Anti-blocking flow regulating valve

Abstract

The utility model discloses an anti-blocking flow regulating valve, and relates to the technical field of regulating valves. Comprising a valve body, the bottom of a valve cavity of the valve body is provided with a threaded connector and is in threaded connection with a transparent dirt collecting cup through the threaded connector, a valve port is formed in the valve cavity of the valve body, a graphite winding gasket is installed in the valve port, a valve element is arranged at the valve port, and a valve rod is installed at the top of the valve element. According to the anti-blocking flow regulating valve, the threaded connector is arranged below the valve port of the valve body, and the transparent dirt collecting cup is installed in a threaded mode, in the long-term use process of the regulating valve, impurities accompanying in the regulating valve can be deposited in the transparent dirt collecting cup, the deposition condition of the impurities can be directly observed through the transparent dirt collecting cup, and when the impurities in the cup body are too many, the transparent dirt collecting cup can be directly observed through the transparent dirt collecting cup. A worker only needs to screw the cup body to disassemble the cup body, so that internal impurities are cleaned out, high-pressure air or water can be used for flushing the inner cavity of the valve body through the threaded connector, and therefore the blocking condition is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of regulating valves, in particular to an anti-blocking flow regulating valve. Background Art

[0002] Regulating valves are used to connect to domestic water pipes or other media pipelines. They are used to adjust process parameters such as medium flow, pressure, temperature, liquid level, etc. in the field of industrial automation process control. According to the control signal in the automation system, the valve opening is automatically adjusted to achieve the regulation of medium flow, pressure, temperature and liquid level. It is a control valve.

[0003] After the existing regulating valve has been regulating the water flow for a long time, a large amount of impurities will accumulate inside the regulating valve. These impurities will cause blockage inside the regulating valve, making it impossible for water to flow through the regulating valve, thereby failing to achieve the water flow regulation function. At the same time, these impurities will also reduce the service life of the regulating valve. Utility Model Content

[0004] The utility model provides an anti-blocking flow regulating valve to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blockage-proof flow regulating valve, comprising a valve body, a threaded interface is provided at the bottom of the valve cavity of the valve body, and a transparent dirt collecting cup is threadedly connected through the threaded interface, a valve port is provided in the valve cavity of the valve body, and a graphite wound gasket is installed in the valve port, a valve core is provided at the valve port, and a valve stem is installed on the top of the valve core, a valve cover is installed on the top of the valve body through stud bolts, a guide sleeve is embedded in the valve cover, the upper part of the valve core is located in the guide sleeve, the top of the valve stem protrudes outward from the valve cover, and a sealing packing and a packing gland are respectively provided in the valve cover, and the sealing packing is between the valve cover and the valve stem.

[0006] Furthermore, a medium inlet is provided on the left side of the valve body, and a medium outlet is provided on the right side thereof.

[0007] Furthermore, a first sealing gasket is mounted on the cup mouth of the transparent dirt collecting cup, and the first sealing gasket is located between the cup mouth of the transparent dirt collecting cup and the threaded interface.

[0008] Furthermore, the threaded interface is located directly below the valve port, and the graphite wound gasket is located between the valve port and the valve core.

[0009] Furthermore, a second sealing gasket is sleeved on the bottom end of the valve cover, and the second sealing gasket is interposed between the bottom end of the valve cover and the valve body.

[0010] Furthermore, the upper part of the valve core slides in the guide sleeve, and the packing gland is pressed and held above the sealing packing.

[0011] Compared with the prior art, the utility model provides an anti-blocking flow control valve, which has the following beneficial effects:

[0012] The anti-blocking flow regulating valve is provided with a threaded interface below the valve port of the valve body, and a transparent dirt collecting cup is threadedly installed. During the long-term use of the regulating valve, impurities inside the valve will be deposited in the transparent dirt collecting cup. The deposition of impurities can be directly observed through the transparent dirt collecting cup. When there are many impurities inside the cup body, the staff only needs to unscrew the cup body to remove it, thereby cleaning out the internal impurities, and can use high-pressure air or water to flush the inner cavity of the valve body through the threaded interface, thereby improving the blockage situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is an exploded view of the utility model.

[0016] In the figure: 1. valve body; 2. threaded interface; 3. transparent dirt collecting cup; 4. valve port; 5. graphite spiral wound gasket; 6. valve core; 7. valve stem; 8. valve cover; 9. guide sleeve; 10. sealing packing; 11. packing gland; 12. medium inlet; 13. medium outlet; 14. first sealing gasket; 15. second sealing gasket. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 3The utility model discloses an anti-blocking flow regulating valve, comprising a valve body 1, a threaded interface 2 is provided at the bottom of the valve cavity of the valve body 1, and a transparent dirt collecting cup 3 is threadedly connected through the threaded interface 2, a valve port 4 is provided in the valve cavity of the valve body 1, and a graphite spiral wound gasket 5 is installed in the valve port 4, a valve core 6 is provided at the valve port 4, and a valve stem 7 is installed on the top of the valve core 6, a valve cover 8 is installed on the top of the valve body 1 through stud bolts, a guide sleeve 9 is embedded in the valve cover 8, the upper part of the valve core 6 is located in the guide sleeve 9, the top end of the valve stem 7 protrudes outward from the valve cover 8, and the valve cover 8 is provided with a valve rod 7. A sealing packing 10 and a packing gland 11 are respectively provided, and the sealing packing 10 is between the valve cover 8 and the valve stem 7. A threaded interface 2 is provided below the valve port 4 of the valve body 1, and a transparent dirt collecting cup 3 is threadedly installed. During the long-term use of the regulating valve, impurities inside the regulating valve will be deposited in the transparent dirt collecting cup 3. The deposition of impurities can be directly observed through the transparent dirt collecting cup 3. When there are many impurities inside the cup body, the staff only needs to unscrew the cup body to remove it, thereby cleaning out the internal impurities, and can use high-pressure air or water to flush the inner cavity of the valve body 1 through the threaded interface 2, thereby improving the blockage.

[0019] Specifically, a medium inlet 12 is provided on the left side of the valve body 1 , and a medium outlet 13 is provided on the right side thereof.

[0020] In this embodiment, the circulating medium flows in from the medium inlet 12 and flows out from the medium outlet 13 .

[0021] Specifically, a first sealing gasket 14 is mounted on the cup mouth of the transparent dirt collecting cup 3 , and the first sealing gasket 14 is located between the cup mouth of the transparent dirt collecting cup 3 and the threaded interface 2 .

[0022] In this embodiment, the first sealing gasket 14 is a sealing spare part used in machinery, equipment, and pipelines as long as there is fluid. Its main function is to fill or cover the gaps between objects to prevent fluid, gas or dust from passing through and achieve a sealing effect.

[0023] Specifically, the threaded interface 2 is located directly below the valve port 4 , and the graphite wound gasket 5 is located between the valve port 4 and the valve core 6 .

[0024] In this embodiment, the graphite wound gasket 5 has excellent sealing performance, can effectively prevent fluid leakage, ensure stable operation of the equipment, has the advantages of high strength, good compression elasticity, strong wear resistance and pressure resistance, and can meet the strict requirements of various equipment.

[0025] Specifically, a second sealing gasket 15 is sleeved on the bottom end of the valve cover 8 , and the second sealing gasket 15 is interposed between the bottom end of the valve cover 8 and the valve body 1 .

[0026] In this embodiment, the second sealing gasket 15 is a sealing spare part used in machinery, equipment, and pipelines as long as there is fluid. Its main function is to fill or cover the gaps between objects to prevent fluid, gas or dust from passing through and achieve a sealing effect.

[0027] Specifically, the upper portion of the valve core 6 slides in the guide sleeve 9 , and the packing gland 11 is pressed on the top of the sealing packing 10 .

[0028] In this embodiment, the guide sleeve 9 is an important component of the regulating valve, which is usually made of copper, iron, aluminum and other materials. Its function is to guide the movement direction of the valve core 6 and control the flow direction of the fluid, thereby achieving flow regulation and control.

[0029] When in use, a threaded interface 2 is provided below the valve port 4 of the valve body 1, and a transparent dirt collecting cup 3 is threadedly installed. During the long-term use of the regulating valve, impurities inside the regulating valve will be deposited in the transparent dirt collecting cup 3, and the deposition of impurities can be directly observed through the transparent dirt collecting cup 3. When there are many impurities inside the cup body, the staff only needs to unscrew the cup body to remove it, thereby cleaning out the internal impurities, and can use high-pressure air or water to flush the inner cavity of the valve body 1 through the threaded interface 2, thereby improving the blockage.

[0030] To sum up, the anti-blocking flow regulating valve is provided with a threaded interface 2 below the valve port 4 of the valve body 1, and a transparent dirt collecting cup 3 is threadedly installed. During the long-term use of the regulating valve, impurities inside it will be deposited in the transparent dirt collecting cup 3, and the deposition of impurities can be directly observed through the transparent dirt collecting cup 3. When there are many impurities inside the cup body, the staff only needs to unscrew the cup body to remove it, so as to clean out the internal impurities, and can use high-pressure air or water to flush the inner cavity of the valve body 1 through the threaded interface 2, so as to improve the blockage.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flow control valve with an anti-blocking function, comprising a valve body (1), characterized in that: A threaded interface (2) is provided at the bottom of the valve cavity of the valve body (1), and a transparent dirt collecting cup (3) is threadedly connected via the threaded interface (2); a valve port (4) is provided in the valve cavity of the valve body (1), and a graphite spiral wound gasket (5) is installed in the valve port (4); a valve core (6) is provided at the valve port (4), and a valve stem (7) is installed on the top of the valve core (6); a valve cover (8) is installed on the top of the valve body (1) via stud bolts, a guide sleeve (9) is embedded in the valve cover (8), the upper part of the valve core (6) is located in the guide sleeve (9), the top of the valve stem (7) protrudes outward from the valve cover (8), and a sealing packing (10) and a packing gland (11) are respectively provided in the valve cover (8), and the sealing packing (10) is between the valve cover (8) and the valve stem (7).

2. The anti-blocking flow control valve according to claim 1 is characterized in that: The left side of the valve body (1) is provided with a medium inlet (12), and the right side thereof is provided with a medium outlet (13).

3. The anti-blocking flow control valve according to claim 1 is characterized in that: A first sealing gasket (14) is mounted on the cup opening of the transparent dirt collecting cup (3), and the first sealing gasket (14) is located between the cup opening of the transparent dirt collecting cup (3) and the threaded interface (2).

4. The anti-blocking flow control valve according to claim 1, characterized in that: The threaded interface (2) is located directly below the valve port (4), and the graphite wound gasket (5) is located between the valve port (4) and the valve core (6).

5. The anti-blocking flow control valve according to claim 1, characterized in that: The bottom end of the valve cover (8) is sleeved with a second sealing gasket (15), and the second sealing gasket (15) is located between the bottom end of the valve cover (8) and the valve body (1).

6. The anti-blocking flow control valve according to claim 1, characterized in that: The upper part of the valve core (6) slides in the guide sleeve (9), and the packing gland (11) is pressed on the top of the sealing packing (10).

Images