CN110496723B - Anti-drip mechanism for high-pressure spray head - Google Patents
Anti-drip mechanism for high-pressure spray head Download PDFInfo
- Publication number
- CN110496723B CN110496723B CN201910878043.2A CN201910878043A CN110496723B CN 110496723 B CN110496723 B CN 110496723B CN 201910878043 A CN201910878043 A CN 201910878043A CN 110496723 B CN110496723 B CN 110496723B
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- China
- Prior art keywords
- water
- inlet channel
- water inlet
- pipe
- connecting pipe
- 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.)
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- 239000007921 spray Substances 0.000 title abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 230000002262 irrigation Effects 0.000 description 12
- 238000003973 irrigation Methods 0.000 description 12
- 238000001746 injection moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003405 preventing effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
- B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention relates to the technical field of spray head accessories and discloses a drip-proof mechanism of a high-pressure spray head, which comprises a main body, wherein two ends of the main body are respectively provided with a water inlet channel and a water outlet channel which are communicated with each other in a recessed mode, the water inlet channel is connected with a water pipe, the caliber of the water inlet channel is larger than that of the water outlet channel, the outer wall of the water inlet channel is provided with a connecting pipe, one end, close to the water inlet channel, of the water outlet channel extends to form an extension pipe, the caliber of which is smaller than that of the connecting pipe, an opening of which is opposite to the connecting pipe, the connecting pipe is provided with a driving part capable of blocking or opening the opening of the extension pipe, the driving part comprises a limiting sleeve, a pressing sleeve and a spring, wherein the pressing sleeve is arranged in the limiting sleeve in a telescopic mode, and the spring is positioned between the pressing sleeve and the limiting sleeve.
Description
Technical Field
The invention relates to the technical field of spray head accessories, in particular to an anti-drip mechanism for a high-pressure spray head.
Background
High-pressure spray heads are often used in farmland irrigation, and are specifically arranged to be directly fixed on a water pipe, high-pressure water is conveyed to the water pipe during irrigation, and the high-pressure water is sprayed in a mist form through the high-pressure spray heads to carry out watering. The existing high-pressure spray nozzle can have dripping phenomenon when the water pressure is low or the water source is closed, so that the irrigation is uneven and the water resource is wasted.
In order to solve the water dripping phenomenon of the high-pressure spray head caused by insufficient water pressure, chinese patent publication No. CN206500287U discloses a sprayer water spraying device capable of automatically adjusting constant liquid outlet, which comprises a connector, wherein the connector is provided with a water inlet channel and a water outlet channel, the middle part of the connector is provided with an adjusting cavity, and the lower end of the adjusting cavity is communicated with the right end of the water inlet channel; the lower part of the adjusting cavity is provided with a water stop ring in a sealing fit manner, the center of the water stop ring is provided with a through cavity which is penetrated up and down, and the upper part of the through cavity is provided with a liquid permeable hole; a piston is arranged in the cavity and is provided with a lower spring which enables the piston to have upward displacement trend, and the piston is matched with the liquid-permeable hole; the side of the adjusting cavity is provided with a liquid outlet cavity which is mutually independent from the adjusting cavity, and the lower end of the liquid outlet cavity is communicated with the left end of the water outlet channel; a water stop gasket is arranged in the middle of the adjusting cavity and is provided with an upper spring; the upper end of the piston is matched with the water stop gasket through a top block.
The structure can solve the problem of water leakage of the spray head under the condition of low pressure, but has complex integral structure and high production difficulty.
Disclosure of Invention
Aiming at solving the defect that the structure of the water dripping of the spray head is too complex in the prior art, the invention provides the anti-dripping mechanism for the high-pressure spray head.
In order to solve the technical problems, the invention is solved by the following technical scheme:
The utility model provides a drip-proof mechanism of high pressure shower nozzle, including the main part, the main part both ends are sunken respectively to have water inlet channel and the water outlet channel of mutual intercommunication, water inlet channel connects high pressure shower nozzle, water inlet channel's bore is greater than water outlet channel's bore, water inlet channel's outer wall is provided with the connecting pipe, water outlet channel's one end that is close to water inlet channel extends has a bore that is less than the connecting pipe and the opening just to the extension pipe of connecting pipe, be provided with on the connecting pipe and block or open extension pipe open-ended drive portion, drive portion includes the opening downwards and with the fixed stop collar of connecting pipe inside, the pressure cover of flexible setting and the spring that is located between pressure cover and the stop collar in the stop collar, during ordinary pressure, the pressure cover is pushed against the opening of pushing down the extension pipe.
By adopting the scheme, the whole structure is simple, the injection molding machine can be used for integrally injection molding, the extension pipe is sleeved in the water inlet channel, so that pressurized water is not pushed upwards from the central position but pushed upwards from the periphery of the extension pipe when the pressure sleeve acts, and the pressure sleeve can be pushed upwards only by relatively needing larger water pressure, thereby increasing the interception effect on low-pressure water and improving the drip and water seepage preventing effect; when the water valve (without water pressure) is closed, the pressing sleeve is always pressed against the opening of the extension pipe, so that water cannot enter the water outlet channel, and at the moment, the high-pressure spray head cannot discharge water and cannot leak water; when the high-pressure water pump is in a low-water-pressure state, the high-pressure spray head is in a discontinuous spraying state, and the conditions of water dripping and water seepage do not occur, so that the high-pressure water pump is suitable for automatic irrigation, and continuous water dripping, water seepage or uneven irrigation can not be caused even if the water pressure is insufficient.
Preferably, an elastic water-stopping film is fixed on the inner wall of the connecting pipe at the opening of the extending pipe, and the pressing sleeve is pressed against the elastic water-stopping film to seal the opening of the extending pipe under normal pressure.
By adopting the scheme, the elastic water-stop film can play a sealing role, and water is prevented from entering the driving part.
Preferably, the cross section of the pressing sleeve is U-shaped with an upward opening.
By adopting the scheme, the pressing sleeve moves up and down along the limiting sleeve under the action of the spring and the pressure water, and the upward folded edge of the pressing sleeve can play a role in guiding and limiting the displacement of the spring.
Preferably, a connector is fixed at the water inlet channel, and a connecting section, an external thread connecting section and an extending section with gradually reduced aperture are arranged at the connector from one end close to the water inlet channel to one end far away from the water inlet channel, and the external thread connecting section is connected with the water pipe and in interference insertion fit with the water inlet channel.
Preferably, the inner wall of the connecting pipe is provided with a circle of buckling groove, and the outer annular wall of the limiting sleeve is provided with a circle of convex edges which are matched and clamped with the buckling groove.
Preferably, the inner wall of the connecting pipe is provided with internal threads, and the outer annular wall of the limiting sleeve is provided with external threads connected with the internal threads.
Preferably, the elastic water-stop film is made of rubber.
Due to the adoption of the technical scheme, the invention has the following remarkable technical effects: the whole structure is simple, and the plastic injection machine can be used for integrally injection molding, so that the production cost is effectively reduced; the extension pipe is sleeved in the water inlet channel, so that the pressurized water is not pushed upwards from the central position but pushed upwards from the periphery of the extension pipe when the extension pipe is acted, and the extension pipe can jack up the pressure sleeve relatively with larger water pressure, thereby increasing the interception effect on low-pressure water and improving the drip and water seepage preventing effect; when the water valve (without water pressure) is closed, the pressing sleeve is always pressed against the opening of the extension pipe, so that water cannot enter the water outlet channel, and at the moment, the high-pressure spray head cannot discharge water or drip water and seep water; when the high-pressure spray head is in a low water pressure state, the high-pressure spray head is in an intermittent spray state, but does not drip or permeate water, and the high-pressure spray head is suitable for automatic irrigation, and can not cause continuous drip, permeate water or uneven irrigation even if the water pressure is insufficient.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an isometric view of the present invention;
Fig. 4 is an isometric view of the present invention mated with a high pressure spray head.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a main body; 2. a water inlet channel; 3. a water outlet channel; 4. a connecting pipe; 5. a limit sleeve; 6. a spring; 7. pressing the sleeve; 8. a rib; 9. a buckling groove; 10. a connector; 11. an extension tube; 12. an elastic water-stop film.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
High-pressure spray heads are often used in farmland irrigation, and are specifically arranged to be directly fixed on a water pipe, high-pressure water is conveyed to the water pipe during irrigation, and the high-pressure water is sprayed in a mist form through the high-pressure spray heads to carry out watering. The existing high-pressure spray nozzle can have dripping phenomenon when the water pressure is low or the water source is closed, so that the irrigation is uneven and the water resource is wasted.
Based on the above problems, the invention provides an anti-drip mechanism of a high-pressure spray head, which is shown by referring to fig. 1-4, and comprises a main body 1, wherein two ends of the main body 1 are respectively provided with a water inlet channel 2 and a water outlet channel 3 which are communicated with each other in a recessed way, the water outlet channel 3 is provided with an internal threaded hole and is in threaded connection with the high-pressure spray head, the water inlet channel 2 is connected with a water pipe through a connector 10, a connecting section, an external threaded connecting section and an extending section, the aperture of which is gradually reduced, are arranged from one end close to the water inlet channel 2 to one end far from the water inlet channel 2, the external threaded connecting section is in threaded connection with the water pipe, and the connecting section is fixed with the water inlet channel 2 in interference insertion fit.
The caliber of the water inlet channel 2 is larger than that of the water outlet channel 3, a connecting pipe 4 is arranged on the outer wall of the water inlet channel 2, one end, close to the water inlet channel 2, of the water outlet channel 3 is extended to an extension pipe 11, the caliber of which is smaller than that of the connecting pipe 4, an opening of which is opposite to that of the connecting pipe 4, a driving part capable of blocking or opening the opening of the extension pipe 11 is arranged on the connecting pipe 4, the driving part comprises a limiting sleeve 5, a pressing sleeve 7 and a spring 6, wherein the opening of the pressing sleeve 7 is arranged in the limiting sleeve 5 in a telescopic manner, the limiting sleeve 5 is downwards fixed with the inside of the connecting pipe 4, and the spring 6 is positioned between the pressing sleeve 7 and the limiting sleeve 5. The cross section shape of the pressing sleeve 7 is preferably U-shaped with an upward opening, and the pressing sleeve 7 has the beneficial effects that the pressing sleeve 7 moves up and down along the limiting sleeve 5 under the action of the spring 6 and pressurized water, and the upward folded edges of the pressing sleeve can play roles in guiding and limiting the displacement of the spring 6.
The stop collar 5 and the connecting pipe 4 are mutually clamped and fixed, the specific structure is shown by referring to fig. 2, a circle of buckling groove 9 is formed in the inner wall of the connecting pipe 4, a circle of convex rib 8 matched and clamped with the buckling groove 9 is formed in the outer annular wall of the stop collar 5, and the stop collar 5 is convenient to install and fix.
The invention has the following remarkable advantages:
1. The whole structure is simple, the injection molding machine can perform integral injection molding, and the production cost can be effectively reduced;
2. The extension pipe 11 is sleeved in the water inlet channel 2, so that the pressurized water is not pushed upwards from the central position when the pressure sleeve 7 acts, but pushed upwards from the periphery of the extension pipe 11, and relatively larger water pressure is needed to push up the pressure sleeve 7, thereby increasing the interception effect on low-pressure water and improving the drip and water seepage preventing effect;
3. When the water valve (without water pressure) is closed, the pressure sleeve 7 is always propped against the opening of the extension pipe 11, so that water cannot enter the water outlet channel 3, and at the moment, the high-pressure spray nozzle cannot discharge water; when the high-pressure water pressure is in a low-pressure state, the low-pressure water cannot prop up the pressure sleeve 7 at first, so that the high-pressure spray nozzle cannot discharge water; when low-pressure water continuously enters the water inlet channel 2, the water pressure in the water inlet channel 2 is continuously increased until the pressing sleeve 7 is jacked up, at the moment, the high-pressure water enters the extension pipe 11 and is sprayed out from the high-pressure spray head through the water outlet channel 3, when the subsequent water pressure is insufficient, the spring 6 acts on the pressing sheet to press the opening of the extension pipe 11 again, and at the moment, the high-pressure spray head cannot discharge water again, so that when the water pressure is low, the high-pressure spray head is in a discontinuous spraying state, but the conditions of dripping and water seepage do not occur, the automatic water-spraying machine is suitable for automatic irrigation, and continuous dripping, water seepage or uneven irrigation cannot be caused even if the water pressure is insufficient.
Example 2
Compared with the embodiment 1, the difference of the present embodiment is that the elastic water-stopping film 12 is fixed on the inner wall of the connecting tube 4 at the opening of the extension tube 11, and the pressure sleeve 7 abuts against the elastic water-stopping film 12 to seal the opening of the extension tube 11 under normal pressure, and the elastic water-stopping film 12 is made of rubber.
The elastic water-stop film 12 can perform a sealing function to prevent water from entering the driving part.
Example 3
Compared with embodiment 1, the difference of this embodiment is that the inner wall of the connecting pipe 4 is provided with an internal thread, the outer annular wall of the stop collar 5 is provided with an external thread connected with the internal thread, and the stop collar 5 and the connecting pipe 4 are connected by threads so as to facilitate the installation and the disassembly of the stop collar 5.
Claims (6)
1. The utility model provides a drip-proof mechanism of high pressure shower nozzle, includes main part (1), and main part (1) both ends are sunken respectively to have water inlet channel (2) and play water channel (3) of mutual intercommunication, and high pressure shower nozzle is connected in play water channel (3), and water inlet channel (2) connect the water pipe, its characterized in that: the caliber of the water inlet channel (2) is larger than that of the water outlet channel (3), a connecting pipe (4) is arranged on the outer wall of the water inlet channel (2), one end, close to the water inlet channel (2), of the water outlet channel (3) is extended to an extension pipe (11), the caliber of which is smaller than that of the connecting pipe (4), of which is opposite to that of the connecting pipe (4), a driving part capable of blocking or opening the opening of the extension pipe (11) is arranged on the connecting pipe (4), the driving part comprises a limiting sleeve (5) with a downward opening and fixed inside the connecting pipe (4), a pressing sleeve (7) which is arranged in the limiting sleeve (5) in a telescopic manner, and a spring (6) which is positioned between the pressing sleeve (7) and the limiting sleeve (5), an elastic water stopping film (12) is fixed on the inner wall of the connecting pipe (4) at the opening of the extension pipe (11), and the pressing sleeve (7) abuts against the elastic water stopping film (12) to seal the opening of the extension pipe (11) during normal pressure.
2. The anti-drip mechanism of a high pressure sprinkler according to claim 1, wherein: the cross section of the pressing sleeve (7) is U-shaped with an upward opening.
3. The anti-drip mechanism of a high pressure sprinkler according to claim 1, wherein: a connector (10) is fixed at the water inlet channel (2), a connecting section, an external thread connecting section and an extending section, wherein the bore diameter of the connecting section is gradually reduced, the external thread connecting section is connected with a water pipe, and the connecting section is in interference plug-in connection with the water inlet channel (2), from one end close to the water inlet channel (2) to one end far away from the water inlet channel (2).
4. The anti-drip mechanism of a high pressure sprinkler according to claim 1, wherein: the inner wall of the connecting pipe (4) is provided with a circle of buckling groove (9), and the outer annular wall of the limit sleeve (5) is provided with a circle of convex rib (8) which is matched and clamped with the buckling groove (9).
5. The anti-drip mechanism of a high pressure sprinkler according to claim 1, wherein: the inner wall of the connecting pipe (4) is provided with internal threads, and the outer annular wall of the limit sleeve (5) is provided with external threads connected with the internal threads.
6. The anti-drip mechanism of a high pressure sprinkler according to claim 1, wherein: the elastic water-stop film (12) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878043.2A CN110496723B (en) | 2019-09-17 | 2019-09-17 | Anti-drip mechanism for high-pressure spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878043.2A CN110496723B (en) | 2019-09-17 | 2019-09-17 | Anti-drip mechanism for high-pressure spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110496723A CN110496723A (en) | 2019-11-26 |
| CN110496723B true CN110496723B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878043.2A Active CN110496723B (en) | 2019-09-17 | 2019-09-17 | Anti-drip mechanism for high-pressure spray head |
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| Country | Link |
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| CN (1) | CN110496723B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112136656A (en) * | 2020-10-27 | 2020-12-29 | 余华云 | Drip irrigation drip-proof device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201370915Y (en) * | 2009-01-16 | 2009-12-30 | 上海靓消消防装备有限公司 | Constant-pressure spray head for spurting water mist |
| CN210787843U (en) * | 2019-09-17 | 2020-06-19 | 浙江乐创塑胶科技有限公司 | Drip-proof mechanism of high-pressure spray head |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2994367A (en) * | 1968-11-18 | 1970-05-28 | Oldfield John | Fluid distribution device |
| AU517866B2 (en) * | 1977-06-23 | 1981-09-03 | S. W. O Menzel | Irrigation device |
| JP2002262679A (en) * | 2001-03-07 | 2002-09-17 | Akio Tanigawa | Opening and closing apparatus for irrigation |
| CN103920607A (en) * | 2014-01-26 | 2014-07-16 | 厦门倍杰特科技有限公司 | Anti-drop shower head |
| CN206587947U (en) * | 2016-12-31 | 2017-10-27 | 天津市丰海源科技有限公司 | The concealed Irrigation shower head of hydraulic pressure control |
-
2019
- 2019-09-17 CN CN201910878043.2A patent/CN110496723B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201370915Y (en) * | 2009-01-16 | 2009-12-30 | 上海靓消消防装备有限公司 | Constant-pressure spray head for spurting water mist |
| CN210787843U (en) * | 2019-09-17 | 2020-06-19 | 浙江乐创塑胶科技有限公司 | Drip-proof mechanism of high-pressure spray head |
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| Publication number | Publication date |
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| CN110496723A (en) | 2019-11-26 |
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