CN107258496A - A kind of hydrodynamic force multifunctional automatic flow watering device - Google Patents
A kind of hydrodynamic force multifunctional automatic flow watering device Download PDFInfo
- Publication number
- CN107258496A CN107258496A CN201710512464.4A CN201710512464A CN107258496A CN 107258496 A CN107258496 A CN 107258496A CN 201710512464 A CN201710512464 A CN 201710512464A CN 107258496 A CN107258496 A CN 107258496A
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- water
- tank
- valve
- ball
- timing
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/003—Controls for self-acting watering devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/001—Self-acting watering devices, e.g. for flower-pots with intermittent watering means
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/02—Self-acting watering devices, e.g. for flower-pots having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Special Spraying Apparatus (AREA)
Abstract
A kind of hydrodynamic force multifunctional automatic flow watering device, including wall hanging type water-storing tank, ball-cock assembly, water tank hook, ball valve, distributive pipe, timing tank, lever, weights, fixing bolt, compression spring, ceramics are to sliding wear piece, block board, turn groove positioner and gland.Running water is supplied water by ball-cock assembly, wall hanging type water-storing tank for distributive pipe.The degree of engagement and frictional resistance size of rotatable gland, regulation block board and turn groove positioner, it is to avoid ball valve frequent open and close by a small margin, do not reach setting flow.The turnover water-carrying capacity of timing tank is adjusted, changes the gravitational difference of lever two ends timing tank water capacity and weights, opens or closes ball valve.Adjustment timing tank goes out the flow of water regulating valve, and water spacer is poured in control.Timing tank water-in and water-out difference in flow is adjusted, the duration that waters is adjusted.Except timing tank is that remaining end flow that waters is controllable in addition to flowers are uninterruptedly watered, pours water spacer and the duration that waters is controllable, various ways are flower sprinkling automatically.
Description
Technical field:
The present invention relates to a kind of hydrodynamic force multifunctional automatic flow watering device.
Background technology:
As the improvement of people's living standards, increasing Modern Family is beautifies and improve domestic environment, all support and plant
With put some flower plants.But be due to work go on business, travel, many-sided reason, the frequent long-time of people such as have a holiday of being on home leave
Stay out, watering for flower plant just turns into very stubborn problem in family.Household flower watering product in the market, mostly consumes
Electric type, once power-off, cannot realize function of watering.The present invention is non-consumable electrode type device, only using running water as driving force, is realized
It is automatically a variety of flower sprinklings when unattended, is mainly used in hotel, family etc. and grows flower user, be particularly suitable for use in frequent long-time
Unattended family.
The content of the invention:
The problem to be solved in the present invention is to provide one kind in the case of unattended, only in running water powered effect
Under, can discontinuity timing, quantification of a variety of flowers simultaneously, effectively different amount water.
Above mentioned problem is solved by providing a kind of device with following structure, and the device includes wall-mounted water storage
Case, ball-cock assembly, water tank hook, ball valve, distributive pipe, timing tank, lever, weights, fixing bolt, compression spring, ceramics
To sliding wear piece, block board, turn groove positioner and gland.
Wall hanging type water-storing tank open topped, stainless steel is fixed on wall proper height (2~2.4 by water tank hook
Rice).Ball-cock assembly is installed on wall hanging type water-storing tank upper lateral part, is connected with tap water supply pipe, for controlling wall hanging type water-storing tank water
Position.When wall hanging type water-storing tank water level is less than setting water level, running water system is wall hanging type water-storing tank not cut-off by ball-cock assembly
Water, when wall hanging type water-storing tank water level reaches setting water level, ball-cock assembly is closed, and is interrupted and is supplied water.When wall hanging type water-storing tank water storage is long
Between with flowers in same environment, it can be ensured that water flowers and changed with coolant-temperature gage with room temperature, mitigate flowers to the discomfort of water temperature.It is wall-mounted
The bottom of storage tank sets ball valve water inlet, ball valve delivery port and distributive pipe lateral middle UNICOM.Distributive pipe bottom sets multiple pour
Flower regulating valve and a timing tank inlet regulating valve.Timing tank water inlet pipe is gluey flexible pipe, and upper end intakes with timing tank
Regulating valve UNICOM, lower end and timing tank water inlet UNICOM, timing tank bottom sets timing tank to go out water regulating valve.Regulation is poured
Flower regulating valve and timing tank water outlet control valve opening, can be flower sprinkling by gluey flexible pipe.Timing tank inlet regulating valve
Specification goes out water regulating valve more than timing tank, it is ensured that flow of inlet water is more than water flow.
Block board is set with by block board axis hole along ball-valve valve rod horizontal sliding, T-shaped clamp is close to wall hanging type water-storing tank bottom,
Upper end is connected by fixing bolt with wall hanging type water-storing tank, it is ensured that screens Board position is fixed.Compression spring, which is placed in turn groove, to be determined
In the compression spring circular hole of position device, it is sleeved on together with turn groove positioner on ball-valve valve rod.Positioning spline ensures rotation
Dynamic groove positioner in ball-valve valve rod consubstantiality with rotating.Ceramics are set between turn groove positioner and block board and gland
To sliding wear piece, frictional force is reduced.
Block board end face top corresponding with turn groove positioner, opens spacing shelves axle with ball valve and ball valve closes spacing shelves axle
At the anglec of rotation, a pair of concentric shafts symmetrical semi-circular shape screens crickets are provided with convex.Turn groove positioner and block board pair
End face is answered, it is convex relative with the spacing screens cricket in ball valve pass, there are two pairs of axial symmetry hemispherical grooves, close spacing right with block board ball valve
Answer the convex concentric occlusion of ball.Block board end face top corresponding with turn groove positioner is provided with ball valve and opens spacing shelves axle and ball valve
Spacing shelves axle is closed, the two is concentric, turn groove positioner sets positioning lever close to block board end outer corresponding position, it is ensured that
Ball valve open and close position.Gland is connected by the external screw thread on gland internal thread and block board.Pressure bullet is adjusted by rotary gland
The frictional resistance size of the compaction degree of spring, regulation block board and turn groove positioner.
Lever is stainless steel, with good hardness, its transverse center and the firm grafting in ball-valve valve rod end, with ball
Valve valve rod is concentric together to be rotated.Lever two ends suspended counterweight counterweight and timing tank, it is anhydrous that weights are more than timing tank
When casing conduct oneself with dignity, the torsion that gravitational difference when weights and timing tank are anhydrous is produced by lever overcomes block board and rotation
The frictional resistance of dynamic groove positioner, twists ball-valve valve rod, opens ball valve;When timing tank reaches design water level, with counterweight
The torsion that the gravitational difference of counterweight is produced by lever, overcomes the frictional resistance of block board and turn groove positioner, can make card
Position cricket is convex to depart from groove screens, twists ball-valve valve rod, closes ball valve.
The frictional resistance size of block board and turn groove positioner, both ensured timing tank in anhydrous and full water with
The torsion that weights are produced by lever, can open and close ball valve, can ensure that ball valve is infrequently acted again, and reached
Full open and completely close.
Go out the water flow of water regulating valve by adjusting timing tank, flow is bigger, the water reduction in timing tank is faster,
The lever rise of timing tank end is faster, and ball valve is closed faster.
A kind of hydrodynamic force multifunctional automatic flow watering device of the present invention is compared with the consumable electrode type household flower-irrigating machine of prior art
With following technological merit:One be the device using running water as fundamental driving force, purely mechanic design is not power failure influence, reliable, ring
Protect energy-conservation;Two be the convex engaging device of ball of invention block board and turn groove positioner, is adjusted by gland and compression spring
The degree of engagement and frictional resistance of the two, produce ball valve switch component level poor, it is ensured that the torsion produced by lever can either be opened
With closing ball valve, it is avoided that ball valve is frequently switched by a small margin again;Three be to adjust ball valve switch using water gravity lever, only needs adjustment
Timing tank drainage flow, changes timing tank weight, you can adjustment, which is watered, duration and waters interval time, flexibly and easily.
Brief description of the drawings:
Embodiments of the present invention are described below with reference to accompanying drawings.
Fig. 1 is a kind of hydrodynamic force multifunctional automatic flow watering device front view of the invention.
Fig. 2 is a kind of hydrodynamic force multifunctional automatic flow watering device rearview of the invention.
Fig. 3 is a kind of hydrodynamic force multifunctional automatic flow watering device left view of the invention.
Fig. 4 is a kind of hydrodynamic force multifunctional automatic flow watering device A-A cross-sectional views of the invention.
Fig. 5 is the front view of block board 32 of the present invention.
Fig. 6 is the rearview of block board 32 of the present invention.
Fig. 7 is the cross-sectional view of block board 32 of the present invention.
Fig. 8 is the front view of turn groove positioner 33 of the present invention.
Fig. 9 is the rearview of turn groove positioner 33 of the present invention.
Figure 10 is the cross-sectional view of turn groove positioner 33 of the present invention.
Figure 11 is the rearview of gland 34 of the present invention.
Figure 12 is the cross-sectional view of gland 34 of the present invention.
Embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, the present invention includes wall
Hanging storage tank 1, ball-cock assembly 2, water tank link up with 3, ball valve 4, timing tank inlet regulating valve 5, pour water regulating valve 6, timing tank
7th, timing tank goes out water regulating valve 8, lever 9, weights 10, timing tank water inlet 11, ball-valve valve rod 12, fixing bolt
13rd, distributive pipe 14, timing tank water inlet pipe 15, block board axis hole 16, fixing bolt axis hole 17, T-shaped clamp 18, ball valve close spacing
Shelves axle 19, screens cricket convex 20, external screw thread 21, ball valve open spacing shelves axle 22, compression spring 23, ceramics to sliding wear piece 24, positioning
Lever 25, groove 26, positioning spline 27, gland axis hole 28, gland internal thread 29, compression spring circular hole 30, to sliding wear piece circular hole
31st, block board 32, turn groove positioner 33 and gland 34.
Wall hanging type water-storing tank 1 is fixed to wall proper height (2~2.4 meters), wall-mounted storage by water tank hook 3 first
Water tank 1 is anhydrous, and ball-cock assembly 2 is in open mode under gravity.During beginning state, timing tank 7 is anhydrous, timing tank 7
Weight of the deadweight less than weights 10, acted on by the gravitational difference of weights 10 and timing tank 7, lever 9 overcomes screens
The frictional resistance of plate 32 and turn groove positioner 33, twists ball-valve valve rod 12, and limit is opened when positioning lever 25 rotates to ball valve
During the shelves axle 22 of position, ball valve 4 is in fully open state.
In use, connecting running water, running water enters wall hanging type water-storing tank 1 by ball-cock assembly 2, when wall hanging type water-storing tank 1
When water level is less than setting water level, running water is that wall hanging type water-storing tank 1 constantly supplies water by ball-cock assembly 2.When water level reach it is wall-mounted
When storage tank 1 sets water level, ball-cock assembly 2 is closed, and stops water inlet.The water storage of wall hanging type water-storing tank 1 passes through ball valve 4 under gravity
Flow automatically to distributive pipe 14, the flow of water regulating valve 6 and timing tank inlet regulating valve 5 is respectively poured in regulation, respectively flower sprinkling and
Timing tank 7 supplies water.Open timing tank and go out water regulating valve 8, be that the larger flowers of water requirement start to water.By adjusting timing
Water tank water intake regulating valve 5 and timing tank go out the difference in flow of water regulating valve 8, and controllable timing tank 7 fills the time of water.Work as meter
When water tank 7 when filling water, the weight of timing tank 7 is more than the weight of weights 10, under gravity, is produced by lever 9
Raw torque forces, overcome the frictional resistance of block board 32 and turn groove positioner 33, and twisting ball-valve valve rod 12 rotates, and works as positioning
When lever 25 rotates to the spacing shelves axle 19 in ball valve pass, the occlusion screens corresponding with groove 26 of screens cricket convex 20, ball valve 4 is closed, stopped
Only supplied water for distributive pipe 14.As the water in distributive pipe 14 is constantly reduced, taper off and pour water regulating valve 6 for flower sprinkling, meter
When water tank 7 water inlet also constantly reduce, when the torsion that the gravitational difference of weights 10 and timing tank 7 is produced by lever 9, foot
During frictional resistance to overcome block board 32 and turn groove positioner 33, screens cricket convex 20 departs from the screens of groove 26, turns round
Dynamic ball-valve valve rod 12, valve is gradually opened, and when positioning lever 25, which rotates to ball valve, opens spacing shelves axle 22, ball valve 4 is in complete
Opening.Revert to distributive pipe 14 to supply water, be automatically flower sprinkling.Above procedure is repeated, and is embodied as flowers discontinuity
Quantitative watering.
The compaction degree of compression spring 23, regulation block board 32 and turn groove positioner 33 are adjusted by rotary gland 34
Degree of engagement and frictional resistance size, adjustment ball valve 4 switch component level it is poor, it is to avoid the frequent open and close by a small margin of ball valve 4, do not reach
Set flow.
Can be different because of flowers species, water regulating valve 6 is respectively poured from main regulation, spray, flowing water is realized, seep water a variety of sides of watering
Formula.Adjustment timing tank goes out the uninterrupted of water regulating valve 8, and control watering time interval, flow is big, and interval time is short, flow
Small, interval time is long.Go out the difference in flow of water regulating valve 8 by adjusting timing tank inlet regulating valve 5 and timing tank, can control
Timing tank 7 fills the time (water duration) of water, and difference in flow is bigger, and watering time is shorter, and difference in flow is smaller, and watering time is got over
It is long.Whole process, only timing tank 7 go out water regulating valve 8 by timing tank and uninterruptedly watered for flowers.Realize it is whole nobody
Period on duty, flow is controllable, and it is controllable to pour water spacer, various ways automatic watering function.
Claims (5)
1. a kind of hydrodynamic force multifunctional automatic flow watering device, including wall hanging type water-storing tank, ball-cock assembly, water tank hook, ball valve, Fen Shui
Pipe, timing tank, lever, weights, fixing bolt, compression spring, ceramics are positioned to sliding wear piece, block board, turn groove
Device and gland, it is characterized in that:Described ball-cock assembly is installed on wall hanging type water-storing tank running water water inlet oral area, for controlling wall hanging
Formula water storage tank water level;Ball valve water inlet placement fourth wall hanging type water-storing tank bottom, delivery port and stainless steel tube distributive pipe lateral middle
UNICOM, distributive pipe bottom sets multiple regulating valve and timing tank inlet regulating valves of watering flowers.
2. block board as claimed in claim 1, it is characterized in that:Described block board passes through fixing bolt and wall hanging type water-storing tank
Connection, T-shaped clamp is close to wall hanging type water-storing tank bottom;Block board end face top corresponding with turn groove positioner, with ball valve
Open spacing shelves axle and ball valve close spacing shelves axle with the anglec of rotation at, be provided with the semicircle screens cricket of two pairs of concentric axial symmetry convex;
Block board end face top corresponding with turn groove positioner is provided with ball valve and opens the spacing shelves axle of spacing shelves axle and ball valve pass, the two
It is concentric.
3. turn groove positioner as claimed in claim 1, it is characterized in that:Described turn groove positioner and screens
Plate correspondence end face, has a pair of axial symmetry hemispherical grooves, the spacing corresponding convex concentric occlusion of screens cricket is closed with block board ball valve;Rotation
Dynamic groove positioner sets positioning lever close to block board end outer corresponding position, it is ensured that ball valve open and close position.
4. lever as claimed in claim 1, it is characterized in that:Described lever is stainless steel, its horizontal center and ball
The firm grafting of valve valve stem end, with the concentric rotation of ball-valve valve rod, lever two ends difference suspended counterweight counterweight and timing tank are matched somebody with somebody
Gravitational difference when weight counterweight and timing tank are without (having) water produces torsion by lever, overcomes block board and turn groove to position dress
Frictional resistance between putting, twists ball-valve valve rod, opens (closing) ball valve.
5. timing tank as claimed in claim 1, it is characterized in that:Described timing tank inlet regulating valve adjusts caliber to be more than meter
When water tank go out water regulating valve caliber, adjustment timing tank goes out the uninterrupted of water regulating valve, control watering time interval, flow
Greatly, interval time is short, and flow is small, and interval time is long;Adjustment timing tank inlet regulating valve goes out water regulating valve with timing tank
Difference in flow, controllable timing tank fills the time (water duration) of water, and difference in flow is bigger, and watering time is shorter, and difference in flow is got over
Small, watering time is longer.
Priority Applications (1)
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CN201710512464.4A CN107258496A (en) | 2017-06-29 | 2017-06-29 | A kind of hydrodynamic force multifunctional automatic flow watering device |
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CN201710512464.4A CN107258496A (en) | 2017-06-29 | 2017-06-29 | A kind of hydrodynamic force multifunctional automatic flow watering device |
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CN107258496A true CN107258496A (en) | 2017-10-20 |
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CN201710512464.4A Pending CN107258496A (en) | 2017-06-29 | 2017-06-29 | A kind of hydrodynamic force multifunctional automatic flow watering device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110050561A (en) * | 2019-04-17 | 2019-07-26 | 山西省农业科学院作物科学研究所 | It is a kind of for Chinese medicine plant can quantitative fertilization device |
CN116689205A (en) * | 2023-08-07 | 2023-09-05 | 江苏瑞奥减速机械有限公司 | Multipurpose water flow spray pipe speed reducer |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2583219Y (en) * | 2002-09-09 | 2003-10-29 | 黄占勇 | Float valve for cistern |
US20040035466A1 (en) * | 2000-11-27 | 2004-02-26 | Oretti John Earnest | Float valve |
CN201795148U (en) * | 2010-09-25 | 2011-04-13 | 北京亚都室内环保科技股份有限公司 | Detachable floater type water valve device and humidifier |
CN103636468A (en) * | 2013-11-25 | 2014-03-19 | 无锡俊达测试技术服务有限公司 | Automatic watering device |
CN103982702A (en) * | 2014-05-20 | 2014-08-13 | 长治市丰雨机械有限公司 | Mechanical type floater water feeding valve |
CN205213667U (en) * | 2015-10-31 | 2016-05-11 | 重庆百恒农业发展有限公司 | Automatic watering device of flowerpot |
CN205578862U (en) * | 2016-05-12 | 2016-09-14 | 郑珊红 | Improved generation rotation type ball -cock assembly |
CN206165354U (en) * | 2016-10-19 | 2017-05-17 | 上海水石景观环境设计有限公司 | Automatic watering device in gardens |
-
2017
- 2017-06-29 CN CN201710512464.4A patent/CN107258496A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040035466A1 (en) * | 2000-11-27 | 2004-02-26 | Oretti John Earnest | Float valve |
CN2583219Y (en) * | 2002-09-09 | 2003-10-29 | 黄占勇 | Float valve for cistern |
CN201795148U (en) * | 2010-09-25 | 2011-04-13 | 北京亚都室内环保科技股份有限公司 | Detachable floater type water valve device and humidifier |
CN103636468A (en) * | 2013-11-25 | 2014-03-19 | 无锡俊达测试技术服务有限公司 | Automatic watering device |
CN103982702A (en) * | 2014-05-20 | 2014-08-13 | 长治市丰雨机械有限公司 | Mechanical type floater water feeding valve |
CN205213667U (en) * | 2015-10-31 | 2016-05-11 | 重庆百恒农业发展有限公司 | Automatic watering device of flowerpot |
CN205578862U (en) * | 2016-05-12 | 2016-09-14 | 郑珊红 | Improved generation rotation type ball -cock assembly |
CN206165354U (en) * | 2016-10-19 | 2017-05-17 | 上海水石景观环境设计有限公司 | Automatic watering device in gardens |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110050561A (en) * | 2019-04-17 | 2019-07-26 | 山西省农业科学院作物科学研究所 | It is a kind of for Chinese medicine plant can quantitative fertilization device |
CN110050561B (en) * | 2019-04-17 | 2020-06-30 | 山西省农业科学院作物科学研究所 | Quantitative fertilizing device for traditional Chinese medicine planting |
CN116689205A (en) * | 2023-08-07 | 2023-09-05 | 江苏瑞奥减速机械有限公司 | Multipurpose water flow spray pipe speed reducer |
CN116689205B (en) * | 2023-08-07 | 2023-10-13 | 江苏瑞奥减速机械有限公司 | Multipurpose water flow spray pipe speed reducer |
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Application publication date: 20171020 |