CN111758530A - Negative pressure adjusting device applied to agricultural irrigation - Google Patents
Negative pressure adjusting device applied to agricultural irrigation Download PDFInfo
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- CN111758530A CN111758530A CN202010777876.2A CN202010777876A CN111758530A CN 111758530 A CN111758530 A CN 111758530A CN 202010777876 A CN202010777876 A CN 202010777876A CN 111758530 A CN111758530 A CN 111758530A
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- 238000003973 irrigation Methods 0.000 title claims abstract description 48
- 230000002262 irrigation Effects 0.000 title claims abstract description 46
- 230000008093 supporting effect Effects 0.000 claims abstract description 56
- 238000010030 laminating Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 8
- 238000009434 installation Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a negative pressure adjusting device applied to agricultural irrigation, and particularly relates to the field of agriculture, which comprises a negative pressure adjusting mechanism, wherein a pressure supporting mechanism is sleeved on the outer wall of the negative pressure adjusting mechanism, and one end of the bottom of the negative pressure adjusting mechanism is connected with a pipeline quick-assembling mechanism; the pipeline fast-assembling mechanism comprises a first built-in semicircular support ring, a first external semicircular support ring is sleeved on the outer wall of the first built-in semicircular support ring, a middle connection seam is formed between the first built-in semicircular support ring and the first external semicircular support ring, and a movable slot is formed between the first built-in semicircular support ring and the first external semicircular support ring. According to the invention, the pipeline quick-assembly mechanism is arranged, and the first external semicircular support ring and the second external semicircular support ring are detached and peeled off by using the middle-arranged connecting joint, so that the pipeline is kept at one end of the pressure support mechanism, and the convenience and the stability of pipeline installation are relatively improved.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a negative pressure adjusting device applied to agricultural irrigation.
Background
Agricultural irrigation methods can be generally divided into traditional ground irrigation, general sprinkling irrigation and micro-irrigation, and the traditional ground irrigation comprises ridge irrigation, furrow irrigation, flood irrigation and flood irrigation, however, the irrigation mode is usually large in water consumption and low in water utilization capacity, is an unreasonable agricultural irrigation mode, in addition, the common spray irrigation technology is a relatively common irrigation mode in Chinese agricultural production, but the water utilization efficiency of the common spray irrigation technology is not high, the modern agricultural micro-irrigation technology comprises micro-spray irrigation, drip irrigation, infiltration irrigation and the like, the irrigation methods are a method for taking water from a water source and supplying the water to farmlands by artificial measures, irrigation can meet the requirement of crops on water and can adjust the conditions of soil air, heat and nutrients, and the irrigation methods comprise the following steps: the ground irrigation is characterized by that it utilizes various irrigation channels to introduce water into the field, and adopts several irrigation methods of furrow irrigation, flood irrigation and flood irrigation, etc. and adopts the parallel buried underground concealed pipes to make the irrigation water infiltrate the root system soil from bottom to top.
In-process at agricultural irrigation, the mode that can use the negative pressure to adjust changes the lift of irrigating to reach required irrigation scope, the irrigation equipment that the negative pressure was adjusted divides formula as an organic whole and disconnect-type, adjusts irrigation equipment to the disconnect-type negative pressure, need be connected the water pipe with the control end, but traditional connected mode all has the water piping connection bore comparatively level and smooth, leads to can't carry out quick grafting, influences the installation effectiveness of reality.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a negative pressure adjustment device for agricultural irrigation, which includes a pipeline quick-assembly mechanism, and a first external semicircular supporting ring and a second external semicircular supporting ring are detached and peeled off by using a middle-mounted connecting joint, so that a pipeline is retained at one end of a pressure supporting mechanism, thereby solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a negative pressure adjusting device applied to agricultural irrigation comprises a negative pressure adjusting mechanism, wherein a pressure supporting mechanism is sleeved on the outer wall of the negative pressure adjusting mechanism, and one end of the bottom of the negative pressure adjusting mechanism is connected with a pipeline quick-mounting mechanism;
pipeline fast-assembling mechanism includes first built-in semicircle support ring, first external semicircle support ring has been cup jointed to the outer wall of first built-in semicircle support ring, all set up between first built-in semicircle support ring and the first external semicircle support ring and put the joint seam, be equipped with movable slot between first built-in semicircle support ring and the first external semicircle support ring, bolt fixed mounting has the first connecting plate of putting in through at the inner chamber middle part of activity slot, the top of activity slot is pegged graft respectively and is had the built-in semicircle support ring of second and the built-in semicircle support ring of second, all put the connecting plate in the second through bolt fixed mounting between the built-in semicircle support ring of second and the built-in semicircle support ring of second, the inner chamber lateral wall fixed mounting of the built-in semicircle support ring of second has a plurality of plastic type to support the.
In a preferred embodiment, it is a plurality of the plastic type support couple all is annular equidistance and sets gradually, the setting of the external semicircle support ring of second all is the one-to-one with the external semicircle support ring of first, the setting of first built-in semicircle support ring all is the one-to-one with the built-in semicircle support ring of second.
In a preferred embodiment, one end of the plastic support hook is fixedly provided with a plurality of spherical anti-slip fixture blocks through bolts, and the plastic support hook and the spherical anti-slip fixture blocks are arranged in a one-to-one correspondence manner.
In a preferred embodiment, the second external semicircular support ring and the top of the second internal semicircular support ring are both welded with an anti-drop support ring through ultrasonic waves, the top of the second internal semicircular support ring is fixedly provided with a flaring type guide plate through bolts, the anti-drop support ring is arranged to be a smooth material, and the first external semicircular support ring is arranged at the bottom of the anti-drop support ring.
In a preferred embodiment, the top of the flaring-type guide plate is fixedly provided with an anti-skid semicircular strip through a bolt, the edge of the outer wall of the first external semicircular support ring is fixedly provided with a peripheral support section through a bolt, and the side wall of the inner cavity of the first external semicircular support ring is fixedly provided with a fitting type panel through a bolt.
In a preferred embodiment, the negative pressure adjusting mechanism comprises an overhead connecting cylinder, a bottom connecting cylinder is connected to the bottom of the overhead connecting cylinder, a flange-shaped sealing connecting section is fixedly mounted at the top of the overhead connecting cylinder through a bolt, and a negative pressure adjusting buckle is connected to the top of the overhead connecting cylinder through the flange-shaped sealing connecting section.
In a preferred embodiment, the top of overhead connecting cylinder is buckled through negative pressure regulation and is fixedly installed the spool connecting seat, the one end connection of spool connecting seat is equipped with connection type spool, the outer wall fixed mounting of end connecting cylinder has the support type lantern ring, the bottom of end connecting cylinder is equipped with the external screw thread linkage segment.
In a preferred embodiment, the pressure support mechanism comprises a first support connecting ring, a second support connecting ring is fixedly mounted at the bottom of the first support connecting ring, a first middle clamping section and a second middle clamping section are respectively fixedly mounted between the first support connecting ring and the second support connecting ring through bolts, and the first middle clamping section and the second middle clamping section are respectively arranged in a one-to-one correspondence manner.
In a preferred embodiment, put joint section and the second in the first one side that the joint section is close all through bolt fixed mounting have built-in laminating type snap ring, the quantity of built-in laminating type snap ring sets up to a plurality ofly, two adjacent all the welding has a plurality of arcs to support the billet between the built-in laminating type snap ring, put joint section and the second in the first and all have a plurality of spring to pull the pole through bolt fixed mounting between the joint section.
The invention has the technical effects and advantages that:
1. according to the pipeline quick-assembling mechanism, the pipeline to be connected is inserted into the inner cavity of the second built-in semicircular support ring through the pipeline quick-assembling mechanism, so that the pipeline is inserted to one side of the plurality of plastic support hooks through the flaring type guide plate for supporting, the second external semicircular support ring and the second built-in semicircular support ring are used for driving the pipeline to be simultaneously inserted into the inner cavity of the movable slot, after the insertion is completed, the pipeline continues to extend towards the direction of the plastic support hooks, the plastic support hooks are deformed, the first external semicircular support ring and the second external semicircular support ring are detached and peeled off through the middle-arranged connecting seam, the pipeline is reserved at one end of the pressure support mechanism, the pipeline connection can be completed, and the convenience and the stability of pipeline installation are relatively improved;
2. according to the invention, the pressure supporting mechanism is arranged, when the negative pressure adjusting mechanism works, the spring pulling rod pushes the first middle clamping section to move towards the direction close to the second middle clamping section, and the radian of the arc-shaped supporting steel bar is utilized, so that the first middle clamping section can drive the arc-shaped supporting steel bar to abut against the surface of a supported object when sliding, thus the explosion-proof and supporting effects are achieved, and the working stability of the positive pressure section and the negative pressure section of the negative pressure adjusting mechanism is relatively improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic axial side structure of the present invention.
Fig. 3 is a schematic structural diagram of the negative pressure adjusting mechanism and the pressure supporting mechanism according to the present invention.
Fig. 4 is a partial structural schematic view of the pressure support mechanism of the present invention.
Fig. 5 is a schematic structural diagram of the pipe quick-assembling mechanism of the invention.
Fig. 6 is a structural sectional view of the pipe quick-assembling mechanism of the invention.
FIG. 7 is an enlarged view of the portion A of FIG. 6 according to the present invention.
FIG. 8 is an enlarged view of the portion B of FIG. 6 according to the present invention.
The reference signs are: 1 negative pressure adjusting mechanism, 101 top-set connecting cylinder, 102 bottom-set connecting cylinder, 103 flange-shaped sealing connecting section, 104 negative pressure adjusting buckle, 105 wire tube connecting seat, 106 connecting type wire tube, 107 supporting type lantern ring, 108 external thread connecting section, 2 pressure supporting mechanism, 21 first supporting connecting ring, 22 second supporting connecting ring, 23 first middle clamping section, 24 second middle clamping section, 25 built-in joint type snap ring, 26 arc supporting steel bar, 27 spring pulling rod, 3 pipeline quick-assembling mechanism, 31 first built-in semicircular supporting ring, 32 first built-in semicircular supporting ring, 33 middle connecting seam, 34 movable slot, 35 first middle connecting plate, 36 second built-in semicircular supporting ring, 37 second built-in semicircular supporting ring, 38 second middle connecting plate, 39 plastic supporting hook, 310 spherical anti-skidding block, 311 anti-shedding supporting ring, 312 flared guiding plate, 313 anti-shedding semi-skidding strip, 313 anti-shedding semi-skidding supporting ring, The peripheral support sections 314, 315 conform to the profile plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-8 in the specification, the negative pressure adjusting device applied to agricultural irrigation in an embodiment of the invention may include a negative pressure adjusting mechanism 1, wherein the negative pressure adjusting mechanism 1 is a PC200865 series negative pressure adjusting valve for agricultural irrigation, a pressure supporting mechanism 2 is sleeved on an outer wall of the negative pressure adjusting mechanism 1, one end of a bottom of the negative pressure adjusting mechanism 1 is connected with a pipeline quick-assembling mechanism 3, the pipeline quick-assembling mechanism 3 includes a first built-in semicircular supporting ring 31, a first external semicircular supporting ring 32 is sleeved on an outer wall of the first built-in semicircular supporting ring 31, the first built-in semicircular supporting ring 31 and the first external semicircular supporting ring 32 are arranged to achieve supporting and bearing effects, a middle connecting seam 33 is arranged between the first built-in semicircular supporting ring 31 and the first external semicircular supporting ring 32, a movable slot 34 is arranged between the first built-in semicircular supporting ring 31 and the first external semicircular supporting ring 32, a first middle connecting plate 35 is fixedly arranged in the middle of an inner cavity of the movable slot 34 through bolts, a second external semicircular support ring 36 and a second internal semicircular support ring 37 are respectively inserted into the top of the movable slot 34, the second external semicircular support ring 36 and the second internal semicircular support ring 37 can be inserted together along with a pipeline to improve the convenience of disassembly and assembly, a second middle connecting plate 38 is fixedly arranged between the second external semicircular support ring 36 and the second internal semicircular support ring 37 through bolts, a plurality of plastic support hooks 39 are fixedly arranged on the inner cavity side wall of the second internal semicircular support ring 37, the plurality of plastic support hooks 39 are sequentially arranged in an annular equidistant manner, the second external semicircular support ring 36 and the first external semicircular support ring 32 are arranged in a one-to-one correspondence manner, the first internal semicircular support ring 31 and the second internal semicircular support ring 37 are arranged in a one-to-one correspondence manner, one end of the plastic supporting hook 39 is fixedly provided with a spherical anti-skid fixture block 310 through a bolt, the arrangement of the spherical anti-skid fixture block 310 can achieve the anti-skid effect, the number of the spherical anti-skid fixture blocks 310 is arranged to be a plurality, the plastic supporting hooks 39 and the spherical anti-skid fixture blocks 310 are arranged in a one-to-one correspondence manner, the tops of the second external semicircular supporting ring 36 and the second internal semicircular supporting ring 37 are both welded with an anti-drop supporting ring 311 through ultrasonic waves, the anti-drop supporting ring 311 is arranged to achieve the guiding and supporting effects on the pipeline, the top of the second internal semicircular supporting ring 37 is fixedly provided with a flared guide plate 312 through a bolt, the anti-drop supporting ring 311 is arranged to be a smooth material, the first external semicircular supporting ring 32 is arranged at the bottom of the anti-drop supporting ring 311, and the top of the flared guide plate 312, the setting of antiskid type semicircle strip 313 can reach the effect that prevents the pipeline and drop, and the outer wall edge of first external semicircle support ring 32 all has peripheral support section 314 through bolt fixed mounting, and the inner chamber lateral wall of first external semicircle support ring 32 has laminating type panel 315 through bolt fixed mounting, and the setting of putting connecting seam 33 in can promote the convenience of dismouting.
The negative pressure adjusting mechanism 1 comprises an overhead connecting cylinder 101, the bottom of the overhead connecting cylinder 101 is connected with a bottom connecting cylinder 102, the top of the overhead connecting cylinder 101 is fixedly provided with a flange-shaped sealing connecting section 103 through bolts, the top of the overhead connecting cylinder 101 is connected with a negative pressure adjusting buckle 104 through the flange-shaped sealing connecting section 103, the top of the overhead connecting cylinder 101 is fixedly provided with a wire tube connecting seat 105 through the negative pressure adjusting buckle 104, one end of the wire tube connecting seat 105 is connected with a connecting type wire tube 106, the outer wall of the bottom connecting cylinder 102 is fixedly provided with a supporting type lantern ring 107, the bottom of the bottom connecting cylinder 102 is provided with an external thread connecting section 108, the pressure supporting mechanism 2 comprises a first supporting connecting ring 21, the bottom of the first supporting connecting ring 21 is fixedly provided with a second supporting connecting ring 22, and the first supporting connecting ring 21 and the second supporting connecting ring 22 are both fixedly connected with the negative pressure adjusting, a first middle clamping section 23 and a second middle clamping section 24 are fixedly arranged between the first support connecting ring 21 and the second support connecting ring 22 through bolts respectively, the first middle clamping section 23 and the second middle clamping section 24 are arranged in a one-to-one correspondence manner, the second support connecting ring 22 and the second middle clamping section 24 are mutually fixed, the first middle clamping section 23 is connected to the outer wall of the first support connecting ring 21 in a sliding manner, built-in joint type clamping rings 25 are fixedly arranged on one sides of the first middle clamping section 23 close to the second middle clamping section 24 through bolts, the number of the built-in joint type clamping rings 25 is multiple, a plurality of arc-shaped support steel bars 26 are welded between two adjacent built-in joint type clamping rings 25, a plurality of spring pulling bars 27 are fixedly arranged between the first middle clamping section 23 and the second middle clamping section 24 through bolts, and the arc-shaped support steel bars 26 can utilize the radian of the arc-shaped support steel bars, so as to achieve the function of supporting the object to be fixed.
The working principle is as follows: firstly, taking out the parts required by the invention for convenient installation and use, when in actual use, taking out the pipeline to be connected, inserting the pipeline into the inner cavity of the second built-in semicircular support ring 37, inserting the pipeline into one side of a plurality of plastic support hooks 39 through the flaring type guide plate 312 for supporting, driving the pipeline to be simultaneously inserted into the inner cavity of the movable slot 34 by using the second built-in semicircular support ring 36 and the second built-in semicircular support ring 37, after the insertion is finished, continuing extending the pipeline towards the direction of the plastic support hooks 39 to deform the plastic support hooks 39, inserting the pipeline into one end of the pressure support mechanism 2 at the moment, removing the first built-in semicircular support ring 32 and the second built-in semicircular support ring 36 by using the middle connection seam 33, and keeping the pipeline at one end of the pressure support mechanism 2 to finish the pipeline connection, when negative pressure adjustment mechanism 1 worked, spring pulling pole 27 promoted the first in put joint section 23 to the direction motion of putting joint section 24 in being close to the second, utilized the radian of arc support billet 26 self for joint section 23 can drive the arc support billet 26 and support the surface at the supported object when sliding in the first in put, thereby reach explosion-proof and supported effect.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a be applied to agricultural irrigation's negative pressure adjusting device, includes negative pressure adjustment mechanism (1), its characterized in that: the outer wall of the negative pressure adjusting mechanism (1) is sleeved with a pressure supporting mechanism (2), and one end of the bottom of the negative pressure adjusting mechanism (1) is connected with a pipeline quick-mounting mechanism (3);
the pipeline quick-assembling mechanism (3) comprises a first built-in semicircular support ring (31), a first external semicircular support ring (32) is sleeved on the outer wall of the first built-in semicircular support ring (31), a middle connecting seam (33) is arranged between the first built-in semicircular support ring (31) and the first external semicircular support ring (32), a movable slot (34) is arranged between the first built-in semicircular support ring (31) and the first external semicircular support ring (32), a first middle connecting plate (35) is fixedly installed in the middle of an inner cavity of the movable slot (34) through bolts, a second external semicircular support ring (36) and a second built-in semicircular support ring (37) are respectively inserted into the top of the movable slot (34), a second middle connecting plate (38) is fixedly installed between the second external semicircular support ring (36) and the second built-in semicircular support ring (37) through bolts, the inner cavity side wall of the second built-in semicircular support ring (37) is fixedly provided with a plurality of plastic support hooks (39).
2. The negative pressure regulating device applied to agricultural irrigation according to claim 1, wherein: it is a plurality of plastic type support couple (39) all are the annular equidistance and set gradually, the setting of one-to-one is all to external semicircle support ring of second (36) and first external semicircle support ring (32), first built-in semicircle support ring (31) all is the one-to-one setting with built-in semicircle support ring of second (37).
3. The negative pressure regulating device applied to agricultural irrigation according to claim 1, wherein: the one end of plastic type support couple (39) is passed through bolt fixed mounting and is had ball-type antiskid fixture block (310), the quantity of ball-type antiskid fixture block (310) sets up to a plurality ofly, and is a plurality of plastic type support couple (39) all are the one-to-one setting with ball-type antiskid fixture block (310).
4. The negative pressure regulating device applied to agricultural irrigation according to claim 1, wherein: the top of the second externally-arranged semicircular support ring (36) and the second internally-arranged semicircular support ring (37) is both welded with an anti-drop support ring (311) through ultrasonic waves, the top of the second internally-arranged semicircular support ring (37) is provided with a flaring type guide plate (312) through bolt fixed mounting, the anti-drop support ring (311) is set to a smooth type material, and the first externally-arranged semicircular support ring (32) is arranged at the bottom of the anti-drop support ring (311).
5. The negative pressure regulating device applied to agricultural irrigation as claimed in claim 4, wherein: the top of flaring type guide board (312) has antiskid type semicircle strip (313) through bolt fixed mounting, the outer wall edge of first external semicircle support ring (32) all has peripheral support section (314) through bolt fixed mounting, the inner chamber lateral wall of first external semicircle support ring (32) has laminating type panel (315) through bolt fixed mounting.
6. The negative pressure regulating device applied to agricultural irrigation according to claim 1, wherein: the negative pressure adjusting mechanism (1) comprises an overhead connecting cylinder (101), the bottom of the overhead connecting cylinder (101) is connected with a bottom connecting cylinder (102), a flange-shaped sealing connecting section (103) is fixedly mounted at the top of the overhead connecting cylinder (101) through a bolt, and a negative pressure adjusting buckle (104) is connected and arranged at the top of the overhead connecting cylinder (101) through the flange-shaped sealing connecting section (103).
7. The negative pressure regulating device applied to agricultural irrigation as claimed in claim 6, wherein: the top of overhead connecting cylinder (101) is adjusted through the negative pressure and is detained (104) fixed mounting has spool connecting seat (105), the one end of spool connecting seat (105) is connected and is equipped with connection type spool (106), the outer wall fixed mounting that puts connecting cylinder (102) at the bottom has support type lantern ring (107), the bottom of putting connecting cylinder (102) at the bottom is equipped with external screw thread connection section (108).
8. The negative pressure regulating device applied to agricultural irrigation according to claim 1, wherein: pressure supporting mechanism (2) are including first support go-between (21), the bottom fixed mounting that first support go-between (21) has the second to support go-between (22), there is first in put joint section (23) and the second through bolt fixed mounting respectively between first support go-between (21) and the second support go-between (22) and put joint section (24) in joint section (23) and the second, put joint section (24) in joint section (23) and the second in the first and all be the one-to-one setting.
9. The negative pressure regulating device applied to agricultural irrigation according to claim 7, wherein: put joint section (23) in the first and put joint section (24) in the second one side close and all have built-in laminating type snap ring (25) through bolt fixed mounting, the quantity of built-in laminating type snap ring (25) sets up to a plurality ofly, two adjacent all the welding has a plurality of arcs to support billet (26) between built-in laminating type snap ring (25), put joint section (23) in the first and put between joint section (24) in the second and all have a plurality of spring pulling poles (27) through bolt fixed mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777876.2A CN111758530B (en) | 2020-08-05 | 2020-08-05 | Negative pressure adjusting device applied to agricultural irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777876.2A CN111758530B (en) | 2020-08-05 | 2020-08-05 | Negative pressure adjusting device applied to agricultural irrigation |
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| CN111758530A true CN111758530A (en) | 2020-10-13 |
| CN111758530B CN111758530B (en) | 2022-02-15 |
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| CN202010777876.2A Active CN111758530B (en) | 2020-08-05 | 2020-08-05 | Negative pressure adjusting device applied to agricultural irrigation |
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