CN107926619B

CN107926619B - Bernoulli principle-based automatic telescopic gate type landscaping irrigation method

Info

Publication number: CN107926619B
Application number: CN201711128723.XA
Authority: CN
Inventors: 费先艳
Original assignee: Shanghai Changjie Ecological Construction Engineering Co Ltd
Current assignee: Shanghai Changjie Ecological Construction Engineering Co ltd
Priority date: 2017-11-15
Filing date: 2017-11-15
Publication date: 2020-12-08
Anticipated expiration: 2037-11-15
Also published as: CN107926619A

Abstract

The invention discloses an automatic telescopic gate type landscaping irrigation method based on Bernoulli principle, which comprises the following steps: a stretching stage; opening the automatic control valve, extending the first water outlet pipe outwards, synchronously moving the rotating mechanism, driving the opening and closing assembly to switch from a closed state to an open state by the movement of the rotating mechanism, and opening the extending hole; a water outlet stage; the first water outlet pipe continuously penetrates through the extension hole to extend outwards until the first water outlet pipe and the second water outlet pipe are communicated with each other, and water flow is sprayed outwards by the rotary spray head; a transition stage; the automatic control valve is in a transition state, the spray head stops spraying water outwards, and the first water outlet pipe is still in an extension state; a contraction phase; the automatic control valve is in a closed state, the first water outlet pipe is contracted into the second water outlet pipe under the action of water flow, the rotating mechanism moves synchronously, the opening and closing component is driven by the rotating mechanism to be switched from an open state to a closed state, and when the first water outlet pipe is contracted into the second water outlet pipe, the opening and closing component is completely closed, and the extending hole is completely closed.

Description

Bernoulli principle-based automatic telescopic gate type landscaping irrigation method

Technical Field

The invention relates to an opening and closing method, in particular to an automatic telescopic closing method.

Background

Along with the development of economy, sustainable development, green economy obtains more and more attention of people, simultaneously, urban afforestation also is as the important index of a measurement urban development potentiality gradually, what is indispensable among the urban afforestation is regularly watering the vegetation of planting, the irrigation equipment that prior art provided sets up subaerially in the form of going above the earth's surface mostly, so not only occupation space and easily becoming the barrier, expose outside simultaneously and accelerated its corrosion rate, greatly reduced its life, in addition, the shower nozzle that prior art provided can not carry out 360 degrees sprays, irrigate and have the dead angle, in order to solve this phenomenon, the number of shower nozzle has to be increased, thereby the cost has further been increased.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide an automatic telescopic brake closing method which is simple in principle and high in reliability.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

An automatic telescopic gate type landscaping irrigation method based on Bernoulli principle comprises the following steps:

(one) a stretching stage;

s1: the water flow enters the drainage tube from the urban water supply pipeline through the fourth high-pressure tube, further, the water flow enters the third high-pressure tube, in the process, the water in the water storage tank enters the drainage tube from the second high-pressure tube through the third interface and is converged into the third high-pressure tube together with the water in the urban water supply pipeline, then, the water flow enters the automatic control valve through the second interface from the third high-pressure tube, the water flow enters the water containing channel, the water flow enters the third water guide hole from the water containing channel through the first water guide hole, further, the water flow enters the second water guide hole, the water flow enters the third water guide hole through the second flow channel, and then, the water flow enters the transition cavity of the telescopic water outlet mechanism;

the telescopic water outlet mechanism further comprises a first water outlet pipe and a second water outlet pipe, wherein the first water outlet pipe is coaxially and movably sleeved inside the second water outlet pipe, the first water outlet pipe can move along the central axis of the second water outlet pipe, a limiting mechanism used for limiting the first water outlet pipe to be separated from the second water outlet pipe is arranged between the first water outlet pipe and the second water outlet pipe, when the first water outlet pipe moves to the limiting mechanism, the first water outlet pipe and the second water outlet pipe are communicated with each other, the first water outlet pipe comprises a water outlet pipe body and a positioning conduction mechanism which is coaxially arranged with the water outlet pipe body and communicated with each other, the excircle diameter of the water outlet pipe body is smaller than the inner cavity diameter of the second water outlet pipe body, the positioning conduction mechanism is matched with the inner cavity of the second water outlet pipe body, a water containing cavity is formed between the water outlet pipe body, the second water outlet pipe body and the positioning, A transition cavity is formed between the inner cavity wall parts of the second water outlet pipe;

the telescopic water outlet mechanism also comprises a rotating mechanism which is coaxially sleeved outside the second water outlet pipe and communicated with the water outlet end of the first water outlet pipe, and the water outlet end of the rotating mechanism is communicated with a spray head;

the gradual change opening and closing mechanism is coaxially sleeved outside the rotating mechanism and comprises a driving sleeve coaxially and movably sleeved outside the rotating mechanism, a sealing mounting disc matched with the opening end of the shell and an opening and closing assembly arranged between the driving sleeve and the sealing mounting disc, the sealing mounting disc comprises a sealing mounting disc body, an extending hole used for extending the telescopic water outlet mechanism is formed in the center of the sealing mounting disc body, the driving sleeve is used for receiving driving force and transmitting the driving force to the opening and closing assembly, the opening and closing assembly is used for receiving the driving force transmitted by the driving sleeve and utilizing the driving force to drive the opening and closing assembly to open and close the gradual change opening and closing mechanism, and the extending hole is further opened and closed; the control switch controls the driving motor to rotate clockwise, the automatic control valve is switched from a closed state to an open state, at the moment, the third water guide hole is communicated with the second water guide hole, and the second water guide hole is communicated with the first water guide hole;

s2: the water flow contacts with the water stop plate, under the action of water pressure, the water flow generates thrust which points from the water inlet end of the second water outlet pipe to the water outlet end of the second water outlet pipe along the central axis of the second water outlet pipe, the thrust pushes the first water outlet pipe to move from the water inlet end of the second water outlet pipe to the water outlet end of the second water outlet pipe along the central axis of the second water outlet pipe, the shell moves synchronously, the guide pillar moves along the driving section of the driving groove, the driving sleeve of the guide pillar pushes the driving sleeve to rotate around the axis of the guide pillar, the support ring moves synchronously along with the rotation of the driving sleeve, meanwhile, the limiting rod moves from the starting point of the limiting guide groove to the end point of the limiting guide groove along the guiding direction of the limiting guide groove, the sealing plates rotate anticlockwise around the positioning rod under the driving of the crank, so that the first sealing edge of one, the opening and closing assembly is opened, and when the limiting rod moves to the end point of the limiting guide groove, the opening and closing assembly is completely opened, so that the extension hole is in an open state;

(II) water discharging stage;

s3: the guide post synchronously moves in the guide section along with the movement of the first shell, in the process, the water containing cavity is gradually reduced, water and/or air in the water containing cavity enters the water guide hole IV through the flow channel III, further, water flow enters the water guide hole I through the flow channel I and then enters the water containing gap through the second water guide hole, further, the water flow enters the first high-pressure pipe through the water containing gap and the interface I, and finally enters the water storage tank through the first high-pressure pipe, the first water outlet pipe extends outwards through the extension hole until the limit convex strip is contacted with the built-in step, the first water outlet pipe is communicated with the second water outlet pipe, water flows into the first water outlet pipe from the second water outlet pipe and drives the rotating device to rotate, and finally the water is sprayed out through the rotating spray head to finish irrigation, water and/or air in the cavity are completely discharged, and the transition cavity is filled with water and/or air;

(III) a transition stage;

s4: an operator controls the driving motor to work through the control switch, the driving motor drives the valve core to rotate anticlockwise, and when the automatic control valve is in a transition state between an open state and a closed state, the first water guide hole and the second water guide hole are both in a disconnected state, the spray head stops discharging water, and the first water outlet pipe is still in an extending state;

(IV) a contraction stage;

s5: the driving motor continues to drive the valve core to rotate anticlockwise, when the automatic control valve is in a closed state after finishing transition, at the moment, the third water guide hole is communicated with the first water guide hole, the fourth water guide hole is communicated with the second water guide hole, and the telescopic water outlet mechanism is switched from an extension state to a contraction state;

s6: the water flow enters the drainage tube from the urban water supply pipeline through the fourth high-pressure tube, and further enters the third high-pressure tube, in the process, the water in the water storage tank enters the drainage tube from the second high-pressure tube through the third interface and is converged into the third high-pressure tube together with the water in the urban water supply pipeline, then the water flow enters the automatic control valve through the second interface from the third high-pressure tube, enters the water containing channel, enters the third water guide hole from the water containing channel through the first water guide hole, further enters the fourth water guide hole through the first flow channel, then enters the third flow channel, and further enters the water containing cavity through the third flow channel;

s7: the water flow contacts with the wall of the conduction pipe, under the action of water pressure, the first water outlet pipe moves from the water outlet end of the second water outlet pipe to the water inlet end of the second water outlet pipe along the central axis direction of the second water outlet pipe, the first water outlet pipe is disconnected with the second water outlet pipe, the shell body moves synchronously, the guide post moves along the guide section of the drive groove, when the spray head moves to the inner cavity of the shell body, the guide post moves to the drive section from the guide section, the push drive sleeve of the guide post rotates around the axis of the guide post, the support ring moves synchronously, the limiting rod moves from the end point of the limiting guide groove to the start point of the limiting guide groove along the guide direction of the limiting guide groove, the sealing plates rotate clockwise around the positioning rod under the drive of the crank, so that the first sealing edge of one sealing plate between the adjacent sealing plates and the second sealing edge of the other, when the limiting rod moves to the starting point of the limiting guide groove, the opening and closing assembly is completely closed, so that the extending hole is in a closed state, in the process, the transition cavity is gradually reduced, water and/or air in the transition cavity enter the water guide hole III, further, water flow enters the water guide hole II through the flow channel II from the water guide hole III, then enters the water containing gap through the fourth water guide hole along with the water flow, enters the first high-pressure pipe through the water containing gap through the interface I, finally enters the water storage tank through the first high-pressure pipe until the first water outlet pipe is completely contracted into the second water outlet pipe, at the moment, the water and/or the air in the transition cavity are completely discharged, and the water containing cavity is filled with the water and/or the air.

The gradual change mechanism that opens and shuts coaxial cover locate the outside of flexible water mechanism, gradual change mechanism that opens and shuts includes that coaxial activity cup joints in the outside drive sleeve of rotary mechanism, with the sealed mounting disc of casing open end matching, set up the subassembly that opens and shuts between drive sleeve and sealed mounting disc, sealed mounting disc include sealed mounting disc body, sealed mounting disc body center department offers and is used for the stretching out hole that flexible water mechanism stretches out, the drive sleeve be used for receiving drive power and with this drive power transmission to the subassembly that opens and shuts, the subassembly that opens and shuts be used for receiving the drive power of drive sleeve transmission and utilize the motion of this drive power drive subassembly that opens and shuts to realize opening and closing of gradual change mechanism that opens and shuts.

The driving sleeve comprises a connecting ring and a driving cylinder, the connecting ring is coaxially sleeved on the outer circular surface of the driving cylinder, the top end surface of the connecting ring is flush with the upper end surface of the driving cylinder, a driving groove which is used for driving the opening and closing assembly to open and close and is matched with the guide pillar is formed in the outer circular surface of the driving cylinder, the driving groove comprises a driving section and a guiding section, the extending direction of the guiding section is parallel to the central axis direction of the driving cylinder, the guiding section is communicated with the upper end surface of the driving cylinder, the driving section is communicated with the guiding section at an angle, the range of a smaller included angle between the driving section and the guiding section is 120-160 degrees, the two driving grooves are symmetrical about the center of the driving cylinder, the guide pillar is matched with the driving groove in a sliding mode, and the guide pillar slides along the driving groove in the movement process of the shell.

The sealing installation disc body and the shell matched end face are coaxially nested with each other to be provided with a first installation groove and a second installation groove, the second installation groove is located between the extending hole and the first installation groove, the first installation groove is matched with the opening end of the shell, the end face of the inner groove wall of the second installation groove, which is close to the extending hole, is provided with a positioning rod, the extending direction of the positioning rod is parallel to the central axis of the sealing installation disc, the five positioning rods are evenly distributed along the circumference of the extending hole at intervals, the groove bottom of the second installation groove is also provided with a limiting rod, the extending direction of the limiting rod is parallel to the central axis of the sealing installation disc, the five limiting rods are arranged, the limiting rods are evenly distributed along the circumference of the second installation groove at intervals and respectively correspond to the positioning rods one by one, the opening and closing assembly comprises a support ring, The sealing plate is movably connected with the support ring, the support ring is detachably connected with the connecting ring, the support ring can move synchronously with the driving sleeve, a limiting guide groove matched with the limiting rod in a sliding mode is formed in the support ring, the support ring and the second mounting groove are coaxially arranged, and the limiting rod and the limiting guide groove are in sliding fit to limit the support ring to rotate between the starting point and the end point of the limiting guide groove.

The sealing plates are arranged into a plurality of sealing plates which can be spliced into a complete circle, the sealing plates are connected with the support ring through the crank, one end of the crank is hinged with the support ring, the other end of the crank is hinged with the sealing plates, the core lines of the hinged shafts are all parallel to the central axis direction of the support ring, the sealing plates are triangular plate bodies with three sides connected in an arc line, the three sides of the sealing plates are respectively a first sealing side, a second sealing side and a supporting side, the five sealing plates are arranged and are obtained by equally dividing a circle into five parts, the first sealing side of one sealing plate between every two adjacent sealing plates is matched with the second sealing side of the other sealing plate to realize sealing, the supporting sides are matched with the inner ring of the support ring, the hinged point of the crank and the sealing plates is positioned at the position, close to the supporting sides, on the sealing plates, supporting, the sealing plate rotates by taking the positioning rod as a center.

Compared with the prior art, the water faucet has the advantages that the water faucet can be switched between the telescopic water outlet state and the telescopic water retaining state, when the water faucet is not used, the water faucet is in the telescopic state and is flush with the ground, the water faucet is attractive in appearance and does not occupy space, meanwhile, the water outlet nozzle can rotate 360 degrees without dead angles, watering of flowers and plants to the maximum extent is facilitated, in addition, the water faucet is further provided with the gradual-change opening and closing mechanism, the telescopic water outlet mechanism can be sealed in the shell, corrosion of the water faucet is further slowed down, and the service life of the water faucet is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention in a contracted closed state.

Fig. 2 is a schematic structural view of the present invention in an extended and opened working state.

Fig. 3 is a schematic view of the internal structure of the present invention.

FIG. 4 is a schematic diagram of the automatic control valve, the base and the control pipe network according to the present invention.

Fig. 5 is a schematic view of the base structure of the present invention.

Fig. 6 is a schematic view of the arrangement of the communication mechanism of the present invention within the base.

FIG. 7 is a schematic diagram of the engagement between the automatic control valve and the base according to the present invention.

Fig. 8 is a schematic view of the valve core structure of the present invention.

Fig. 9 is a schematic diagram of the matching of the driving motor and the valve core of the present invention.

FIG. 10 is a schematic view of a fastening end cap according to the present invention.

FIG. 11 is a schematic view of a Bernoulli self-primer tube of the present invention.

Fig. 12 is a schematic view of the structure of the water storage tank of the present invention.

Fig. 13 is a schematic structural view of the telescopic water outlet mechanism of the present invention in a contracted and water-retaining state.

Fig. 14 is a schematic structural view of the telescopic water outlet mechanism of the present invention in a water extended state.

Fig. 15 is a schematic structural diagram of a positioning conduction mechanism of the present invention.

Fig. 16 is a schematic view of the combination of the rotating mechanism and the telescopic water outlet mechanism of the present invention.

Fig. 17 is a schematic view of the internal structure of the rotating mechanism of the present invention.

Fig. 18 is a schematic view of the rotation mechanism and the nozzle of the present invention.

Fig. 19 is a schematic view of a housing structure in the rotating mechanism of the present invention.

Fig. 20 is a schematic view of the engagement between the driving sleeve and the opening/closing assembly and the sealing mounting plate in the gradual opening/closing mechanism of the present invention.

Fig. 21 is a schematic view of the driving sleeve structure of the present invention.

Fig. 22 is a schematic view of the engagement of the shutter assembly of the present invention with the seal mounting plate.

Fig. 23 is a schematic view of the seal mounting plate structure of the present invention.

Fig. 24 is a schematic view of the opening and closing assembly of the present invention in a sealed state.

Fig. 25 is a schematic view of the opening and closing assembly of the present invention in a half-opened state.

Fig. 26 is a schematic view of the opening and closing assembly of the present invention in a fully opened state.

Fig. 27 is a schematic diagram of the cooperation between the gradual opening and closing mechanism, the telescopic water outlet mechanism and the rotating mechanism of the present invention.

Fig. 28 is a schematic diagram of the cooperation between the gradual opening and closing mechanism, the telescopic water outlet mechanism and the rotating mechanism of the present invention.

Labeled as:

100. a housing; 200. a base; 210. a mounting seat; 211. an interface I; 212. interface two; 213. a containing groove; 213a, a first water guide hole; 213b, a water guide hole II; 213c, ring groove one; 214. mounting grooves; 214a and a water guide hole III; 215. a water guide hole IV; 216. a first flow channel; 217. a second flow passage; 220. supporting the sealing bottom plate; 300. automatically controlling the valve; 310. a drive motor; 311. a polygonal drive shaft; 320. a valve core; 321. a connecting shaft; 321a, polygonal driving holes; 322. a valve core body; 322a, ring groove two; 322aa, a first water guide hole; 322b, a second water guide hole; 322c, a third water guide hole; 322d, a fourth water guide hole;

330. fastening the end cover; 331. sleeving a hole; 332. a confinement groove; 333. avoiding holes; 334. a locking leg; 400. a telescopic water outlet mechanism; 410. a first water outlet pipe; 411. a water outlet pipe body; 412. positioning the conducting mechanism; 412a, a connecting pipe; 412b, a conduction pipe; 412c, a first water permeable hole; 412d, a water stop sheet; 412e, a second water permeable hole; 420. a second water outlet pipe; 421. a ring groove III; 422. a third flow channel; 430. a rotation mechanism; 431. a first shell; 431a, a mounting section; 431b, a partition plate; 431bb, a connecting sleeve; 431c, supporting the driving section; 431c1, guide posts; 431c2, guide slots; 432. a drainage plate; 432a, overflow holes; 433. rotating the impeller; 433a, an impeller; 433aa, a blade; 433b, a support shaft; 433b1, a flow guide section; 433bb, flow guide holes; 433b2, a drive section; 434. a cowling; 440. a spray head; 500. controlling a pipe network; 510. a first high pressure pipe; 520. a water storage tank; 521. a water storage tank body; 522. a water inlet; 523. an exhaust hole; 524. a water outlet; 530. a second high-pressure tube; 540. a third high pressure pipe; 550. a drainage tube; 551. a conical water inlet; 552. an intermediate aqueduct; 553. a conical water outlet; 554. interface three; 560. a fourth high-pressure pipe; 600. a gradual opening and closing mechanism; 610. a drive sleeve; 611. a connecting ring; 612. a drive cylinder; 612a, a driving guide section; 612b, a guide section; 620. an opening and closing assembly; 621. a support ring; 621a, a limit guide groove; 622. a crank; 623. a sealing plate; 623a, a first sealing edge; 623b a second sealing edge; 623c, a support edge; 623c1, tow guide bar; 623c2, support holes; 630. sealing the mounting plate; 631. a seal mounting disk body; 631a, a protruding hole; 632. a first mounting ring groove; 633. a second mounting ring groove; 633a, a limiting rod; 633b, a positioning rod;

700. and controlling the switch.

Detailed Description

As shown in fig. 1-2, the bernoulli-based automatic retractable and closable landscaping irrigation system includes a housing 100, a base 200 disposed at the bottom of the housing 100, an automatic control valve 300 mounted on the base 200, a retractable water outlet mechanism 400 connected to the base 200 for spraying water to the outside, a control pipe network 500 connected to the base 200, and a gradual opening and closing mechanism 600 sleeved on the retractable water outlet mechanism 400; the automatic control valve 300 is used for controlling water outlet and water retention of the telescopic water outlet mechanism 400, the control pipe network 500 is used for guiding the flow of high-pressure water flow, and the gradual-change opening and closing mechanism 600 is used for switching the telescopic water outlet mechanism 400 between extending out of the shell 100 and sealing inside the shell 100.

As shown in fig. 2, a control switch 700 is further disposed outside the housing 100, the control switch 700 is used for controlling the automatic control valve by an operator, and the remote control of the automatic control valve 300 can be realized through the external control switch 700.

As shown in fig. 5-6, the base 200 includes a mounting seat 210, and a supporting sealing bottom plate 220 matching with the mounting seat 210 in shape and size, wherein the supporting sealing bottom plate 220 is detachably mounted at the bottom of the mounting seat 210, preferably, the supporting sealing bottom plate 220 is connected to the bottom of the mounting seat 210 by a fastener, and more preferably, the supporting sealing bottom plate 220 is connected to the bottom of the mounting seat 210 by a bolt; the top end surface of the mounting seat 210 is provided with a containing groove 213, a mounting groove 214 and a water guide hole four 215, wherein the containing groove 213 is used for mounting the automatic control valve 300, the mounting groove is used for mounting the telescopic water outlet mechanism 400, and the bottom end surface of the mounting seat 210 is provided with a communication flow channel for communicating the containing groove 213, the mounting groove 214 and the water guide hole four 215 with each other.

More specifically, the accommodating groove 213 and the mounting groove 214 are distributed at intervals and are independent from each other, the water guide hole four 215 is close to the mounting groove 214, the accommodating groove 213 and the mounting groove 214 are both circular grooves, the groove depth direction is parallel to the height direction of the mounting seat 210, the water guide hole four 215 penetrates through the height of the mounting seat 210 along the height direction of the mounting seat 210, the bottom of the accommodating groove 214 is provided with a first water guide hole 213a and a second water guide hole 213b communicated with the bottom end face of the mounting seat 210 at intervals, the bottom of the mounting groove 214 is provided with a third water guide hole 214a communicated with the bottom end face of the mounting seat 210, the side wall of the mounting seat 210 is provided with two interfaces communicated with the inner cavity of the accommodating groove 213 at intervals, the two interfaces are respectively a first interface 211 close to the top end face of the mounting seat 210 and a second interface 212 close to the bottom end face of the mounting seat 210, preferably, the, thereby avoiding mutual interference when subsequently connecting pipelines.

As shown in fig. 6, in order to reduce the difficulty of actual processing and production and reduce the production cost, the communication flow channel is an open groove body with a downward opening formed in the bottom end surface of the mounting seat 210, and the communication flow channel includes a first flow channel 216 and a second flow channel 217, wherein one end of the first flow channel 216 is connected and communicated with the first water guide hole 213a, the other end of the first flow channel 216 is connected and communicated with the fourth water guide hole 215, one end of the second flow channel 217 is connected and communicated with the second water guide hole 213b, the other end of the second flow channel 217 is connected and communicated with the third water guide hole 214a, and the supporting sealing bottom plate 220 is matched with the bottom end surface of the mounting seat.

As shown in fig. 7-10, the automatic control valve 300 includes a driving motor 310, a valve core 320, and a fastening end cap 330, the valve core 320 is matched with the receiving groove 213 and can rotate around the central axis of the receiving groove 213 in the receiving groove 213, an output end of the driving motor 310 is connected to a driving end of the valve core 320, the driving motor 310 can receive a control signal sent by the control switch 700 to drive the valve core 320 to rotate, so as to realize the switching between the open state and the closed state of the automatic control valve 300, the fastening end cap 330 is used to form a receiving cavity for receiving the valve core 320 by matching with the open end of the receiving groove 213, a connection position of the first interface 211 and the receiving groove 213 is located between the valve core 320 and the fastening end cap 330, the second interface 212 is connected to the valve core 320, when the automatic control valve is in the open state, the second interface 212 is connected to the second water, when the automatic control valve is in a closed state, the second interface 212 is communicated with the first water guide hole 213a, and the first interface 211 is communicated with the second water guide hole 213 b.

As shown in fig. 7-10, the valve core 320 includes a connecting shaft 321 and a valve core body 322, the valve core body 322 is a cylinder which is matched with the receiving groove 213 and is coaxially disposed, wherein the height of the valve core body 322 is less than the groove depth of the receiving groove 213, the connecting shaft 321 is fixedly connected with the valve core body 322 and is concentrically disposed, the fastening end cap 330 is matched with the top end surface of the mounting seat 210, the fastening end cap 330 includes a sealing section and a locking section, the sealing section is provided with a receding hole 333 through which the connecting shaft 321 extends out of the receiving groove 213, the connecting shaft 321 is slidably matched with the receding hole 333, the connecting shaft 321 extends out of the receding hole 333 and is connected with the driving motor, a locking support leg 334 is further disposed between the fastening end cap 330 and the valve core body 322, one end of the locking support leg 334 is fixedly connected with the fastening end cap 330, and the other end of the locking support leg 334 is in sliding contact with the valve core body 322, the, a water-containing gap is formed between the fastening end cap 330, the receiving groove 213 and the valve element body 322, and the first interface 211 is connected to the water-containing gap.

More perfect, locking stabilizer blade 334 can set up a plurality ofly, set up threely in this scheme, three locking stabilizer blade 334 is along the even interval distribution of circumference of storage tank 213, evenly exert pressure to case body 322 through a plurality of locking stabilizer blades 334, make case body 322 atress even, avoid case 320 because the uneven card of atress dies the phenomenon at rotatory in-process, it is more optimized, the tip that locking stabilizer blade 334 and case body 322 contact is provided with slick and sly arc transition face, its benefit lies in, further less, case 320 is rotating the frictional resistance that the in-process received, the wearing and tearing of locking stabilizer blade 334 have also been slowed down simultaneously.

As shown in fig. 8-9, a polygonal driving shaft 311 is coaxially disposed at an end of an output shaft of the driving motor 310, a polygonal driving hole 321a matched with the polygonal driving shaft 311 is coaxially disposed on the connecting shaft 321, and the polygonal driving shaft 311 and the polygonal driving hole 321a are matched to transmit a rotational force.

As shown in fig. 8-9, a second annular groove 322a is coaxially formed on the outer circumferential surface of the valve core body 322, the groove depth direction of the second annular groove 322 is perpendicular to the central axis of the connecting shaft 321, a first water guide hole 322aa is further formed at the bottom of the second annular groove 322, a third water guide hole 322c communicated with the first water guide hole 322aa is formed on the end surface of the valve core body 322 far from the connecting shaft 321, a second water guide hole 322b and a fourth water guide hole 322d penetrating the height direction of the valve core body 322 are further formed on the valve core body 322, preferably, the third water guide hole 322c is located between the second water guide hole 322b and the fourth water guide hole 322d, the second water guide hole 322b, the third water guide hole 322c and the fourth water guide hole 322d are arranged in a non-collinear manner at three points, when the automatic control valve 300 is in an open state, the third water guide hole 322c is communicated with the second water guide hole 213b, the second water guide hole 322b is communicated with the first water guide hole, when the automatic control valve 300 is in the closed state, the third water guide hole 322c is connected to the first water guide hole 213a, and the fourth water guide hole 322d is connected to the second water guide hole 213 b.

Preferably, the first annular groove 213c is formed in the wall portion of the inner cavity of the accommodating groove 213 and in a position corresponding to the second annular groove 322, the first annular groove 213c and the accommodating groove 213 are coaxially arranged, the groove depth direction of the first annular groove 213c is perpendicular to the central axis of the accommodating groove 213, the first annular groove 213c and the second annular groove 322 are matched to form a water accommodating channel, and the second interface 212 is communicated with the water accommodating channel.

As shown in fig. 4, 11 and 12, the control pipe network 500 includes a first high-pressure pipe 510, a water storage tank 520, a second high-pressure pipe 530, a third high-pressure pipe 540, a drainage pipe 550 and a fourth high-pressure pipe 560;

the water storage tank 520 comprises a water storage tank body 521 for storing water, a water inlet 522 and a water outlet 523 are formed in the water storage tank body 521, the drainage tube 550 is a circular tube with openings at two ends, a third connector 554 is arranged on the outer circular surface of the drainage tube 550, the third connector 554 is communicated with an inner cavity of the drainage tube 550, one end of the first high-pressure tube 510 is communicated with the first connector 211, the other end of the first high-pressure tube is communicated with the water inlet 522 of the water storage tank 520, one end of the third high-pressure tube 540 is communicated with the second connector 212, the other end of the third high-pressure tube is communicated with one end of the drainage tube 550, one end of the fourth high-pressure tube 560 is communicated with the other end of the drainage tube 550, the other end of the fourth high-pressure tube 560 is communicated with the urban.

More specifically, the water storage tank body 521 is further provided with an exhaust hole 523 for exhausting gas, the gas in the pipeline is timely exhausted through the exhaust hole 523, high pressure generated by gathering a large amount of gas in the pipeline is avoided, the pipeline is not only damaged, but also great potential safety hazards are caused, and in addition, discontinuous water discharging phenomenon caused by a large amount of bubbles in the pipeline of the telescopic water discharging mechanism 400 is also avoided.

The drainage tube 550 comprises a conical water inlet 551 and a conical water outlet 553, an intermediate water guide tube 552 is arranged between the conical water inlet 551 and the conical water outlet 553, one end of the intermediate water guide tube 552 is communicated with the conical water inlet 551, the other end of the intermediate water guide tube 552 is communicated with the conical water outlet 552, the opening size of the conical water inlet 551 is gradually increased from the intermediate water guide tube 552 to the conical water inlet 551 along the central axis of the drainage tube 550, the opening size of the conical water outlet 553 is gradually increased from the intermediate water guide tube 552 to the conical water outlet 553 along the central axis of the drainage tube 550, the interface three 554 is arranged on the intermediate water guide tube 552, and the interface three 554 is communicated with the inner cavity; when water flows through the drainage tube 550, water in a pipeline connected with the port three 554 can flow towards the drainage tube 550, the principle is that the cross-sectional area of the drainage tube 550 is changed from a conical water inlet 551 to a conical water outlet 553 from a gradual reduction to a gradual increase, and according to a flow formula Q = V A (wherein Q is the flow, V is the flow speed, and A is the fluid cross-sectional area), when the flow is constant, the cross-sectional area of the pipeline is reduced (namely when A is reduced), the speed V of the fluid flowing through the pipeline is increased, so that the flow speed of the water is increased after the water flows into the intermediate water guide 552 from the conical water inlet 551; the third port 554 is arranged on the middle water guide pipe 552, and the third port 554 is communicated with the inner cavity of the middle water guide pipe 552; from Bernoulli's equation p +1/2 ρ v ^2+ ρ gh = constant (where p is pressure, ρ is fluid density, v is fluid velocity, g is gravitational acceleration, and h is height), when the fluid density ρ, the gravitational acceleration g, and the height h are fixed, the larger the fluid velocity v, the smaller the pressure at the interface where the fluid contacts the object, and therefore, when the water flows through the intermediate water conduit 552, the pressure between the water flow and the wall of the intermediate water conduit 552 decreases, and at this time, the water flow in the pipe connected to the interface three 554 flows into the intermediate water conduit 552 under the action of the difference between the internal and external atmospheric pressures.

As shown in fig. 3, 13 and 14, the telescopic water outlet mechanism 400 includes a first water outlet pipe 410 and a second water outlet pipe 420, the first water outlet pipe 410 and the second water outlet pipe 420 are both circular pipes with openings at two ends, wherein the second water outlet pipe 520 is connected to the mounting base 210 through the locking section of the fastening end cover 330, the second water outlet pipe 420 and the mounting groove 214 are coaxially arranged and are communicated with each other, wherein the diameter of the inner cavity of the second water outlet pipe 420 is equal to the diameter of the mounting groove 214, a conducting block is laid on the wall portion of the second water outlet pipe 420 along the height direction thereof, a first flow channel 422 is disposed in the conducting block, one end of the first flow channel 422 is communicated with the fourth water guiding hole 215, the other end is communicated with the inner cavity of the second water outlet pipe 420, the communicating position of the first flow channel 422 and the inner cavity of the second water outlet pipe 420 is close to the top of the second, the first outlet pipe 410 can move along the central axis direction of the second outlet pipe 420, a limiting mechanism for limiting the first outlet pipe 410 to be separated from the second outlet pipe 420 is arranged between the first outlet pipe 410 and the second outlet pipe 420, when the first water outlet pipe 410 moves to the limiting mechanism, the first water outlet pipe 410 and the second water outlet pipe 420 are communicated with each other, the first water outlet pipe 410 comprises a water outlet pipe body 411 and a positioning conduction mechanism 412 which is coaxially arranged with the water outlet pipe body 411 and is communicated with the water outlet pipe body 411, the diameter of the outer circle of the water outlet pipe 411 is smaller than the diameter of the inner cavity of the second water outlet pipe 420, the positioning and conducting mechanism 412 is matched with the inner cavity of the second water outlet pipe 420, a water containing cavity is formed among the water outlet pipe 411, the second water outlet pipe 420 and the positioning and conducting mechanism 412, and a transition cavity is formed among the bottom of the first water outlet pipe 410, the positioning and conducting mechanism 412 and the wall of the inner cavity of the second water outlet pipe 420.

More specifically, the locking section is provided with a sleeve hole 331 matched with the outer circumferential surface of the second water outlet pipe 420, the sleeve hole 331 is coaxially sleeved on the outer circumferential surface of the second water outlet pipe 420, the locking section is further provided with a restraining groove 332 matched with the conducting block, and the restraining groove 332 is communicated with the sleeve hole 331.

As shown in fig. 13-15, the inner cavity of the second outlet pipe 430 is further coaxially provided with a third annular groove 421, the depth direction of the third annular groove 421 is perpendicular to the central axis direction of the second outlet pipe 420, the third annular groove 421 is close to the water outlet end of the second outlet pipe 420, the connection position between the first flow channel 422 and the inner cavity of the second outlet pipe 420 is located between the third annular groove 421 and the water outlet end of the second outlet pipe 420, the positioning conduction mechanism 412 includes a connection pipe 412a for connecting with the outlet pipe body 411 and a conduction pipe 412b coaxially arranged with the connection pipe and mutually connected with each other, the connection pipe 412a is matched with and coaxially arranged with the outlet pipe body 411, the conduction pipe 412b is matched with the inner cavity of the second outlet pipe 420, the conduction pipe 412b is internally provided with a water blocking plate 412d, the water blocking plate 412d divides the conduction pipe 412b into two parts which are mutually disconnected along the central axis direction of the conduction pipe 412b, the outer circumferential surface of the conduction pipe 412b is provided with a water permeable hole, the water permeable hole is communicated with the inner cavity of the conduction pipe 412b, the water permeable holes are a first water permeable hole 412c which is close to the connection pipe 412a and located above the water stop plate 412d and a second water permeable hole 412e located below the water stop plate 412d, and the first water permeable hole 412c and the second water permeable hole 412e can be communicated through the third ring groove 421.

More preferably, the limiting mechanism includes a limiting step arranged in the inner cavity of the water outlet end of the second water outlet pipe 420 and a limiting protruding strip 412aa arranged on the outer circumferential surface of the connecting pipe 412a, the limiting step is a built-in step narrowed toward the center along the circumference of the second water outlet pipe 420, when the limiting protruding strip 412aa contacts with the built-in step, the first water outlet pipe 410 stops moving, the conducting pipe 412b is matched with the third ring groove 421, and the first water outlet pipe 410 is communicated with the second water outlet pipe 420.

As shown in fig. 16-19, the telescopic water outlet mechanism 400 further comprises a rotating mechanism 430 and a spray head 440, the rotating mechanism 430 is coaxially sleeved outside the second water outlet pipe 420 and is connected to the water outlet end of the first water outlet pipe 410, the rotating mechanism 430 can move along the height direction of the second water outlet pipe 420 along with the movement of the first water outlet pipe 410, the spray head 440 is sleeved on the water outlet end of the rotating mechanism 430, the spray head 440 is provided with a water spraying hole 441, when the first water outlet pipe 410 is communicated with the second water outlet pipe 420, water flow enters the rotating mechanism 430 through the first water outlet pipe 410, the rotating mechanism 400 can automatically rotate under the pushing of the water flow and drive the spray head 440 to spray water in a rotating mode, the problem that a large spraying blind area exists due to the fact that the angle and the number of the water spraying holes 441 formed in the spray head 440 are fixed is solved, the coverage area of spray irrigation is increased, and the spray irrigation effect is improved.

More specifically, the rotating mechanism includes a first housing 431, a rotating impeller 433, and a cowling 434, the first housing 431 is a cylindrical cylinder with openings at two ends, the cowling 434 is mounted at an open end of the first housing 432 in a matching manner, the cowling 434 and the first housing 431 are matched to form a cavity for accommodating the rotating impeller 433, the rotating impeller 433 includes a support shaft 433b and an impeller 433a, blades 433aa are angularly arranged on the impeller, the support shaft includes a guide section 433b1 and a driving section 433b2, the blades 433aa are coaxially arranged on an outer circumferential surface of the driving section 433b2, the blades 433aa can automatically rotate under the impact of water flow and drive the support shaft 433b to rotate, a guide cavity is coaxially arranged in the guide section 433b1, a guide hole 433bb communicated with the guide cavity is arranged on an outer circumferential surface of the guide section 433b1, the guide section 433b1 is communicated with the spray head 440, the rotary impeller 433 can rotate around the axis of the rotary impeller in a cavity formed by the fairing 434 and the first shell 431, a partition plate 431b is arranged in the inner cavity of the first shell 431, the partition plate 431b partitions the first shell 431 into two mutually disconnected parts along the central axis of the first shell 431, a connecting sleeve 413bb matched with the first water outlet pipe 410 is installed on the partition plate, the first water outlet pipe 410 at one end of the connecting sleeve 413bb is connected and communicated, and the other end of the connecting sleeve 413bb is communicated with the inner cavity above the first shell 431; the water flow enters the inner cavity of the first shell 431 through the first water outlet pipe 410 through the connecting sleeve 413bb, the water flow is in contact with the blades 433aa, the rotating impeller 433 rotates around the axis of the water flow under the pushing of the water flow, the spray head 440 rotates synchronously, the water flow enters the cavity formed by the blades 433aa and the fairing 434 through the gap between the blades 433aa, further, the water flow enters the flow guide cavity through the flow guide hole 433bb and then enters the spray head 440, and finally the water flow is sprayed out from the rotating spray head 440 through the water spraying hole 441.

More specifically, the fairing 434 is conical, and the opening size of the fairing 434 is gradually increased from the guide section 433b1 to the driving section 433b2 along the central axis of the support shaft 433b, which means that the water flow passing through the gap between the blades 433aa and contacting the fairing 434 is collected towards the guide section 433b1, so that the water flow collection degree is further improved, the pressure of the water flow sprayed out is increased, and the coverage area of the spray irrigation is further increased.

A drainage plate 432 is further arranged between the partition plate 431b and the rotary impeller 433, the drainage plate 432 is coaxially sleeved on the outer side of the driving section 433b2, an overflow hole 432a for water flow to pass through is formed in the drainage plate 432, and the drainage plate 432 is used for enabling the water flow entering the first housing 431 from the connecting sleeve 431bb to be gathered to be uniformly guided into the rotary impeller 433, so that the rotary impeller 433 rotates at a uniform speed.

As shown in fig. 19, a portion of the first housing 431 above the partition 431b is an installation section 431a for installing the rotating mechanism 430, a portion of the first housing 431 below the partition 431b is a support driving section 431c, a guide post 431c1 is disposed on an outer circumferential surface of the support driving section 431c, two guide posts 431c1 are symmetric with respect to a center of the first housing 431, a guide groove 431c2 matched with the conduction block is disposed along a central axis of an inner wall portion of the support driving section 431c, and the support driving section 431c is coaxially sleeved outside the second water outlet pipe 420, wherein the guide groove 431c2 is slidably matched with the conduction block.

As shown in fig. 1 and 20-28, the housing 100 is a circular cylinder with an opening at one end and a sealed end at the other end, the gradual opening and closing mechanism 600 is coaxially sleeved outside the telescopic water outlet mechanism 400, the gradual opening and closing mechanism 600 includes a driving sleeve 610 coaxially and movably sleeved outside the rotating mechanism 430, a sealing mounting plate 630 matched with the opening end of the housing 100, and an opening and closing assembly 620 disposed between the driving sleeve 610 and the sealing mounting plate 630, the sealing mounting plate 630 includes a sealing mounting plate body 631, a protruding hole 631a for the telescopic water outlet mechanism 400 to protrude is disposed at the center of the sealing mounting plate 631, the driving sleeve 610 is configured to receive a driving force and transmit the driving force to the opening and closing assembly 620, the opening and closing assembly 620 is configured to receive the driving force transmitted by the driving sleeve 610 and realize opening and closing of the gradual opening and closing mechanism by using the movement of the driving force to drive the opening and closing, further, the opening and closing of the projection hole 631a is accomplished.

As shown in fig. 21, the driving sleeve 610 includes a connecting ring 611 and a driving cylinder 612, the connecting ring 611 is coaxially sleeved on an outer circumferential surface of the driving cylinder 612, a top end surface of the connecting ring 611 is flush with an upper end surface of the driving cylinder 612, a driving groove for driving the opening and closing assembly 620 to open and close and is matched with the guide post 431c1 is formed on the outer circumferential surface of the driving cylinder 612, the driving groove includes a driving section 612a and a guiding section 612b, an extending direction of the guiding section 612b is parallel to a central axis direction of the driving cylinder 612, the guiding section 612b is communicated with the upper end surface of the driving cylinder 612, the driving section 612a is communicated with the guiding section 612b at an angle, a smaller included angle between the driving section 612a and the guiding section 612b ranges from 120 ° to 160 °, preferably from 140 ° to 150 °, more preferably, two driving grooves are provided and are symmetrical with respect to a center of the driving cylinder 612, the guide post 431c1 is matched with the driving groove in a sliding manner, the guide post 431c1 slides along the driving groove in the process of moving along the first housing 431, when the guide post 431c1 slides on the driving section 612a, the driving cylinder 612 performs a rotating movement around the axis of the driving cylinder under the pushing action of the guide post 431c1, when the guide post 431c1 moves to the position where the driving section 612a is connected with the guiding section 612b, the driving cylinder 612 rotates to the maximum angle, and when the guide post 431c1 continues to move along the guiding section 612b, the driving cylinder 612 stops rotating.

As shown in fig. 23, the end surface of the seal mounting disk body 631, which is engaged with the casing 100, is provided with a first mounting groove 632 and a second mounting groove 633 which are coaxially nested, wherein the second mounting groove 633 is positioned between the extension hole 631a and the first mounting groove 632, the first mounting groove 632 is matched with the opening end of the casing 100, the end surface of the inner groove wall of the second mounting groove 633 close to the extension hole 631a is provided with positioning rods 633b, the extension direction of the positioning rods 633b is parallel to the central axis of the sealing mounting disc 630, five positioning rods 633b are provided, and are uniformly distributed at intervals along the circumference of the extension hole 631a, the groove bottom of the second mounting groove 633 is further provided with five limiting rods 633a, the extension direction of the limiting rods is parallel to the central axis of the seal mounting disc 630, the limiting rods 633a are evenly distributed along the circumference of the second mounting groove 633 at intervals and respectively correspond to the positioning rods 633b one by one.

As shown in fig. 22 to 26, the opening and closing assembly 620 includes a support ring 621 matching with the connection ring 611 and matching with the second mounting groove 633, and a sealing plate 623 movably connected with the support ring 621, wherein the support ring 621 is detachably connected with the connection ring 611, preferably, the support ring 621 is connected with the connection ring 611 by a fastening screw, the support ring 621 can move synchronously with the driving sleeve 610, a limit guide groove 621a matching with a limit rod 633a is opened on the support ring 621, the support ring 621 is coaxially arranged with the second mounting groove 633, the limit rod 633a matches with the limit guide groove 621a in a sliding manner to limit the support ring 621 to rotate between a start point and an end point of the limit guide groove 621a, when the limit rod 633a moves to the start point of the limit guide groove 621a, the sealing plate 623 keeps the extension hole 631a in a closed state, and when the limit rod 633a moves to the end point of the limit guide groove 621a, the sealing plate 623 causes the extension hole 631a to be in an open state.

More specifically, the sealing plates 623 are arranged in a plurality of shapes and can be spliced into a complete circle, the sealing plates 623 are connected with the support ring 621 through the crank 622, one end of the crank 622 is hinged with the support ring 621, the other end of the crank 622 is hinged with the sealing plates 623, the core lines of the hinge axes are all parallel to the central axis direction of the support ring 621, the sealing plates 623 are triangular plate bodies with three sides connected in an arc line, the three sides of the sealing plates 623 are respectively a first sealing side 623a, a second sealing side 623b and a supporting side 623c, in this embodiment, the sealing plates 623 are arranged in five and are obtained by equally dividing a circle, the first sealing side 623a of one sealing plate 623 and the second sealing side 623b of the other sealing plate 623 are matched to realize sealing, the supporting side 623c is matched with the inner ring of the support ring 621, and the hinge point of the crank 622 and the sealing plates 623 is located on the sealing plates 623 and close to the supporting side, the sealing plates 623 are further provided with supporting holes 623c2 matching with the positioning rods 633b at positions close to the supporting edges 623c, the sealing plates 623 rotate around the positioning rods 633b, when the limiting rods 633a move from the end points of the limiting guide slots 621a to the start points of the limiting guide slots 621a along the guiding direction of the limiting guide slots 621a, the sealing plates 623 rotate clockwise around the positioning rods 633b under the driving of the crank 622, so that the first sealing edge 623a of one sealing plate 623 and the second sealing edge 623b of the other sealing plate 623 between adjacent sealing plates 623 move close to each other, when the limiting rods 633a move to the start points of the limiting guide slots 621a, the first sealing edge 623a of one sealing plate 623 and the second sealing edge 623b of the other sealing plate 623 between adjacent sealing plates 623 cooperate to realize sealing, the opening and closing assembly 620 is in a closed state, and the extending holes 631a are in a closed state, when the stopper rod 633a moves from the starting point of the stopper guide slot 621a to the end point of the stopper guide slot 621a along the guiding direction of the stopper guide slot 621a, the sealing plates 623 rotate counterclockwise around the positioning rod 633b under the driving of the crank 622, so that the first sealing edge 623a of one sealing plate 623 and the second sealing edge 623b of the other sealing plate 623 between the adjacent sealing plates 623 move away from each other, the opening and closing assembly is opened, and when the stopper rod 633a moves to the end point of the stopper guide slot 621a, the opening and closing assembly 620 is fully opened, so that the extending hole 631a is in an opened state.

In actual operation, the control switch 700 controls the driving motor 310 to rotate clockwise, the automatic control valve 300 is switched from the closed state to the open state, at this time, the third water guide hole 322c is communicated with the second water guide hole 213b, the second water guide hole 322b is communicated with the first water guide hole 213a, water flows from the urban water supply pipeline through the fourth high pressure pipe 560 into the drainage pipe 550, further, water flows into the third high pressure pipe 540, in the process, water in the water storage tank 520 enters the drainage pipe 550 from the second high pressure pipe 530 through the third interface 554 and is converged into the third high pressure pipe 540 together with water in the urban water supply pipeline, then, water flows from the third high pressure pipe 540 through the second interface 212 into the automatic control valve, water flows into the water containing channel, water flows from the water containing channel through the first water guide hole 322aa into the third water guide hole 322c, further, water flows into the second water guide hole 213b, water flows through the second flow channel 217 into the third water guide hole 214a, then, the water flow enters the transition cavity, the water flow contacts with the water stop plate 412d, under the action of water pressure, the water flow generates a thrust force on the water stop plate 412d along the central axis of the second water outlet pipe 420 from the water inlet end of the second water outlet pipe 420 to the water outlet end of the second water outlet pipe 420, the thrust force pushes the first water outlet pipe 410 to move along the central axis of the second water outlet pipe 420 from the water inlet end of the second water outlet pipe 420 to the water outlet end of the second water outlet pipe 420, the first housing 431 moves synchronously, the guide post 431c1 moves along the driving section 612a of the driving groove, the driving sleeve 610 pushed by the guide post 431c1 rotates around the axis thereof, the support ring 621 moves synchronously along with the rotation of the driving sleeve 610, meanwhile, the limit rod 633a moves along the guiding direction of the limit guide groove 621a from the starting point of the limit guide groove 621a to the ending point of the limit guide groove 621a, the first sealing edge 623a of one sealing plate 623 and the second sealing edge 623b of the other sealing plate 623 between adjacent sealing plates 623 move away from each other, the opening and closing component is opened, when the limiting rod 633a moves to the end point of the limiting guide groove 621a, the opening and closing component 620 is completely opened, so that the extension hole 631a is in an open state, at this time, the guide post moves synchronously in the guide section 612b along with the movement of the first shell 431, in the process, the water containing cavity is gradually reduced, water and/or air in the water containing cavity enters the water guide hole fourth 215 through the third flow channel 422, further, water flows into the first water guide hole 213a through the first flow channel 216, flows into the water containing gap through the second water guide hole 322b, further, the water flows into the first high pressure pipe 510 through the first water containing gap through the first interface 211, and finally enters the water storage tank through the first high pressure pipe 510, and the first water outlet pipe 410 extends outwards through the extension hole a, when the limiting convex strip 412aa contacts with the built-in step, the first water outlet pipe 410 and the second water outlet pipe 420 are communicated with each other, water flows into the first water outlet pipe 410 from the second water outlet pipe 420 and drives the rotating device 430 to rotate, and finally the water is sprayed out through the rotating spray head 440 to finish irrigation, at the moment, water and/or air in the cavity are completely discharged, and the transition cavity is filled with water and/or air.

When the present invention needs to be closed, an operator controls the driving motor 310 to work through the control switch 700, the driving motor 310 drives the valve element 320 to rotate counterclockwise, and when the automatic control valve 300 is in a transition state between the open state and the closed state, at this time, the first water guide hole 213a and the second water guide hole 213b are both in an open state, the spray head 40 stops discharging water, and the first water outlet pipe 410 is still in an extended state.

The driving motor 310 continues to drive the valve core 320 to rotate counterclockwise, when the automatic control valve 300 is in a closed state after completing transition, at this time, the third water guide hole 322c is communicated with the first water guide hole 213a, the fourth water guide hole 322d is communicated with the second water guide hole 213b, the telescopic water outlet mechanism 400 is switched from an extended state to a contracted state, water flows from the urban water supply pipeline into the drainage tube 550 through the fourth high-pressure tube 560, and further flows into the third high-pressure tube 540, during this process, water in the water storage tank 520 enters the drainage tube 550 through the third interface 554 from the second high-pressure tube 530 and is converged into the third high-pressure tube 540 together with water in the urban water supply pipeline, and then flows into the automatic control valve through the second interface 212 from the third high-pressure tube 540, flows into the water containing channel, flows into the third water guide hole 322c through the first water guide hole 322aa from the water containing channel, and further flows into the first water guide hole 213a, further, the water flow enters the water guide hole four 215 through the flow passage one 216, then the water flow enters the flow passage three 422, further, the water flow enters the water containing cavity through the flow passage three 422, the water flow contacts with the wall of the conducting pipe 412b, under the action of the water pressure, the first water outlet pipe 410 moves from the water outlet end of the second water outlet pipe 420 to the water inlet end of the second water outlet pipe 420 along the central axis direction of the second water outlet pipe 420, the first water outlet pipe 410 is disconnected with the second water outlet pipe 420, the first housing 431 moves synchronously, the guide post 431c1 moves along the guide section 612b of the driving groove, when the spray head 400 moves to the inner cavity of the housing 100, the guide post 431c1 has the guide section 612b moving to the driving section 412a, the driving sleeve 610 pushed by the guide post 431c1 rotates around the self axis, the supporting ring 621 moves synchronously, the limiting rod 633a moves from the end point of the limiting guide groove 621a to the start point of the limiting guide, the sealing plates 623 rotate clockwise around the positioning rod 633b under the driving of the crank 622, so that a first sealing edge 623a of one sealing plate 623 and a second sealing edge 623b of the other sealing plate 623 between the adjacent sealing plates 623 move close to each other, the opening and closing assembly is switched from an opening state to a closing state, when the limiting rod 633a moves to the starting point of the limiting guide slot 621a, the opening and closing assembly 620 is completely closed, so that the extension hole 631a is in a closing state, in the process, the transition cavity is gradually reduced, water and/or air in the transition cavity enters the water guide hole III 214a, further, water flows from the water guide hole III 214a into the water guide hole II 213b through the flow channel II 217, then flows into the water containing gap through the fourth water guide hole 322d, flows from the water containing gap into the first high pressure pipe 510 through the interface I211, and finally enters the water storage tank 520 through the first high pressure pipe 510, until the first outlet pipe 410 is completely contracted into the second outlet pipe 420, at this time, water and/or air in the transition cavity is completely discharged, and the water containing cavity is filled with water and/or air.

(one) a stretching stage;

s1: the telescopic water outlet mechanism 400 comprises a first water outlet pipe 410 and a second water outlet pipe 420, wherein the first water outlet pipe 410 is coaxially and movably sleeved inside the second water outlet pipe 420, the first water outlet pipe 410 can move along the central axis of the second water outlet pipe 420, the telescopic water outlet mechanism 400 further comprises a rotating mechanism 430 coaxially sleeved outside the second water outlet pipe 420 and communicated with the water outlet end of the first water outlet pipe 410, the water outlet end of the rotating mechanism 430 is communicated with a spray head 440, the gradual change opening and closing mechanism is coaxially sleeved outside the rotating mechanism 430, the gradual change opening and closing mechanism 600 comprises a driving sleeve 610 coaxially and movably sleeved outside the rotating mechanism 430, a sealing installation plate 630 matched with the opening end of the shell 100 and a switching assembly 620 arranged between the driving sleeve 610 and the sealing installation plate 630, the sealing installation plate 630 comprises a sealing installation plate body 631, the center of the sealing installation body 631 is provided with an extending hole 631a for extending the telescopic water outlet mechanism 400, the driving sleeve 610 is used for receiving a driving force and transmitting the driving force to the opening and closing assembly 620, the opening and closing assembly 620 is used for receiving the driving force transmitted by the driving sleeve 610 and realizing the opening and closing of the gradual opening and closing mechanism 600 by utilizing the driving force to drive the movement of the opening and closing assembly 620, and further realizing the opening and closing of the extension hole 631 a; the control switch 700 controls the driving motor 310 to rotate clockwise, the automatic control valve 300 is switched from the closed state to the open state, at this time, the third water guide hole 322c is communicated with the second water guide hole 213b, and the second water guide hole 322b is communicated with the first water guide hole 213 a;

s2: the water flow enters the drainage tube 550 from the urban water supply pipeline through the fourth high-pressure tube 560, and further enters the third high-pressure tube 540, in the process, the water in the water storage tank 520 enters the drainage tube 550 from the second high-pressure tube 530 through the third joint 554 and is converged into the third high-pressure tube 540 together with the water in the urban water supply pipeline, then the water flow enters the automatic control valve through the second joint 212 from the third high-pressure tube 540, enters the water containing channel, enters the third water guide hole 322c from the water containing channel through the first water guide hole 322aa, further enters the second water guide hole 213b, enters the third water guide hole 214a through the second flow channel 217, and then enters the transition cavity;

s3: the water flow contacts with the water stop plate 412d, under the action of water pressure, the water flow generates a thrust force on the water stop plate 412d from the water inlet end of the second water outlet pipe 420 to the water outlet end of the second water outlet pipe 420 along the central axis of the second water outlet pipe 420, the thrust force pushes the first water outlet pipe 410 to move from the water inlet end of the second water outlet pipe 420 to the water outlet end of the second water outlet pipe 420 along the central axis of the second water outlet pipe 420, the first housing 431 moves synchronously, the guide post 431c1 moves along the driving section 612a of the driving groove, the driving sleeve 610 pushed by the guide post 431c1 rotates around the axis thereof, the support ring 621 moves synchronously along with the rotation of the driving sleeve 610, meanwhile, the limit rod 633a moves from the starting point of the limit guide groove 621a to the ending point of the limit guide groove 621a along the guiding direction of the limit guide groove 621a, and the sealing plate 623 rotates around the positioning rod 633b under the driving of the crank 622, so that the first sealing edge When the sealing edges 623b move away from each other, the opening and closing component is opened, and when the limiting rod 633a moves to the end point of the limiting guide slot 621a, the opening and closing component 620 is completely opened, so that the extending hole 631a is in an opened state;

(II) water discharging stage;

s4: the guide post moves synchronously in the guide section 612b along with the movement of the first shell 431, in the process, the water containing cavity is gradually reduced, water and/or air in the water containing cavity enters the water guide hole IV 215 through the third flow passage 422, further, water flows into the water guide hole I213 a through the first flow passage 216, then flows into the water containing gap through the second water guide hole 322b, further, the water flows into the first high-pressure pipe 510 through the water containing gap through the first interface 211, finally enters the water storage tank through the first high-pressure pipe 510, the first water outlet pipe 410 extends outwards through the extending hole 631a until the limiting convex strip 412aa contacts with the built-in step, the first water outlet pipe 410 is communicated with the second water outlet pipe 420, the water flows into the first water outlet pipe 410 through the second water outlet pipe 420 and drives the rotating device 430 to rotate, finally, the water is ejected outwards through the rotating nozzle 440, and irrigation is completed, at the same time, the water and/or air in the water containing cavity is completely discharged, the transition cavity is filled with water and/or air;

(III) a transition stage;

s5: an operator controls the driving motor 310 to work through the control switch 700, the driving motor 310 drives the valve element 320 to rotate anticlockwise, and when the automatic control valve 300 is in a transition state between an open state and a closed state, at the moment, the first water guide hole 213a and the second water guide hole 213b are both in an open state, the spray head 40 stops discharging water, and the first water outlet pipe 410 is still in an extending state;

(IV) a contraction stage;

s6: the driving motor 310 continues to drive the valve core 320 to rotate counterclockwise, and when the automatic control valve 300 is in the closed state after completing the transition, at this time, the third water guide hole 322c is communicated with the first water guide hole 213a, the fourth water guide hole 322d is communicated with the second water guide hole 213b, and the telescopic water outlet mechanism 400 is switched from the extended state to the contracted state;

s7: the water flow enters the drainage tube 550 from the urban water supply pipeline through the fourth high-pressure tube 560, and further enters the third high-pressure tube 540, in the process, the water in the water storage tank 520 enters the drainage tube 550 from the second high-pressure tube 530 through the third joint 554 and is converged into the third high-pressure tube 540 together with the water in the urban water supply pipeline, then the water flow enters the automatic control valve through the second joint 212 from the third high-pressure tube 540, enters the water containing channel, enters the third water guide hole 322c from the water containing channel through the first water guide hole aa, further enters the first water guide hole 213a, further enters the fourth water guide hole 215 through the first flow channel 216, then enters the third flow channel 422, and further enters the water containing cavity through the third flow channel 422;

s8: the water flow contacts the wall of the conducting pipe 412b, under the action of water pressure, the first water outlet pipe 410 moves from the water outlet end of the second water outlet pipe 420 to the water inlet end of the second water outlet pipe 420 along the central axis direction of the second water outlet pipe 420, the first water outlet pipe 410 is disconnected from the second water outlet pipe 420, the first housing 431 moves synchronously, the guide post 431c1 moves along the guide section 612b of the driving groove, when the spray head 400 moves to the inner cavity of the housing 100, the guide post 431c1 has the guide section 612b moving to the driving section 412a, the pushing driving sleeve 610 of the guide post 431c1 rotates around the axis thereof, the supporting ring 621 moves synchronously, the limiting rod 633a moves from the end point of the limiting guide groove 621a to the start point of the limiting guide groove 621a along the guiding direction of the limiting guide groove 621a, the sealing plate 623 rotates clockwise around the positioning rod 633b under the driving of the crank 622, so that the first sealing edge 623a of one sealing plate 623 and the second sealing edge 623b of the other, the opening and closing component is switched from an open state to a closed state, when the limit rod 633a moves to the starting point of the limit guide slot 621a, the opening and closing component 620 is completely closed, so that the extension hole 631a is in a closed state, in the process, the transition cavity is gradually reduced, water and/or air in the transition cavity enters the third water guide hole 214a, further, water flow enters the second water guide hole 213b from the third water guide hole 214a through the second flow channel 217, then enters the water containing gap through the fourth water guide hole 322d, enters the first high-pressure pipe 510 from the water containing gap through the first interface 211, and finally enters the water storage tank 520 through the first high-pressure pipe 510 until the first water outlet pipe 410 is completely contracted into the second water outlet pipe 420, at the moment, the water and/or air in the transition cavity is completely discharged, and the water containing cavity is filled with water and/or air.

Claims

1. An automatic telescopic gate type landscaping irrigation method based on Bernoulli principle comprises the following steps:

(one) a stretching stage;

the base is also provided with an automatic control valve and a control pipe network, and the gradual opening and closing mechanism is sleeved on the telescopic water outlet mechanism;

the base is arranged at the bottom of the shell, the control switch is arranged outside the shell and used for controlling the automatic control valve by an operator, and the remote control of the automatic control valve can be realized through the external control switch;

the base comprises an installation seat and a supporting sealing bottom plate matched with the installation seat in shape and size, the supporting sealing bottom plate is detachably installed at the bottom of the installation seat, the top end face of the installation seat is provided with an accommodating groove, an installation groove and a water guide hole IV, the accommodating groove is used for installing an automatic control valve, the installation groove is used for installing a telescopic water outlet mechanism, and the bottom end face of the installation seat is provided with a communication flow channel for communicating the accommodating groove, the installation groove and the water guide hole IV;

the mounting seat comprises a mounting seat body, a mounting groove and two water guide holes, wherein the mounting groove body is provided with a mounting groove, the mounting groove body is distributed at intervals and is independent from the mounting groove body, the water guide holes are four adjacent to the mounting groove, the groove depth direction of the mounting groove body is parallel to the height direction of the mounting seat, the water guide holes are four and penetrate through the height of the mounting seat along the height direction of the mounting seat, the bottom of the mounting groove body is provided with a first water guide hole and a second water guide hole at intervals, the first water guide hole is communicated with the bottom end face of the mounting seat, the bottom of the mounting groove body is;

the connecting flow channel is an open groove body with a downward opening and arranged on the end face of the bottom of the mounting seat, the connecting flow channel comprises a first flow channel and a second flow channel, one end of the first flow channel is connected and communicated with the water guide hole, the other end of the first flow channel is connected and communicated with the water guide hole IV, one end of the second flow channel is connected and communicated with the water guide hole II, the other end of the second flow channel is connected and communicated with the water guide hole III, and the supporting sealing bottom plate is matched with the end face of the bottom of the mounting seat and can form sealing for the;

the automatic control valve comprises a driving motor, a valve core and a fastening end cover, wherein the valve core is matched with the accommodating groove and can rotate around the central axis direction of the accommodating groove in the accommodating groove, the output end of the driving motor is connected with the driving end of the valve core, the driving motor can receive a control signal sent by the control switch to drive the valve core to rotate, the automatic control valve is switched between an open state and a closed state, the fastening end cover is used for being matched with the open end of the accommodating groove to form an accommodating cavity for accommodating the valve core, the connection position of the first interface and the accommodating groove is positioned between the valve core and the fastening end cover, and the second interface is;

the valve core comprises a connecting shaft and a valve core body, the valve core body is a cylinder which is matched with the containing groove and is coaxially arranged, the height of the valve core body is smaller than the groove depth of the containing groove, the connecting shaft is fixedly connected with the valve core body and is concentrically arranged, the fastening end cover is matched with the top end surface of the mounting seat, the fastening end cover comprises a sealing section and a locking section, the sealing section is provided with a dodging hole for the connecting shaft to extend out of the containing groove, the connecting shaft is matched with the dodging hole in a sliding manner, the connecting shaft extends out of the dodging hole and is connected with the driving motor, a locking support leg is further arranged between the fastening end cover and the valve core body, one end of the locking support leg is fixedly connected with the fastening end cover, the other end of the locking support leg is in sliding contact with the valve core body, the locking support leg is used for limiting the movement of the valve, the first interface is communicated with the water containing gap;

the outer circular surface of the valve core body is coaxially provided with a second annular groove which is annularly arranged, the depth direction of the second annular groove is vertical to the central axis of the connecting shaft, the bottom of the second annular groove is also provided with a first water guide hole, the end surface of the valve core body, far away from the connecting shaft, is provided with a third water guide hole communicated with the first water guide hole, the valve core body is also provided with a second water guide hole and a fourth water guide hole which penetrate through the height direction of the valve core body, the third water guide hole is positioned between the second water guide hole and the fourth water guide hole, and the second water guide hole, the third water guide hole and the fourth water guide hole are arranged in a non-collinear way at three points;

the control pipe network comprises a first high-pressure pipe, a water storage tank, a second high-pressure pipe, a third high-pressure pipe, a drainage pipe and a fourth high-pressure pipe; the water storage tank comprises a water storage tank body for storing water, a water inlet and a water outlet are formed in the water storage tank body, the drainage tube is a circular tube with two open ends, a third interface is arranged on the outer circular surface of the drainage tube and communicated with an inner cavity of the drainage tube, one end of the first high-pressure tube is communicated with the first interface, the other end of the first high-pressure tube is communicated with the water inlet of the water storage tank, one end of the third high-pressure tube is communicated with the second interface, the other end of the third high-pressure tube is communicated with one end of the drainage tube, one end of the fourth high-pressure tube is communicated with the other end of the drainage tube, the other end of the fourth high-pressure tube is communicated;

the drainage tube comprises a conical water inlet and a conical water outlet, a middle water guide tube is arranged between the conical water inlet and the conical water outlet, one end of the middle water guide tube is communicated with the conical water inlet, the other end of the middle water guide tube is communicated with the conical water outlet, the opening size of the conical water inlet is gradually increased from the middle water guide tube to the conical water inlet along the central axis of the drainage tube, the opening size of the conical water outlet is gradually increased from the middle water guide tube to the conical water outlet along the central axis of the drainage tube, a third interface is arranged on the middle water guide tube, and a; when water flows through the drainage tube, water in a pipeline connected with the third connector can flow towards the drainage tube;

the inner cavity of the second water outlet pipe is coaxially provided with a third annular groove which is annularly arranged, the depth direction of the third annular groove is vertical to the central axis direction of the second water outlet pipe, the third annular groove is close to the water outlet end of the second water outlet pipe, the connection position of the first flow passage and the inner cavity of the second water outlet pipe is positioned between the third annular groove and the water outlet end of the second water outlet pipe, the positioning conduction mechanism comprises a connecting pipe and a conduction pipe, the connecting pipe is connected with the water outlet pipe, the conduction pipe is coaxially arranged with the connecting pipe, the conduction pipe is matched with the inner cavity of the second water outlet pipe, a water-stop plate is arranged in the conduction pipe, the conduction pipe is divided into two parts which are mutually disconnected along the central axis direction of the conduction pipe, the outer circular surface of the conduction pipe is provided with a water-permeable hole, the water-permeable hole is connected with the inner cavity of the conduction pipe, the water-permeable hole is a first water-permeable, the first water permeable hole and the second water permeable hole can be communicated through the annular groove III;

the limiting mechanism comprises a limiting step arranged in an inner cavity of the water outlet end of the second water outlet pipe and a limiting convex strip arranged on the outer circular surface of the connecting pipe, the limiting step is a built-in step narrowing towards the center along the circumference of the second water outlet pipe, when the limiting convex strip is contacted with the built-in step, the first water outlet pipe stops moving, the conduction pipe is matched with the annular groove III, and the first water outlet pipe is communicated with the second water outlet pipe;

the rotating mechanism comprises a first shell, a rotating impeller and a fairing, the first shell is a circular cylindrical barrel with openings at two ends, the fairing is installed at one opening end of the first shell in a matched mode, the fairing and the first shell are matched to form a cavity for accommodating the rotating impeller, the rotating impeller comprises a supporting shaft and an impeller, blades are arranged on the impeller in an angle mode, the supporting shaft comprises a flow guide section and a driving section, the blades are coaxially arranged on the outer circular surface of the driving section and can automatically rotate under the impact of water flow to drive the supporting shaft to rotate, a flow guide cavity is coaxially formed in the flow guide section, a flow guide hole communicated with the flow guide cavity is formed in the outer circular surface of the flow guide section, the flow guide section is communicated with the spray head, the rotating impeller can rotate around the axis of the rotating impeller in the cavity formed by the fairing and the first shell, and a partition plate is arranged in the inner, the partition plate divides the first shell into two mutually disconnected parts along the central axis of the first shell, a connecting sleeve matched with the first water outlet pipe is installed on the partition plate, the first water outlet pipe at one end of the connecting sleeve is connected and communicated, and the other end of the connecting sleeve is communicated with an inner cavity above the first shell;

the part of the shell, which is positioned above the partition plate, is an installation section for installing the rotating mechanism, the part of the shell, which is positioned below the partition plate, is a support driving section, guide columns are arranged on the outer circular surface of the support driving section, the two guide columns are symmetrical relative to the center of the shell, a guide groove matched with the conduction block is arranged on the wall part of an inner cavity of the support driving section along the central axis of the inner cavity, the support driving section is coaxially sleeved outside the second water outlet pipe, and the guide groove is matched with the conduction block in a sliding manner;

the driving sleeve comprises a connecting ring and a driving cylinder, the connecting ring is coaxially sleeved on the outer circular surface of the driving cylinder, the top end surface of the connecting ring is flush with the upper end surface of the driving cylinder, a driving groove which is used for driving the opening and closing assembly to open and close and is matched with the guide pillar is formed in the outer circular surface of the driving cylinder, the driving groove comprises a driving section and a guiding section, the extending direction of the guiding section is parallel to the direction of the central axis of the driving cylinder, the guiding section is communicated with the upper end surface of the driving cylinder, the driving section is communicated with the guiding section at an angle, and the range of a smaller included angle between the driving section and the guiding section is 120-160 degrees;

the end face, matched with the shell, of the sealing mounting disc body is coaxially nested with a first mounting groove and a second mounting groove, the second mounting groove is located between the extending hole and the first mounting groove, the first mounting groove is matched with the opening end of the shell, a positioning rod is arranged on the end face, close to the inner groove wall of the extending hole, of the second mounting groove, the extending direction of the positioning rod is parallel to the central axis of the sealing mounting disc, five positioning rods are arranged and are uniformly distributed at intervals along the circumference of the extending hole, limiting rods are further arranged at the bottom of the second mounting groove, the extending direction of the limiting rods is parallel to the central axis of the sealing mounting disc, five limiting rods are arranged, and the limiting rods are uniformly distributed at intervals along the circumference of the second mounting groove and;

the opening and closing assembly comprises a support ring which is connected with the connecting ring in a matched manner and matched with the second mounting groove, and a sealing plate which is movably connected with the support ring, wherein the support ring is detachably connected with the connecting ring, the support ring can synchronously move with the driving sleeve, a limiting guide groove which is matched with the limiting rod in a sliding manner is formed in the support ring, the support ring and the second mounting groove are coaxially arranged, the limiting rod is matched with the limiting guide groove in a sliding manner to limit the support ring to rotate between the starting point and the end point of the limiting guide groove, when the limiting rod moves to the starting point of the limiting guide groove, the sealing plate enables the extending hole to be in a closed state, and when the limiting rod moves;

the sealing plates are arranged into a plurality of complete circles and can be spliced into a complete circle, one end of the crank is hinged with the support ring, the other end of the crank is hinged with the sealing plate, the three sides of each sealing plate are triangular plate bodies connected by arcs, the three sides of each sealing plate are respectively a first sealing side, a second sealing side and a supporting side, the five sealing plates are arranged into five parts and are obtained by equally dividing one circle into five parts, the first sealing side of one sealing plate between every two adjacent sealing plates is matched with the second sealing side of the other sealing plate to realize sealing, the supporting sides are matched with the inner rings of the support ring, the hinge joint point of the crank and the sealing plates is positioned at the position, close to the supporting sides, on the sealing plates, supporting holes matched with the positioning rods are further formed in the positions, close to the supporting sides, the sealing plates rotate by taking the positioning rods as centers, when the limiting rods move from the end points of, the sealing plates rotate clockwise around the positioning rod under the driving of the crank, so that a first sealing edge of one sealing plate and a second sealing edge of the other sealing plate between the adjacent sealing plates move close to each other, when the limiting rod moves to the starting point of the limiting guide groove, the first sealing edge of one sealing plate between the adjacent sealing plates is matched with the second sealing edge of the other sealing plate to realize sealing, the opening and closing assembly is in a closed state, so that the extending hole is in a closed state, when the limiting rod moves from the starting point of the limiting guide groove to the end point of the limiting guide groove along the guiding direction of the limiting guide groove, the sealing plates rotate anticlockwise around the positioning rod under the driving of the crank, so that the first sealing edge of one sealing plate between the adjacent sealing plates and the second sealing edge of the other sealing plate move away from each other, the opening and closing assembly is opened, and when the limiting, the opening and closing assembly is completely opened, so that the extension hole is in an open state;

(II) water discharging stage;

(III) a transition stage;

(IV) a contraction stage;