A kind of water conservancy irrigation device that can change water yield according to rainfall
Technical field
The utility model relates to water conservancy irrigation technical field, specially a kind of water that can change water yield according to rainfall
Sharp irrigation rig.
Background technique
China is large agricultural country, in terms of agricultural, plantation and irrigate etc. be all as part and parcel, it is especially right
In water conservancy irrigation, there is tremendous influence for the high yield of crops, excessive water cannot be irrigated during irrigation, also not
Very few water can be irrigated, otherwise can all yield be enabled to reduce, and now irrigation method be generally adopted by automatic irrigation, but this
Kind of mode cannot freely control the amount irrigated in this period of time, if irrigation rig still irrigates same amount after the rainy day
Water, it is easy to enable crops reduce yield because of hypervolia, if it is possible to design one kind after rainfall, can be according to drop
The irrigation rig of rainfall change water yield, so that it may problems are solved, for this purpose, it is proposed that one kind can change according to rainfall
Become the water conservancy irrigation device of water yield.
Utility model content
The purpose of this utility model is to provide a kind of water conservancy irrigation device that can change water yield according to rainfall, with
Solve the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: one kind can change according to rainfall to be discharged
The water conservancy irrigation device of amount, including central block, the left side wall of the central block are fixedly installed with sole piece and jacking block, the sole piece
Upper side wall offers the first groove body and the second groove body, and the first groove body is connected with the second groove body, and the upper side wall of the jacking block is opened
Equipped with through-hole and third groove body, and through-hole is connected with the second groove body, the fixed peace of the inner sidewall of second groove body and through-hole
Equipped with fixed ring, the inner sidewall of second groove body is inserted with kickboard, and the upper side wall of the kickboard is fixedly installed with connecting rod, institute
The upper end for stating connecting rod is fixedly installed with movable plate, and the inner cavity lower wall of the third groove body is fixedly installed with fixed link, described
The lateral wall of fixed link is wound with resistance wire, and the top of resistance wire is wired to the anode of external power supply, the shifting
The lateral wall of movable plate is fixedly installed with mobile bar, and the inner sidewall of the through-hole offers slideway, and mobile bar passes through slideway, described
The right end of mobile bar is fixedly installed with contact, and contact is attached to the lateral wall of resistance wire, and the upper side wall of the central block offers
Rectangular opening, the inner cavity left side wall of the rectangular opening is inlaid with electromagnet, and the positive terminal of electromagnet is wired to touching
Point, negative terminal are wired to the cathode of external power supply, and the inner cavity right side wall of the rectangular opening offers cylinder groove, institute
The inner cavity right side wall for stating cylinder groove is fixedly installed with spring, and the left end of the spring is fixedly installed with plectane, a left side for the plectane
Side wall is fixedly installed with water fender, and the left end of the water fender is fixedly installed with iron plate, the lower wall of the central block inserted with
Return pipe, and return pipe leads to rectangular opening.
Preferably, the upper side wall of the jacking block is fixedly installed with cover.
Preferably, the inner sidewall of the third groove body is fixedly installed with baffle, and the lateral wall of baffle be fixedly installed with it is close
Seal.
Preferably, magnetic conductive board is fixedly installed at the iron core of the electromagnet, the lateral wall of magnetic conductive board is fixedly installed with close
Seal.
Preferably, the inner sidewall of the cylinder groove is fixedly installed with water-stop sheet, and the inner sidewall of the water-stop sheet is fixedly mounted
There is sealing ring, and water fender passes through the sealing ring on water-stop sheet.
Preferably, the upper side wall of the central block is fixedly installed with water-guiding block, and the upper side wall of the water-guiding block is fixedly mounted
There is spray head.
Compared with prior art, the utility model has the beneficial effects that the utility model passes through kickboard, connecting rod, movement
Plate, mobile bar, resistance wire, electromagnet, water fender and the structure of iron plate, after rainy, according to law of connected vessels, kickboard can on
It is floating, and then movable plate and contact is driven to move up, enable the length for being connected to circuit part in resistance wire shorten, and then enable electric in circuit
Stream increases, and increases the magnetism of electromagnet, iron plate and water fender is enabled to be moved to the left, and then can will be divided by the water of rectangular opening
Stream is partially irrigated from spray head outflow, and another part flows back from return pipe, realizes the effect for reducing duty.
Detailed description of the invention
Fig. 1 is the main view cross-sectional view of the utility model.
Fig. 2 is the partial enlarged view of the part the utility model a.
In figure: 1, central block, 2, sole piece, 3, jacking block, the 4, first groove body, the 5, second groove body, 6, through-hole, 7, fixed ring, 8,
Kickboard, 9, connecting rod, 10, movable plate, 11, third groove body, 12, fixed link, 13, resistance wire, 14, mobile bar, 15, slideway, 16,
Contact, 17, rectangular opening, 18, electromagnet, 19, cylinder groove, 20, spring, 21, plectane, 22, water fender, 23, iron plate, 24, cover,
25, baffle, 26, magnetic conductive board, 27, water-stop sheet, 28, water-guiding block, 29, spray head, 30, return pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of technical solution: one kind can change according to rainfall to be discharged
The water conservancy irrigation device of amount, including central block 1, the left side wall of central block 1 are fixedly installed with sole piece 2 and jacking block 3, and jacking block 3 is fixed
On sole piece 2, the upper side wall of sole piece 2 offers the first groove body 4 and the second groove body 5, and the first groove body 4 is connected with the second groove body 5
It is logical, and then the first groove body 4 and the second groove body 5 form linker, while offering multiple apertures (in Fig. 1 in the lower wall of sole piece 2
It is inside drawn, unlabeled), after the rain, the first groove body 4 and the rainwater in the second groove body 5 can slowly be oozed out, jacking block 3 it is upper
Side wall offers through-hole 6 and third groove body 11, and through-hole 6 is connected with the second groove body 5, the inner sidewall of the second groove body 5 and through-hole 6
It is fixedly installed with fixed ring 7, fixed ring 7 plays the role of limiting 8 position of kickboard, while when upside fixed ring 7 and kickboard 8 are pasted
After conjunction, play the role of preventing rainwater from entering in through-hole 6, the inner sidewall of the second groove body 5 is inserted with kickboard 8, the upside of kickboard 8
Wall is fixedly installed with connecting rod 9, and the upper end of connecting rod 9 is fixedly installed with movable plate 10, and kickboard 8, connecting rod 9 and movable plate 10 are equal
For foamed product, density is very low, after rainwater enters in the second groove body 5, can enable kickboard 8, connecting rod 9 and movable plate 10 by
Buoyancy and move up, the inner cavity lower wall of third groove body 11 is fixedly installed with fixed link 12, and the lateral wall of fixed link 12 is wound with electricity
Silk 13 is hindered, and the top of resistance wire 13 is wired to the anode of external power supply, the lateral wall of movable plate 10 is fixedly mounted
There is mobile bar 14, mobile bar 14 is light plastic product, and density is very low, and mobile bar 14 can be moved as movable plate 10 is mobile,
The inner sidewall of through-hole 6 offers slideway 15, and mobile bar 14 passes through slideway 15, and mobile bar 14 can be moved along slideway 15, mobile
The right end of bar 14 is fixedly installed with contact 16, and contact 16 is attached to the lateral wall of resistance wire 13, and the upper side wall of central block 1 offers
Rectangular opening 17, rectangular opening 17 can be connect with water pipe, enable irrigation water by rectangular opening 17, and the inner cavity left side wall of rectangular opening 17 is inlayed
There is electromagnet 18, and the positive terminal of electromagnet 18 is wired to contact 16, negative terminal is wired to outer
The cathode of portion's power supply, and then electromagnet 18, contact 16, the upper part of resistance wire 13 and external power supply connect to form closed circuit,
The inner cavity right side wall of rectangular opening 17 offers cylinder groove 19, and the inner cavity right side wall of cylinder groove 19 is fixedly installed with spring 20, spring
20 left end is fixedly installed with plectane 21, and the left side wall of plectane 21 is fixedly installed with water fender 22, and water fender 22 is very thin thickness
Rectangular slab (sectional view that water fender 22 in Fig. 1 is thickness orientation), be mainly used for stopping part irrigation water, keep off
The left end of water plate 22 is fixedly installed with iron plate 23, and iron plate 23 will receive the magneticaction of electromagnet 18 and carry out the shifting of left and right directions
Dynamic, the mobile left-most position of iron plate 23 will not be bonded with the left side wall of 17 inner cavity of rectangular opening, the electromagnetism that iron plate 23 is subject in Fig. 1
The magnetic force of iron 18 and the elastic force of spring 20 are equilibrant force, and the lower wall of central block 1 is inserted with return pipe 30, and return pipe 30 leads to
Rectangular opening 17 can be flowed back by the water that water fender 22 stops from return pipe 30, and then enable the water drop finally flowed out from rectangular opening 17
It is low, wherein when 22 extension elongation of water fender is longer, the water of reflux is more, and water yield is fewer.
Specifically, the upper side wall of jacking block 3 is fixedly installed with cover 24, cover 24 prevents rainwater from entering in through-hole 6.
Specifically, the inner sidewall of third groove body 11 is fixedly installed with baffle 25, and the lateral wall of baffle 25 is fixedly mounted
There is sealing ring, baffle 25 prevents rainwater from entering in third groove body 11, enables it with better impermeable role by sealing ring.
Specifically, being fixedly installed with magnetic conductive board 26 at the iron core of electromagnet 18, the lateral wall of magnetic conductive board 26 is fixedly mounted
Magnetic conductive board 26 can be enabled with same magnetic and magnetic field intensity after thering is sealing ring, electromagnet 18 to generate magnetism, and then to iron plate
23, which generate magnetic force, attracts, while can effectively prevent by sealing ring and being entered at electromagnet 18 by the water of rectangular opening 17.
Specifically, the inner sidewall of cylinder groove 19 is fixedly installed with water-stop sheet 27, the inner sidewall of water-stop sheet 27 is fixedly mounted
There is sealing ring, and water fender 22 passes through the sealing ring on water-stop sheet 27, can effectively prevent by water-stop sheet 27 and sealing ring
Water in rectangular opening 17 enters in cylinder groove 19.
Specifically, the upper side wall of central block 1 is fixedly installed with water-guiding block 28, the upper side wall of water-guiding block 28 is fixedly installed with
Spray head 29 can be sprayed from spray head 29 after water-guiding block 28 by the irrigation water of rectangular opening 17, be irrigated.
Working principle: when using this water conservancy irrigation device of water yield can be changed according to rainfall, by rectangular opening 17
It is connected to outlet pipe, return pipe 30 connects recovery tank, and when usual, irrigation water can pass sequentially through rectangular opening 17 and water-guiding block 28
It is irrigated afterwards from the ejection of spray head 29, and wherein only has very little part that can flow back from return pipe 30, when rainy, rainwater can be flowed into
It into the first groove body 4, and flows in the second groove body 5, with rainy progress, the water in the second groove body 5 increases, and then passes through
Buoyancy drives kickboard 8, connecting rod 9, movable plate 10 and mobile bar 14 to move up, and also enables contact 16 on the outer surface of resistance wire 13
It moves, the length for enabling resistance wire 13 be connected into circuit shortens, and all-in resistance in circuit is enabled to reduce, and increases total current in circuit, Jin Erhui
Increase the magnetic field strength that electromagnet 18 generates, after the transmitting by magnetic conductive board 26, iron plate 23 is attracted, due to magnetic field strength
Increase, the magnetic force of iron plate 23 is increased, greater than the elastic force of spring 20 at this time, iron plate 23 is enabled to move to left, until what iron plate 23 was subject to
Until magnetic force and elastic force balance again, due to moving to left for iron plate 23, water fender 22 can move to left the length increased in rectangular opening 17,
And then more irrigation water are obstructed with the cooperation of iron plate 23, and this part irrigation water is enabled to flow back into water tank from return pipe 30,
The water for finally enabling spray head 29 spray reduces, and realizes the control according to rainfall and to irrigation water water yield, enables crops can
Preferably to grow, bigger yield is obtained.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.