An easy-to-clean electric butterfly valve

Abstract

The invention discloses an electric butterfly valve which is easy to clean, and mainly relates to the technical field of butterfly valves, comprising a butterfly valve, a sliding frame is rotatably connected to the butterfly valve, the sliding frame is hinged to a fan-shaped door, the fan-shaped door is rotatably installed on a main pipeline, a return pipe is provided on the main pipeline, a check valve is provided in the return pipe, a waste pipe is fixedly connected to the lower part of the main pipeline, a stirring rod is provided in the waste pipe, a waste port is provided at the end of the waste pipe, and a filter pipe is provided between the waste pipe and the main pipeline; the invention can facilitate the cleaning of the inside of the butterfly valve.

Description

Technical Field

[0001] The invention mainly relates to the technical field of butterfly valves, and in particular to an electric butterfly valve which is easy to clean. Background Art

[0002] Butterfly valves are often used in the joints of various water pipes, oil pipes and gas pipes in life. Taking sewage pipes as an example, this structure is also often used. However, since there are many kinds of garbage impurities in sewage, even if it is discharged after filtering, there will still be fine impurities such as fine sand in the discharge process. Water pipes are usually in a closed state. Long-term closure causes various fine sand impurities in the water to accumulate near the butterfly valve. Over time, these impurities can easily accumulate into blocks and cause pipeline blockage. When the valve needs to be opened, it may be difficult to open or cannot be opened, even if it is electrically driven. And due to the special position of the butterfly valve, it is difficult to clean it. Therefore, an electric butterfly valve that can be easily cleaned is needed. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] In view of the above-mentioned problems, the present invention needs to provide an electric butterfly valve that is easy to clean, so that the butterfly valve can be easily cleaned.

[0005] (II) Technical solution

[0006] In view of the above technical problems, the present invention provides an electric butterfly valve that is easy to clean, comprising a main pipeline, a butterfly valve door is arranged in the main pipeline, a sliding frame is rotatably connected to the butterfly valve door, the sliding frame is hinged to the fan-shaped door, and the fan-shaped door is rotatably installed on the main pipeline; the area between the butterfly valve door and the fan-shaped door is a clean water chamber; a return water pipe is arranged on the main pipeline, one end of the return water pipe is arranged in the clean water chamber between the butterfly valve door and the fan-shaped door, and the other end is arranged outside the clean water chamber, and a check valve is arranged in the return water pipe; a waste pipe is fixedly connected to the lower part of the main pipeline, a stirring rod is rotatably and slidably installed in the waste pipe, a waste port is arranged on the waste pipe, and a filter pipe is also connected between the waste pipe and the main pipeline, one end of the filter pipe is connected to the clean water chamber of the main pipeline, and the other end is connected to the waste pipe.

[0007] Furthermore, the butterfly valve comprises a butterfly valve plate, which is in the shape of a round pancake and has an axis installed along its diameter. The axis of the butterfly valve plate is connected to the reduction motor, and the cylindrical surface of the butterfly valve plate is hinged to the push ring by two push rods. The push ring is divided into an annular section, and an arc plate is installed on the top and bottom of the annular section respectively. The annular section of the push ring is hinged to the fan-shaped door by a connecting rod.

[0008] Furthermore, the fan-shaped door includes four fan-shaped plates evenly arranged around the circumference, each fan-shaped plate is rotatably mounted on the main pipeline, and each fan-shaped plate is hinged to the push ring by a connecting rod.

[0009] Furthermore, a cleaning pipe is also provided on the waste pipe, the cleaning pipe includes a washing pipe, the washing pipe is fixedly installed on the waste pipe, a washing pump is provided on the washing pipe, and a check valve is provided in the washing pipe; the check valve in the return pipe has the same structure as the check valve in the washing pipe.

[0010] Furthermore, the check valve includes a small support, on which a small spring is fixedly mounted, and the small spring is fixedly connected to the one-way valve head; the one-way valve head in the cleaning pipe is close to the cleaning pump; and the one-way valve head in the main pipeline is close to the return water pump.

[0011] Furthermore, the stirring rod includes a cleaning main rod, on which a spiral stirring blade is fixedly installed, and a blocking plug is also fixedly installed on the cleaning main rod, which is used to cut off the connection between the waste pipe and the main pipe. The cleaning main rod is fixedly connected to the output shaft of the cleaning motor, and the cleaning motor is fixedly installed on the cleaning frame.

[0012] Furthermore, guide rods are installed on both sides of the cleaning frame, and the cleaning frame is slidably installed on the waste pipe using the guide rods. The cleaning frame is fixedly connected to the movable end of the cleaning cylinder, and the cleaning cylinder is fixedly installed on the waste pipe.

[0013] Furthermore, one end of the filter tube connected to the waste pipe is detachably provided with a filter assembly, the filter assembly includes a filter joint, the filter joint has a circular tube in the middle, and two ends are circular discs with screw holes, wherein the diameter of the center hole of the circular disc at one end is smaller than the diameter of the circular tube, and the diameter of the center hole of the circular disc at the other end is the same as the diameter of the circular tube; a filter net is provided in the filter joint.

[0014] Furthermore, a waste door is rotatably mounted at the front end of the waste port, the waste door is rotatably connected to the movable end of the small cylinder, and the small cylinder is rotatably mounted on the waste pipe.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The present invention is provided with a butterfly valve plate, a push ring, a push rod, and a fan-shaped door. The special shape of the butterfly valve plate can realize the function of opening and closing the main pipeline, and the linkage combination of the butterfly valve plate, the push ring, and the fan-shaped door can form a unique water purification chamber, which can obtain water with reduced impurities after filtration; 2. The present invention is provided with a waste pipe below the main pipeline, and a stirring rod is slidingly and rotatably provided in the waste pipe. The stirring rod can realize the opening and closing of the main pipeline and the waste pipe, and can also realize the function of discharging sediment; 3. A waste port is installed on the waste pipe, and an openable and closable waste door is provided on the waste port. Sediment in the water can be discharged through the waste port. The present invention can also realize the waste pipe. Cleaning, reducing the sedimentation residue of silt in the waste pipe; 4. A filter assembly is also connected to the waste pipe and the main pipeline, and the filter assembly can filter the water in the waste pipe so that the filtered water reaches the clean water chamber; 5. The present invention connects a clean water chamber of the main pipeline and the outer side of the clean water chamber with a return pipe, and a one-way valve and a return water pump are arranged in the return pipe, which can pump the filtered water in the clean water chamber to one side of the main pipeline. The water flows into the waste pipe for re-filtration and precipitation to obtain relatively clean water, and then repeats the above operation to repeatedly and automatically clean the silt impurities on one side of the butterfly valve plate, reduce the silt impurities on one side of the butterfly valve plate, avoid the contact between impurities and the butterfly valve under the maximum effect, and ensure the effective use of the butterfly valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is the right view of the present invention.

[0018] Figure 3 for Figure 2 Sectional view at AA.

[0019] Figure 4 for Figure 2 Cross-sectional view at BB in the middle.

[0020] Figure 5 It is a front view of the present invention.

[0021] Figure 6 for Figure 5 Sectional view at CC.

[0022] Figure 7 It is a partial first angle schematic diagram of the cleaning mechanism of the present invention.

[0023] Figure 8 This is a first angle schematic diagram of the filter connector and filter screen of the present invention.

[0024] Fig. 9 This is a second angle schematic diagram of the filter connector and filter screen of the present invention.

[0025] Fig.10 It is a right view of another state of the present invention.

[0026] Fig.11 for Fig.10 Sectional view at DD.

[0027] Figure numbers: 1-cleaning mechanism; 101-return pipe; 102-reduction motor; 103-main pipeline; 104-filter pipe; 105-waste pipe; 106-locking buckle; 107-waste port; 108-butterfly valve plate; 109-filter joint; 110-filter screen; 111-small cylinder; 112-waste door; 113-cleaning motor; 114-cleaning main rod; 115-cleaning rack; 116-cleaning cylinder; 117-spiral stirring blade; 118-small support; 119-small spring; 120-check valve head; 121-return pump; 122-fan plate; 123-connecting rod; 124-push ring; 125-cleaning pipe; 126-cleaning pump; 127-blocking plug; 128-push rod. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with specific embodiments. The present invention is explained by means of the illustrative embodiments and descriptions of the present invention, but is not intended to be limiting of the present invention.

[0029] Example: Figure 1-Figure 11 An electric butterfly valve that is easy to clean is shown, including a cleaning mechanism 1. The cleaning mechanism 1 includes a main pipeline 103. The cleaning mechanism 1 is a main sewage pipeline. An arrow is provided on the cleaning mechanism 1 to indicate the direction of water flow, which flows from right to left.

[0030] A return pipe 101 is provided on the main pipeline 103, and a return pump 121 is provided on the return pipe 101. An arrow is provided on the return pump 121 to indicate the direction of water flow. One end of the return pipe 101 is provided in the clean water chamber between the butterfly valve and the fan-shaped door, and the other end is provided outside the clean water chamber. When the butterfly valve plate 108 is closed, the fan-shaped plate 122 will also be closed, and the area between the butterfly valve plate 108 and the fan-shaped plate 122 is the clean water chamber.

[0031] The butterfly valve comprises a butterfly valve plate 108, which is in the shape of a disc and has an axis installed along its diameter. The axis of the butterfly valve plate 108 is connected to the reduction motor 102, which is specifically composed of a motor and a reducer. The cylindrical surface of the butterfly valve plate 108 is hinged to the push ring 124 by means of two push rods 128, one end of the push rod 128 is rotatably mounted on the butterfly valve plate 108, and the other end is rotatably mounted on the push ring 124. The push ring 124 is divided into an annular section, and an arc plate is respectively installed on the top and the bottom of the annular section. The arc plate at the top is used to cut off the connection between the return pipe 101 and the main pipeline 103, and the arc plate at the bottom is used to cut off the connection between the filter pipe 104 and the main pipeline 103. The annular section of the push ring 124 is hinged to the fan-shaped door by means of a connecting rod 123.

[0032] The fan-shaped door includes four fan-shaped plates 122 evenly arranged around the circumference. Each fan-shaped plate 122 is rotatably mounted on the main pipeline 103. Each fan-shaped plate 122 is hinged to a push ring 124 by a connecting rod 123. One end of the connecting rod 123 is rotatably mounted on the fan-shaped plate 122, and the other end is rotatably mounted on the annular segment of the push ring 124.

[0033] A cleaning pipe is also provided on the waste pipe 105, and the cleaning pipe includes a cleaning pipe 125. The cleaning pipe 125 is connected to an external water storage device and is fixedly installed on the waste pipe 105. A cleaning pump 126 is provided on the cleaning pipe 125. An arrow is provided on the cleaning pump 126 to indicate the direction of water flow. A check valve is provided in the cleaning pipe 125; the check valve in the main pipeline 103 has the same structure as the check valve in the cleaning pipe 125.

[0034] The check valve includes a small support 118, on which a small spring 119 is fixedly installed. The small spring 119 is fixedly connected to a one-way valve head 120. When the small support 118 is at the cleaning pipe 125, the small support 118 is fixedly installed on the side wall of the waste pipe 105. When the small support 118 is at the main pipeline 103, the small support 118 is fixedly installed on the side wall of the main pipeline 103; the one-way valve head 120 in the cleaning pipe 125 is close to the cleaning pump 126; the one-way valve head 120 in the main pipeline 103 is close to the return water pump 121.

[0035] A waste pipe 105 is fixedly connected to the bottom of the main pipeline 103, and a stirring rod is rotatably and slidably installed in the waste pipe 105. The stirring rod includes a cleaning main rod 114, and a spiral stirring blade 117 is fixedly installed on the cleaning main rod 114. The spiral stirring blade 117 is divided into two types. The upper half of the cleaning main rod 114 is a spiral blade with a small diameter, and the lower half of the cleaning main rod 114 is a conical spiral blade. A blocking plug 127 is also fixedly installed on the cleaning main rod 114. The blocking plug 127 is used to cut off the connection between the waste pipe 105 and the main pipeline 103. The cleaning main rod 114 is fixedly connected to the output shaft of the cleaning motor 113, and the cleaning motor 113 is fixedly installed on the cleaning frame 115.

[0036] Guide rods are installed on both sides of the cleaning frame 115 , and the cleaning frame 115 is slidably installed on the waste pipe 105 using the guide rods. The cleaning frame 115 is fixedly connected to the movable end of the cleaning cylinder 116 , and the cleaning cylinder 116 is fixedly installed on the waste pipe 105 .

[0037] A filter tube 104 is also connected between the waste tube 105 and the main pipeline 103 . One end of the filter tube 104 is connected to the water purification chamber of the main pipeline 103 , and the other end is connected to the waste tube 105 .

[0038] One end of the filter tube 104 connected to the waste tube 105 is detachably provided with a filter assembly, which includes a filter joint 109. The filter joint 109 has a round tube in the middle and discs with screw holes at both ends. The filter joint 109 is locked and fixed to the waste tube 105 and the two ends of the filter tube 104 by using the screw holes and screw pin discs. The diameter of the center hole of the disc at one end is smaller than the diameter of the round tube, and the diameter of the center hole of the disc at the other end is the same as the diameter of the round tube. A filter screen 110 is provided in the filter joint 109, and the filter screen 110 is inserted from the center hole of the large-diameter disc, and the disc at the other end blocks the filter screen 110, and then it is installed between the filter tube 104 and the waste tube 105 by using screws, and is locked by two sets of locking buckles 106.

[0039] The locking buckles 106 are divided into two groups, each group includes two upper and lower locking buckles, and each locking buckle is rotatably mounted on a support plate provided on the waste pipe 105.

[0040] The waste pipe 105 is provided with a waste port 107 , and a waste door 112 is rotatably mounted at the front end of the waste port 107 . The waste door 112 is rotatably connected to the movable end of a small cylinder 111 , and the small cylinder 111 is rotatably mounted on the waste pipe 105 .

[0041] Working principle of the present invention: When the main pipeline 103 is in normal use, both sides are connected to the pipeline, and the sewage flows from the right to the left. When in normal use, the butterfly valve plate 108 is parallel to the water flow direction in the main pipeline 103. Figure 3 As shown, at this time, the push ring 124 cuts off the connection between the main pipeline 103 and the return pipe 101 and the filter pipe 104. When the butterfly valve plate 108 is in the closed state, that is, perpendicular to the water flow direction in the main pipeline 103, the main pipeline 103 can be cleaned.

[0042] like Fig.11 As shown, when the butterfly valve plate 108 is closed, fine sand impurities in the sewage will accumulate near the right side of the butterfly valve plate 108. Over time, these impurities will easily accumulate into blocks, causing blockage in the main pipe 103. Therefore, the present invention provides a water purification chamber, and the sewage on the right side of the water purification chamber of the main pipe 103 can also be regularly cleaned.

[0043] The whole process is to start the reduction motor 102 to drive the butterfly valve plate 108 to rotate, the butterfly valve plate 108 drives the push rod 128 to rotate, the push rod 128 pushes the push ring 124 to slide, the push ring 124 opens the connection between the return pipe 101, the filter pipe 104 and the main pipe 103, the four fan-shaped plates 122 are closed, and the clean water chamber between the butterfly valve plate 108 and the fan-shaped plate 122 is connected to the return pipe 101 and the filter pipe 104. At this time, the sewage in the main pipe 103 is on the right side of the four fan-shaped plates 122.

[0044] The active end of the cleaning cylinder 116 is started to contract and drive the cleaning main rod 114 to rise, and the cleaning main rod 114 drives the spiral stirring blade 117 and the plugging plug 127 to rise, and the plugging plug 127 opens the connection between the waste pipe 105 and the main pipeline 103, and the sewage enters the waste pipe 105, settles, and is filtered by the filter net 110 and reaches the water purification chamber through the filter pipe 104.

[0045] The return water pump 121 is started, and the water from the return water pipe 101 passes through the one-way valve to the right side of the main pipe 103 again. The specific water flow impacts the one-way valve head 120, and the small spring 119 is compressed. The water will enter the main pipe 103 and reach the waste pipe 105 again for sedimentation and filtration. The previous step is repeated, and the sewage on the right side of the main pipe 103 is repeatedly filtered and precipitated, leaving the waste in the waste pipe 105. When a large amount of impurities and fine sand are accumulated in the waste pipe 105, the active end of the cleaning cylinder 116 is started to extend and drive the cleaning motor 113 to descend. The cleaning motor 113 drives the cleaning main rod 114 to descend, so that the blocking plug 127 descends, blocking the connection between the main pipe 103 and the waste pipe 105.

[0046] The cleaning motor 113 is started to drive the cleaning main rod 114 and the spiral stirring blade 117 to rotate, and the small cylinder 111 is started to drive the waste door 112 to rotate, and the waste port 107 is opened, so that the mud and impurities in the waste pipe 105 are discharged from the waste port 107. When the mud and sand in the waste pipe 105 are discharged, the waste pipe 105 needs to be cleaned, and the water source is connected from the cleaning pipe 125. The cleaning pump 126 pumps water into the waste pipe 105 to clean the waste pipe 105. When cleaning, the spiral stirring blade 117 can be used in combination, and the mixture of impurities and water will be discharged from the waste port 107.

[0047] After cleaning, close the waste door 112 and wait for the next use. The above cleaning needs to set the daily cleaning time according to the amount of sewage impurities. When the next sewage discharge is required after cleaning, the plug 127 is in a state of cutting off the connection between the main pipeline 103 and the waste pipe 105. At this time, start the reduction motor 102 to drive the butterfly valve plate 108 to rotate, open the fan plate 122, and the push ring 124 will block the connection between the return pipe 101, the filter pipe 104 and the main pipeline 103. The sewage cannot enter the above two pipes, and a large amount of sewage flows from right to left to other places.

[0048] The present invention repeatedly filters, precipitates and cleans the sewage on the right side of the butterfly valve plate 108, thereby preventing a large amount of fine sand impurities from excessively accumulating at the position of the butterfly valve plate 108, thereby agglomerating and affecting the opening of the butterfly valve plate 108.

[0049] Any matters not described in the present invention are applicable to the prior art.

Claims

1. An electric butterfly valve that is easy to clean, comprising a main pipeline (103), wherein a butterfly valve is arranged in the main pipeline (103), characterized in that: A sliding frame is rotatably connected to the butterfly valve, the sliding frame is hinged to the fan-shaped door, and the fan-shaped door is rotatably mounted on the main pipeline (103); the area between the butterfly valve and the fan-shaped door is a clean water chamber; a return pipe (101) is provided on the main pipeline (103), one end of the return pipe (101) is arranged in the clean water chamber between the butterfly valve and the fan-shaped door, and the other end is arranged outside the clean water chamber, and a check valve is arranged in the return pipe (101); a waste pipe (105) is fixedly connected to the lower part of the main pipeline (103), a stirring rod is rotatably and slidably mounted in the waste pipe (105), a waste port (107) is provided on the waste pipe (105), and a filter pipe (104) is further connected between the waste pipe (105) and the main pipeline (103), one end of the filter pipe (104) is connected to the clean water chamber of the main pipeline (103), and the other end is connected to the waste pipe (105); The butterfly valve comprises a butterfly valve plate (108), the butterfly valve plate (108) is in the shape of a circular pancake, and a shaft is installed along the diameter of the butterfly valve plate (108), the shaft of the butterfly valve plate (108) is connected to the reduction motor (102), the cylindrical surface of the butterfly valve plate (108) and the push ring (124) are hinged by two push rods (128), the push ring (124) is divided into an annular section, the top and bottom of the annular section are respectively installed with an arc plate, and the annular section of the push ring (124) is hinged to the fan-shaped door by a connecting rod (123); The fan-shaped door comprises four fan-shaped plates (122) evenly arranged around the circumference, each fan-shaped plate (122) is rotatably mounted on the main pipe (103), and each fan-shaped plate (122) is hingedly connected to a push ring (124) by a connecting rod (123); The stirring rod comprises a cleaning main rod (114), a spiral stirring blade (117) is fixedly mounted on the cleaning main rod (114), a blocking plug (127) is also fixedly mounted on the cleaning main rod (114), the blocking plug (127) is used to cut off the connection between the waste pipe (105) and the main pipe (103), the cleaning main rod (114) is fixedly connected to the output shaft of the cleaning motor (113), and the cleaning motor (113) is fixedly mounted on the cleaning frame (115); Guide rods are installed on both sides of the cleaning frame (115), and the cleaning frame (115) is slidably installed on the waste pipe (105) by means of the guide rods. The cleaning frame (115) is fixedly connected to the movable end of the cleaning cylinder (116), and the cleaning cylinder (116) is fixedly installed on the waste pipe (105).

2. The electric butterfly valve that is easy to clean according to claim 1 is characterized in that: The waste pipe (105) is also provided with a cleaning pipe, which comprises a cleaning pipe (125). The cleaning pipe (125) is fixedly mounted on the waste pipe (105). A cleaning pump (126) is provided on the cleaning pipe (125). A check valve is provided in the cleaning pipe (125); the check valve in the return pipe (101) has the same structure as the check valve in the cleaning pipe (125).

3. The electric butterfly valve that is easy to clean according to claim 2, characterized in that: The check valve comprises a small support (118), a small spring (119) is fixedly mounted on the small support (118), and the small spring (119) is fixedly connected to a one-way valve head (120); the one-way valve head (120) in the cleaning pipe (125) is close to the cleaning pump (126); and the one-way valve head (120) in the main pipe (103) is close to the return water pump (121).

4. The electric butterfly valve that is easy to clean according to claim 1, characterized in that: One end of the filter tube (104) connected to the waste tube (105) is detachably provided with a filter assembly, the filter assembly comprising a filter joint (109), the filter joint (109) having a circular tube in the middle and circular discs with screw holes at both ends, wherein the diameter of the center hole of the circular disc at one end is smaller than the diameter of the circular tube, and the diameter of the center hole of the circular disc at the other end is the same as the diameter of the circular tube; a filter screen (110) is provided inside the filter joint (109).

5. The electric butterfly valve that is easy to clean according to claim 4, characterized in that: A waste door (112) is rotatably mounted at the front end of the waste port (107). The waste door (112) is rotatably connected to the movable end of a small cylinder (111). The small cylinder (111) is rotatably mounted on the waste pipe (105).

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