CN201921762U - Rail-type amount-variable spray nozzle - Google Patents
Rail-type amount-variable spray nozzle Download PDFInfo
- Publication number
- CN201921762U CN201921762U CN2010202872755U CN201020287275U CN201921762U CN 201921762 U CN201921762 U CN 201921762U CN 2010202872755 U CN2010202872755 U CN 2010202872755U CN 201020287275 U CN201020287275 U CN 201020287275U CN 201921762 U CN201921762 U CN 201921762U
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- nozzle
- guide rod
- runner
- special
- guide rail
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Abstract
The utility model discloses a rail-type amount-variable spray nozzle, and relates to the technical fields of key dust removal equipment and agricultural spray irrigation equipment. The spray nozzle comprises a rotary sealing mechanism, flow channels, a nozzle component and a guide component, wherein the core members are the nozzle component and the guide component. The nozzle obtains driving force through the reactive thrust of jet flow, and drives a guide rod 14, a runner cover 18, a runner 16 and the like. The prestress of a spring makes the runner rotate on a rail all the time, and the height change of the rail can drive the guide rod 14 to reciprocate on a vertical plane, so as to change the relative positions of an irregular nozzle 8 and the guide rod 14, so as to change the relative positions of a flow channel C1 on the irregular nozzle 8 and a flow channel C2 on the guide rod. Therefore, the area of a jet outlet is ultimately changed, resulting in the change of the jet range. The utility model has the advantages of simple structure, stable and reliable operation, even spraying and simple adjustment.
Description
Technical field
The utility model relates to dedusting key equipment and agricultural sprinkling irrigation equipment technical field, refers in particular to guide rail type variable spraying nozzle.
Background technology
In the agricultural water irrigation process, water-use efficiency is not high, and water resource waste is serious, makes agricultural water resources lack further aggravation, and China water efficiency of irrigation is between 40%-50%, and the irrigation water utilization rate of developed country has reached 70%-80%.Greatly develop water-saving irrigation and be the basic outlet that solves China's agricultural water shortage, and sprinkler irrigation technique is one of water-saving technology efficiently at present.Shower nozzle is the key equipment that influences the spray irrigation system irrigation quality, and the quality of its performance directly has influence on the quality that sprinkling irrigation is sprayed.
Traditional circle is sprayed the territory shower nozzle and is unfavorable for the combination sprinkling irrigation, obtain higher rainfall distribution uniformity, must reduce the combination spacing of shower nozzle and increase the spray area Duplication, but need shower nozzle and pipe arrangement density height like this, cause application rate of sprinkler irrigation and construction investment to increase.In order to satisfy some special occasions needs, fixedly applying fertilizer on the plot, spraying medicine etc., need spray specific shape in the dustproof and agricultural in for example little space according to the characteristic of features of terrain and crop, use the circular above-mentioned situation of the very difficult solution of territory shower nozzle of spraying.At this problem, also have a large amount of researchers to study variable spray nozzle, but often there are structure problems such as complexity, fluctuation of service, sprinkling uniformity be relatively poor in existing variable spray nozzle, always can't Industry Promotion.
By retrieval, the relevant at present patent of declaring has: range and flow be the controlled accurate Irrigation shower head of bivariate synchronously, application number 200610104497; Variable-spray whole-torrential flow showerhead, application number 200810019601; Pressure type stepless variable ejecting device, application number 03264882; Pressure type has a grade variable sprayer device, application number 03265118; In these patents, mainly regulate capacity of sprinkler, thereby change sprinkler pattern range by regulating shower nozzle import cross section.But under the constant prerequisite in outlet, change the shower nozzle inlet flow rate after, must cause the sprinkling uniformity of shower nozzle to reduce, and during low discharge, jet velocity is too little, often can't drive the shower nozzle rotation.
The rail mounted variable spray nozzle is compared with traditional variable sprayer, has advantages such as structure is simpler, performance is stable more, sprinkling is more even.
Summary of the invention
The utility model purpose provide a kind of simple in structure, stable, spray uniform variable spray nozzle.
The technical scheme that its technical problem that solves the utility model adopts is: guide rail type variable spraying nozzle is made up of rotatory sealing mechanism, runner, nozzle component, guidance set four parts.The utility model key component is nozzle component and guidance set.Nozzle component is connected successively and is formed by special-shaped nozzle, guide rod, block, O RunddichtringO, alignment pin.Special-shaped nozzle is that the cylinder-like structure at sidewall is opened in shower nozzle outlet, and block is pressed into the heterotypic spray nozzle upper end, be interference fit between itself and the heterotypic spray nozzle, and main effect is to seal and prevent that foreign material from entering in the heterotypic spray nozzle.Alignment pin screws in heterotypic spray nozzle in guide rod, and its effect is to guarantee that guide rod only can vertically move in heterotypic spray nozzle, and does not have rotatablely moving in the horizontal plane, prevents the runner C on the special-shaped nozzle
1With guide rod upper runner C
2Dislocation.The O RunddichtringO is contained in the heterotypic spray nozzle, and the lower end near heterotypic spray nozzle mainly seals.Guide rod need be joined with the inner flow passage cunning of heterotypic spray nozzle, when guide rod during in movement in vertical direction, can change the runner C on the special-shaped nozzle
1With guide rod upper runner C
2Relative position, thereby change the jet exit area, and change and spray range.Guidance set is connected successively and is formed by positioning disk, guide rail, guide rod, stop nut, spring, locking nut, runner, holding pin, runner lid.Spring housing on guide rod, end in contact under top and the heterotypic spray nozzle, the bottom contacts with stop nut, mainly is the pretightning force when regulating the shower nozzle rotation, control shower nozzle rotating speed.Stop nut is spun on the guide rod, by regulating the position of stop nut, and pretightning force that can regulating spring.Rotaring wheeling sleeve is spun on the guide rod bottom by screw thread, and uses locking nut locking, prevents that rotaring wheeling sleeve from rotating in rotary course.Runner is contained in the rotaring wheeling sleeve by holding pin, and being pressed on the guide rail in advance by spring.Guide rail is contained on the positioning disk, and the each point vertical height has corresponding variation according to the shape of spraying the territory on the guide rail, and runner just drives guide rod in rotation on the guide rail and moves in vertical plane, thereby changes exit area of nozzle.
Concrete structure of the present utility model is, special-shaped nozzle and guide rod are coaxial, described special-shaped nozzle is that the cylinder-like structure at sidewall is opened in the shower nozzle outlet, block is pressed into the top of special-shaped nozzle cylinder, be slidingly matched between guide rod and the special-shaped nozzle cylinder, alignment pin is contained in the sidewall of special-shaped nozzle by screw thread, and gos deep into guide rod, and be interference fit between the special-shaped nozzle, the O RunddichtringO is located at an end sealing profile nozzle and a guide rod of guide rod.
Guidance set comprises positioning disk, guide rail, spring, stop nut, guide rod, locking nut, runner, holding pin, the runner lid, described stop nut, locking nut is contained on the guide rod by screw thread, spring housing is on guide rod, between stop nut and locking nut, runner covers bottom guide rod by being threaded, and use locking nut to lock, runner is contained in the runner lid by holding pin, and utilize spring to be pressed on the guide rail, described guide rail makes and is fixed by bolts on the positioning disk, the height difference of the each point of guide rail in vertical plane, positioning disk make and are fixed by bolts on the Connection Block of turning.
Operation principle of the present utility model is: guide rail type variable spraying nozzle provides the fortune driving force by the reaction force of current.By the pretightning force that stop nut comes regulating spring, control shower nozzle velocity of rotation.Runner is contained in the runner lid, and the runner lid is spun on the guide rod, when shower nozzle rotates, just drives runner and rotates.Because the effect of initial tension of spring, runner is pressed on the guide rail all the time.Guide rail is according to the requirement of spray pattern, design the physical dimension of corresponding vertical direction, when runner rotates on guide rail, just can drive guide rod in movement in vertical direction, make heterotypic spray nozzle and the guide rod relative position in vertical plane change, thereby the change exit area of nozzle, and change the range that sprays, finally be implemented in the variable spray that sprays in the zone.
Advantage of the present utility model is: product structure is simple, and is reliable, as long as change the sprinkling that multi-form guide rail just can be realized arbitrary shape, and sprays evenly.
Description of drawings
Fig. 1 is a rail mounted variable spray nozzle schematic diagram.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the nozzle component structural representation.
Fig. 4 is the guidance set structural representation.
Among the figure, 1. positioning disk, 2. guide rail, the Connection Block of 3. turning, 4. hollow shaft, 5. sprinkler body, 6. jet pipe, 7. elbow, 8. heterotypic spray nozzle, 9. block, 10. alignment pin, 11.O RunddichtringO, 12. springs, 13. stop nut, 14. guide rods, 15. locking nuts, 16. runners, 17. holding pins, 18. runners lid.
The specific embodiment
Guide rail type variable spraying nozzle is made up of rotatory sealing mechanism, runner, nozzle component, guidance set four parts guide rail type variable spraying nozzle.The utility model key component is nozzle component and guidance set.Shower nozzle relies on the recoil strength of jet to obtain driving force, and drives rotations such as guide rod 14, runner lid 18, runner 16.The pretightning force of spring makes runner rotate on guide rail all the time, the vertical direction size of guide rail designs according to spray pattern, the variation of its height can drive guide rod 14 and move back and forth in vertical plane, makes the guide rod 14 and the relative position of heterotypic spray nozzle 8 change, thereby changes the runner C on the special-shaped nozzle 8
1With guide rod upper runner C
2Relative position, finally change the jet exit area, cause the variation of range.
The course of work is: shower nozzle relies on the recoil strength of current to drive its rotation.When shower nozzle rotates, because the pretension effect of spring 12 makes runner move on guide rail 2 all the time.Because the height of guide rail 2 vertical direction changes according to the requirement of spray pattern, when runner 2 rotates, just drive guide rod 13, and change the relative position of guide rod 13 and heterotypic spray nozzle 8, thereby change the runner C on the special-shaped nozzle 11 at vertical in-plane moving
1With guide rod 13 upper runner C
2Relative position, finally change the jet exit area, and realize variable spray.
Claims (1)
1. guide rail type variable spraying nozzle is characterized in that: comprise rotatory sealing mechanism, runner, nozzle component, guidance set;
Described nozzle component comprises special-shaped nozzle (8), block (9), alignment pin (10), O RunddichtringO (11) and guide rod (14), described special-shaped nozzle (8) and guide rod (14) are coaxial, described special-shaped nozzle (8) exports the cylinder-like structure of opening at sidewall for shower nozzle, block (9) is pressed into the top of special-shaped nozzle (8) cylinder, be slidingly matched between described guide rod (14) and special-shaped nozzle (8) cylinder, alignment pin (10) is contained in the sidewall of special-shaped nozzle (8) by screw thread, and go deep into guide rod (14), and be interference fit between the special-shaped nozzle, described O RunddichtringO (11) is located at an end sealing profile nozzle (8) and guide rod (14) of guide rod (14);
Described guidance set comprises positioning disk (1), guide rail (2), spring (12), stop nut (13), guide rod (14), locking nut (15), runner (16), holding pin (17), runner lid (18), described stop nut (13), locking nut (15) is contained on the guide rod (14) by screw thread, spring (12) is enclosed within on the guide rod, be positioned between stop nut (13) and the locking nut (15), runner lid (18) bottom guide rod (2) by being threaded, and use locking nut (15) to lock, runner (16) is contained in the runner lid (18) by holding pin (17), and utilize spring (12) to be pressed on the guide rail (2), described guide rail (2) makes and is fixed by bolts on the positioning disk (1), the height difference of the each point of guide rail (2) in vertical plane, positioning disk make and are fixed by bolts on the Connection Block of turning (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202872755U CN201921762U (en) | 2010-08-10 | 2010-08-10 | Rail-type amount-variable spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202872755U CN201921762U (en) | 2010-08-10 | 2010-08-10 | Rail-type amount-variable spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201921762U true CN201921762U (en) | 2011-08-10 |
Family
ID=44425634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202872755U Expired - Fee Related CN201921762U (en) | 2010-08-10 | 2010-08-10 | Rail-type amount-variable spray nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201921762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912829A (en) * | 2010-08-10 | 2010-12-15 | 江苏大学 | Guide rail type variable spraying nozzle |
| CN110574538A (en) * | 2019-10-14 | 2019-12-17 | 张福明 | Agricultural irrigation device |
-
2010
- 2010-08-10 CN CN2010202872755U patent/CN201921762U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912829A (en) * | 2010-08-10 | 2010-12-15 | 江苏大学 | Guide rail type variable spraying nozzle |
| CN101912829B (en) * | 2010-08-10 | 2012-11-07 | 江苏大学 | Guide rail type variable spraying nozzle |
| CN110574538A (en) * | 2019-10-14 | 2019-12-17 | 张福明 | Agricultural irrigation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20130810 |