CN105987211A - Flow adjuster - Google Patents
Flow adjuster Download PDFInfo
- Publication number
- CN105987211A CN105987211A CN201510096603.0A CN201510096603A CN105987211A CN 105987211 A CN105987211 A CN 105987211A CN 201510096603 A CN201510096603 A CN 201510096603A CN 105987211 A CN105987211 A CN 105987211A
- Authority
- CN
- China
- Prior art keywords
- mozzle
- protuberance
- cavity
- flow regulator
- inner chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000004308 accommodation Effects 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 239000003621 irrigation water Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention provides a flow adjuster which comprises a water feeding cavity, a filter body, an inner cavity, a water discharging cavity, a flow guide pipe and a preset spring, wherein a water inlet is formed in the water feeding cavity; the filter body is arranged in the water feeding cavity; the inner cavity is formed in the water feeding cavity; the water discharging cavity is connected to the water feeding cavity; a water outlet is formed in the water discharging cavity; the flow guide pipe is arranged in the inner cavity and communicates with the water feeding cavity and the water discharging cavity; the preset spring is arranged on the flow guide pipe in a sleeving manner; a dynamic overflowing opening is formed between the top of the flow guide pipe and the filter body; the opening degree of the dynamic overflowing opening is dynamically adjusted by a pair of balance forces generated by the preset spring and water pressure at the water outlet, so as to adjust the flow.
Description
Technical field
The present invention relates to a kind of flow regulator in agricultural irrigation.
Background technology
Center pivot sprinkling machine is large-scale agricultural irrigation equipment, and unit reaches the water-supply-pipe of hundreds of meters around one
Fixing center pivot rotary operation, (effective with unit length along the irrigated area of water-supply-pipe length direction
Irrigated area radius) quadratic relation increase, and the increase of the pressure random group length in water-supply-pipe and
Reducing, when especially there is following several situation, the actual rate of discharge of each shower nozzle is relatively big with design load generation partially
Difference, can cause overall uniformity of irrigation water appilcation to be deteriorated.
(1) topographical elevation difference causes along water-main road dispenser nozzles operating pressure inconsistent.
(2) drag losses that current produce when flowing through water-main road causes along the configuration spray of water-main road
Head operating pressure is inconsistent.
(3) when using same pump to supply water to not only one unit, it is desirable to unit operating pressure is stable
In the case of pressure regulator must be used to adjust mouth pressure.
The most how to improve the uniformity of irrigation water appilcation of unit just to become people research center and prop up the weight of shaft type irrigation sprinkler
Point problem.
Summary of the invention
The technical problem to be solved is to provide a kind of flow regulator, wherein, comprises:
One water inlet cavity, is provided with a water inlet；
One filtering bodies, is installed in described intake antrum body；
One inner chamber body, is installed in described intake antrum body；
One water outlet cavity, is linked in described water inlet cavity, described water outlet cavity is provided with an outlet；
One mozzle, is installed in described inner chamber body, and connects described water inlet cavity and described water outlet cavity；
One preset spring, is sheathed on described mozzle；
Wherein, between top and the described filtering bodies of described mozzle formed one dynamic cross head piece, described dynamically
The aperture crossing head piece is carried out dynamically by hydraulically-formed a pair equilibrant of described preset spring and described outlet
Regulate and then realize the regulation of flow.
Above-mentioned flow regulator, wherein, the lower surface of described filtering bodies be additionally provided with circumferentially be distributed many
Individual first protuberance, the end face of described inner chamber body is provided with the annular corresponding to the plurality of first protuberance
Recess, the plurality of first protuberance is fastened on described annular recess.
Above-mentioned flow regulator, wherein, also comprises one first sealing ring, is installed in the plurality of first convex
Between portion and described annular recess, the plurality of first protuberance and described annular recess compress described first and seal
Circle.
Above-mentioned flow regulator, wherein, also comprises one second sealing ring, and described inner chamber body is provided with described
The annular step to contract, described second sealing ring it is additionally provided with on the outer wall of one end of annular recess
Being sheathed on described annular step, described filtering bodies and described inner chamber body compress described second sealing ring.
Above-mentioned flow regulator, wherein, the outer wall of described mozzle bottom is provided with rounded one convex
Extending portion, is connected to described outer wall, and the upper surface of described convex extension part also upwardly extends and is provided with one first flange；
The inner chamber top of described inner chamber body is provided with one second protuberance ringwise；One end of described preset spring is close to
In described second protuberance, the other end of described preset spring is close to the upper surface of described first flange, to produce
A raw downward thrust is in described mozzle.
Above-mentioned flow regulator, wherein, the upper surface of described water outlet cavity also upwardly extends and is provided with in ring
One the 3rd protuberance of shape.
Above-mentioned flow regulator, wherein, also comprises an elastic telescopic film and a packing washer, described elasticity
Flexible film is sheathed on described convex extension part, and described elastic telescopic film also comprises the outer arranged that stretches out
And one relative to edge in described outer and arranged that extends internally, described 3rd protuberance and described inner chamber body and
Compress described outer；The lower surface of described convex extension part extends downward with one second flange, described clamping pad
Snare is located on described second flange and is linked in the outer wall of described second flange, and described packing washer is with described
Convex extension part compresses described interior edge.
Above-mentioned flow regulator, wherein, the inwall of described second flange, the upper surface of described water outlet cavity
And between the lower surface of described convex extension part, form one first accommodation space；The outer wall of described packing washer, institute
State formation one second accommodation space between the upper surface of elastic telescopic film and described water outlet cavity；Described water outlet
It is additionally provided with an annular projection on cavity, forms one the 3rd accommodation space with the outer wall of described mozzle, and
It is communicated in described mozzle；One with pressure current by described 3rd accommodation space flow into described first hold
A thrust upwards is produced in described mozzle between being empty and after described second accommodation space.
Above-mentioned flow regulator, wherein, the inwall of described packing washer is provided with the multiple of circle distribution
4th protuberance；The annular corresponding to the plurality of 4th protuberance it is provided with recessed on the outer wall of described second flange
Groove portion, the plurality of 4th protuberance is fastened on described annular groove section.
Above-mentioned flow regulator, wherein, described mozzle top is additionally provided with the throat in inverted cone.
Above-mentioned flow regulator, wherein, described water inlet cavity uses in anti-triangle with described water outlet cavity
The buckle structure connection of shape.
Present invention is directed at its effect of prior art to be, current are after water inlet enters, by an aperture
Adjustable dynamic head piece excessively, flows out from outlet, and dynamic head piece aperture of crossing is by prefabricated spring and outlet
Hydraulic pressure generation thrust forms a pair equilibrant and is adjusted, and outlet pressure is big, and dynamic head piece aperture of crossing subtracts
Little, cause outlet pressure to reduce, thrust reduces, and is finally reached balance, crosses head piece aperture stable, it is achieved
Flow-rate adjustment purpose；Otherwise, outlet pressure is little, and dynamic head piece aperture excessively is big, causes outlet pressure
Increasing, thrust increases, and is finally reached balance, crosses head piece aperture stable, it is achieved Flow-rate adjustment purpose, to carry
The uniformity of irrigation water appilcation of high unit.Wherein, water inlet cavity and water outlet cavity, and mozzle and clamping washer it
Between use button connection, also there is easy accessibility, the advantage reducing workman's set-up time.
Accompanying drawing explanation
Fig. 1 is the generalized section of inventive flow actuator embodiment；
Fig. 2 A-2B is mozzle and the clamping washer button connecting structure of inventive flow actuator embodiment
Top view and sectional view；
Fig. 2 C is mozzle and the clamping washer button connection knot of Fig. 2 B inventive flow actuator embodiment
The enlarged drawing of structure；
Fig. 3 A-3B is water inlet cavity and the connection of water outlet cavity button of inventive flow actuator embodiment
Top view and sectional view.
Wherein, reference:
11 water inlet cavitys
111 water inlets
12 filtering bodies
121 first protuberances
13 inner chamber body
131 annular recess
132 annular step
133 second protuberances
14 water outlet cavitys
141 outlets
142 the 3rd protuberances
143 annular projection
15 mozzles
151 convex extension parts
1511 first flanges
1512 second flanges
15121 concave parts
152 throats
16 preset springs
17 dynamic head pieces excessively
18 first sealing rings
19 second sealing rings
20 elastic telescopic films
201 outers
Edge in 202
21 packing washers
211 the 4th protuberances
A the first accommodation space
B the second accommodation space
C the 3rd accommodation space
H maximum perpendicular displacement
Detailed description of the invention
Detailed content the most for the present invention and technology explanation, now make furtherly with a preferred embodiment
Bright, but it is not necessarily to be construed as the restriction that the present invention implements.
Refer to Fig. 1, Fig. 1 inventive flow actuator embodiment generalized section.As it is shown in figure 1,
The flow regulator of the present invention comprises: one water inlet cavity 12, inner chamber body 13 of 11, filtering bodies,
14, mozzle 15 of one water outlet cavity and a preset spring 16；Arrange on water inlet cavity 11
There is a water inlet 111；Filtering bodies 12 is installed in water cavity 11；Inner chamber body 13 is installed in into water
In cavity 11 and be positioned at the lower section of filtering bodies 12；Water outlet cavity 14 is linked in into water cavity 11, and water outlet
Cavity 14 is provided with an outlet 141；Mozzle 15 is installed in inner chamber body 13, and connection water inlet
Cavity 11 and described water outlet cavity 14；Preset spring 16 is sheathed on mozzle 15；Wherein, mozzle
Between top and the filtering bodies 12 of 15 formed one dynamic cross head piece 17, dynamic cross head piece 17 aperture by
Hydraulically-formed a pair equilibrant of preset spring 16 and outlet 141 dynamically regulates and then realizes flow
Regulation.
In the present embodiment, the lower surface of filtering bodies 12 is additionally provided with multiple first protuberances being circumferentially distributed
121；An annular recess corresponding to multiple first protuberances 121 it is provided with on the upper surface of inner chamber body 13
131；Multiple first protuberances 121 can be fastened on annular recess 131.The flow regulator of the present invention comprises
One the first sealing ring 18, is installed between multiple first protuberance 121 and annular recess 131, Duo Ge
One protuberance 121 and annular recess 131 compress the first sealing ring 18 to ensure that current the most outwards ooze out.
In the present embodiment, in inner chamber body 13 and on the outer wall of one end of being provided with annular recess 131 also
Being provided with to contract annular step 132, the flow regulator of the present invention also comprises one second
Sealing ring 19 is sheathed on annular step 132, and the lower surface of filtering bodies 12 and inner chamber body 13 compress the
Two sealing rings 19 are to ensure that current the most outwards ooze out.
Referring to Fig. 1, Fig. 2 A-2B and Fig. 2 C again, Fig. 2 A-2B is inventive flow actuator embodiment
Mozzle and the top view of clamping washer button connecting structure and sectional view；Fig. 2 C is Fig. 2 B present invention
The mozzle of flow regulator embodiment and the enlarged drawing of clamping washer button connecting structure.Such as Fig. 1, figure
Shown in 2A-2B and Fig. 2 C, the outer wall of mozzle 15 bottom is provided with a rounded convex extension part 151,
It is connected to outer wall, and the upper surface of convex extension part 151 also upwardly extends and is provided with one first flange 1511；Institute
The inner chamber top stating inner chamber body 13 is provided with second protuberance 133 ringwise；The one of preset spring 16
End is close to the lower surface of the second protuberance 133, and the other end of preset spring 16 is close to the first flange 1511
Upper surface, to produce a downward thrust in mozzle 15.
In the present embodiment, the upper surface of water outlet cavity 14 also upwardly extends be provided with ringwise
Three protuberances 142.The flow regulator of the present invention further includes an elastic telescopic film 20 and a packing washer
21；Elastic telescopic film 20 is sheathed on convex extension part 151, and also comprising of elastic telescopic film 20 stretches out
The outer 201 and one arranged is interior along 202 relative to outer 201 and arranged that extends internally, and the 3rd is convex
Portion 142 and inner chamber body 13 and compression outer 201；The lower surface of convex extension part 151 extends downward with one
Second flange 1512, packing washer 21 is sheathed on the second flange 1512 and is linked in the second flange 1512
Outer wall, the lower surface of packing washer 21 and convex extension part 151 compress in along 202.Wherein with the second flange
The outer wall of 1512 and packing washer 21 use buckle structure connection to be preferably an embodiment, i.e. clamping pad
Multiple 4th protuberances 211 of circle distribution it are provided with on the inwall of circle 21；Arrange on the outer wall of the second flange
The annular groove section 15121 corresponding to multiple 4th protuberances 211, multiple 4th protuberances 211 is had to be fastened on
Annular groove section 15121.Wherein the outer 201 of elastic telescopic film 20 is by the 3rd protuberance 142 and inner chamber body
13 and compress, elastic telescopic film 20 interior along 202 by packing washer 21 and the lower surface of convex extension part 151
Compressing, this structure ensures that outlet 141 current upwards the most upwards leak during thrust producing.
Another the most in the present embodiment, the inwall of the second flange 1512, the upper surface of water outlet cavity 14 and protrude out
One first accommodation space A is formed between the lower surface in portion 151；The outer wall of packing washer 21, elastic telescopic
One second accommodation space B is formed between the upper surface of film 20 and water outlet cavity 14；On water outlet cavity 14
It is additionally provided with an annular projection 143, forms one the 3rd accommodation space C with the outer wall of mozzle 15, and
It is communicated in mozzle 15；One flows into the first accommodation space with the current of pressure by the 3rd accommodation space C
A thrust upwards is produced in mozzle 15 after A and the second accommodation space B.Simultaneously because be provided with
Elastic telescopic film 20 more ensure that the normal upper and lower displacement of mozzle 15.
Referring to Fig. 1 again, in the present embodiment, mozzle 15 top is additionally provided with the larynx in inverted cone
Portion 152, enable the movement of stream gradual change in mozzle 15, to ensure mozzle 15 internal pressure
Stable.
Refer to the intake antrum that Fig. 1 and Fig. 3 A-3B, Fig. 3 A-3B is inventive flow actuator embodiment
Body and water outlet cavity button connection top view and sectional view.As shown in Fig. 1 and Fig. 3 A-3B, intake antrum
Body 11 and water outlet cavity 14 use the buckle structure in anti-triangle to connect, ease of assembly, it is easy to location.
Below in conjunction with Fig. 1, structural principle and the operation principle of the present invention are described in detail, arrow in Fig. 1
Direction is the flow direction of current；Dotted portion is metastable dynamic head piece 17 excessively.Current are from water inlet
Mouth 111 flows into, between filtering bodies 12 and mozzle 15, crosses head piece 17 the dynamic of top formation,
Entering into mozzle 15, after current are flowed out by mozzle 15 again, the overwhelming majority flows out from outlet 141,
The current of the 3rd accommodation space C are back to the first appearance by gap between mozzle 15 and water outlet cavity 14
It is empty an A and the second accommodation space B, mozzle 15 is produced a thrust upwards, thrust upwards
The downward thrust of the offer with preset spring 16 is interacting at mozzle 15, thus drives mozzle 15
Carry out vertically moving (the maximum perpendicular displacement that mozzle 15 vertically moves is H), and then reach equilibrium-like
State, ultimately forms a metastable dynamic head piece 17 excessively, it is achieved that the purpose of Flow-rate adjustment.
Above are only presently preferred embodiments of the present invention, be not used for limiting the scope that the present invention implements,
In the case of present invention spirit and essence thereof, those of ordinary skill in the art work as can be according to the present invention
Make various corresponding change and deformation, but these change accordingly and deformation all should belong to appended by the present invention
Scope of the claims.
Claims (11)
1. a flow regulator, it is characterised in that comprise:
One water inlet cavity, is provided with a water inlet；
One filtering bodies, is installed in described intake antrum body；
One inner chamber body, is installed in described intake antrum body；
One water outlet cavity, is linked in described water inlet cavity, described water outlet cavity is provided with an outlet；
One mozzle, is installed in described inner chamber body, and connects described water inlet cavity and described water outlet cavity；
One preset spring, is sheathed on described mozzle；
Wherein, between top and the described filtering bodies of described mozzle formed one dynamic cross head piece, described dynamically
The aperture crossing head piece is carried out dynamically by hydraulically-formed a pair equilibrant of described preset spring and described outlet
Regulate and then realize the regulation of flow.
2. flow regulator as claimed in claim 1, it is characterised in that the lower surface of described filtering bodies
It is additionally provided with multiple first protuberances being circumferentially distributed, the end face of described inner chamber body is provided with corresponding to institute
Stating an annular recess of multiple first protuberance, the plurality of first protuberance is fastened on described annular recess.
3. flow regulator as claimed in claim 2, it is characterised in that also comprise one first sealing ring,
It is installed between the plurality of first protuberance and described annular recess, the plurality of first protuberance and described annular
Recess compresses described first sealing ring.
4. flow regulator as claimed in claim 2, it is characterised in that also comprise one second sealing ring,
The annular to contract it is additionally provided with on the outer wall of one end that described inner chamber body is provided with described annular recess
Stage portion, described second sealing ring is sheathed on described annular step, described filtering bodies and described inner chamber body
Compress described second sealing ring.
5. flow regulator as claimed in claim 1, it is characterised in that outside described mozzle bottom
Being provided with a rounded convex extension part on wall, be connected to described outer wall, the upper surface of described convex extension part is the most upwards
Extended have one first flange；The inner chamber top of described inner chamber body is provided with one second protuberance ringwise；
Described second protuberance is close in one end of described preset spring, and the other end of described preset spring is close to described
The upper surface of the first flange, to produce a downward thrust in described mozzle.
6. flow regulator as claimed in claim 5, it is characterised in that the upper end of described water outlet cavity
Face also upwardly extends one the 3rd protuberance being provided with ringwise.
7. flow regulator as claimed in claim 6, it is characterised in that also comprise an elastic telescopic film
And a packing washer, described elastic telescopic Membrane cover is located on described convex extension part, and described elastic telescopic film also wraps
Containing the outer arranged and that stretches out relative to edge in described outer and arranged that extends internally, described
3rd protuberance and described inner chamber body and compress described outer；The lower surface of described convex extension part extends downward with
One second flange, described packing washer is sheathed on described second flange and is linked in outside described second flange
Wall, described packing washer compresses described interior edge with described convex extension part.
8. flow regulator as claimed in claim 7, it is characterised in that the inwall of described second flange,
One first accommodation space is formed between the upper surface of described water outlet cavity and the lower surface of described convex extension part；Institute
State and between the upper surface of the outer wall of packing washer, described elastic telescopic film and described water outlet cavity, form one the
Two accommodation spaces；It is additionally provided with an annular projection, with the outer wall shape of described mozzle on described water outlet cavity
Cheng Yi tri-accommodation space, and it is communicated in described mozzle；One with pressure current by described 3rd hold
A thrust upwards is produced after flowing into described first accommodation space and described second accommodation space between being empty
In described mozzle.
9. flow regulator as claimed in claim 8, it is characterised in that the inwall of described packing washer
On be provided with multiple 4th protuberances of circle distribution；It is provided with corresponding to described on the outer wall of described second flange
One annular groove section of multiple 4th protuberances, the plurality of 4th protuberance is fastened on described annular groove section.
10. flow regulator as claimed in claim 1, it is characterised in that described mozzle top also sets
It is equipped with the throat in inverted cone.
11. flow regulators as claimed in claim 1, it is characterised in that described water inlet cavity is with described
Water outlet cavity uses the buckle structure connection in anti-triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096603.0A CN105987211A (en) | 2015-03-04 | 2015-03-04 | Flow adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096603.0A CN105987211A (en) | 2015-03-04 | 2015-03-04 | Flow adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105987211A true CN105987211A (en) | 2016-10-05 |
Family
ID=57039595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510096603.0A Pending CN105987211A (en) | 2015-03-04 | 2015-03-04 | Flow adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105987211A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257646A (en) * | 1992-08-17 | 1993-11-02 | Nelson Irrigation Corporation | O-ring damped regulator |
| CN2444259Y (en) * | 2000-10-20 | 2001-08-22 | 山东莱芜塑料制品股份有限公司 | Regurator for pressure and flow quantity |
| US20060086391A1 (en) * | 2004-04-13 | 2006-04-27 | Nelson Irrigation Corporation | Pressure regulator with single strut regulator seat |
| US20120285561A1 (en) * | 2011-05-11 | 2012-11-15 | Senninger Irrigation, Inc. | Pressure regulator seat assembly |
| CN103141363A (en) * | 2013-01-17 | 2013-06-12 | 中国农业大学 | Preset pressure-adjustable capillary pressure adjuster |
-
2015
- 2015-03-04 CN CN201510096603.0A patent/CN105987211A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257646A (en) * | 1992-08-17 | 1993-11-02 | Nelson Irrigation Corporation | O-ring damped regulator |
| CN2444259Y (en) * | 2000-10-20 | 2001-08-22 | 山东莱芜塑料制品股份有限公司 | Regurator for pressure and flow quantity |
| US20060086391A1 (en) * | 2004-04-13 | 2006-04-27 | Nelson Irrigation Corporation | Pressure regulator with single strut regulator seat |
| US20120285561A1 (en) * | 2011-05-11 | 2012-11-15 | Senninger Irrigation, Inc. | Pressure regulator seat assembly |
| CN103141363A (en) * | 2013-01-17 | 2013-06-12 | 中国农业大学 | Preset pressure-adjustable capillary pressure adjuster |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI342196B (en) | Bodyspray having adjustable spray orientation | |
| CN107051762B (en) | Square spraying area variable spraying nozzle | |
| WO2019148736A1 (en) | Water-fertilizer-pesticide integrated multifunctional irrigation spray head | |
| CN102513239B (en) | Automatic outlet pressure regulating device for variable sprayer | |
| CN213548862U (en) | Garden irrigation spray head | |
| CN105889676A (en) | Water pipe connector | |
| CN107318593B (en) | Combined press force compensating douche between a kind of washable pipe | |
| CN206996893U (en) | A kind of square spray field variable spray nozzle | |
| CN100554752C (en) | Steady flow device for drip irrigation | |
| CN105987211A (en) | Flow adjuster | |
| CN105964436B (en) | A kind of multifunctional low-voltage sprinkling irrigation sprinkler head | |
| CN2407577Y (en) | Pressure regulator for water saving irrigation | |
| CN205761868U (en) | Nozzle component and ejecting device | |
| CN106861998B (en) | Changeable fountain based on proportion adjustment | |
| CN211412383U (en) | High-pressure spray head | |
| CN106856779A (en) | A kind of shower nozzle with fertilizing functions | |
| CN203853190U (en) | A fixed spray head with a square spray area | |
| CN203091154U (en) | Adjustable type atomizing micro spray nozzle | |
| CN206661539U (en) | Hundred change eruptive fountain based on proportion adjustment | |
| CN109277239A (en) | A kind of Novel adjustable nozzle | |
| CN218690869U (en) | Sprinkler capable of enlarging water spraying range | |
| CN206103173U (en) | Steady voltage fire hydrant | |
| CN205868586U (en) | Spray angle adjustable irrigation spray nozzle | |
| CN216221281U (en) | Soap lye watering can | |
| CN205329618U (en) | But pressure regulating formula waterwheel sprinkler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161005 |
|
| WD01 | Invention patent application deemed withdrawn after publication |