Household non-return sealing stop valve

Abstract

The invention relates to the technical field of stop valves, in particular to a household non-return sealing stop valve which comprises a stop valve body, a valve rod is arranged on the stop valve body in a penetrating and threaded connection mode, a sealing seat is arranged at the end, located in the stop valve body, of the stop valve body in a rotating connection mode, and a flushing spray pipe is arranged on the sealing seat in a rotating connection mode. Fixing seats are fixedly connected to the positions, located on the outer surfaces of the sealing plates, of the two ends of the stop valve body, a liquid storage seat is fixedly connected to one of the fixing seats, the flushing spray pipe and the extending spray pipe are driven by a motor to rotate, and a cleaning agent and water flow can be sprayed out from multiple angles; the stop valve has the advantages that vortex is formed, liquid in the valve body is effectively stirred, attached grease and dirt can be stirred and taken away, the influence of the grease and the dirt on the valve is effectively reduced, the service life of the valve is prolonged, the problem of the grease in a kitchen sewer can be effectively solved, and the good operation state of the stop valve is kept.

Description

Technical Field

[0001] The invention relates to the technical field of stop valves, in particular to a household non-return sealing stop valve. Background Art

[0002] The household non-return sealing stop valve is a valve commonly used in household water supply and drainage systems. It is mainly used to prevent water backflow and control the opening and closing of water flow. Its design aims to improve the safety and reliability of the system.

[0003] Main features: Anti-return function: prevent water flow from reversing and avoid damage to pipes and equipment caused by backflow. Sealing performance: ensure that there is no water leakage in the closed state through sealing materials to ensure the sealing of the system.

[0004] Application scenarios: Home water supply system: used to connect water pipes and faucets to ensure the correct direction of water flow. Hot water system: prevent hot water backflow and protect water heater equipment. Drainage system: prevent sewage backflow and maintain the hygiene and safety of the home drainage system.

[0005] When the existing stop valve is used in the kitchen sewer, since there will be a large amount of grease in the kitchen drainage, the grease may solidify on the valve disc and sealing surface of the stop valve when passing through the stop valve, making it difficult to completely close or open the valve. The accumulation of grease may cause the sealing performance of the valve to deteriorate, increasing the risk of water leakage.

[0006] In summary, the prior art lacks a technology for automatically cleaning grease from a stop valve used in a kitchen sewer. Summary of the invention

[0007] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a household non-return sealing stop valve.

[0008] In order to achieve the above purpose, the technical solution adopted by the present invention is: a household non-return sealing stop valve, including a stop valve body, a valve stem is threadedly connected to the stop valve body, one end of the stop valve body located in the stop valve body is rotatably connected to a sealing seat, a flushing nozzle is rotatably connected to the sealing seat, a valve disc is arranged on the outside of the flushing nozzle, a liquid extraction seat is fixedly connected to the outer surface of one side of the stop valve body, sealing plates are rotatably connected to the inner walls at both ends of the stop valve body, and fixed seats are connected to the outer surfaces of the two ends of the stop valve body located at the sealing plates, and a liquid storage seat is fixedly connected to one of the fixed seats.

[0009] Preferably, a solenoid valve is fixedly connected to and penetrated through the outer wall of the upper end of the stop valve body.

[0010] Preferably, a motor is fixedly connected inside the sealing seat, the sealing seat is slidingly matched with the inner wall of the shut-off valve body, the output end of the motor extends through the inner wall of the sealing seat to the outside and is fixedly connected to a driving wheel, and a connecting pipe is fixedly connected through the sealing seat.

[0011] Preferably, a fixing frame is connected and fixedly arranged on the valve flap, the fixing frame is connected and fixedly arranged on the flushing nozzle, and an annular rack is connected and fixedly arranged on the fixing frame.

[0012] Preferably, the top end of the flushing nozzle passes through a fixed frame and is rotatably connected to one end of a connecting pipe, a driven wheel is fixedly connected to the top end of the flushing nozzle, the driven wheel is meshed with a driving wheel for transmission, an extension nozzle is slidingly provided on the outer wall of the bottom end of the flushing nozzle, the other end of the extension nozzle penetrates and slides through the inner wall of the valve disc, an electric push rod A is fixedly connected to the inner wall of the flushing nozzle, and the other end of the electric push rod A is fixedly connected to the inner wall of the extension nozzle.

[0013] Preferably, the input end of the pumping seat is connected and fixedly provided with a water pumping pipe, the other end of the water pumping pipe extends into the shut-off valve body, the output end of the pumping seat extends to the inner wall of the shut-off valve body and is connected and fixedly provided with a bellows, the other end of the bellows is connected and fixedly provided with the other end of the connecting pipe, an impeller is rotatably connected inside the pumping seat, one end of the impeller extends into the shut-off valve body and is connected and fixedly provided with a universal joint, the other end of the universal joint is connected and fixedly provided with the inner wall of the shut-off valve body, a transmission wheel is connected and fixedly provided on the universal joint, and the transmission wheel is meshed with an annular rack for transmission.

[0014] Preferably, a plurality of electric heating wires are fixedly installed on the inner wall of the sealing plate, a rotating shaft is fixedly installed at one end of the sealing plate, the other end of the rotating shaft is rotatably connected to the inner wall of the shut-off valve body, an adjusting wheel is fixedly installed at the outer end of the rotating shaft, and a worm is fixedly installed at the outer end of the rotating shaft.

[0015] Preferably, an electric push rod B is connected and fixedly arranged on the fixing seat, an adjusting rack is connected and fixedly arranged on the output end of the electric push rod B, and the adjusting rack is meshed and transmission-arranged with the adjusting wheel.

[0016] Preferably, a liquid adding tube is connected and fixedly arranged on the bottom end of one side of the liquid storage seat, a baffle cover is connected and fixedly arranged on the other end of the liquid adding tube, a liquid guide tube is connected and fixedly arranged on the output end of the baffle cover, the other end of the liquid guide tube is connected and fixedly arranged on the inner wall of the stop valve body, a rotating block is rotatably connected inside the baffle cover, a liquid storage tank is provided on the rotating block, one end of the rotating block extends through the inner wall of the baffle cover to the outside and is connected and fixedly arranged with a worm gear, and the worm gear is meshingly transmitted with a worm.

[0017] Compared with the prior art, the present invention has the following beneficial effects: By setting the flushing nozzle and the extension nozzle, the flushing nozzle and the extension nozzle can rotate under the drive of the motor, and can spray cleaning agent and water from multiple angles to form a vortex, effectively stirring the liquid in the valve body, and can stir and take away the attached grease and dirt, effectively reducing the impact of grease and dirt on the valve, thereby extending the service life of the valve, and can effectively deal with the grease problem in the kitchen sewer, and maintain the good operating condition of the stop valve; By setting a pumping seat, the impeller will be driven to rotate while the flushing nozzle is rotating to flush, so that the water containing the cleaning agent at the bottom of the stop valve body is pumped out and sprayed out through the flushing nozzle, thereby enhancing the fluidity and cleaning effect of the water flow, realizing cyclic cleaning, effectively improving the cleaning efficiency of the stop valve in the kitchen sewer, reducing the difficulty of maintenance, and ensuring the long-term stable operation of the stop valve body; By setting a sealing plate, both ends of the stop valve body can be sealed when cleaning the stop valve body, and at the same time, the rotating block can be driven to rotate, and a proper amount of cleaning agent can be injected into the stop valve body. Then, the water injected into the stop valve body is heated to soak the inner wall of the stop valve body, fully soften and dissolve the grease on the inner wall of the valve body. Hot water helps to dissolve the grease and accelerate its removal, which can significantly improve the cleaning effect of the stop valve in the kitchen sewer, reduce the risk of grease accumulation, and ensure the normal operation of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a household non-return sealing stop valve of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of a household non-return sealing stop valve of the present invention; Figure 3 It is a schematic cross-sectional view of the valve body structure of a household non-return sealing stop valve of the present invention; Figure 4 It is a cross-sectional schematic diagram of a sealing seat structure of a household non-return sealing stop valve according to the present invention; Figure 5 It is a schematic diagram of the valve disc structure of a household non-return sealing stop valve of the present invention; Figure 6 It is a schematic diagram of the structure of a flushing nozzle of a household non-return sealing stop valve according to the present invention; Figure 7 It is a cross-sectional schematic diagram of the structure of a liquid extraction seat of a household non-return sealing stop valve according to the present invention; Figure 8 It is a cross-sectional schematic diagram of a sealing plate and a fixing seat structure of a household non-return sealing stop valve of the present invention; Fig. 9The present invention is a schematic cross-sectional view of a liquid storage seat structure of a household non-return sealing stop valve.

[0019] 1. Stop valve body; 2. Valve stem; 3. Sealing seat; 4. Flushing nozzle; 5. Valve disc; 6. Liquid extraction seat; 7. Sealing plate; 8. Fixed seat; 9. Liquid storage seat; 101. Solenoid valve; 301. Motor; 302. Driving wheel; 303. Connecting pipe; 501. Fixed frame; 502. Ring rack; 401. Driven wheel; 402. Extension nozzle; 403. Electric push rod A; 60 1. Water pump; 602. Bellows; 603. Impeller; 604. Universal joint; 605. Transmission wheel; 701. Electric heating wire; 702. Rotating shaft; 703. Adjusting wheel; 704. Worm; 801. Electric push rod B; 802. Adjusting rack; 901. Liquid adding pipe; 902. Shield; 903. Liquid guiding pipe; 904. Rotating block; 905. Liquid storage tank; 906. Worm wheel. DETAILED DESCRIPTION

[0020] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0021] like Figure 1-Figure 9 A household non-return sealing stop valve shown in the figure comprises a stop valve body 1, a valve stem 2 is threadedly connected to the stop valve body 1, a sealing seat 3 is rotatably connected to one end of the stop valve body 1 located inside the stop valve body 1, a flushing nozzle 4 is rotatably connected to the sealing seat 3, a valve disc 5 is arranged on the outer side of the flushing nozzle 4, a liquid extraction seat 6 is fixedly connected to the outer surface of one side of the stop valve body 1, sealing plates 7 are rotatably connected to the inner walls at both ends of the stop valve body 1, and fixed seats 8 are connected and fixed to the outer surfaces of the two ends of the stop valve body 1 at the sealing plates 7, and a liquid storage seat 9 is fixedly connected to one of the fixed seats 8.

[0022] like Figure 3 As shown, the outer wall of the upper end of the stop valve body 1 is connected and fixedly provided with a solenoid valve 101. When the solenoid valve 101 is opened, a proper amount of water is injected into the stop valve body 1.

[0023] like Figure 4 As shown, a motor 301 is connected and fixedly arranged in the sealing seat 3, the sealing seat 3 is slidably matched with the inner wall of the stop valve body 1, the output end of the motor 301 passes through the inner wall of the sealing seat 3 and extends to the outside and is connected and fixedly arranged with a driving wheel 302, and a connecting pipe 303 is connected and fixedly arranged in the sealing seat 3. The driving wheel 302 connected to the motor 301 is driven to rotate, so that the driving wheel 302 drives the flushing nozzle 4 connected to the driven wheel 401 to rotate.

[0024] like Figure 5As shown, a fixing frame 501 is fixedly connected to the valve flap 5, and the fixing frame 501 is fixedly connected to the flushing nozzle 4, and an annular rack 502 is fixedly connected to the fixing frame 501. The flushing nozzle 4 drives the connected fixing frame 501 to rotate, so that the fixing frame 501 drives the annular rack 502 to rotate.

[0025] like Figure 6 As shown, the top of the flushing nozzle 4 passes through the fixing frame 501 and is rotatably connected to one end of the connecting pipe 303. The top of the flushing nozzle 4 is connected and fixed with a driven wheel 401, which is meshed and driven with the driving wheel 302. The outer wall of the bottom end of the flushing nozzle 4 is slidably matched with an extension nozzle 402. The other end of the extension nozzle 402 is slidably matched with the inner wall of the valve disc 5. The inner wall of the flushing nozzle 4 is connected and fixed with an electric push rod A403, and the other end of the electric push rod A403 is connected and fixed to the inner wall of the extension nozzle 402. The extension nozzle 402 is driven to move out by the electric push rod A403.

[0026] like Figure 7 As shown, the input end of the pumping seat 6 is connected and fixedly provided with a water pumping pipe 601, the other end of the water pumping pipe 601 extends into the shut-off valve body 1, the output end of the pumping seat 6 extends to the inner wall of the shut-off valve body 1 and is connected and fixedly provided with a bellows 602, the other end of the bellows 602 is connected and fixedly provided with the other end of the connecting pipe 303, an impeller 603 is rotatably connected and provided in the pumping seat 6, one end of the impeller 603 extends into the shut-off valve body 1 and is connected and fixedly provided with a universal joint 604, the other end of the universal joint 604 is connected and fixedly provided with the inner wall of the shut-off valve body 1, a transmission wheel 605 is connected and fixedly provided on the universal joint 604, and the transmission wheel 605 is meshed with the annular rack 502 for transmission. The annular rack 502 will drive the transmission wheel 605 to rotate, so that the transmission wheel 605 drives the connected universal joint 604 to rotate, thereby driving the impeller 603 to rotate, and the water at the bottom of the stop valve body 1 is pumped out through the pumping pipe 601, and injected into the flushing nozzle 4 and the extension nozzle 402 through the bellows 602 and the connecting pipe 303, so as to be sprayed out through the flushing nozzle 4 and the extension nozzle 402 to flush the inner wall of the stop valve body 1.

[0027] like Figure 8 As shown, a plurality of electric heating wires 701 are fixedly installed on the inner wall of the sealing plate 7, a rotating shaft 702 is fixedly installed at one end of the sealing plate 7, the other end of the rotating shaft 702 is rotatably connected to and penetrates the inner wall of the stop valve body 1, an adjusting wheel 703 is fixedly installed at the outer end of the rotating shaft 702, and a worm 704 is fixedly installed at the outer end of the rotating shaft 702. The electric heating wires 701 in the sealing plate 7 are used to heat water, which helps to melt the grease.

[0028] The fixed seat 8 is connected and fixed with an electric push rod B801, and the output end of the electric push rod B801 is connected and fixed with an adjustment rack 802, which is meshed and driven with the adjustment wheel 703. The electric push rod B801 drives the connected adjustment rack 802 to move, and the adjustment rack 802 drives the adjustment wheel 703 to rotate, so that the adjustment wheel 703 drives the connected rotating shaft 702 to rotate, and the rotating shaft 702 drives the connected sealing plate 7 to rotate, so that the sealing plate 7 is closed.

[0029] like Fig. 9 As shown, a liquid adding tube 901 is connected and fixedly arranged on the bottom end of one side of the liquid storage seat 9, a baffle 902 is connected and fixedly arranged on the other end of the liquid adding tube 901, a liquid guide tube 903 is connected and fixedly arranged on the output end of the baffle 902, the other end of the liquid guide tube 903 is connected and fixedly arranged on the inner wall of the stop valve body 1, a rotating block 904 is rotatably connected inside the baffle 902, a liquid storage tank 905 is provided on the rotating block 904, one end of the rotating block 904 extends through the inner wall of the baffle 902 to the outside and is connected and fixedly arranged with a worm gear 906, and the worm gear 906 is meshed with the worm 704 for transmission. When the rotating shaft 702 rotates, the connected worm 704 is driven to rotate, so that the worm 704 drives the rotating block 904 connected to the worm wheel 906 to rotate. At this time, the cleaning agent in the liquid storage seat 9 is injected into the liquid storage tank 905 from the liquid adding pipe 901. When the rotating block 904 rotates, the liquid storage tank 905 is rotated to the liquid guide pipe 903, so that the cleaning agent can be injected into the stop valve body 1. Working principle: During the use of the stop valve body 1 on the kitchen drain pipe, solidified grease will adhere to its inner wall. At this time, the grease inside it needs to be removed. First, the electric push rod B801 is used to drive the connected adjustment rack 802 to move. At this time, the adjustment rack 802 will drive the adjustment wheel 703 to rotate, so that the adjustment wheel 703 drives the connected rotating shaft 702 to rotate. At this time, the rotating shaft 702 drives the connected sealing plate 7 to rotate, so that the sealing plate 7 is closed; At the same time, when the rotating shaft 702 rotates, the connected worm 704 is driven to rotate, so that the worm 704 drives the rotating block 904 connected to the worm wheel 906 to rotate, and at this time, the cleaning agent in the liquid storage seat 9 is injected into the liquid storage tank 905 from the liquid adding pipe 901. When the rotating block 904 rotates, the liquid storage tank 905 is rotated to the liquid guide pipe 903, so that the cleaning agent can be injected into the stop valve body 1; Then, the solenoid valve 101 is opened to inject a proper amount of water into the stop valve body 1, and the water is heated by the electric heating wire 701 in the sealing plate 7, which helps to melt the grease; Then, the electric push rod A403 is used to drive the extension nozzle 402 to move out, and then the motor 301 is used to drive the connected driving wheel 302 to rotate, so that the driving wheel 302 drives the flushing nozzle 4 connected to the driven wheel 401 to rotate. At this time, the flushing nozzle 4 will drive the connected fixing frame 501 to rotate, so that the fixing frame 501 drives the annular rack 502 to rotate, and then the annular rack 502 will drive the transmission wheel 605 to rotate, so that the transmission wheel 605 drives the connected universal joint 604 to rotate, thereby driving the impeller 603 to rotate, and the water at the bottom of the stop valve body 1 is pumped out through the pumping pipe 601, and injected into the flushing nozzle 4 and the extension nozzle 402 through the bellows 602 and the connecting pipe 303, so as to be sprayed out through the flushing nozzle 4 and the extension nozzle 402, and the inner wall of the stop valve body 1 is flushed, thereby accelerating the efficiency of grease removal.

[0030] 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 to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A household non-return sealing stop valve, comprising a stop valve body (1), characterized in that: A valve stem (2) is threadedly provided on the stop valve body (1), one end of the stop valve body (1) located inside the stop valve body (1) is rotatably connected to a sealing seat (3), a flushing nozzle (4) is rotatably provided on the sealing seat (3), a valve flap (5) is provided on the outside of the flushing nozzle (4), a liquid extraction seat (6) is fixedly provided on the outer surface of one side of the stop valve body (1), sealing plates (7) are rotatably provided on the inner walls of both ends of the stop valve body (1), and fixed seats (8) are fixedly provided on the outer surfaces of the two ends of the stop valve body (1) located at the sealing plates (7), and a liquid storage seat (9) is fixedly provided on one of the fixed seats (8).

2. A household non-return sealing stop valve according to claim 1, characterized in that: A solenoid valve (101) is fixedly provided through the outer wall of the upper end of the stop valve body (1).

3. A household non-return sealing stop valve according to claim 1, characterized in that: A motor (301) is connected and fixedly arranged inside the sealing seat (3); the sealing seat (3) is slidably matched with the inner wall of the stop valve body (1); an output end of the motor (301) passes through the inner wall of the sealing seat (3) and extends to the outside and is connected and fixedly arranged with a driving wheel (302); a connecting pipe (303) is passed through and connected and fixedly arranged inside the sealing seat (3).

4. A household non-return sealing stop valve according to claim 1, characterized in that: A fixing frame (501) is fixedly connected to the valve flap (5), the fixing frame (501) is fixedly connected to the flushing nozzle (4), and an annular rack (502) is fixedly connected to the fixing frame (501).

5. A household non-return sealing stop valve according to claim 1, characterized in that: The top end of the flushing nozzle (4) passes through the fixing frame (501) and is rotatably connected to one end of the connecting pipe (303). A driven wheel (401) is fixedly connected to the top end of the flushing nozzle (4). The driven wheel (401) is meshed with the driving wheel (302) for transmission. An extension nozzle (402) is slidably provided on the outer wall of the bottom end of the flushing nozzle (4). The other end of the extension nozzle (402) is slidably provided through the inner wall of the valve disc (5). An electric push rod A (403) is fixedly connected to the inner wall of the flushing nozzle (4). The other end of the electric push rod A (403) is fixedly connected to the inner wall of the extension nozzle (402).

6. A household non-return sealing stop valve according to claim 1, characterized in that: The input end of the pumping seat (6) is connected and fixedly provided with a pumping pipe (601), the other end of which extends into the shut-off valve body (1), the output end of the pumping seat (6) extends to the inner wall of the shut-off valve body (1) and is connected and fixedly provided with a bellows (602), the other end of which is connected and fixedly provided with the other end of the connecting pipe (303), an impeller (603) is rotatably connected and provided in the pumping seat (6), one end of which extends into the shut-off valve body (1) and is connected and fixedly provided with a universal joint (604), the other end of which is connected and fixedly provided with the inner wall of the shut-off valve body (1), a transmission wheel (605) is connected and fixedly provided on the universal joint (604), and the transmission wheel (605) is meshed with the annular rack (502) for transmission.

7. A household non-return sealing stop valve according to claim 1, characterized in that: A plurality of electric heating wires (701) are fixedly mounted on the inner wall of the sealing plate (7); a rotating shaft (702) is fixedly mounted on one end of the sealing plate (7); the other end of the rotating shaft (702) is rotatably connected to and penetrates the inner wall of the stop valve body (1); an adjusting wheel (703) is fixedly mounted on the outer end of the rotating shaft (702); and a worm (704) is fixedly mounted on the outer end of the rotating shaft (702).

8. A household non-return sealing stop valve according to claim 1, characterized in that: An electric push rod B (801) is connected and fixedly arranged on the fixed seat (8), and an adjustment rack (802) is connected and fixedly arranged on the output end of the electric push rod B (801), and the adjustment rack (802) is meshed and transmission-arranged with the adjustment wheel (703).

9. A household non-return sealing stop valve according to claim 1, characterized in that: A liquid adding tube (901) is connected and fixedly arranged through the bottom end of one side of the liquid storage seat (9), a baffle (902) is connected and fixedly arranged through the other end of the liquid adding tube (901), a liquid guiding tube (903) is connected and fixedly arranged through the output end of the baffle (902), the other end of the liquid guiding tube (903) is connected and fixedly arranged through the inner wall of the stop valve body (1), a rotating block (904) is rotatably connected and arranged in the baffle (902), a liquid storage tank (905) is provided on the rotating block (904), one end of the rotating block (904) passes through the inner wall of the baffle (902) and extends to the outside and is connected and fixedly arranged with a worm gear (906), and the worm gear (906) is meshed with the worm (704) for transmission.

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