on the lower side of the conical opening.

[0008] Compared with the prior art, the beneficial effects of this utility model are: a cylinder extending into the bottom of the valve body is installed in this utility model, and the water flow first undergoes spiral sedimentation treatment in the cylinder to remove dirt and impurities in the water, thereby reducing clogging while achieving filtration and purification. Attached Figure Description

[0009] Figure 1 This is a cross-sectional structural diagram of the present invention;

[0010] Figure 2 This is a schematic diagram of the side section structure of the cylinder.

[0011] In the diagram: 1. Valve body; 2. Actuator; 3. Valve core; 4. Inlet; 5. Outlet; 6. Cylinder; 7. Inclined hole; 8. Helical blade; 9. Hexagonal head; 10. Conical opening; 11. Bottom cover. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0013] Please see Figure 1-2 This utility model provides a technical solution: an anti-clogging flow regulating valve, including a valve body 1 and an actuator 2 installed on the valve body 1. The lower end of the actuator 2 can drive the valve core 3 to move up and down. The valve core 3 is a frustum shape with a larger upper part and a smaller lower part. The actuator 2 controls the valve core 3 to adjust the opening degree, thereby realizing the flow regulation. The valve body 1 has an inlet 4 and an outlet 5 at both ends. The valve core 3 is matched and snapped into the valve seat in the valve body 1 to achieve closure and flow control. The bottom of the valve body 1 is screwed with an upwardly extending cylinder 6. The upper end of the cylinder 6 abuts against the bottom of the valve seat and is in contact with it. The upper end face of the cylinder 6 is provided with an annular groove and a matching sealing ring 12 is snapped into the annular groove. After the cylinder 6 is screwed in, it abuts against the bottom surface of the valve body 1. The sealing ring 12 is used to improve the sealing between the cylinder 6 and the valve seat. The cylinder 6 is provided with a hexagonal head 9, which is used for turning with a wrench.

[0014] The upper sidewall of the cylinder 6 is provided with a plurality of oblique holes 7 evenly distributed along the circumference. The inner wall of the cylinder 6 is fixedly installed with a spiral blade 8. The spiral blade 8 guides the swirling spiral formed by the input from the oblique holes 7 downward. The upper part of the cylinder 6 is provided with a tapered opening 10 with a smaller diameter. The oblique holes 7 are distributed on the lower side of the tapered opening 10. The lower end of the cylinder 6 is provided with an internal thread for screwing the bottom cover 11 or the collection cup. After water enters, a swirling flow is formed in the cylinder 6. The dirt and impurities mixed in the water are swirled and settled due to the centrifugal force.

[0015] Working principle: When in use, connect this regulating valve to the pipeline. Water enters from the inlet 4 and flows through the cylinder 6 and valve seat to the outlet. The water enters the interior of the cylinder 6 through the oblique holes 7 at various points around the circumference, forming a swirling flow. Due to the centrifugal force, the dirt and impurities in the water move outward. After colliding with the inner wall of the cylinder 6, the impurities move downward along the spiral blades 8, achieving sedimentation and collection. Therefore, it can effectively remove dirt and impurities from the water and reduce clogging.

[0016] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flow regulating valve with anti-blocking function, comprising a valve body (1) and an actuator (2) installed on the valve body (1), the lower end of the actuator (2) being capable of driving a valve core (3) to move up and down, both ends of the valve body (1) being respectively provided with an input port (4) and an output port (5), the valve core (3) being matched and clamped with a valve seat in the valve body (1) to achieve closing and flow blocking, characterized in that: The bottom of the valve body (1) is screwed with a cylinder (6) which extends upward, the upper end of the cylinder (6) abuts against the bottom of the valve seat and is connected with it, the upper lateral wall of the cylinder (6) is uniformly provided with a plurality of inclined holes (7) along the circumference, the inner wall of the cylinder (6) is fixedly provided with spiral vanes (8), the spiral vanes (8) guide the spiral flow formed by the input from the inclined holes (7) downward, the upper part of the cylinder (6) is provided with a tapered mouth (10) with a smaller diameter, the lower end of the cylinder (6) is provided with internal threads for screwing a bottom cover (11) or a collecting cup, the valve core (3) is a circular truncated cone with a large upper part and a small lower part.

2. The anti-clogging flow regulating valve according to claim 1, characterized in that: The upper end surface of the cylinder (6) is provided with a ring groove and a matched sealing ring (12) is clamped in the ring groove.

3. The anti-clogging flow regulating valve according to claim 1, wherein: The cylinder (6) is provided with a hexagonal head (9), and the cylinder (6) is screwed and installed to abut against the bottom surface of the valve body (1).

4. The anti-clogging flow regulating valve according to claim 1, wherein: The inclined holes (7) are distributed on the lower lateral surface of the tapered mouth (10).

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