CN210787843U - Drip-proof mechanism of high-pressure spray head - Google Patents
Drip-proof mechanism of high-pressure spray head Download PDFInfo
- Publication number
- CN210787843U CN210787843U CN201921543241.5U CN201921543241U CN210787843U CN 210787843 U CN210787843 U CN 210787843U CN 201921543241 U CN201921543241 U CN 201921543241U CN 210787843 U CN210787843 U CN 210787843U
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- Prior art keywords
- connecting pipe
- high pressure
- water
- pressure nozzle
- opening
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- 239000007921 spray Substances 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 230000000694 effects Effects 0.000 description 11
- 238000001746 injection moulding Methods 0.000 description 6
- 230000002262 irrigation Effects 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model relates to a shower nozzle accessory technical field discloses a drip proof mechanism of high pressure nozzle, comprising a main body, the main part both ends are sunken inlet channel and the exhalant canal that has mutual intercommunication respectively, exhalant canal connects high pressure nozzle, inlet channel connects the water pipe, the inlet channel bore is greater than exhalant canal, inlet channel's outer wall is provided with the connecting pipe, the one end that exhalant canal is close to inlet channel extends to have a bore that bore is less than the connecting pipe and the opening just to the extension of connecting pipe, be provided with on the connecting pipe and block or open extension open-ended drive division, drive division include the opening downwards and with the inside fixed stop collar of connecting pipe, the flexible pressure cover that sets up in the stop collar and lie in and press the spring between cover and the stop collar, during the ordinary pressure, the pressure cover supports the opening of pushing down the extension, this drip proof mechanism simple structure, practicality, the cost is low, high pressure nozzle drips when can effectively avoid low pressure or, The condition of water seepage occurs.
Description
Technical Field
The utility model relates to a shower nozzle accessory technical field especially relates to a drip proof mechanism of high pressure nozzle.
Background
High-pressure nozzles are often used in farmland irrigation, and are particularly directly fixed on water pipes, high-pressure water is conveyed to the water pipes during irrigation, and the high-pressure water is sprayed in a foggy manner through the high-pressure nozzles for watering. The existing high-pressure nozzle has the problem that when the water pressure is low or a water source is closed, the water dripping phenomenon can occur, so that the irrigation is not uniform and the water resource is wasted.
In order to solve the problem of dripping of the high-pressure nozzle caused by insufficient water pressure, Chinese patent with publication No. CN206500287U discloses a sprayer water spraying device capable of automatically adjusting constant liquid outlet, which comprises a connector, a water inlet channel, a water outlet channel, an adjusting cavity, a water outlet 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 through up and down, and the upper part of the through cavity is provided with a liquid-permeable hole; a piston is arranged in the through cavity, the piston is provided with a lower spring which enables the piston to have upward displacement tendency, and the piston is matched with the liquid-permeable hole; a liquid outlet cavity which is independent from the adjusting cavity is arranged on the side of the adjusting cavity, and the lower end of the liquid outlet cavity is communicated with the left end of the water outlet channel; the middle part of the adjusting cavity is provided with a water stop gasket which is provided with an upper spring; the upper end of the piston is matched with the water stop gasket through a top block.
Although the structure can solve the problem of water leakage of the spray head under the condition of low pressure, the whole structure is complex and the production difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the structure too complicated shortcoming that the shower nozzle dripped to prior art, provide a drip proof mechanism of high pressure nozzle.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a drip proof mechanism of high pressure nozzle, comprising a main body, the main part both ends are sunken inlet channel and the exhalant canal that has mutual intercommunication respectively, exhalant canal connects high pressure nozzle, inlet channel connects the water pipe, inlet channel's bore is greater than exhalant canal's bore, inlet channel's outer wall is provided with the connecting pipe, outlet channel is close to inlet channel's one end and extends that bore and opening that have a bore to be less than the connecting pipe just to the extension pipe of connecting pipe, be provided with on the connecting pipe and block or open extension pipe open-ended drive division, the drive division includes the opening downwards and with the inside fixed stop collar of connecting pipe, the flexible pressure cover that sets up in the stop collar and be located the spring between pressure cover and the stop collar, during the ordinary pressure, the cover supports.
By adopting the scheme, the integral structure is simple, the injection molding machine can be used for integral injection molding, the extension pipe is sleeved in the water inlet channel, so that the pressure water is not upwards ejected from the central position but upwards ejected from the periphery of the extension pipe when acting on the pressure sleeve, and the pressure sleeve can be ejected only by needing larger water pressure, so that the interception effect on low-pressure water is increased, and the anti-dripping and water seepage effects are improved; when the water valve is closed (no water pressure), 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 nozzle does not discharge water or leak water; when being in low water pressure state, high pressure nozzle is in and is interrupted the spraying state, but does not appear dripping, the condition of infiltration, and this just is applicable to automatic irrigation, even water pressure not enough can not lead to lasting dripping, infiltration or irrigate inhomogeneous phenomenon.
Preferably, an elastic water stop film is fixed on the inner wall of the connecting pipe at the opening of the extension pipe, and the pressing sleeve presses the elastic water stop film to seal the opening of the extension pipe under normal pressure.
Adopt above-mentioned scheme, elasticity stagnant water film can play sealed effect, avoids water to enter into drive division.
Preferably, the cross-sectional shape of the pressing sleeve is provided in a U-shape 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 roles of guiding and limiting the displacement of the spring.
As preferred, inhalant canal department is fixed with a connector, and the connector is provided with linking section, external thread connection section and the extension section that is the aperture and reduces gradually from the one end that is close to inhalant canal to the one end of keeping away from inhalant canal, and external thread connection section and water piping connection link up section and inhalant canal interference plug-in fit.
Preferably, the inner wall of the connecting pipe is provided with a circle of buckling grooves, and the outer annular wall of the limiting sleeve is provided with a circle of convex ribs which are matched and clamped with the buckling grooves.
Preferably, the inner wall of the connecting pipe is provided with an internal thread, and the outer annular wall of the limiting sleeve is provided with an external thread connected with the internal thread.
Preferably, the elastic water stop film is made of rubber.
The utility model discloses owing to adopted above technical scheme, have following technological effect: the integral structure is simple, and the plastic injection molding machine can be used for integral injection molding, so that the production cost is effectively reduced; the extension pipe is sleeved in the water inlet channel, so that pressure water is jacked up from the periphery of the extension pipe instead of jacking up from the central position when the pressure sleeve is acted, and the pressure sleeve can be jacked up only by needing higher water pressure, so that the interception effect on low-pressure water is increased, and the anti-dripping and water-seepage effects are improved; when the water valve is closed (no water pressure), 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 nozzle does not discharge water and does not drip or seep water; when being in low water pressure state, high pressure nozzle is in and is interrupted the spraying state, but does not drip, infiltration, is applicable to automatic irrigation, even water pressure not enough can not lead to lasting drip, infiltration or irrigate inhomogeneous phenomenon yet.
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 axonometric view of the utility model after cooperating with the high-pressure nozzle.
The names of the parts indicated by the numerical references in the above figures are as follows: 1. a main body; 2. a water inlet channel; 3. a water outlet channel; 4. a connecting pipe; 5. a limiting sleeve; 6. a spring; 7. pressing the sleeve; 8. a rib; 9. buckling grooves; 10. a connector; 11. an extension pipe; 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
The utility model provides a drip proof mechanism of high pressure nozzle, refer to fig. 1-4 and show, including main part 1, 1 both ends of main part are sunken respectively to have inhalant canal 2 and exhalant canal 3 of intercommunication each other, exhalant canal 3 is provided with internal thread hole and high pressure nozzle threaded connection, inhalant canal 2 connects the water pipe through connector 10, connector 10 is provided with the linking section that is the aperture and reduces gradually to the one end of keeping away from inhalant canal 2 from the one end that is close to inhalant canal 2, external screw thread connection section and extension section, external screw thread connection section and water pipe threaded connection, it is fixed with inhalant canal 2 interference grafting cooperation to link up the section.
2 bores of inhalant canal are greater than exhalant canal 3, inhalant canal 2's outer wall is provided with connecting pipe 4, exhalant canal 3 is close to inhalant canal 2's one end and extends to have a bore and the opening that bore is less than connecting pipe 4 just to the extension pipe 11 of connecting pipe 4, be provided with on the connecting pipe 4 and block or open extension pipe 11 open-ended drive division, the drive division includes opening down and with connecting pipe 4 inside fixed stop collar 5, the pressure cover 7 of the flexible setting in the stop collar 5 and be located the spring 6 between pressure cover 7 and the stop collar 5, during the ordinary pressure, the opening of extension pipe 11 is withstood to pressure cover 7. The cross-sectional shape of pressing sleeve 7 preferably is the ascending U-shaped setting of opening, and its beneficial effect is, pressing sleeve 7 and moving up and down along stop collar 5 under the effect of spring 6 and pressurized water, and its ascending hem can play the effect of direction and the displacement of stop spring 6.
Stop collar 5 and the mutual block of connecting pipe 4 are fixed, and the concrete structure refers to that shown in figure 2, is provided with round catching groove 9 at the inner wall of connecting pipe 4, and the outer rampart of stop collar 5 is equipped with the bead 8 of round and catching groove 9 cooperation joint, and it is convenient to install fixed stop collar 5.
The integral structure is simple, the injection molding machine can be used for integral injection molding, the extension pipe 11 is arranged in the water inlet channel 2 in a sleeved mode, so that pressure water is enabled to be jacked upwards from the periphery of the extension pipe 11 instead of from the center when acting on the pressure sleeve 7, and the pressure sleeve 7 can be jacked up only by needing larger water pressure relatively, so that the interception effect on low-pressure water is increased, and the anti-dripping and water seepage effects are improved; when the water valve is closed (no water pressure), the pressing sleeve 7 is always pressed 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 nozzle does not discharge water; when the water pressure is in a low water pressure state, the low-pressure water can not jack the pressure sleeve 7 at the beginning, so the high-pressure nozzle can not discharge water; when low pressure water continuously gets into inlet channel 2, the pressure of water constantly increases until jack-up pressure cover 7 in the inlet channel 2, at this moment, this part water under high pressure enters into extension pipe 11 and is vaporific blowout from high pressure nozzle department by way outlet channel 3, when subsequent water pressure is not enough, the opening part of extension pipe 11 is pushed down again to spring 6 effect preforming, at this moment, high pressure nozzle does not go out water again, so, when water pressure is low, high pressure nozzle is in and is interrupted the spraying state, nevertheless the dripping does not appear, the condition of infiltration, this is applicable to automatic irrigation, even water pressure is not enough can not lead to continuously dripping, seep water or irrigate inhomogeneous phenomenon yet.
Example 2
Compared with embodiment 1, the difference of this embodiment is that an elastic water stop film 12 is fixed on the inner wall of the connecting pipe 4 at the opening of the extending pipe 11, and the pressing sleeve 7 presses the elastic water stop film 12 to seal the opening of the extending pipe 11 under normal pressure, and the elastic water stop film 12 is made of rubber.
The elastic water stop film 12 can play a role in sealing and prevent water from entering the driving part.
Example 3
Compared with the embodiment 1, the difference of the 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 in a threaded manner, so that the stop collar 5 can be conveniently mounted and dismounted.
Claims (7)
1. The utility model provides a drip proof mechanism of high pressure nozzle, includes main part (1), and main part (1) both ends are sunken respectively have inhalant canal (2) and exhalant canal (3) of intercommunication each other, and high pressure nozzle is connected in exhalant canal (3), and inhalant canal (2) connect water pipe, its characterized in that: the bore of inhalant canal (2) is greater than the bore of inhalant canal (3), the outer wall of inhalant canal (2) is provided with connecting pipe (4), inhalant canal (3) are close to the one end extension of inhalant canal (2) and have a bore diameter less than bore and opening just to extension pipe (11) of connecting pipe (4), be provided with on connecting pipe (4) and block or open extension pipe (11) open-ended drive division, the drive division includes opening down and with connecting pipe (4) inside fixed stop collar (5), the pressure cover (7) of the interior shrink setting of stop collar (5) and be located and press cover (7) and spring (6) between stop collar (5), during the ordinary pressure, press cover (7) to support the opening of pressing extension pipe (11).
2. The anti-dripping mechanism of a high pressure nozzle as claimed in claim 1, wherein: an elastic water stop 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) presses the elastic water stop film (12) to seal the opening of the extension pipe (11) under normal pressure.
3. The anti-dripping mechanism of a high pressure nozzle as claimed in claim 1, wherein: the cross section of the pressing sleeve (7) is in a U-shaped arrangement with an upward opening.
4. The anti-dripping mechanism of a high pressure nozzle as claimed in claim 1, wherein: inhalant canal (2) department is fixed with a connector (10), and connector (10) are provided with linking section, external thread connection section and the extension section that is the aperture and reduces gradually from the one end that is close to inhalant canal (2) to the one end of keeping away from inhalant canal (2), and external thread connection section and water piping connection link up section and inhalant canal (2) interference plug-in fit.
5. The anti-dripping mechanism of a high pressure nozzle as claimed in claim 1, wherein: the inner wall of the connecting pipe (4) is provided with a circle of catching groove (9), and the outer annular wall of the limiting sleeve (5) is provided with a circle of convex edge (8) which is matched and clamped with the catching groove (9).
6. The anti-dripping mechanism of a high pressure nozzle as claimed in claim 1, wherein: the inner wall of the connecting pipe (4) is provided with an internal thread, and the outer ring wall of the limiting sleeve (5) is provided with an external thread connected with the internal thread.
7. The anti-dripping mechanism of a high pressure nozzle as claimed in claim 2, wherein: the elastic water stop film (12) is made of rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921543241.5U CN210787843U (en) | 2019-09-17 | 2019-09-17 | Drip-proof mechanism of high-pressure spray head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921543241.5U CN210787843U (en) | 2019-09-17 | 2019-09-17 | Drip-proof mechanism of high-pressure spray head |
Publications (1)
Publication Number | Publication Date |
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CN210787843U true CN210787843U (en) | 2020-06-19 |
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CN201921543241.5U Withdrawn - After Issue CN210787843U (en) | 2019-09-17 | 2019-09-17 | Drip-proof mechanism of high-pressure spray head |
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CN (1) | CN210787843U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110496723A (en) * | 2019-09-17 | 2019-11-26 | 浙江乐创塑胶科技有限公司 | A kind of high-pressure nozzle Anti-drip mechanism |
-
2019
- 2019-09-17 CN CN201921543241.5U patent/CN210787843U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110496723A (en) * | 2019-09-17 | 2019-11-26 | 浙江乐创塑胶科技有限公司 | A kind of high-pressure nozzle Anti-drip mechanism |
CN110496723B (en) * | 2019-09-17 | 2024-07-02 | 浙江乐创塑胶科技有限公司 | Anti-drip mechanism for high-pressure spray head |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240702 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240702 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |