Valve with filtering device

Abstract

The utility model relates to the technical field of valves, and discloses a valve with a filter device, which comprises a valve body, a filter barrel is welded at the bottom end of the valve body, a filter screen is fixedly arranged in the filter barrel, the bottom end of the filter barrel is connected with a dirt collecting hopper through a connecting component, the bottom end of the dirt collecting hopper is fixedly connected with a blow-off pipe, and the blow-off pipe is fixedly connected with the filter device. A lantern ring is slidably connected to the surface of the blow-off pipe, a protrusion is arranged on the surface of the lantern ring, a limiting assembly is arranged at the bottom end of the protrusion, and pressing plates are fixedly arranged on the two sides of the lantern ring; the utility model has the beneficial effects that the water flow area can be increased through the filter barrel, the filter barrel can filter impurities in water through the filter screen, the bottom end of the filter barrel is connected with the dirt collecting hopper through the connecting assembly, filtered matters can be precipitated into the dirt collecting hopper, the dirt collecting hopper can store the filtered matters, the flowing of water can be ensured, and the plunger can be opened, so that the filter barrel can be opened. Filtered substances can be discharged under the action of water flow without dismounting the valve body.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a valve with a filtering device. Background Art

[0002] Valves are control components in fluid delivery systems and have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief. Valves used in fluid control systems come in a wide variety of varieties and specifications, from the simplest shut-off valves to the various valves used in extremely complex automatic control systems.

[0003] Its application number is "CN202320453710.4" and disclosed "a valve with a filtering device", which "comprises a valve, the right end of the valve is fixedly connected to a water outlet pipe, the right end of the water outlet pipe is installed with a filtering assembly, the right end of the filtering assembly is installed with a connecting pipe, the filtering assembly comprises a half-shell tube, the left end of the half-shell tube is fixedly connected to the right end of the water outlet pipe, the right end of the half-shell tube is fixedly connected to the left end of the connecting pipe, the bottom of the half-shell tube is fixedly connected with a plurality of hinges, the half-shell tube is connected with a movable shell through the hinges, the top of the half-shell tube is fixedly connected with a supporting block, the top of the movable shell is fixedly connected with a fixed block, the movable shell and the bottom of the half-shell tube are sleeved with a sealing shell, the movable shell and the top of the half-shell tube are sleeved with a protective shell, the surface of the connecting tube is slidably connected with a second snap-on sleeve, the second snap-on sleeve is slidably connected to the outside of the protective shell and the sealing shell, and the inner side of the second snap-on sleeve is fixedly connected with a rubber pad". In the utility model, by arranging the snap sleeve 1, the snap sleeve 2, the movable shell, the half-shell tube, the protective shell and the sealing shell, the filtered deposits can be cleaned and the collecting tube can be sealed back into the movable shell and the half-shell tube again. Through multiple protections, the waterproof performance is enhanced to avoid water leakage after resealing. By arranging the spiral leaves, it can be ensured that the deposits generated by the filtration of the filter plate are basically retained in the collecting tube and will not flow back and float. When cleaning, no excessive amount will remain in the connecting tube.

[0004] However, the above method still has the following defects: the setting of the filter plate and the spiral blades occupies more space on the inner wall of the collection tube. Once debris accumulates, it is easy to cause internal blockage of the collection tube, which will hinder the flow of water and is not convenient for cleaning. The snap sleeve and the sealing shell need to be disassembled to clean the deposits, which is labor-intensive and time-consuming. The valve needs to be closed during the cleaning process, which will affect the normal use of the valve. Utility Model Content

[0005] The utility model aims to provide a valve with a filtering device to solve the problem in the background art that once debris is accumulated, it is easy to cause internal blockage of the collecting pipe and hinder the flow of water.

[0006] The utility model provides the following technical solution: a valve with a filtering device, comprising a valve body, a filter barrel welded to the bottom end of the valve body, a filter screen fixedly arranged inside the filter barrel, the bottom end of the filter barrel is connected to a dirt collecting bucket through a connecting assembly, the bottom end of the dirt collecting bucket is fixedly connected to a sewage pipe, a sleeve is slidably connected to the surface of the sewage pipe, a protrusion is arranged on the surface of the sleeve, a limiting assembly is arranged at the bottom end of the protrusion, pressure plates are fixedly arranged on both sides of the sleeve, a plunger is slidably connected to the inner wall of the sewage pipe, a sealing ring is snap-connected to the surface of the plunger, a support plate is arranged at the bottom end of the plunger, the pressure plate is fixedly connected to the support plate through a guide column, and a spring is sleeved on the surface of the guide column.

[0007] As a preferred technical solution of the utility model, an upper sealing plate is fixedly provided on the top of the filter barrel, a water outlet is opened in the middle of the upper sealing plate, the valve body is welded to the upper sealing plate through the water outlet, a hand wheel is provided on the surface of the valve body, an input pipe is welded to the surface of the filter barrel through the water inlet, and the diameter of the filter barrel is larger than the diameter of the valve body.

[0008] As a preferred technical solution of the utility model, the height of the water inlet is lower than the height of the filter screen, and flanges are welded to the input end of the input pipe and the output end of the valve body.

[0009] As a preferred technical solution of the utility model, the connecting assembly includes a positioning ring and a connecting ring, which are respectively welded to the bottom end of the filter barrel and the top end of the dirt collecting hopper, the top end of the connecting ring is fixedly connected to the bottom end of the positioning ring by a locking bolt, and a recess is provided on the surface of the connecting ring, and a sealing gasket is snap-connected inside the recess.

[0010] As a preferred technical solution of the utility model, the limit assembly includes a support, which is welded to the sewage pipe, and both sides of the top of the support are rotatably connected to the limit block through a rotating shaft, and the bottom end of the limit block is provided with an anti-slip pad, and the top of the limit block overlaps the bottom end of the protrusion.

[0011] As a preferred technical solution of the utility model, the bottom end of the guide column is welded to the top end of the support plate, the top end of the guide column is welded to the bottom end of the pressure plate, and the top end of the spring is overlapped with the bottom end of the pressure plate.

[0012] As a preferred technical solution of the utility model, ear plates are welded to the bottom of both sides of the sewage pipe, the bottom end of the spring overlaps the top end of the ear plate, a column groove is opened on the surface of the ear plate, and the guide column is slidably connected to the column groove.

[0013] As a preferred technical solution of the utility model, a cushion block is welded to the middle of the bottom end of the plunger, and the bottom end of the cushion block is welded to the middle of the top end of the support plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The valve with a filtering device can increase the water flow area through the filter barrel. The filter barrel can filter impurities in the water through the filter screen. The bottom of the filter barrel is connected to a dirt collecting bucket through a connecting component. The filtered matter can be precipitated in the dirt collecting bucket. The dirt collecting bucket can store the filtered matter, which can ensure the flow of the water body. By opening the plunger, the filtered matter can be discharged under the action of the water flow without disassembling the valve body, so the filtered matter can be quickly cleaned, which is convenient for operation and saves manpower and time.

[0016] 2. The valve with a filter device can support the pressure plate through a spring, and the pressure plate can support the plunger through a guide column. The plunger can seal the sewage pipe through a sealing ring, and can support the collar through a limit assembly and a protrusion, so as to prevent the pressure plate from being pressed and causing the plunger to slide. It is safe and reliable. By removing the limit assembly and stopping the limit on the protrusion, the plunger can be pressed down by the pressure plate to facilitate sewage discharge. After the sewage discharge is completed, the spring can push the plunger to reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the sewage pipe of the utility model;

[0021] Figure 5 It is a schematic diagram of the explosion structure of the sewage pipe of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the limit assembly of the utility model.

[0023] In the figure: 1. valve body; 2. input pipe; 3. upper sealing plate; 4. water outlet; 5. water inlet; 6. flange; 7. hand wheel; 8. filter barrel; 9. connecting assembly; 901. positioning ring; 902. locking bolt; 903. connecting ring; 904. depression; 905. sealing gasket; 10. filter screen; 11. sewage collecting hopper; 12. sewage discharge pipe; 13. collar; 14. pressure plate; 15. support plate; 16. plunger; 17. sealing ring; 18. limit assembly; 1801. support; 1802. rotating shaft; 1803. limit block; 1804. anti-skid pad; 19. guide column; 20. spring; 21. protrusion; 22. ear plate; 23. column groove; 24. cushion block. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6 In the embodiment of the utility model, the valve with a filtering device comprises a valve body 1, a filter barrel 8 is welded at the bottom end of the valve body 1, a filter screen 10 is fixedly arranged inside the filter barrel 8, the water flow area can be increased by the filter barrel 8, the filter barrel 8 can filter impurities in the water through the filter screen 10, the bottom end of the filter barrel 8 is connected to a dirt collecting bucket 11 through a connecting assembly 9, the filtered material can be precipitated in the dirt collecting bucket 11, the bottom end of the dirt collecting bucket 11 is fixedly connected to a sewage pipe 12, the surface of the sewage pipe 12 is slidably connected with a collar 13, the surface of the collar 13 is provided with a protrusion 21, the bottom end of the protrusion 21 is provided with a limit assembly 18, both sides of the collar 13 are fixedly provided with a pressing plate 14, the inner wall of the sewage pipe 12 is slidably connected with a plunger 16, the surface of the plunger 16 is snap-connected with a sealing ring 17, the bottom end of the plunger 16 is provided with a supporting plate 15, the pressing plate 14 is fixedly connected to the supporting plate 15 through a guide column 19, and the surface of the guide column 19 is sleeved with a spring 20;

[0026] In this embodiment, preferably, an upper sealing plate 3 is fixedly provided on the top of the filter barrel 8, and the upper sealing plate 3 can be used to block the top of the filter barrel 8. A water outlet 4 is opened in the middle of the upper sealing plate 3, and the valve body 1 is welded to the upper sealing plate 3 through the water outlet 4. A hand wheel 7 is provided on the surface of the valve body 1, and an input pipe 2 is welded on the surface of the filter barrel 8 through the water inlet 5. Water can be supplied through the input pipe 2. The diameter of the filter barrel 8 is larger than the diameter of the valve body 1, and it is not easy to be blocked;

[0027] In this embodiment, preferably, the height of the water inlet 5 is lower than the height of the filter screen 10, and the input end of the input pipe 2 and the output end of the valve body 1 are both welded with a flange 6, and the input pipe 2 and the valve body 1 can be connected to the pipeline through the flange 6;

[0028] In this embodiment, preferably, the connecting assembly 9 includes a positioning ring 901 and a connecting ring 903, the positioning ring 901 and the connecting ring 903 are respectively welded to the bottom end of the filter barrel 8 and the top end of the dirt collecting bucket 11, the top end of the connecting ring 903 is fixedly connected to the bottom end of the positioning ring 901 by a locking bolt 902, a recess 904 is provided on the surface of the connecting ring 903, and a sealing gasket 905 is engaged and connected inside the recess 904. The connecting ring 903 is fixed by the locking bolt 902, and the dirt collecting bucket 11 can be installed and disassembled, and the connecting ring 903 can limit the sealing gasket 905 through the recess 904, and the sealing gasket 905 can seal between the connecting ring 903 and the positioning ring 901;

[0029] In this embodiment, preferably, the limit assembly 18 includes a support 1801, the support 1801 is welded to the sewage pipe 12, both sides of the top of the support 1801 are rotatably connected to the limit block 1803 through the rotating shaft 1802, and the bottom end of the limit block 1803 is provided with an anti-skid pad 1804, the top of the limit block 1803 overlaps the bottom end of the protrusion 21, and the support 1801 can support the limit block 1803, and the limit block 1803 is rotated to the bottom end of the protrusion 21 through the rotating shaft 1802, which can limit the bottom end of the protrusion 21, and can prevent the ring 13 from sliding vertically, which is safe and reliable, and the anti-skid pad 1804 can increase the friction between the limit block 1803 and the support 1801, and the limit block 1803 is not easy to swing at will;

[0030] In this embodiment, preferably, the bottom end of the guide column 19 is welded to the top end of the support plate 15, the top end of the guide column 19 is welded to the bottom end of the pressure plate 14, and the top end of the spring 20 overlaps the bottom end of the pressure plate 14. The guide column 19 can support the pressure plate 14 and the support plate 15, and can limit the spring 20 to prevent the spring 20 from falling off;

[0031] In this embodiment, preferably, ear plates 22 are welded to the bottom of both sides of the sewage pipe 12, the bottom end of the spring 20 overlaps the top end of the ear plate 22, and a column groove 23 is opened on the surface of the ear plate 22. The guide column 19 is slidably connected to the column groove 23. The ear plate 22 can guide the guide column 19 through the column groove 23 and can support the bottom end of the spring 20;

[0032] In this embodiment, preferably, a pad 24 is welded to the middle of the bottom end of the plunger 16, and the bottom end of the pad 24 is welded to the middle of the top end of the support plate 15. The pad 24 can support the bottom end of the plunger 16, so that the plunger 16 can be located inside the sewage pipe 12.

[0033] When in use, first connect the input pipe 2 and the valve body 1 to the pipeline through the flange 6, then open the valve body 1 through the hand wheel 7, and the water body reaches the filter barrel 8 through the input pipe 2. Since the height of the water inlet 5 is lower than the height of the filter screen 10, and the diameter of the filter barrel 8 is larger than the diameter of the valve body 1, the filter screen 10 can filter impurities in the water flow, and the filtered matter can be precipitated in the dirt collecting hopper 11, which can ensure the flow of the water body, and the valve body 1 is not easy to be blocked, which can ensure the normal use of the valve body 1;

[0034] When the filtered material needs to be cleaned, the staff rotates the limit block 1803 through the rotating shaft 1802 of the limit assembly 18 to make it leave the protrusion 21 of the collar 13, and then presses the support plate 15 downward through the pressure plate 14. The pressure plate 14 can compress the spring 20, and the support plate 15 can drive the plunger 16 to descend, and it can be taken out from the sewage pipe 12, so that the sewage pipe 12 can be opened. Under the action of the water flow, the filtered material inside the sewage collecting hopper 11 can be quickly discharged, and it can be quickly cleaned. After the sewage discharge is completed, stop applying pressure to the pressure plate 14, and the spring 20 can push the plunger 16 to reset. After the plunger 16 enters the sewage pipe 12, it can be sealed by the sealing ring 17. Finally, the limit block 1803 is rotated to the bottom end of the protrusion 21 through the rotating shaft 1802, so that the collar 13 can be limited, which can prevent the plunger 16 from sliding when the pressure plate 14 is pressed;

[0035] When it is necessary to clean and repair the inside of the filter barrel 8 and the filter screen 10, the staff loosens the locking bolt 902 of the connecting assembly 9, disassembles the connecting ring 903, removes the dirt collecting hopper 11, and then cleans and repairs the inside of the filter barrel 8 and the filter screen 10.

[0036] 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 valve with a filter device, comprising a valve body (1), characterized in that: A filter barrel (8) is welded to the bottom end of the valve body (1), a filter screen (10) is fixedly arranged inside the filter barrel (8), the bottom end of the filter barrel (8) is connected to a dirt collecting bucket (11) via a connecting assembly (9), the bottom end of the dirt collecting bucket (11) is fixedly connected to a sewage discharge pipe (12), a collar (13) is slidably connected to the surface of the sewage discharge pipe (12), a protrusion (21) is arranged on the surface of the collar (13), and the bottom end of the protrusion (21) is A limit assembly (18) is provided, and pressure plates (14) are fixedly provided on both sides of the collar (13). A plunger (16) is slidably connected to the inner wall of the sewage discharge pipe (12), and a sealing ring (17) is snap-fitted on the surface of the plunger (16). A support plate (15) is provided at the bottom end of the plunger (16), and the pressure plate (14) is fixedly connected to the support plate (15) through a guide column (19), and a spring (20) is sleeved on the surface of the guide column (19).

2. The valve with a filter device according to claim 1, characterized in that: An upper sealing plate (3) is fixedly provided at the top of the filter barrel (8), a water outlet (4) is provided in the middle of the upper sealing plate (3), the valve body (1) is welded to the upper sealing plate (3) via the water outlet (4), a hand wheel (7) is provided on the surface of the valve body (1), an input pipe (2) is welded to the surface of the filter barrel (8) via the water inlet (5), and the diameter of the filter barrel (8) is greater than the diameter of the valve body (1).

3. The valve with a filter device according to claim 2, characterized in that: The height of the water inlet (5) is lower than the height of the filter screen (10), and the input end of the input pipe (2) and the output end of the valve body (1) are both welded with flanges (6).

4. The valve with a filter device according to claim 1, characterized in that: The connecting assembly (9) comprises a positioning ring (901) and a connecting ring (903), wherein the positioning ring (901) and the connecting ring (903) are respectively welded to the bottom end of the filter barrel (8) and the top end of the dirt collecting bucket (11), the top end of the connecting ring (903) is fixedly connected to the bottom end of the positioning ring (901) via a locking bolt (902), a recess (904) is provided on the surface of the connecting ring (903), and a sealing gasket (905) is snap-fitted and connected inside the recess (904).

5. The valve with a filter device according to claim 1, characterized in that: The limit assembly (18) comprises a support (1801), the support (1801) is welded to the sewage pipe (12), both sides of the top of the support (1801) are rotatably connected to the limit block (1803) via a rotating shaft (1802), the bottom end of the limit block (1803) is provided with an anti-slip pad (1804), and the top end of the limit block (1803) overlaps the bottom end of the protrusion (21).

6. The valve with a filter device according to claim 1, characterized in that: The bottom end of the guide column (19) is welded to the top end of the support plate (15), the top end of the guide column (19) is welded to the bottom end of the pressure plate (14), and the top end of the spring (20) is overlapped with the bottom end of the pressure plate (14).

7. The valve with a filter device according to claim 1, characterized in that: Ear plates (22) are welded to the bottom of both sides of the sewage pipe (12), the bottom end of the spring (20) overlaps the top end of the ear plate (22), a column groove (23) is opened on the surface of the ear plate (22), and the guide column (19) is slidably connected to the column groove (23).

8. The valve with a filter device according to claim 1, characterized in that: A cushion block (24) is welded to the middle of the bottom end of the plunger (16), and the bottom end of the cushion block (24) is welded to the middle of the top end of the support plate (15).

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