CN110425328B - Quick exhaust valve for agricultural irrigation pipeline - Google Patents

Quick exhaust valve for agricultural irrigation pipeline Download PDF

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Publication number
CN110425328B
CN110425328B CN201910752082.8A CN201910752082A CN110425328B CN 110425328 B CN110425328 B CN 110425328B CN 201910752082 A CN201910752082 A CN 201910752082A CN 110425328 B CN110425328 B CN 110425328B
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China
Prior art keywords
valve
wall
pipe
exhaust
rod
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CN201910752082.8A
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CN110425328A (en
Inventor
谭佳佳
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SHANDONG TIANZHI INFORMATION TECHNOLOGY Co.,Ltd.
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Shandong Tianzhi Information Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/04Devices, e.g. valves, for venting or aerating enclosures for venting only
    • F16K24/042Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float
    • F16K24/048Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float a transmission element, e.g. arm, being interposed between the float and the valve element, the transmission element following a non-translational, e.g. pivoting or rocking, movement when actuated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

The invention relates to the technical field of agricultural irrigation and discloses a quick exhaust valve for an agricultural irrigation pipeline. This agricultural irrigation pipeline quick exhaust valve, including exhaust apparatus and connecting device, exhaust apparatus's bottom fixed mounting has connecting device, exhaust apparatus includes the valve body, the intercommunication has the air water to advance the pipe on the bottom outer wall of valve body, the inside movable mounting that the air water advances the pipe has the body, the top fixed mounting of body has the clamp plate. The quick exhaust valve for the agricultural irrigation pipeline can avoid impact and damage to the floating body caused by overlarge water pressure by arranging the buffer valve, and the two exhaust pipes are arranged on the valve body, so that the exhaust efficiency is improved; the supporting rods are arranged, so that the floating body is always vertical, and the stability of the floating body in moving up and down is improved; the arrangement of the sliding rod, the sliding block and the connecting rod improves the stability of the spherical piston when moving left and right; the arrangement of the limiting block avoids the floating body from separating from the air water inlet pipe due to overhigh water level.

Description

Quick exhaust valve for agricultural irrigation pipeline
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to a quick exhaust valve for an agricultural irrigation pipeline.
Background
Agricultural irrigation mainly refers to irrigation operation performed on agricultural cultivation areas. Agricultural irrigation methods can be generally divided into traditional ground irrigation, general sprinkler irrigation and micro-irrigation. The pipeline of the agricultural irrigation system is a closed pipeline, and a small amount of or a large amount of air is accumulated at certain pipeline nodes in the drainage process due to the difference of the pipeline shape and the water level height in certain places in the pipeline stroke, so that vacuum can be formed seriously, and the condition that the pipeline drainage is not smooth is caused.
In the prior art, the above problem is usually solved by installing an exhaust valve at the highest point of the system pipe. However, the existing exhaust valve has low exhaust efficiency and poor waterproof performance inside the exhaust valve, and water easily passes through the floating body to enter the inner cavity of the valve body in the drainage process, so that the exhaust is influenced; in addition, the stability of the interior of the existing exhaust valve is poor, and faults are easy to occur. Therefore, we propose a quick exhaust valve for agricultural irrigation pipelines.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the quick exhaust valve for the agricultural irrigation pipeline, which has the advantages of high exhaust efficiency, good waterproof performance, strong stability and the like, and solves the problems of low exhaust efficiency, poor waterproof performance and poor stability of the existing exhaust valve.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an agricultural irrigation pipeline quick exhaust valve, includes exhaust apparatus and connecting device, exhaust apparatus's bottom fixed mounting has connecting device.
The exhaust device comprises a valve body, the outer wall of the bottom end of the valve body is communicated with an air water inlet pipe, a floating body is movably arranged in the air water inlet pipe, the top end of the floating body is fixedly provided with a pressing plate, the middle part of the outer wall of the top end of the pressing plate is fixedly provided with an adjusting rod, a first rotating shaft is fixedly arranged on the outer wall of one side of the front face of the adjusting rod, the outer walls of the left side and the right side of the valve body are respectively communicated with exhaust pipes, a spherical piston is movably arranged in each exhaust pipe, a dust cover is fixedly arranged at one end of each exhaust pipe far away from the valve body, a linkage rod is fixedly arranged on the outer wall of one side of each spherical piston close to the adjusting rod, a second rotating shaft is movably arranged on the outer wall of one side of the front face of each linkage rod, the exhaust pipe is characterized in that a sliding rod is fixedly mounted on the inner walls of the left side and the right side of the valve body and above the exhaust pipe, and two sliding blocks are movably mounted on the outer wall of the sliding rod.
The connecting device comprises a buffer valve, an upper connecting pipe is communicated with the outer wall of the top of the buffer valve, and a lower connecting pipe is communicated with the outer wall of the bottom of the buffer valve.
Furthermore, the surface of the floating body is provided with an expanded polytetrafluoroethylene coating, and the floating body is attached to the inner wall of the air water inlet pipe.
Further, the left and right sides of body just is located equal fixed mounting of bottom inner wall of valve body has the bracing piece, and two bracing pieces run through the left and right sides both ends of clamp plate respectively and rather than swing joint, and the top of every bracing piece just is located the equal fixed mounting in top of clamp plate and has the stopper.
Furthermore, a movable rod is movably mounted between each second rotating shaft and the corresponding first rotating shaft, rotating rings are fixedly mounted at two ends of each movable rod, and the rotating rings at two ends of each movable rod are movably connected with the corresponding first rotating shaft and the corresponding second rotating shaft.
Furthermore, the outer wall of the bottom end of each sliding block is fixedly provided with a connecting rod, and one end, far away from each sliding block, of each connecting rod is fixedly connected with the corresponding linkage rod.
Furthermore, the outer walls of the upper connecting pipe and the air water inlet pipe are both fixedly provided with connecting rings, and the two connecting rings are fixedly connected through bolts.
Further, the air water inlet pipe is communicated with the upper connecting pipe, and a sealing ring is arranged at the joint of the air water inlet pipe and the upper connecting pipe.
Furthermore, one end of the lower connecting pipe, which is far away from the buffer valve, is communicated with the irrigation pipeline.
The invention has the beneficial effects that:
1. the quick exhaust valve for the agricultural irrigation pipeline can avoid impact and damage to the floating body caused by overlarge water pressure by arranging the buffer valve, and the two exhaust pipes are arranged on the valve body, so that the exhaust efficiency is improved; the supporting rods are arranged, so that the floating body is always vertical, and the stability of the floating body in moving up and down is improved; the arrangement of the sliding rod, the sliding block and the connecting rod improves the stability of the spherical piston when moving left and right; the arrangement of the limiting block avoids the floating body from separating from the air water inlet pipe due to overhigh water level; the dust cover is arranged, so that dust is prevented from entering the valve body, the integral structure is simple, the production process requirement is low, the production cost is low, and the valve can be popularized and applied on a large scale.
2. This agricultural irrigation pipeline quick exhaust valve, the surface of body is provided with expanded polytetrafluoroethylene coating, expanded polytetrafluoroethylene material all has good waterproof windbreak nature, outstanding gas permeability, each pore of expanded polytetrafluoroethylene coating all is less than the diameter of hydrone far away, therefore can accomplish completely waterproof, thereby make gaseous inner chamber that can pass the body and get into the valve body, water is but by the separation in the below of body, discharge valve's waterproof performance has been improved, avoid the inside that water and gaseous piece got into the valve body, thereby smooth exhaust gas, and the practicality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an internal cross-sectional view at the valve body of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
fig. 4 is a schematic view of the structure of the platen of the present invention.
Description of reference numerals: 1, an exhaust device, 101 a valve body, 102 a gas-water inlet pipe, 103 a floating body, 104 a pressing plate, 105 a supporting rod, 106 a limiting block, 107 a connecting rod, 108 an adjusting rod, 109 a first rotating shaft, 110 a linkage rod, 111 an exhaust pipe, 112 a spherical piston, 113 a dust cover, 114 a second rotating shaft, 115 a movable rod, 116 a rotating ring, 117 a sliding rod, 118 a sliding block, 2 a connecting device, 201 a buffer valve, 202 an upper connecting pipe, 203 a lower connecting pipe, 204 a connecting ring, 205 bolts and 206 a sealing ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, a quick exhaust valve for agricultural irrigation pipelines comprises an exhaust device 1 and a connecting device 2, wherein the connecting device 2 is fixedly installed at the bottom of the exhaust device 1.
Exhaust apparatus 1 includes valve body 101, the intercommunication has air water to advance pipe 102 on the bottom outer wall of valve body 101, the inside movable mounting that air water advances pipe 102 has body 103, body 103's surface is provided with expanded polytetrafluoroethylene coating, and body 103 pastes with the inner wall that air water advances pipe 102 mutually, expanded polytetrafluoroethylene material all has good waterproof windbreak nature, outstanding gas permeability, each pore of expanded polytetrafluoroethylene coating all is less than the diameter of hydrone far away, therefore can accomplish waterproof completely, thereby make gaseous inner chamber that can pass body 103 entering valve body 101, water is but by the separation in body 103's below, thereby smooth exhaust gas. The top fixed mounting of body 103 has clamp plate 104, and body 103's the left and right sides and all fixed mounting have bracing piece 105 on being located the bottom inner wall of valve body 101, and two bracing pieces 105 run through clamp plate 104's the left and right sides respectively and rather than swing joint, and the setting of bracing piece 105 makes body 103 remain throughout perpendicularly, has improved the stability when body 103 reciprocates. The top end of each support rod 105 is fixedly provided with a limiting block 106 above the pressure plate 104, and the arrangement of the limiting blocks 106 prevents the floating body 103 from being separated from the air water inlet pipe 102 due to overhigh water level. The middle of the outer wall of the top end of the pressure plate 104 is fixedly provided with an adjusting rod 108, the outer wall of the front side of the adjusting rod 108 is fixedly provided with a first rotating shaft 109, the outer walls of the left side and the right side of the valve body 101 are communicated with exhaust pipes 111, and the valve body 101 is provided with two exhaust pipes 111, so that the exhaust efficiency is improved. A spherical piston 112 is movably mounted inside each exhaust pipe 111, and the air tightness of the joint of the spherical piston 112 and the exhaust pipe 111 is good. The dust cover 113 is fixedly mounted at one end, far away from the valve body 101, of each exhaust pipe 111, and due to the arrangement of the dust cover 113, dust is prevented from entering the valve body 101. The outer wall of each spherical piston 112 close to one side of the adjusting rod 108 is fixedly provided with a linkage rod 110, the outer wall of one side of the front face of each linkage rod 110 is movably provided with a second rotating shaft 114, a movable rod 115 is movably arranged between each second rotating shaft 114 and the first rotating shaft 109, both ends of each movable rod 115 are fixedly provided with a rotating ring 116, and the rotating rings 116 at the two ends of each movable rod 115 are respectively movably connected with the first rotating shaft 109 and the second rotating shaft 114, a sliding rod 117 is fixedly installed on the inner walls of the left side and the right side of the valve body 101 and above the exhaust pipe 111, two sliding blocks 118 are movably installed on the outer wall of the sliding rod 117, a connecting rod 107 is fixedly installed on the outer wall of the bottom end of each sliding block 118, one end of each connecting rod 107, which is far away from the sliding block 118, is fixedly connected with the corresponding linkage rod 110, and the arrangement of the sliding rod 117, the sliding block 118 and the connecting rod 107 improves the stability when the spherical piston 112 moves left.
The connecting device 2 comprises a buffer valve 201, an upper connecting pipe 202 is communicated with the outer wall of the top of the buffer valve 201, a lower connecting pipe 203 is communicated with the outer wall of the bottom of the buffer valve 201, one end, away from the buffer valve 201, of the lower connecting pipe 203 is communicated with the highest point of an irrigation system pipeline, connecting rings 204 are fixedly mounted on the outer walls of the upper connecting pipe 202 and the air water inlet pipe 102, the two connecting rings 204 are fixedly connected through bolts 205, the air water inlet pipe 102 is communicated with the upper connecting pipe 202, and a sealing ring 206 is arranged at the connecting position of the air water inlet pipe 102 and the upper connecting pipe 202.
When the agricultural irrigation pipeline is used, the agricultural irrigation pipeline is communicated with the buffer valve 201 through the lower connecting pipe 203, water and gas pass through the buffer valve 201 and enter the gas-water inlet pipe 102 through the upper connecting pipe 202, and the buffer valve 201 is arranged, so that impact and damage to the floating body 103 caused by overlarge water pressure can be avoided. After water and gas enter the gas-water inlet pipe 102, the gas passes through the floating body 103 and enters the inner cavity of the valve body 101, and is collected at the upper part of the valve body 101, the pressure rises along with the increase of the gas in the valve, when the gas pressure is higher than the system pressure, the gas can lead the water surface to descend, and drives the floating body 103 and the pressure plate 104 to descend, so that the adjusting rod 108 descends, the adjusting rod 108 drives the two spherical pistons 112 to move oppositely through the movable rod 115, so that the exhaust pipe 111 is opened for exhausting, after the gas is exhausted, the water level rises, the floating body 103 also ascends, and the exhaust pipe 111 is. The surface of body 103 is provided with the expanded polytetrafluoroethylene coating, the expanded polytetrafluoroethylene material all has good waterproof windbreak nature, outstanding gas permeability, each pore of expanded polytetrafluoroethylene coating all is less than the diameter of hydrone far away, therefore can accomplish completely waterproof, thereby make gaseous inner chamber that can pass body 103 entering valve body 101, water is but by the separation in the below of body 103, discharge valve's waterproof performance has been improved, avoid the inside of a entering valve body 101 of water and gas, thereby smooth exhaust gas. Two exhaust pipes 111 are arranged on the valve body 101, so that the exhaust efficiency is improved; the supporting rod 105 is arranged, so that the floating body 103 is always kept vertical, and the stability of the floating body 103 in the up-and-down movement process is improved; the arrangement of the sliding rod 117, the sliding block 118 and the connecting rod 107 improves the stability of the spherical piston 112 when moving left and right; the arrangement of the limiting block 106 avoids the floating body 103 from separating from the air water inlet pipe 102 due to overhigh water level; the dust cover 113 prevents dust from entering the interior of the valve body 101.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The utility model provides an agricultural irrigation pipeline quick release valve, includes exhaust apparatus (1) and connecting device (2), its characterized in that: the bottom of the exhaust device (1) is fixedly provided with a connecting device (2);
the exhaust device (1) comprises a valve body (101), a gas-water inlet pipe (102) is communicated with the outer wall of the bottom end of the valve body (101), a floating body (103) is movably mounted in the gas-water inlet pipe (102), a pressing plate (104) is fixedly mounted at the top end of the floating body (103), an adjusting rod (108) is fixedly mounted in the middle of the outer wall of the top end of the pressing plate (104), a first rotating shaft (109) is fixedly mounted on the outer wall of the front side of the adjusting rod (108), exhaust pipes (111) are communicated with the outer walls of the left side and the right side of the valve body (101), a spherical piston (112) is movably mounted in each exhaust pipe (111), a dust cover (113) is fixedly mounted at one end, far away from the valve body (101), of each exhaust pipe (111), a linkage rod (110) is fixedly mounted on the outer, a second rotating shaft (114) is movably mounted on the outer wall of one side of the front face of each linkage rod (110), a sliding rod (117) is fixedly mounted on the inner walls of the left side and the right side of the valve body (101) and above the exhaust pipe (111), and two sliding blocks (118) are movably mounted on the outer wall of the sliding rod (117);
the connecting device (2) comprises a buffer valve (201), an upper connecting pipe (202) is communicated with the outer wall of the top of the buffer valve (201), a lower connecting pipe (203) is communicated with the outer wall of the bottom of the buffer valve (201), an expanded polytetrafluoroethylene coating is arranged on the surface of the floating body (103), the floating body (103) is attached to the inner wall of the air-water inlet pipe (102), supporting rods (105) are fixedly arranged on the left side and the right side of the floating body (103) and positioned on the inner wall of the bottom of the valve body (101), the two supporting rods (105) respectively penetrate through the left end and the right end of the pressing plate (104) and are movably connected with the pressing plate, a limiting block (106) is fixedly arranged at the top end of each supporting rod (105) and positioned above the pressing plate (104), a movable rod (115) is movably arranged between each second rotating shaft (114) and the first rotating shaft (109), and a rotating ring (116) is fixedly arranged at, and rotating rings (116) at two ends of each movable rod (115) are respectively and movably connected with the first rotating shaft (109) and the second rotating shaft (114).
2. The agricultural irrigation pipe quick release valve of claim 1, wherein: the outer wall of the bottom end of each sliding block (118) is fixedly provided with a connecting rod (107), and one end of each connecting rod (107), which is far away from each sliding block (118), is fixedly connected with the corresponding linkage rod (110).
3. The agricultural irrigation pipe quick release valve of claim 2, wherein: the outer wall of the upper connecting pipe (202) and the outer wall of the air water inlet pipe (102) are both fixedly provided with connecting rings (204), and the two connecting rings (204) are fixedly connected through bolts (205).
4. The agricultural irrigation pipe quick release valve of claim 3, wherein: the gas-water inlet pipe (102) is communicated with the upper connecting pipe (202), and a sealing ring (206) is arranged at the joint of the gas-water inlet pipe (102) and the upper connecting pipe (202).
5. The agricultural irrigation pipe quick release valve of claim 4, wherein: one end of the lower connecting pipe (203), which is far away from the buffer valve (201), is communicated with the irrigation pipeline.
CN201910752082.8A 2019-08-15 2019-08-15 Quick exhaust valve for agricultural irrigation pipeline Active CN110425328B (en)

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Application Number Priority Date Filing Date Title
CN201910752082.8A CN110425328B (en) 2019-08-15 2019-08-15 Quick exhaust valve for agricultural irrigation pipeline

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Application Number Priority Date Filing Date Title
CN201910752082.8A CN110425328B (en) 2019-08-15 2019-08-15 Quick exhaust valve for agricultural irrigation pipeline

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CN110425328B true CN110425328B (en) 2020-11-24

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Publication number Priority date Publication date Assignee Title
CN111237179A (en) * 2020-01-15 2020-06-05 淮南市大通矿山机电配件厂 Air inlet control device of pneumatic water pump

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4449102A (en) * 2001-06-11 2002-12-12 C-Dax Systems Limited Improvements in tanks
DE102012215832B3 (en) * 2012-09-06 2013-11-28 Hawle Armaturen Gmbh Ventilation valve for e.g. fluid carrying pipes, has guide which is extended outwardly in vertical direction over the valve mechanism so as to guide ventilation current
CN207333869U (en) * 2017-06-26 2018-05-08 上海禹成流体控制有限公司 A kind of composite exhaust valve
CN207034377U (en) * 2017-08-09 2018-02-23 开维喜阀门集团有限公司 A kind of buffer-type composite exhaust valve
CN207599238U (en) * 2017-12-04 2018-07-10 泉州市沪航阀门制造有限公司 A kind of air bleeding valve of band buffering filter device
CN208153832U (en) * 2018-03-13 2018-11-27 郑州唯晓智能科技有限公司 A kind of energy-saving and environment-friendly ball-cock assembly
CN208734991U (en) * 2018-07-13 2019-04-12 中阀控股(集团)有限公司 A kind of rapid escape valve
CN108843886B (en) * 2018-07-27 2024-03-12 安徽红星阀门有限公司 Exhaust valve
CN208935529U (en) * 2019-04-02 2019-06-04 广西春之蓝农业科技有限公司 A kind of agricultural irrigation pipeline rapid escape valve

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