Butterfly valve for sewage discharge

Abstract

The utility model belongs to the technical field of butterfly valves, and particularly relates to a butterfly valve for sewage discharge, which comprises a valve main body, a water inlet pipe and a water outlet pipe, a plurality of fixing bolts are sleeved at one end of each of the water inlet pipe and the water outlet pipe, and the water inlet pipe and the water outlet pipe are fixed at two ends of the valve main body through the plurality of fixing bolts; two sealing rings are arranged in the water inlet pipe in a sleeved mode, each sealing ring is fixedly connected to the inner wall of the water inlet pipe through bolts, a rotary drum is arranged in the two sealing rings in a sleeved mode, the outer walls of the two ends of the rotary drum are clamped with the inner walls of the sealing rings, and an annular gear is fixedly connected to the middle of the rotary drum. The valve is opened by rotating the valve rod of the valve main body, so that sewage enters through the water inlet pipe, the rotating drum is driven to rotate by utilizing the rotation of the gear, and hair, batting, cloth, plastic bags and the like in the sewage are cut by utilizing a plurality of blades in the rotating drum, so that the condition that the sewage leaks due to the fact that the valve cannot be closed is prevented; the use efficiency of the butterfly valve is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of butterfly valves, in particular to a butterfly valve for sewage discharge. Background Art

[0002] A butterfly valve, also known as a flap valve, is a regulating valve with a simple structure. It can be used for switching control of low-pressure pipeline media. A butterfly valve refers to a valve in which the closing member (valve disc or butterfly plate) is a disc that rotates around the valve axis to achieve opening and closing.

[0003] The butterfly valve is mainly composed of a valve body, a valve stem, a butterfly plate and a sealing ring. The valve body is cylindrical, with a short axial length and a built-in butterfly plate. The butterfly valve has the characteristics of simple structure, small size, light weight, low material consumption, small installation size, rapid switching, 90° reciprocating rotation, and small driving torque. It is used to cut off, connect, and adjust the medium in the pipeline. It has good fluid control characteristics and closing and sealing performance. The butterfly valve can transport mud and accumulate the least liquid at the pipe mouth. Good sealing can be achieved under low pressure. The adjustment performance is good, and the streamlined design of the butterfly plate reduces the fluid resistance loss. It can be said to be an energy-saving product.

[0004] In the current existing technology, the traditional butterfly valve for sewage discharge does not have a cutting mechanism inside, and there may be hair, lint, cloth, plastic bags, etc. in the sewage, which may be entangled on the butterfly plate when discharging sewage, resulting in the butterfly plate being unable to close with the pipe when the valve stem is turned, causing the butterfly valve to leak, affecting the efficiency of the butterfly valve.

[0005] Therefore, a butterfly valve for sewage discharge is proposed in view of the above problems. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art and solve the above-mentioned problems, a butterfly valve for sewage discharge is proposed.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a butterfly valve for sewage discharge described in the utility model comprises a valve body, an inlet pipe and an outlet pipe, one end of the inlet pipe and the outlet pipe are sleeved with a plurality of fixing bolts, and one end of the plurality of fixing bolts are threadedly connected to the inner walls of the two ends of the valve body, and the inlet pipe and the outlet pipe are fixed to the two ends of the valve body by a plurality of fixing bolts; two sealing rings are sleeved inside the inlet pipe, each of the sealing rings is fixedly connected to the inner wall of the inlet pipe by bolts, and a rotating cylinder is sleeved inside the two sealing rings, and the outer walls of the two ends of the rotating cylinder are engaged with the inner walls of the sealing rings, and the rotating cylinder is arranged inside the inlet pipe via the sealing ring, and a ring gear is fixedly connected to the middle of the rotating cylinder, and a gear is meshedly connected to one side of the ring gear, and the rotating cylinder rotates inside the inlet pipe via the ring gear.

[0008] Preferably, a plurality of blades are fixedly connected to the interior of the rotating drum, and the plurality of blades are arranged in a ring array.

[0009] Preferably, a fixing box is fixedly connected to the top of the water inlet pipe, a driving motor is fixedly connected to the interior of the fixing box, and a middle portion of an output shaft of the driving motor is fixedly connected to the inner wall of the gear.

[0010] Preferably, one end of the output shaft of the driving motor is rotatably connected to a limit plate, and an outer wall of the limit plate is fixedly connected to an inner wall of the fixing box.

[0011] Preferably, a butterfly plate is arranged inside the valve body, positioning grooves are provided at both ends of the butterfly plate, and an insertion rod is snap-connected inside each of the positioning grooves.

[0012] Preferably, one end of one of the plug rods is fixedly connected to the valve stem, and one end of the other plug rod is rotatably connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to the bottom inner wall of the valve body, and the butterfly plate is arranged in the middle of the valve body via the two plug rods.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a butterfly valve for sewage discharge, which opens the valve by rotating the valve stem of the valve body, allowing sewage to enter through the water inlet pipe, and the sealing ring inside the water inlet pipe is engaged with the two ends of the rotating drum, and the rotating drum can be driven to rotate by the rotation of the gear, and then the hair, lint, cloth and plastic bags in the sewage can be cut by the multiple blades inside the rotating drum, reducing the situation where they are entangled inside the valve body, preventing the valve from being blocked and unable to close, causing sewage leakage, and improving the use efficiency of the valve body.

[0015] The utility model provides a butterfly valve for sewage discharge, which places a butterfly plate in the middle of a valve body, then inserts a plug rod at one end of a valve stem into a positioning groove at one end of the butterfly plate, and then rotates a threaded rod so that the threaded rod is rotated into an inner wall of the valve body, so that the plug rod at the bottom is inserted into the positioning groove at the bottom of the butterfly plate, so that the butterfly plate is installed inside the valve body, and rotating the valve stem can drive the butterfly plate to rotate inside the valve body, which is convenient for staff to disassemble and replace the butterfly plate, thereby improving the use efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the water inlet pipe in the utility model;

[0019] Figure 3 It is a cross-sectional view of the water inlet pipe in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the valve body in the utility model;

[0021] Figure 5 It is a cross-sectional view of the butterfly plate in the utility model;

[0022] Legend:

[0023] 1. Valve body; 11. Butterfly plate; 12. Positioning groove; 13. Valve stem; 14. Insert rod; 15. Threaded rod; 2. Water inlet pipe; 21. Sealing ring; 3. Water outlet pipe; 4. Rotating drum; 41. Ring gear; 5. Blade; 6. Fixing box; 61. Gear; 62. Driving motor; 63. Limiting plate; 7. Fixing bolt. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] Specific examples are given below.

[0026] See also Figure 1 - Figure 5 The utility model provides a butterfly valve for sewage discharge, comprising a valve body 1, an inlet pipe 2 and an outlet pipe 3. One end of the inlet pipe 2 and the outlet pipe 3 are sleeved with a plurality of fixing bolts 7, and one end of the plurality of fixing bolts 7 are threadedly connected to the inner wall of the two ends of the valve body 1. The inlet pipe 2 and the outlet pipe 3 are fixed to the two ends of the valve body 1 through the plurality of fixing bolts 7. Two sealing rings 21 are sleeved inside the inlet pipe 2, and each sealing ring 21 is fixedly connected to the inner wall of the inlet pipe 2 through bolts. A rotating drum 4 is sleeved inside the two sealing rings 21, and the outer walls of the two ends of the rotating drum 4 are engaged with the inner wall of the sealing ring 21. The rotating drum 4 is arranged inside the inlet pipe 2 through the sealing ring 21. A ring gear 41 is fixedly connected to the middle of the rotating drum 4, and a gear 61 is meshedly connected to one side of the ring gear 41. The rotating drum 4 rotates inside the inlet pipe 2 through the ring gear 41. A plurality of blades 5 are fixedly connected inside the rotating drum 4, and the plurality of blades 5 are arranged in a ring array.

[0027] During operation, after the water inlet pipe 2 and the water outlet pipe 3 are attached to the two ends of the valve body 1, a plurality of fixing bolts 7 are respectively passed through the water inlet pipe 2, the valve body 1, the water outlet pipe 3, and the valve body 1, and the nut at one end of the fixing bolt 7 is rotated to fix the valve body 1 between the water inlet pipe 2 and the water outlet pipe 3. When sewage needs to be discharged, the valve is opened by rotating the valve stem of the valve body 1, so that sewage enters through the water inlet pipe 2, and the sealing ring 21 inside the water inlet pipe 2 is engaged with the two ends of the rotating drum 4 to ensure the stability of the rotating drum 4. The card box between the outer wall of the rotating drum 4 and the inner wall of the sealing ring 21 can prevent sewage from entering the gap between the rotating drum 4 and the water inlet pipe 2, and the gear 61 is meshed with the ring gear 41 fixed to the outer wall of the rotating drum 4, and the rotation of the gear 61 can drive the rotating drum 4 to rotate. The multiple blades 5 inside the rotating drum 4 can cut the hair, lint, cloth, plastic bags, etc. in the sewage to reduce the situation that they are entangled inside the valve body 1. This prevents the valve from being unable to close, causing sewage leakage, and improves the use efficiency of the valve body 1. Finally, the sewage is discharged from the outlet pipe 3 to complete the sewage discharge work.

[0028] Further, such as Figure 3 As shown, a fixing box 6 is fixedly connected to the top of the water inlet pipe 2, a driving motor 62 is fixedly connected to the interior of the fixing box 6, and the middle of the output shaft of the driving motor 62 is fixedly connected to the inner wall of the gear 61. One end of the output shaft of the driving motor 62 is rotatably connected to a limiting plate 63, and the outer wall of the limiting plate 63 is fixedly connected to the inner wall of the fixing box 6.

[0029] During operation, the driving motor 62 is fixed inside the fixing box 6, and the fixing box 6 is used to ensure the stability of the driving motor 62, so as to prevent the driving motor 62 from falling off due to collision. By starting the driving motor 62, the output shaft of the driving motor 62 is used to drive the gear 61 to rotate, and the gear 61 is meshed with the ring gear 41, so that the rotating drum 4 can stably rotate inside the water inlet pipe 2. The connection between the limiting plate 63 and the output shaft of the driving motor 62 can prevent the driving motor 62 from causing the gear 61 to be misaligned during the rotation process, so that the gear 61 can stably mesh with the ring gear 41, reduce the friction between the structures, and improve the service life of the structure.

[0030] Further, such as Figure 4 and Figure 5 As shown, a butterfly plate 11 is arranged inside the valve body 1, and positioning grooves 12 are opened at both ends of the butterfly plate 11. A plug rod 14 is snap-connected inside each positioning groove 12. One end of one plug rod 14 is fixedly connected to the valve stem 13, and one end of the other plug rod 14 is rotatably connected to a threaded rod 15. The outer wall of the threaded rod 15 is threadedly connected to the bottom inner wall of the valve body 1, and the butterfly plate 11 is arranged in the middle of the valve body 1 via two plug rods 14.

[0031] During operation, the butterfly plate 11 is placed in the middle of the valve body 1, and then the plug rod 14 at one end of the valve stem 13 is inserted into the positioning groove 12 at one end of the butterfly plate 11, and then the threaded rod 15 is inserted into the bottom of the valve body 1, and then the threaded rod 15 is rotated so that the threaded rod 15 is rotated into the inner wall of the valve body 1, and then the bottom plug rod 14 is inserted into the positioning groove 12 at the bottom of the butterfly plate 11, so that the butterfly plate 11 is installed inside the valve body 1, and the rotation of the valve stem 13 can drive the butterfly plate 11 to rotate inside the valve body 1. Then, the bottom plug rod 14 is connected to the inner wall of the threaded rod 15 by rotation, so that when the plug rod 14 is inserted into the positioning groove 12, the rotation of the threaded rod 15 will not drive the plug rod 14 to rotate, so that the bottom plug rod 14 can be stably inserted into the bottom positioning groove 12, which can improve the use efficiency of the structure. The above method is convenient for the staff to disassemble and replace the butterfly plate 11, and the use efficiency of the device is improved.

[0032] Working principle: by placing the butterfly plate 11 in the middle of the valve body 1, then inserting the plug rod 14 at one end of the valve stem 13 into the positioning groove 12 at one end of the butterfly plate 11, and then inserting the threaded rod 15 into the bottom of the valve body 1, and then rotating the threaded rod 15 so that the threaded rod 15 is rotated into the inner wall of the valve body 1, and then the plug rod 14 at the bottom is inserted into the positioning groove 12 at the bottom of the butterfly plate 11, so that the butterfly plate 11 is installed inside the valve body 1. Then, multiple fixing bolts 7 are respectively passed through the water inlet pipe 2, the valve body 1, the water outlet pipe 3, and the valve body 1, and then the nut at one end of the fixing bolt 7 is rotated to fix the valve body 1 between the water inlet pipe 2 and the water outlet pipe 3. When sewage needs to be discharged, the valve stem 13 of the valve body 1 is rotated to drive the butterfly plate 11 to rotate, so that sewage enters through the water inlet pipe 2. The engagement between the outer wall of the drum 4 and the inner wall of the sealing ring 21 can prevent sewage from entering the gap between the drum 4 and the water inlet pipe 2. By starting the drive motor 62, the output shaft of the drive motor 62 drives the gear 61 to rotate, and the engagement between the gear 61 and the ring gear 41 allows the drum 4 to stably rotate inside the water inlet pipe 2. The multiple blades 5 inside the drum 4 can then be used to cut hair, lint, cloth, plastic bags, etc. in the sewage, and finally the sewage is discharged from the outlet pipe 3 to complete the sewage discharge work.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A butterfly valve for sewage discharge, comprising a valve body (1), an inlet pipe (2) and an outlet pipe (3), characterized in that: One end of the water inlet pipe (2) and the water outlet pipe (3) is sleeved with a plurality of fixing bolts (7), and one end of the plurality of fixing bolts (7) is threadedly connected to the inner walls of the two ends of the valve body (1). The water inlet pipe (2) and the water outlet pipe (3) are fixed to the two ends of the valve body (1) via the plurality of fixing bolts (7); the interior of the water inlet pipe (2) is sleeved with two sealing rings (21), each of the sealing rings (21) is fixedly connected to the inner wall of the water inlet pipe (2) via bolts, a rotating cylinder (4) is sleeved inside the two sealing rings (21), the outer walls of the two ends of the rotating cylinder (4) are engaged with the inner walls of the sealing rings (21), the rotating cylinder (4) is arranged inside the water inlet pipe (2) via the sealing ring (21), a ring gear (41) is fixedly connected to the middle of the rotating cylinder (4), a gear (61) is meshedly connected to one side of the ring gear (41), and the rotating cylinder (4) rotates inside the water inlet pipe (2) via the ring gear (41).

2. A butterfly valve for sewage discharge according to claim 1, characterized in that: A plurality of blades (5) are fixedly connected to the interior of the rotating drum (4), and the plurality of blades (5) are arranged in a ring array.

3. A butterfly valve for sewage discharge according to claim 1, characterized in that: A fixing box (6) is fixedly connected to the top of the water inlet pipe (2), a driving motor (62) is fixedly connected inside the fixing box (6), and the middle of the output shaft of the driving motor (62) is fixedly connected to the inner wall of the gear (61).

4. A butterfly valve for sewage discharge according to claim 3, characterized in that: One end of the output shaft of the driving motor (62) is rotatably connected to a limit plate (63), and the outer wall of the limit plate (63) is fixedly connected to the inner wall of the fixing box (6).

5. A butterfly valve for sewage discharge according to claim 1, characterized in that: A butterfly plate (11) is arranged inside the valve body (1), positioning grooves (12) are provided at both ends of the butterfly plate (11), and an insert rod (14) is snap-fitted and connected inside each positioning groove (12).

6. A butterfly valve for sewage discharge according to claim 5, characterized in that: One end of one of the plug rods (14) is fixedly connected to the valve stem (13), and one end of the other of the plug rods (14) is rotatably connected to the threaded rod (15). The outer wall of the threaded rod (15) is threadedly connected to the bottom inner wall of the valve body (1). The butterfly plate (11) is arranged in the middle of the valve body (1) via the two plug rods (14).

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