Sewage check valve convenient to clean

Abstract

The utility model relates to the technical field of check valves, and discloses a sewage check valve convenient to clean, which comprises a valve pipe, fixing plates are fixedly mounted on two sides of the inner circumference of the valve pipe, a first fixing box is fixedly mounted between the two fixing plates, and a movable hole is formed in one end of the first fixing box. A spring is fixedly installed at one end in the first fixing box, a fixing cover is fixedly installed at one end of the spring, a supporting rod is fixedly installed on one side of the fixing cover and movably arranged in the movable hole, a limiting block is fixedly installed at one end of the supporting rod, and a valve plate is fixedly installed on one side of the fixing cover. An adjusting cylinder is fixedly installed on one side of the valve plate, and a plurality of water permeable grooves are formed in the circumference of the adjusting cylinder at equal intervals. The flow of sewage is controlled through the adjusting cylinder and the adjusting sleeve, sewage attached to the valve plate can be effectively cleaned through the high-pressure spray head, and the service life of the valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of check valves, in particular to a sewage check valve convenient for cleaning. Background Art

[0002] A check valve is an automatic valve used in a pipeline system. Since a check valve only allows fluid to flow in one direction while preventing or restricting flow in the opposite direction and does not require external control during operation, it is used in daily life in water supply pipelines to prevent water pollution and can ensure the correct flow direction of the medium in industry, especially in situations where it is necessary to protect equipment from damage caused by fluid backflow or maintain a specific fluid circulation direction.

[0003] Existing sewage check valves cannot control the size of the sewage flow when used in industrial sewage, and an additional valve for regulating the sewage flow needs to be installed. They cannot effectively clean the sewage attached to the valve plate, reducing the service life of the valve.

[0004] Therefore, a sewage check valve convenient for cleaning is proposed. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a sewage check valve convenient for cleaning, which can effectively solve the problems that existing sewage check valves cannot control the size of the sewage flow and an additional valve for regulating the sewage flow needs to be installed, and that they cannot effectively clean the sewage attached to the valve plate, reducing the service life of the valve.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a sewage check valve convenient for cleaning, including a valve pipe. Fixed plates are fixedly installed on both sides of the inner circumference of the valve pipe. A first fixed box is fixedly installed between the two fixed plates. An activity hole is opened at one end of the first fixed box. A spring is fixedly installed at one end of the first fixed box. A fixed cover is fixedly installed at one end of the spring. A support rod is fixedly installed on one side of the fixed cover, and the support rod is movably arranged in the activity hole. A limit block is fixedly installed at one end of the support rod. A valve plate is fixedly installed on one side of the fixed cover. An adjustment cylinder is fixedly installed on one side of the valve plate. A plurality of water permeable grooves are equidistantly arranged on the circumference of the adjustment cylinder.

[0007] Preferably, a second fixed box is fixedly installed on the valve pipe. A bearing is fixedly sleeved on one side of the second fixed box. A rotating shaft is fixedly installed on the inner ring of the bearing. Threads are provided on the rotating shaft. A hand wheel is fixedly installed at one end of the rotating shaft. The other end of the rotating shaft is rotatably connected to one side of the second fixed box. A fixed block is threadedly connected to the surface of the rotating shaft, and the fixed block is movably arranged in the second fixed box. An adjustment sleeve is fixedly installed at the lower end of the fixed block, and the adjustment sleeve is movably sleeved in the valve pipe.

[0008] Preferably, one side of the valve plate abuts against one side of the adjusting sleeve, and the adjusting cylinder is movably sleeved in the adjusting sleeve.

[0009] Preferably, a plurality of mounting holes are equidistantly formed in the circumference of the valve pipe, and high-pressure nozzles are fixedly installed in the plurality of mounting holes. One ends of the plurality of high-pressure nozzles are fixedly installed with an annular pipe, and the plurality of high-pressure nozzles are all communicated with the inside of the annular pipe. A water delivery pipe is fixedly installed on the annular pipe, and the water delivery pipe is communicated with the inside of the annular pipe.

[0010] Preferably, a drain pipe is fixedly installed at the lower end of the valve pipe, and the drain pipe is communicated with the inside of the valve pipe.

[0011] Preferably, a first flange is fixedly installed at one end of the valve pipe, and a plurality of first screw holes are equidistantly formed in the first flange. A second flange is fixedly installed at the other end of the valve pipe, and a plurality of second screw holes are equidistantly formed in the second flange.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model realizes the control of the sewage flow rate by setting the adjusting cylinder and the adjusting sleeve. When the water pipe at the water inlet end discharges water, the water flow will pass through the valve pipe. When the water flow reaches the valve plate, since the valve plate abuts against one side of the adjusting sleeve, the impact generated by the water flow will exert a pressure on the valve plate. When the valve plate is impacted, the spring connected to one side of the fixed cover will contract into the first fixed box. At the same time, the support rod will slide in the movable hole. At this time, the water through groove on the adjusting cylinder can allow the water flow to pass through and flow out from the other end of the valve pipe to the water pipe at the water outlet end. When the water flow stops, since the valve plate is no longer impacted by the water flow, the spring will rebound, making the valve plate abut against the adjusting sleeve again. The limit block installed at one end of the support rod can prevent the support rod from disengaging from the movable hole during the rebound. When adjusting the water flow rate, the operator rotates the hand wheel by hand, so that the rotating shaft rotates in the bearing. At this time, the fixed block threadedly connected to the rotating shaft will move in the second fixed box, and the movement of the fixed block will drive the adjusting sleeve fixedly installed at the lower end to move in the valve pipe. The adjusting sleeve is adjusted to the fully open position, and the water pipe at the water inlet end is opened to discharge water. At this time, the spring impacted by the water flow will drive the valve plate to contract. Due to the adjustment of the position of the adjusting sleeve, the space for the water flow to pass through the water through groove becomes smaller, thereby adjusting the flow rate of the sewage passing through and realizing the control of the sewage flow rate.

[0014] 2. The utility model can effectively clean the sewage attached to the valve plate through the arranged high-pressure nozzle, increasing the service life of the valve. One end of the water delivery pipe is connected to a pressurized water pump to supply water to the annular pipe, and then the annular pipe supplies water to the high-pressure nozzle. The high-pressure nozzle is obliquely arranged in the installation hole and sprays the cleaning water towards the inner valve plate direction to clean the valve plate, preventing sewage from remaining on the valve plate and causing corrosion to the valve plate. The waste water for cleaning is collected and treated by the drain pipe. Therefore, the sewage attached to the valve plate is effectively cleaned, increasing the service life of the valve.

[0015] Parts not involved in this device are the same as or can be implemented using existing technologies. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the first perspective of a sewage check valve convenient for cleaning according to the utility model.

[0017] Figure 2 It is a schematic structural diagram of the second perspective of a sewage check valve convenient for cleaning according to the utility model.

[0018] Figure 3 It is a schematic structural diagram of the adjusting cylinder of a sewage check valve convenient for cleaning according to the utility model.

[0019] Figure 4 It is a schematic structural diagram of the second fixing box of a sewage check valve convenient for cleaning according to the utility model.

[0020] Figure 5 It is a schematic structural diagram of the annular pipe of a sewage check valve convenient for cleaning according to the utility model.

[0021] Figure 6 It is a schematic diagram of the fully opened position of the adjusting sleeve of a sewage check valve convenient for cleaning according to the utility model.

[0022] Figure 7 It is a sewage check valve convenient for cleaning according to the utility model Figure 6 Schematic diagram of the water flow passing through the adjusting cylinder

[0023] Figure 8 It is a schematic diagram of the position of the adjusting sleeve of a sewage check valve convenient for cleaning after adjustment according to the utility model.

[0024] Figure 9 It is a sewage check valve convenient for cleaning according to the utility model Figure 8 Schematic diagram of the water flow passing through the adjusting cylinder

[0025] Figure 10 It is a schematic diagram of the fully closed state of the adjusting sleeve of a sewage check valve convenient for cleaning according to the utility model.

[0026] In the figure: 1, valve pipe; 2, fixed plate; 3, first fixed box; 4, movable hole; 5, spring; 6, fixed cover; 7, support rod; 8, limit block; 9, valve plate; 10, adjusting cylinder; 11, water permeable groove; 12, second fixed box; 13, bearing; 14, rotating shaft; 15, handwheel; 16, fixed block; 17, adjusting sleeve; 18, mounting hole; 19, high-pressure spray head; 20, annular pipe; 21, water delivery pipe; 22, first flange; 23, first screw hole; 24, second flange; 25, second screw hole; 26, drain pipe. Detailed implementation manner

[0027] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation manners.

[0028] As Figure 1 shown in Figure 2 a sewage check valve convenient for cleaning includes a valve pipe 1. Fixed plates 2 are fixedly installed on both sides of the inner circumference of the valve pipe 1. A first fixed box 3 is fixedly installed between the two fixed plates 2. A movable hole 4 is opened at one end of the first fixed box 3. A spring 5 is fixedly installed at one end inside the first fixed box 3. A fixed cover 6 is fixedly installed at one end of the spring 5. A support rod 7 is fixedly installed on one side of the fixed cover 6, and the support rod 7 is movably arranged in the movable hole 4. A limit block 8 is fixedly installed at one end of the support rod 7. A valve plate 9 is fixedly installed on one side of the fixed cover 6. An adjusting cylinder 10 is fixedly installed on one side of the valve plate 9. A plurality of water permeable grooves 11 are equidistantly arranged on the circumference of the adjusting cylinder 10. By adopting the above technical solution, when water flows through the valve pipe 1, the impact generated by the water flow will apply pressure to the valve plate 9. When the valve plate 9 is impacted, the spring 5 connected to one side of the fixed cover 6 will contract into the first fixed box 3. At the same time, the support rod 7 will slide in the movable hole 4. At this time, the water permeable grooves 11 on the adjusting cylinder 10 can allow the water flow to pass through. When the water flow stops, since the valve plate 9 stops being impacted by the water flow, the spring 5 will rebound, causing the valve plate 9 to return to its original position. The limit block 8 installed at one end of the support rod 7 can prevent the support rod 7 from disengaging from the movable hole 4 during the rebound.

[0029] As Figure 1 shown in Figure 2As shown, a second fixed box 12 is fixedly installed on the valve pipe 1, a bearing 13 is fixedly sleeved on one side of the second fixed box 12, a rotating shaft 14 is fixedly installed on the inner ring of the bearing 13, a thread is arranged on the rotating shaft 14, a hand wheel 15 is fixedly installed on one end of the rotating shaft 14, and the other end of the rotating shaft 14 is rotatably connected to one side of the second fixed box 12, a fixed block 16 is threadedly connected to the surface of the rotating shaft 14, and the fixed block 16 is movably arranged in the second fixed box 12, an adjusting sleeve 17 is fixedly installed on the lower end of the fixed block 16, and the adjusting sleeve 17 is movably sleeved in the valve pipe 1, by adopting the above technical scheme, the hand wheel 15 is manually rotated to make the rotating shaft 14 rotate in the bearing 13, and the fixed block 16 threadedly connected to the rotating shaft 14 will move in the second fixed box 12, and the movement of the fixed block 16 will drive the adjusting sleeve 17 fixedly installed at the lower end to move in the valve pipe 1.

[0030] like Figure 1 and Figure 2 As shown, one side of the valve plate 9 abuts against one side of the regulating sleeve 17 , and the regulating cylinder 10 is movably sleeved in the regulating sleeve 17 . By adopting the above technical solution, the regulating sleeve 17 can adjust the flow rate of water flowing through the regulating sleeve 10 .

[0031] like Figure 1 and Figure 2 As shown, the valve tube 1 is provided with a plurality of mounting holes 18 equidistantly around its circumference, and a plurality of high-pressure nozzles 19 are fixedly mounted in the plurality of mounting holes 18. An annular tube 20 is fixedly mounted on one end of the plurality of high-pressure nozzles 19, and the plurality of high-pressure nozzles 19 are communicated with the interior of the annular tube 20. A water delivery pipe 21 is fixedly mounted on the annular tube 20, and the water delivery pipe 21 is communicated with the interior of the annular tube 20. By adopting the above technical scheme, one end of the water delivery pipe 21 can be connected to a pressurized water pump to supply water to the annular tube 20, and the annular tube 20 then supplies water to the high-pressure nozzles 19. The high-pressure nozzles 19 are obliquely arranged in the mounting holes 18, and the water used for cleaning can be sprayed toward the internal valve plate 9 to clean the valve plate 9, thereby preventing sewage from remaining on the valve plate 9 and corroding the valve plate 9.

[0032] like Figure 1 and Figure 2 As shown, a drain pipe 26 is fixedly installed at the lower end of the valve pipe 1, and the drain pipe 26 is communicated with the inside of the valve pipe 1. By adopting the above technical solution, the drain pipe 26 can collect and process the waste water used for cleaning.

[0033] like Figure 1 and Figure 2As shown in the figure, one end of the valve pipe 1 is fixedly installed with a first flange 22, and a number of first screw holes 23 are equidistantly arranged on the first flange 22. The other end of the valve pipe 1 is fixedly installed with a second flange 24, and a number of second screw holes 25 are equidistantly arranged on the second flange 24. By adopting the above technical solution, the number of first screw holes 23 opened on the first flange 22 can connect the valve pipe 1 with the water inlet end of the external water pipe, and the number of second screw holes 25 opened on the second flange 24 can be connected with the water pipe at the external water outlet end.

[0034] It should be noted that the present utility model is a sewage check valve convenient for cleaning. When in use, first, use screws to fixedly connect with the water inlet end of the external water pipe through a number of first screw holes 23 opened on the first flange 22, and then use screws to connect with the water pipe at the external water outlet end through a number of second screw holes 25 opened on the second flange 24. One end of the water delivery pipe 21 is connected to an external pressurized water pump to supply water to the annular pipe 20. The operator rotates the handwheel 15 by hand, so that the rotating shaft 14 rotates in the bearing 13. At this time, the fixed block 16 threadedly connected with the rotating shaft 14 will move in the second fixed box 12, and the movement of the fixed block 16 will drive the adjusting sleeve 17 fixedly installed at the lower end to move in the valve pipe 1, and the adjusting sleeve 17 is adjusted to the fully open position (as Figure 6 shown).

[0035] When the water pipe at the water inlet end discharges water, the water flow will pass through the valve pipe 1. When the water flow reaches the valve plate 9, since the valve plate 9 abuts against one side of the adjusting sleeve 17, the impact generated by the water flow will apply pressure to the valve plate 9. When the valve plate 9 is impacted, the spring 5 connected to one side of the fixed cover 6 will contract into the first fixed box 3. At the same time, the support rod 7 will slide in the movable hole 4. At this time, the water through groove 11 on the adjusting cylinder 10 can allow the water flow to pass through (as Figure 7 shown) and flow out from the other end of the valve pipe 1 to the water pipe at the water outlet end. When the water flow stops, since the valve plate 9 is no longer impacted by the water flow, the spring 5 will rebound, so that the valve plate 9 abuts against the adjusting sleeve 17 again. The limit block 8 installed at one end of the support rod 7 can prevent the support rod 7 from disengaging from the movable hole 4 during the rebound;

[0036] When it is necessary to adjust different water flow rates, rotate the handwheel 15 to adjust the adjusting sleeve 17 to the required water flow rate position (as Figure 8 shown), and then open the water pipe at the water inlet end to discharge water. At this time, the spring 5 impacted by the water flow will drive the valve plate 9 to contract. Due to the adjustment of the position of the adjusting sleeve 17, the space for the water flow to pass through the water through groove 11 becomes smaller (as Figure 9 shown), thereby adjusting the flow rate of the sewage passing through;

[0037] When it is necessary to clean the inside of the check valve, rotate the handwheel 15 to adjust the adjusting sleeve 17 to the fully closed state on the leftmost side (as Figure 10As shown in the figure, the pressurized water pump connected to the water delivery pipe 21 is turned on to supply water to the annular pipe 20, and then the annular pipe 20 supplies water to the high-pressure nozzle 19. The high-pressure nozzle 19 is inclined and arranged in the mounting hole 18, so that the water for cleaning can be sprayed towards the inner valve plate 9 to clean the valve plate 9, preventing sewage from remaining on the valve plate 9 and causing corrosion to the valve plate 9. The waste water for cleaning is collected and treated by the drain pipe 26. During daily use, the adjusting sleeve 17 can block the position of the mounting hole 18, which only appears when the adjusting sleeve 17 is adjusted to the leftmost fully closed state during cleaning, avoiding the high-pressure nozzle 19 being blocked by sewage during daily use.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage check valve that is easy to clean, comprising a valve tube (1), characterized in that: Fixed plates (2) are fixedly mounted on both sides of the inner circumference of the valve tube (1); a first fixed box (3) is fixedly mounted between the two fixed plates (2); a movable hole (4) is provided at one end of the first fixed box (3); a spring (5) is fixedly mounted at one end of the first fixed box (3); a fixed cover (6) is fixedly mounted at one end of the spring (5); a support rod (7) is fixedly mounted on one side of the fixed cover (6); the support rod (7) is movably arranged in the movable hole (4); a limit block (8) is fixedly mounted on one end of the support rod (7); a valve plate (9) is fixedly mounted on one side of the fixed cover (6); an adjusting cylinder (10) is fixedly mounted on one side of the valve plate (9); and a plurality of water-permeable grooves (11) are equidistantly provided on the circumference of the adjusting cylinder (10).

2. A sewage check valve that is easy to clean according to claim 1, characterized in that: A second fixed box (12) is fixedly mounted on the valve tube (1), a bearing (13) is fixedly sleeved on one side of the second fixed box (12), a rotating shaft (14) is fixedly mounted on the inner ring of the bearing (13), a thread is provided on the rotating shaft (14), a hand wheel (15) is fixedly mounted on one end of the rotating shaft (14), the other end of the rotating shaft (14) is rotatably connected to one side of the second fixed box (12), a fixed block (16) is threadedly connected on the surface of the rotating shaft (14), and the fixed block (16) is movably arranged in the second fixed box (12), an adjusting sleeve (17) is fixedly mounted on the lower end of the fixed block (16), and the adjusting sleeve (17) is movably sleeved in the valve tube (1).

3. A sewage check valve that is easy to clean according to claim 2, characterized in that: One side of the valve plate (9) abuts against one side of the adjustment sleeve (17), and the adjustment cylinder (10) is movably sleeved in the adjustment sleeve (17).

4. The easy-to-clean sewage check valve according to claim 1, characterized in that: The valve tube (1) is provided with a plurality of mounting holes (18) equidistantly arranged around its circumference, a plurality of the mounting holes (18) are fixedly mounted with high-pressure nozzles (19), a plurality of the high-pressure nozzles (19) are fixedly mounted with an annular tube (20) at one end, and the plurality of the high-pressure nozzles (19) are in communication with the interior of the annular tube (20), a water delivery pipe (21) is fixedly mounted on the annular tube (20), and the water delivery pipe (21) is in communication with the interior of the annular tube (20).

5. The easy-to-clean sewage check valve according to claim 4, characterized in that: A drainage pipe (26) is fixedly mounted on the lower end of the valve pipe (1), and the drainage pipe (26) is in communication with the interior of the valve pipe (1).

6. The easy-to-clean sewage check valve according to claim 1, characterized in that: A first flange (22) is fixedly mounted on one end of the valve tube (1), and a plurality of first screw holes (23) are equidistantly formed on the first flange (22); a second flange (24) is fixedly mounted on the other end of the valve tube (1), and a plurality of second screw holes (25) are equidistantly formed on the second flange (24).

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