CN109997665A - A kind of negative pressure adjusting device applied to agricultural irrigation - Google Patents

A kind of negative pressure adjusting device applied to agricultural irrigation Download PDF

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Publication number
CN109997665A
CN109997665A CN201910408888.5A CN201910408888A CN109997665A CN 109997665 A CN109997665 A CN 109997665A CN 201910408888 A CN201910408888 A CN 201910408888A CN 109997665 A CN109997665 A CN 109997665A
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CN
China
Prior art keywords
negative pressure
irrigation
chamber
adjusting device
welded
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Pending
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CN201910408888.5A
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Chinese (zh)
Inventor
郝小龙
郝海兵
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Taihu Wild Taste Food Trading Co Ltd
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Taihu Wild Taste Food Trading Co Ltd
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Publication date
Application filed by Taihu Wild Taste Food Trading Co Ltd filed Critical Taihu Wild Taste Food Trading Co Ltd
Priority to CN201910408888.5A priority Critical patent/CN109997665A/en
Publication of CN109997665A publication Critical patent/CN109997665A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Nozzles (AREA)

Abstract

The present invention provides a kind of negative pressure adjusting device applied to agricultural irrigation, is related to agricultural irrigation technology.A kind of negative pressure adjusting device applied to agricultural irrigation, including irrigation rig, the side lateral wall bolt of the irrigation rig in the horizontal direction is fixed with connecting shaft, the connecting shaft is welded with fixing seat far from one end of irrigation rig, the inner sidewall of the fixing seat is welded with depression generator, the outer surface of cupular part of the depression generator is welded with pedestal, and the pedestal is fixed with control panel far from one end bolt of depression generator.Pass through being used cooperatively by irrigation rig and negative pressure adjusting device, process is smoothly irrigated in realization, furthermore, it is shown by control panel and controls the pressure difference for irrigating chamber and outer housing, the controllable of the speed of irrigation and fluid injection is realized, by the use of negative pressure regulating mechanism, so that vacuum pump reinforces the swabbing action for irrigating chamber, guarantee that irrigating intracavitary portion maintains stable negative pressure state, reaches explosion-proof technical requirements.

Description

A kind of negative pressure adjusting device applied to agricultural irrigation
Technical field
The present invention relates to agricultural irrigation technology, specially a kind of negative pressure adjusting device applied to agricultural irrigation.
Background technique
Briefly, negative pressure is less than the gas pressure state of normal pressure, for negative pressure using very universal, usually in work It is not especially that (such as minipump, micro air pump, minitype gas sampling pump, minitype gas circulating pump are micro- for micropump in industry Often to be related to this concept in type aspiration pump type selecting, negative pressure is utilized more and more necks with the development of science and technology Domain plays special function.
Applicant is when applying for the present invention, and by retrieval, discovery Chinese patent discloses one kind " applied to agricultural irrigation Negative pressure adjusting device ", application No. is " 201610699122.3 ", which mainly passes through bleeding point and irrigation advance buffering dress Connection is set, the amount of pressure difference can be controlled by the velocity of rotation of blower, and since the gas of device circulates, it can be with So that pressure difference becomes controllable presence, to flow without waiting for external air, the rate of pressure difference generation is considerably increased, The principle that water flow is flowed from high pressure to low pressure is had ignored, cannot achieve going on smoothly for irrigation and water filling, it furthermore can not be constant Maintain negative pressure state and it is explosion-proof the problems such as, therefore, according to the invention of applicant, invented a kind of applied to the negative of agricultural irrigation The device for pressing regulating device solves the problems, such as to can not be successfully irrigation and water filling and constant negative pressure, explosion-proof.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of negative pressure adjusting devices applied to agricultural irrigation, solve Solve the problems, such as to can not be successfully irrigation and water filling and constant negative pressure, explosion-proof.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of applied to the negative of agricultural irrigation Regulating device, including irrigation rig are pressed, the side lateral wall bolt of the irrigation rig in the horizontal direction is fixed with connecting shaft, described Connecting shaft is welded with fixing seat far from one end of irrigation rig, and the inner sidewall of the fixing seat is welded with depression generator, described The outer surface of cupular part of depression generator is welded with pedestal, and the pedestal is fixed with control far from one end bolt of depression generator Panel processed.
Preferably, the irrigation rig includes irrigating chamber, upper interface, water inlet, electrically-controlled valve, water outlet, evacuating mouth, first Pressure inductor, guide rail, slide bar, sliding plug and graduated scale, the side side wall for irrigating chamber is bolted with connecting shaft, and is irrigated The both ends of chamber vertically are respectively equipped with interface and water inlet, and the outer surface of the water inlet is fixedly installed with electrically-controlled valve, The irrigation side lateral wall of the chamber far from connecting shaft is equipped with water outlet, the top appearance for irrigating chamber close to the side of water inlet Face is symmetrically arranged with about upper interface evacuates mouth and the first pressure inductor, and the inner sidewall for irrigating chamber is welded with guide rail, institute The internal vertical for stating interface is inserted with slide bar, and the junction of the slide bar and upper interface is fixedly installed with sliding sleeve, the slide bar It is welded with sliding plug positioned at the one end for irrigating intracavitary portion, the outer surface of the slide bar, which is carved, is equipped with graduated scale.
Preferably, the depression generator include outer housing, vacuum pump, vacuum pipe, the second pressure inductor and Negative pressure regulating mechanism, the outer housing are welded in the inner sidewall of the fixing seat, and the bottom end of the outer housing is fixedly installed with very Sky pump, the top fixing sleeve of the vacuum pump are connected to vacuum pipe, and the inner roof wall bolt of the outer housing is fixed with the second pressure The outer surface of inductor, the vacuum pipe is fixedly installed with negative pressure regulating mechanism.
Preferably, the negative pressure regulating mechanism includes mounting plate, valve body, through hole, valve rod, spring, connecting rod and pull ring, The installation crab bolt is fixed on the side lateral wall of outer housing, and the side sidewall weld of the mounting plate has valve body, the valve Body offers through hole far from one end of mounting plate, and the valve body has valve rod close to the side inner sidewall abutting of through hole, described The side side wall of valve rod is fixedly connected with spring, and the spring is fixedly connected with connecting rod far from one end of valve rod, the connecting rod Side is welded with pull ring.
Preferably, the control panel is electrically connected with conducting wire close to the side of irrigation rig in the horizontal direction, and controls Panel processed is electrically connected by the first pressure inductor of conducting wire and the intracavitary portion of irrigation, the second pressure inductor and control plane Plate is also electrically connected.
Preferably, the quantity of the guide rail is four and is welded in the inner sidewall for irrigating chamber in a ring, the sliding plug Outer surface offers U-lag corresponding with guide rail quantity, and the side wall adhesion rubber sleeve of sliding plug, the sliding plug pass through U-lag With the Qian He of guide rail and be slidably matched with the inner sidewall for irrigating chamber and the inner sidewall of rubber sleeve and irrigation chamber abuts against.
Preferably, the one end of the vacuum pipe far from vacuum pump and evacuation mouth flanged joint, the outer housing is close to filling The side lateral wall for irrigating chamber offers external tapping.
Preferably, the internal vertical of the valve body offers through-hole corresponding with vacuum pipe, and the vacuum pipe is logical It crosses through-hole and valve body is perpendicular plugs, the inside of the mounting plate offers through-hole, and the connecting rod level is inserted in the installation In the through-hole of plate.
Preferably, the inner sidewall of the outer housing is fixedly installed with the battery being electrically connected with control panel, described true Sky pump is electrically connected with battery.
Working principle: in use, opening the vacuum pump inside depression generator, while vacuum pipe by control panel Realize that vacuum pump is vacuumized to chamber is irrigated and then being attached with the evacuation mouth for irrigating chamber top, at this point, irrigating intracavitary Portion's sliding plug is located at guide rail and irrigates the sky in intracavitary portion with the progress for the process of vacuum pump vacuumized close to one end of water inlet Gas is extracted, and internal pressure is less than external pressure, and sliding plug is by upward pulling that its surface is arranged with guide rail number of locations pair The U-lag answered is in upward sliding on guide rail, while the electrically-controlled valve on water inlet is opened, and liquid is just generated in sliding plug upward sliding Suction sucking irrigate intracavitary portion, complete the charging of liquid, after liquid, which fills, irrigates chamber, be now placed in negative inside outer housing Valve rod in pressure regulating mechanism is in the state abutted against with through hole, and when pressure release phenomenon occurs in vacuum pipe, valve body can pass through The tension effects of spring are tightly abutted against with through hole, so that vacuum pump is reinforced for irrigating the swabbing action of chamber, to protect Card irrigates intracavitary portion and maintains stable negative pressure state, reaches explosion-proof technical requirements, and water outlet is opened at this time, can carry out irrigation behaviour Make;
At the same time, the first pressure inductor for irrigating intracavitary portion's setting is electrically connected by conducting wire and control panel, real When monitoring irrigate the pressure change in intracavitary portion, while the second pressure inductor being arranged inside outer housing incudes in outer housing in real time The pressure in portion, and the pressure difference for irrigating chamber and outer housing is shown and controlled by control panel, realize control irrigation and fluid injection Speed so that irrigation efficiency is controllable;
With the continuous progress of the process of irrigation, the liquid level decline of chamber internal liquid and at this time ring of the sliding plug due to negative pressure are irrigated Border still keeps original state, at this time by pulling pull ring that the spring-compressed connecting with valve rod is made to pull valve rod and through hole simultaneously manually It is detached from and abuts, at this time together with the air inside outer housing enters vacuum pipe and makes vacuum tube inside vacuum pipe and outer housing Road internal pressure increases, and improves so that irrigating chamber internal pressure, sliding plug can be pressed while pressure increases and is pressed down against liquid Face, meanwhile, the outer surface of slide bar, which is carved, is equipped with graduated scale, and when irrigating intracavitary portion and filling liquid, scale is directed toward starting point, with filling The progress slide bar for irrigating process can indicate the residual quantity of irrigation chamber internal liquid together with the height change of sliding plug, can accelerate the row of liquid Null process.
(3) beneficial effect
The present invention provides a kind of negative pressure adjusting devices applied to agricultural irrigation.Have it is following the utility model has the advantages that
1, should be made applied to the negative pressure adjusting device of agricultural irrigation by the cooperation of irrigation rig and negative pressure adjusting device With vacuum pump realizes the vacuum pumping to chamber is irrigated by the connection of vacuum pipe and the evacuation mouth for irrigating chamber, so that irrigating Intracavitary portion keeps subnormal ambient, while passing through the fluid injection and irrigation with the use of realization for irrigation chamber of slide bar and sliding plug Process is smoothly irrigated in operation, realization.
2, should be applied to the negative pressure adjusting device of agricultural irrigation, by the use of negative pressure regulating mechanism, vacuum pipe occurs When pressure release phenomenon, valve body can tightly be abutted against with through hole by the tension effects of spring, so that vacuum pump is for irrigating chamber Swabbing action reinforce, to guarantee to irrigate the negative pressure state that intracavitary portion remains stable, reach explosion-proof technical requirements.
3, the first pressure inductor of intracavitary portion's setting should applied to the negative pressure adjusting device of agricultural irrigation, be irrigated by leading Line and control panel are electrically connected, and real time monitoring irrigates the pressure change in intracavitary portion, while the second pressure being arranged inside outer housing Strong inductor incudes the pressure inside outer housing in real time, and is shown by control panel and control the pressure for irrigating chamber and outer housing Difference realizes the speed of control irrigation and fluid injection, so that irrigation efficiency is controllable.
4, should be applied to the negative pressure adjusting device of agricultural irrigation, the outer surface of sliding plug offers U corresponding with guide rail quantity Shape slot, and the side wall adhesion rubber sleeve of sliding plug, sliding plug are slided by the Qian He of U-lag and guide rail with the inner sidewall for irrigating chamber Cooperate and rubber sleeve abutted against with the inner sidewall for irrigating chamber, while the junction of slide bar and upper interface is fixedly installed with sliding sleeve, Slide bar and sliding plug be can guarantee in the movement of stablizing for irrigating intracavitary portion, guarantee is irrigated and stablizing for fluid injection carries out.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the schematic diagram of internal structure of irrigation rig in the present invention;
Fig. 3 is the schematic diagram of internal structure of depression generator in the present invention;
Fig. 4 is cross-sectional view at B in Fig. 3;
Fig. 5 is top view at A-A in Fig. 2.
Wherein, 1, irrigation rig;101, chamber is irrigated;102, upper interface;103, water inlet;104, electrically-controlled valve;105, it is discharged Mouthful;106, mouth is evacuated;107, the first pressure inductor;108, guide rail;109, slide bar;110, sliding plug;111, graduated scale;2, even Axis;3, fixing seat;4, depression generator;401, outer housing;402, vacuum pump;403, vacuum pipe;404, the second pressure sense Answer device;5, pedestal;6, control panel;7, negative pressure regulating mechanism;701, mounting plate;702, valve body;703, through hole;704, valve Bar;705, spring;706, connecting rod;707, pull ring;8, U-lag;9, rubber sleeve.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figs. 1-5, the embodiment of the present invention provides a kind of negative pressure adjusting device applied to agricultural irrigation, including irrigates Device 1, the side lateral wall bolt of irrigation rig 1 in the horizontal direction are fixed with connecting shaft 2, the one end of connecting shaft 2 far from irrigation rig 1 It is welded with fixing seat 3, the inner sidewall of fixing seat 3 is welded with depression generator 4, the outer surface of cupular part weldering of depression generator 4 Be connected to pedestal 5, pedestal 5 is fixed with control panel 6 far from one end bolt of depression generator 4, control panel 6 along level side It is electrically connected with conducting wire to the side close to irrigation rig 1, and control panel 6 passes through first inside conducting wire and irrigation chamber 101 Pressure inductor 107 is electrically connected, and the second pressure inductor 404 is also electrically connected with control panel 6.
Irrigation rig 1 includes irrigating chamber 101, upper interface 102, water inlet 103, electrically-controlled valve 104, water outlet 105, evacuating mouth 106, the first pressure inductor 107, guide rail 108, slide bar 109, sliding plug 110 and graduated scale 111 irrigate the side side of chamber 101 Wall is bolted with connecting shaft 2, and is irrigated the both ends of chamber 101 vertically and be respectively equipped with interface 102 and water inlet 103, into The outer surface at the mouth of a river 103 is fixedly installed with electrically-controlled valve 104, irrigates side lateral wall of the chamber 101 far from connecting shaft 2 close to water inlet 103 side be equipped with water outlet 105, irrigate chamber 101 top outer surface about upper interface 102 be symmetrically arranged with evacuate mouth 106 with And the first pressure inductor 107, the inner sidewall for irrigating chamber 101 are welded with guide rail 108, the quantity of guide rail 108 is four and is in Annular solder offers U-lag 8 corresponding with 108 quantity of guide rail in the inner sidewall for irrigating chamber 101, the outer surface of sliding plug 110, and The side wall adhesion rubber sleeve 9 of sliding plug 110, sliding plug 110 by Qian He of U-lag 8 and guide rail 108 in irrigation chamber 101 Snug engagement and rubber sleeve 9 and the inner sidewall for irrigating chamber 101 abut against, and the internal vertical of upper interface 102 is inserted with cunning The junction of bar 109, slide bar 109 and upper interface 102 is fixedly installed with sliding sleeve, and slide bar 109 is located at the one end irrigated inside chamber 101 It is welded with sliding plug 110, the outer surface of slide bar 109, which is carved, is equipped with graduated scale 111.
Depression generator 4 include outer housing 401, vacuum pump 402, vacuum pipe 403, the second pressure inductor 404 with And negative pressure regulating mechanism 7, outer housing 401 are welded in the inner sidewall of fixing seat 3, outer housing 401 is outside the side for irrigating chamber 101 Side wall offers external tapping, and the bottom end of outer housing 401 is fixedly installed with vacuum pump 402, and the inner sidewall of outer housing 401 is fixedly mounted There is the battery being electrically connected with control panel 6, vacuum pump 402 and battery are electrically connected, the top fixing sleeve of vacuum pump 402 It is connected to vacuum pipe 403, the one end of vacuum pipe 403 far from vacuum pump 402 and evacuation 106 flanged joint of mouth, outer housing 401 Inner roof wall bolt is fixed with the second pressure inductor 404, and the outer surface of vacuum pipe 403 is fixedly installed with negative pressure regulating mechanism 7.
Negative pressure regulating mechanism 7 includes mounting plate 701, valve body 702, through hole 703, valve rod 704, spring 705, connecting rod 706 And pull ring 707,701 bolt of mounting plate are fixed on the side lateral wall of outer housing 401, the side sidewall weld of mounting plate 701 There is valve body 702, the internal vertical of valve body 702 offers through-hole corresponding with vacuum pipe 403, and vacuum pipe 403 passes through logical Hole with valve body 702 is perpendicular plugs, the inside of mounting plate 701 offers through-hole, and 706 level of connecting rod is inserted in mounting plate 701 In through-hole, valve body 702 offers through hole 703 far from one end of mounting plate 701, and valve body 702 is in the side of through hole 703 Side wall abutting has valve rod 704, and the side side wall of valve rod 704 is fixedly connected with spring 705, the one end of spring 705 far from valve rod 704 It is fixedly connected with connecting rod 706, the side of connecting rod 706 is welded with pull ring 707.
In use, opening the vacuum pump 402 inside depression generator 4, while vacuum pipe 403 by control panel 6 Vacuumizing for 402 pairs of vacuum pump irrigation chambers 101 is realized and then being attached with the evacuation mouth 106 for irrigating 101 top of chamber, this When, it irrigates 101 inside sliding plug 110 of chamber and is located at guide rail 108 close to one end of water inlet 103, with vacuumizing for vacuum pump 402 The progress of process, the air irrigated inside chamber 101 are extracted, and internal pressure is less than external pressure, and sliding plug 110 is by upward drawing The U-lag 8 corresponding with 108 number of locations of guide rail of its surface setting is moved in upward sliding on guide rail 108, while water inlet 103 On electrically-controlled valve 104 open, the sucking of suction that liquid is just generated in 110 upward sliding of sliding plug is irrigated inside chamber 101, and liquid is completed The charging of body, after liquid, which fills, irrigates chamber 101, the valve rod that is now placed in the negative pressure regulating mechanism 7 inside outer housing 401 704 in the state abutted against with through hole 703, and when pressure release phenomenon occurs in vacuum pipe 403, valve body 702 can pass through spring 705 Tension effects tightly abutted against with through hole 703 so that vacuum pump 402 for irrigate chamber 101 swabbing action reinforce, from And guarantee to irrigate inside chamber 101 and maintain stable negative pressure state, reach explosion-proof technical requirements, water outlet 105 is opened at this time, can Carry out irrigation operation.
Embodiment two:
The present embodiment is on the basis of being based on embodiment one: in use, irrigating the first pressure induction being arranged inside chamber 101 Device 107 is electrically connected by conducting wire and control panel 6, and real time monitoring irrigates the pressure change inside chamber 101, while outer housing The second pressure inductor 404 that 401 inside are arranged incudes the pressure inside outer housing 401 in real time, and is shown by control panel 6 And the pressure difference for irrigating chamber 101 and outer housing 401 is controlled, the speed of control irrigation and fluid injection is realized, so that irrigation efficiency can Control;
With the continuous progress of the process of irrigation, the liquid level for irrigating 101 internal liquid of chamber declines and sliding plug 110 is due to negative at this time The environment of pressure still keeps original state, at this time by pulling pull ring 707 to make the spring 705 connecting with valve rod 704 compression simultaneously manually Pull the disengaging of valve rod 704 and through hole 703 to abut, at this time vacuum pipe 403 with inside outer housing 401 together in outer housing 401 The air in portion enters vacuum pipe 403 and 403 internal pressure of vacuum pipe is increased, so that irrigating 101 internal pressure of chamber It improves, sliding plug 110 can be pressed while pressure increases and is pressed down against liquid level, meanwhile, the outer surface of slide bar 109, which is carved, is equipped with graduated scale 111, scale is directed toward starting point when filling liquid inside irrigation chamber 101, as the carry out slide bar 109 of the process of irrigation is together with sliding plug 110 height change can indicate the residual quantity of irrigation 101 internal liquid of chamber, can accelerate the evacuation procedure of liquid.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of negative pressure adjusting device applied to agricultural irrigation, including irrigation rig (1), it is characterised in that: the irrigation dress It sets the side lateral wall bolt of (1) in the horizontal direction to be fixed with connecting shaft (2), the one end of the connecting shaft (2) far from irrigation rig (1) It is welded with fixing seat (3), the inner sidewall of the fixing seat (3) is welded with depression generator (4), the depression generator (4) outer surface of cupular part is welded with pedestal (5), and the pedestal (5) is fixed with control far from one end bolt of depression generator (4) Panel (6) processed.
2. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 1, it is characterised in that: the irrigation Device (1) includes irrigating chamber (101), upper interface (102), water inlet (103), electrically-controlled valve (104), water outlet (105), evacuating mouth (106), the first pressure inductor (107), guide rail (108), slide bar (109), sliding plug (110) and graduated scale (111), the filling The side side wall and connecting shaft (2) for irrigating chamber (101) are bolted, and are irrigated the both ends of chamber (101) vertically and be respectively equipped with Interface (102) and water inlet (103), the outer surface of the water inlet (103) is fixedly installed with electrically-controlled valve (104), the irrigation Side lateral wall of the chamber (101) far from connecting shaft (2) is equipped with water outlet (105) close to the side of water inlet (103), the irrigation chamber (101) top outer surface is symmetrically arranged with about upper interface (102) and evacuates mouth (106) and the first pressure inductor (107), institute The inner sidewall for stating irrigation chamber (101) is welded with guide rail (108), and the internal vertical of the upper interface (102) is inserted with slide bar (109), the junction of the slide bar (109) and upper interface (102) is fixedly installed with sliding sleeve, and the slide bar (109), which is located at, irrigates The internal one end of chamber (101) is welded with sliding plug (110), and the outer surface of the slide bar (109), which is carved, is equipped with graduated scale (111).
3. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 1, it is characterised in that: the negative pressure Generating device (4) include outer housing (401), vacuum pump (402), vacuum pipe (403), the second pressure inductor (404) and Negative pressure regulating mechanism (7), the outer housing (401) are welded in the inner sidewall of the fixing seat (3), the outer housing (401) Bottom end is fixedly installed with vacuum pump (402), and the top fixing sleeve of the vacuum pump (402) is connected to vacuum pipe (403), described outer The inner roof wall bolt of shell (401) is fixed with the second pressure inductor (404), and the outer surface of the vacuum pipe (403) is fixed Negative pressure regulating mechanism (7) are installed.
4. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 3, it is characterised in that: the negative pressure Regulating mechanism (7) includes mounting plate (701), valve body (702), through hole (703), valve rod (704), spring (705), connecting rod (706) and pull ring (707), mounting plate (701) bolt are fixed on the side lateral wall of outer housing (401), the installation The side sidewall weld of plate (701) has valve body (702), and the valve body (702) offers far from the one end of mounting plate (701) runs through Hole (703), side inner sidewall abutting of the valve body (702) close to through hole (703) have valve rod (704), the valve rod (704) Side side wall be fixedly connected with spring (705), the spring (705) is fixedly connected with connecting rod far from the one end of valve rod (704) (706), the side of the connecting rod (706) is welded with pull ring (707).
5. a kind of negative pressure adjusting device applied to agricultural irrigation, feature described in any one of -3 according to claim 1 Be: the control panel (6) is electrically connected with conducting wire, and control plane close to the side of irrigation rig (1) in the horizontal direction Plate (6) is by conducting wire and irrigates chamber (101) internal first pressure inductor (107) electric connection, the second pressure induction Device (404) is also electrically connected with control panel (6).
6. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 2, it is characterised in that: the guide rail (108) quantity is four and is welded in the inner sidewall for irrigating chamber (101) in a ring, and the outer surface of the sliding plug (110) is opened Equipped with U-lag (8) corresponding with guide rail (108) quantity, and the side wall adhesion rubber sleeve (9) of sliding plug (110), the sliding plug (110) by Qian He of U-lag (8) and guide rail (108) and the inner sidewall of irrigation chamber (101) is slidably matched and rubber sleeve (9) it is abutted against with the inner sidewall for irrigating chamber (101).
7. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 2 or 3, it is characterised in that: described Vacuum pipe (403) one end and evacuation mouth (106) flanged joint far from vacuum pump (402), (401 close to filling for the outer housing The side lateral wall for irrigating chamber (101) offers external tapping.
8. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 3 or 4, it is characterised in that: described The internal vertical of valve body (702) offers through-hole corresponding with vacuum pipe (403), and the vacuum pipe (403) passes through logical Hole with valve body (702) is perpendicular plugs, the inside of the mounting plate (701) offers through-hole, and connecting rod (706) level plugs In in the through-hole of the mounting plate (701).
9. a kind of negative pressure adjusting device applied to agricultural irrigation according to claim 1 or 3, it is characterised in that: described The inner sidewall of outer housing (401) be fixedly installed with control panel (6) be electrically connected battery, the vacuum pump (402) with Battery is electrically connected.
CN201910408888.5A 2019-05-16 2019-05-16 A kind of negative pressure adjusting device applied to agricultural irrigation Pending CN109997665A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110754332A (en) * 2019-12-11 2020-02-07 裴文超 Agricultural production is with automatic irrigation equipment of timing

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Publication number Priority date Publication date Assignee Title
CN2655869Y (en) * 2003-09-19 2004-11-17 董明 Pumping type electric air massage device
CN102518815A (en) * 2011-12-14 2012-06-27 广东生益科技股份有限公司 Vacuum chamber negative pressure adjusting device and method for using same
WO2014181351A2 (en) * 2013-04-26 2014-11-13 Eesavyasa Technologies Pvt.Ltd. Compressed air based micro irrigation systems including sprayers, sprinklers and drip irrigation
CN204133918U (en) * 2014-10-23 2015-02-04 南阳医学高等专科学校第一附属医院 A kind of Vasculocardiology Deparment drainage bottle
CN106305370A (en) * 2016-08-22 2017-01-11 张小峰 Negative-pressure adjusting device applied to agricultural irrigation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2655869Y (en) * 2003-09-19 2004-11-17 董明 Pumping type electric air massage device
CN102518815A (en) * 2011-12-14 2012-06-27 广东生益科技股份有限公司 Vacuum chamber negative pressure adjusting device and method for using same
WO2014181351A2 (en) * 2013-04-26 2014-11-13 Eesavyasa Technologies Pvt.Ltd. Compressed air based micro irrigation systems including sprayers, sprinklers and drip irrigation
CN204133918U (en) * 2014-10-23 2015-02-04 南阳医学高等专科学校第一附属医院 A kind of Vasculocardiology Deparment drainage bottle
CN106305370A (en) * 2016-08-22 2017-01-11 张小峰 Negative-pressure adjusting device applied to agricultural irrigation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110754332A (en) * 2019-12-11 2020-02-07 裴文超 Agricultural production is with automatic irrigation equipment of timing

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Application publication date: 20190712

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