CN2719409Y - Underground variable-range fully-automatic water-saving sprinkling irrigation gun - Google Patents
Underground variable-range fully-automatic water-saving sprinkling irrigation gun Download PDFInfo
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- CN2719409Y CN2719409Y CN 200420010847 CN200420010847U CN2719409Y CN 2719409 Y CN2719409 Y CN 2719409Y CN 200420010847 CN200420010847 CN 200420010847 CN 200420010847 U CN200420010847 U CN 200420010847U CN 2719409 Y CN2719409 Y CN 2719409Y
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- shower nozzle
- nozzle
- sprinkling irrigation
- water
- sleeve
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Abstract
The utility model relates to a sprinkling irrigation sprinkling head, in particular to an underground variable-range fully-automatic water-saving sprinkling irrigation spraying head, comprising a nozzle, an outer shell body, a rotating blade wheel, an expansion sleeve cylinder, a speed reducing device, a rotating sleeve cylinder and a water pipe connector. The expansion sleeve cylinder is sheathed in the outer shell of column shape and an elasticity mechanism is fixed by sheathing between the expansion sleeve cylinder and the outer shell of column shape. The speed reducing device is sheathed inn the inner cavity of the expansion sleeve cylinder. The inputting axle on the lower end of the speed reducing device is fixed with the rotating blade wheel and the outputting axle on the upper end passes through the upper end wall of the expansion sleeve cylinder. The outputting axle is fixed with the rotating sleeve cylinder whose body wall is provided with the nozzle and the upper end portion of the expansion sleeve cylinder is provided with a water flow adjusting device. The upper end of the rotating sleeve cylinder is provided with an end cover and the lower end of the outer shell body is provided with a water pipe connector. The utility model adopts different adjusting plates to sprinkle different shapes to satisfy the requirements of various landforms. Meanwhile the utility model adopts the expansion structure with simple structure, good water saving effect, beautiful use and uneasy damage.
Description
One. technical field: the utility model relates to a kind of sprinkling irrigation shower nozzle, particularly relates to a kind of buried change range fully automatic water-saving sprinkling irrigation shower nozzle.
Two. background technology: well-known, China belongs to poor-water country, using water wisely is more and more paid attention to by people, therefore now farmland, orchard, forest land and lawn adopt the sprinkling irrigation form to replace original flood irrigation form mostly, but sprinkling irrigation shower nozzle spray area commonly used now is circular, cause easily the corner spray less than problem, if all spray, just need set up a plurality of shower nozzles, causing quite a few zone so again is to repeat to spray, can not fully effectively utilize the water source, cause the waste at new round water source.In addition for attractive in appearance and be difficult for destroyed, many local buried flexible shower nozzles that adopt, during use, shower nozzle elevates above the soil, and has sprayed withdrawal ground, back, China does not have the producer of the buried shower nozzle in grown place at present, market is monopolized by external product, and domestic use all needs import, needs a large amount of foreign exchanges of cost, but its same existence can not change the defective of spray pattern, also causes water waste.At this situation, the Chinese patent publication number is the CN2346510Y (applying date: 1998.7.22) disclose a kind of " sprinkling irrigation shower nozzle ", it mainly is made up of nozzle housing body and deflector, around nozzle housing body upper end, be processed with the shaped form baffle plate, the channelization angle of deflector is 40～45 °, adopt the outlet of shaped form shower nozzle, make the water squarely of ejection.The Chinese patent publication number is the CN2031200Y (applying date: 1988.3.7) disclose a kind of " spray the overlay area and be foursquare sprinkler " in addition, it mainly is made of nozzle, shower nozzle and hydrostate, hydrostate is the pipe of one one end sealing, the water supply band is arranged on the tube wall of pipe one, its width changes according to the requirement of the water yield, and spraying the zone that covers is square.More than two kinds of schemes can both change spray pattern, spray area is not overlapped, but all only limits to spray the zone for square, more single, and the manufacturing difficulty of processing is big, more complicated.
Three. the content of utility model:
The purpose of this utility model: overcome the defective of prior art, provide a kind of result simple, can change the buried change range fully automatic water-saving sprinkling irrigation shower nozzle that sprays the region area shape and can stretch.
The technical solution of the utility model: a kind of buried change range fully automatic water-saving sprinkling irrigation shower nozzle, contain nozzle, shell body, wheel rotor, extension sleeve, deceleration device, rotational sleeve and water pipe head, extension sleeve is sleeved in the cylindrical shell body, suit is fixed with elastic mechanism between the two, deceleration device is sleeved in the extension sleeve inner chamber, be fixed with wheel rotor on its lower end power shaft, its upper end output shaft runs through the extension sleeve upper end wall, on output shaft, be fixed with rotational sleeve, on the rotational sleeve body wall nozzle is installed, in the extension sleeve upper end flow promoter regulator is installed, the rotational sleeve upper end is provided with end cap, and the shell body lower end is provided with water pipe head.
Described nozzle is the cylinder that front end closes up, suit is fixed on the body wall of rotational sleeve, flow promoter regulator contains adjusting rod, adjustment disk, location-plate and back-moving spring, wherein the lower wall of nozzle is run through in the adjusting rod upper end, and its upper end is complementary with the inside pipe wall shape of the nozzle that contacts, the location-plate that is fixed on the rotational sleeve outer wall is run through in the adjusting rod bottom, the upper surface slide of its lower end and adjustment disk contacts, be provided with limited step at the adjusting rod middle part, on the adjusting rod between limited step and the nozzle, be set with back-moving spring, this adjustment disk is circular, and is fixed on the extension sleeve upper end, and its upper surface is the convex-concave shape of certain rule.
Described adjusting rod lower end is equipped with roller, is provided with the cover plate that is fixed on the rotational sleeve in the outside of adjusting rod and back-moving spring.
Described nozzle is oval body, suit is fixed on the body wall of rotational sleeve, or nozzle is the up big and down small slotted eye that is opened on the rotational sleeve body wall, flow promoter regulator contains two adjustment disks, these two adjustment disks are respectively cylindrical basin body, one of them adjustment disk opening suit that makes progress is fixed on the upper end of extension sleeve, another cylindrical end face is provided with the convex-concave shape of certain rule, and Open Side Down is sleeved on the output shaft of deceleration device, the two interfixes by the rib that is respectively equipped with in its basin body, the internal circular surfaces sliding-contact of the outer round surface of two adjustment disks and rotational sleeve, the position of its convex-concave shape is corresponding with the position of nozzle.
Described elastic mechanism contains compression spring and fixing jump ring, wherein compressing spring housing is contained between shell body and the extension sleeve, its lower end is positioned on the outside annular lip upper surface that the extension sleeve lower end is provided with, its upper end contacts with fixedly jump ring lower surface on being stuck in the shell body inwall, or contacts with sealing rubber ring that fixing jump ring lower surface is provided with.
Convex-concave shape on the convex-concave shape of above-mentioned adjustment disk upper surface and the cylindrical end face of above-mentioned adjustment disk is radially four alternate protruding four spills of convex-concave, and shower nozzle sprays is shaped as irregular quadrilateral; Or be positive four protruding four spills, shower nozzle sprays is shaped as square; Or be positive three protruding three spills, shower nozzle sprays is shaped as equilateral triangle; Or be two protruding two spills, shower nozzle sprays is shaped as ellipse; Or be a protruding spill, shower nozzle sprays is shaped as a pointed circle.
Bottom at described wheel rotor is equipped with water dish, and this water dish is a door type, and its end is provided with oblique hole for water spraying, this hole for water spraying is consistent with the rotation direction of wheel rotor, be provided with the drainage cavity in the lower end of water dish, this drainage cavity body wall is provided with filtering holes, or is fixed with screen pack.
Between described shell body and extension sleeve, be provided with one or more cylindrical tubes and elastic mechanism, carry out secondary or multi-stage expansion, flow straightener is installed in nozzle, nozzle is one or two, the horizontal sextant angle of two nozzles is 135 °～180 °, and the contact position between extension sleeve and the rotational sleeve is provided with seal washer.
The beneficial effects of the utility model:
1. the zone that sprays of the utility model can be multiple shape.Raising along with life and aesthetic standards, present lawn, park and property garden, city, the garden, the greenery patches all has ornamental and garden style, most of squarely, circular, rectangle, oval, triangle or their combination, the range of shower nozzle is controlled by hydraulic pressure and jet size, common shower nozzle is in pressure and bore one timing, can only spray circle, the sprinkling irrigation requirement of this distortion shape of incompatibility, the utility model adopts different adjustment disks, just can spray different region shapes, can satisfy the requirement of various landform, avoided the sprinkling that repeats of many shower nozzles, the invalid sprinkling of also avoiding water is sprayed onto on the road and forming, the embarrassment that the visitor is hidden one after another.
2. the utility model is simple in structure, handling ease.Adjustment disk is the parts that injection mo(u)lding has certain rule convex-concave shape, the adjusting rod front end runs through the shower nozzle tube wall, adjust footpath, the mouth of a river, perhaps two adjustment disks with certain convex-concave rule are installed relatively, adjust footpath, the mouth of a river by the gap length between the convex-concave, change the distance of range, make the water yield maximization, homogenising is increased work efficiency.These component shape are simple, handling ease, thus make cost lower.
3. the utility model sprays more even.Flow straightener is installed in employing in nozzle, make current more even, reaches better sprinkling irrigation effect.
4. the utility model ground surface that can stretch is attractive in appearance and be difficult for being damaged.Under the pressure of water, spring is compressed during use, and nozzle elevates above the soil and sprays, and after the sprinkling, closes water pipe, and spring pushes back below ground with nozzle again, can't see shower nozzle so at ordinary times, better appearance, and can artificially do not damaged easily.
5. the utility model water-saving result is good, applied range.The utility model changes the covering shape of spraying the zone, both can guarantee to spray and put in place, the sprinkling zone is not overlapped, save a large amount of water consumptions, if large tracts of land is sprayed, compare with traditional sprinkler heads and can reduce 2/5ths the shower nozzle consumption and the consumption of foggara, be widely used in various sprinkling irrigation occasions, have good social and economic benefit after the popularization.
Four. description of drawings:
Fig. 1 is one of structural representation of buried change range fully automatic water-saving sprinkling irrigation shower nozzle
Fig. 2 is the structural representation of water dish shown in Figure 1
Fig. 3 is that the A-A of water dish shown in Figure 2 is to cutaway view
Fig. 4 is the structural representation of adjustment disk shown in Figure 1
Fig. 5 is the vertical view of adjustment disk shown in Figure 4
Fig. 6 be buried change range fully automatic water-saving sprinkling irrigation shower nozzle structural representation two
Fig. 7 is the structural representation of adjusted dish shown in Figure 6
Fig. 8 is the vertical view of adjusted dish shown in Figure 7
Fig. 9 be buried change range fully automatic water-saving sprinkling irrigation shower nozzle structural representation three
Five. the specific embodiment:
Embodiment one: referring to Fig. 1～Fig. 5, the extension sleeve 11 of buried change range fully automatic water-saving sprinkling irrigation shower nozzle is sleeved in the cylindrical shell body 16 among the figure, compression spring 3 is sleeved between the body wall of shell body 16 and extension sleeve 11, its lower end is positioned at the outside annular lip upper surface of extension sleeve 11 lower ends, its the upper end be stuck in shell body 16 inwalls on fixedly jump ring 2 lower surfaces contact, fixedly jump ring 2 lower surfaces are provided with sealing rubber ring (not drawing among the figure), prevent that current from spraying outward.
The lower wall of nozzle 6 is run through in adjusting rod 7 upper ends, and its upper end is complementary with the tube wall shape of the nozzle 6 that contacts, the location-plate 18 that is fixed on rotational sleeve 11 outer walls is run through in adjusting rod 7 bottoms, its lower end contacts with the upper surface slide of adjustment disk 10, be provided with limited step 19 at adjusting rod 7 middle parts, be set with back-moving spring 8 on the adjusting rod 7 between limited step 19 and the nozzle 6, this adjustment disk 10 is fixed on extension sleeve 11 upper ends, and its upper surface is the convex-concave shape of certain rule.Adjusting rod 7 lower ends are equipped with roller, are beneficial to slide, and are provided with the cover plate (not drawing among the figure) that is fixed on the rotational sleeve 11 in the outside of adjusting rod 7 and back-moving spring 8, and it is together flexible with extension sleeve 11 to help rotational sleeve 4 like this.
In the bottom of wheel rotor 13 water dish 14 is installed, this water dish 14 is a door type, its end is provided with oblique hole for water spraying 20, this hole for water spraying 20 is consistent with the rotation direction of wheel rotor 13, be provided with drainage cavity 15 in the lower end of water dish 14, these drainage cavity 15 body walls are provided with filtering holes, or are fixed with screen pack, through filtering, nozzle 6 is difficult for stopping up.In nozzle 6, flow straightener is installed, make water flow jet stable and uniform more, nozzle 6 is two, and its horizontal sextant angle is 135 °～180 °, contact position between extension sleeve 11 and the rotational sleeve 4 is provided with seal washer 9, guarantees that like this current can not enter rotational sleeve 4 place in addition.
During use, shell body 16 lower ends are connected with running water pipe, open by-pass valve control, running water enters in shell body 16 inner chambers, because the effect of hydraulic pressure, compression spring 3 is compressed, and extension sleeve 11 is being with rotational sleeve 4 together to stretch out, and running water rushes in the vane hole of wheel rotor 13 by the oblique hole for water spraying 20 on the water dish 14, thereby drive wheel rotor 13 rotations, through the effect of deceleration device 12, rotational sleeve 4 rotates thereupon, and correspondingly nozzle 6 also begins to rotate.Running water enters into nozzle 6 by the waterway between limbers, extension sleeve 11 and the deceleration device 12 in the middle of the wheel rotor 13 and the limbers of rotational sleeve 4 lower surfaces in addition.Because adjustment disk 10 upper surfaces have the convex-concave shape of certain rule, when adjusting rod 7 slides into salient point, the area maximum of its upper end plug nozzle 6 inner chambers, this moment, the flow of water was little, and range is near; Otherwise, when adjusting rod 7 slides into concave point, the area minimum of its upper end plug nozzle 6 inner chambers, this moment, the flow of water was big, and far firing range can change the range of current like this, thereby form different spray pattern, the convex-concave that experiment showed, adjustment disk 10 upper surfaces is shaped as radially four alternate protruding four spills of convex-concave, and its spray pattern is an irregular quadrilateral, adopt positive four protruding four spills, spray pattern is a square, adopts positive three protruding three spills, and its spray pattern is an equilateral triangle, adopt two protruding two spills, its spray pattern is oval, adopts a protruding spill, and its spray pattern is that one of a circle is pointed.Adopt different adjustment disk 10 as required, to satisfy the needs of different terrain.
Embodiment two: referring to Fig. 6, Fig. 7 and Fig. 8, the representative meaning that numbering is identical with embodiment one among the figure is identical, something in common does not repeat, difference is: nozzle 6 is oval body, suit is fixed on the body wall of rotational sleeve 4, or nozzle 6 is for being opened in the up big and down small slotted eye on rotational sleeve 4 body walls, flow promoter regulator contains two adjustment disks 10, these two adjustment disks 10 are respectively cylindrical basin body, one of them adjustment disk 10 opening upwards is sleeved on the upper end of extension sleeve 11, fixing by nut 5, another cylindrical end face is provided with the convex-concave shape of certain rule, and Open Side Down is sleeved on the output shaft of deceleration device 12, the two cooperatively interacts fixing by the interval rib that is respectively equipped with in its basin body, the internal circular surfaces sliding-contact of the outer round surface of two adjustment disks 10 and rotational sleeve 4, the position of its convex-concave shape is corresponding with the position of nozzle 6.
During use, nozzle 6 rotates, and the convex-concave shape of adjusted dish 10 is passed through plug nozzle 6 to some extent, realize the size of regulating pondage, thereby change its range, same, by changing the convex-concave shape of adjusted dish 10, just can satisfy the sprinkling needs of different terrain.
Embodiment three: referring to Fig. 9, the representative meaning that numbering is identical with embodiment one among the figure is identical, something in common does not repeat, difference is: cylindrical sleeve 22 of suit between compression spring 3 and shell body 16, the lower end of this cylindrical sleeve 22 is provided with outside annular lip, between this lug upper surface and cylindrical sleeves 22 and shell body 16, be set with the compression spring, in the upper surface of shell body 16 end cap 21 is installed, end cap 21 lower surfaces are provided with caulking gum packing ring (not drawing among the figure), prevent that current from spraying outward, during use, hydraulic pressure protrudes upward cylindrical sleeves 22, realizes that secondary is flexible, thereby improve the height that sprays, equally, can realize multi-stage expansion, so that satisfy the requirement of height better.
Claims (10)
1. buried change range fully automatic water-saving sprinkling irrigation shower nozzle, contain nozzle, shell body, wheel rotor, extension sleeve, deceleration device, rotational sleeve and water pipe head, it is characterized in that: extension sleeve is sleeved in the cylindrical shell body, suit is fixed with elastic mechanism between the two, deceleration device is sleeved in the extension sleeve inner chamber, be fixed with wheel rotor on its lower end power shaft, its upper end output shaft runs through the extension sleeve upper end wall, on output shaft, be fixed with rotational sleeve, on the rotational sleeve body wall nozzle is installed, in the extension sleeve upper end flow promoter regulator is installed, the rotational sleeve upper end is provided with end cap, and the shell body lower end is provided with water pipe head.
2. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 1, it is characterized in that: nozzle is the cylinder that front end closes up, suit is fixed on the body wall of rotational sleeve, flow promoter regulator contains adjusting rod, adjustment disk, location-plate and back-moving spring, wherein the lower wall of nozzle is run through in the adjusting rod upper end, and its upper end is complementary with the inside pipe wall shape of the nozzle that contacts, the location-plate that is fixed on the rotational sleeve outer wall is run through in the adjusting rod bottom, the upper surface slide of its lower end and adjustment disk contacts, be provided with limited step at the adjusting rod middle part, on the adjusting rod between limited step and the nozzle, be set with back-moving spring, this adjustment disk is fixed on the extension sleeve upper end, and its upper surface is the convex-concave shape of certain rule.
3. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 2, it is characterized in that: adjustment disk is for circular, and the convex-concave of its upper surface is shaped as radially four alternate protruding four spills of convex-concave, and shower nozzle sprays is shaped as irregular quadrilateral; Or be positive four protruding four spills, shower nozzle sprays is shaped as square; Or be positive three protruding three spills, shower nozzle sprays is shaped as equilateral triangle; Or be two protruding two spills, shower nozzle sprays is shaped as ellipse; Or be a protruding spill, shower nozzle sprays is shaped as a pointed circle.
4. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 2, it is characterized in that: the adjusting rod lower end is equipped with roller, is provided with the cover plate that is fixed on the rotational sleeve in the outside of adjusting rod and back-moving spring.
5. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 1, it is characterized in that: nozzle is oval body, suit is fixed on the body wall of rotational sleeve, or nozzle is the up big and down small slotted eye that is opened on the rotational sleeve body wall, flow promoter regulator contains two adjustment disks, these two adjustment disks are respectively cylindrical basin body, one of them adjustment disk opening suit that makes progress is fixed on the upper end of extension sleeve, another cylindrical end face is provided with the convex-concave shape of certain rule, and Open Side Down is sleeved on the output shaft of deceleration device, the two interfixes by the rib that is respectively equipped with in its basin body, the internal circular surfaces sliding-contact of the outer round surface of two adjustment disks and rotational sleeve, the position of its convex-concave shape is corresponding with the position of nozzle.
6. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 5, it is characterized in that: the convex-concave of the cylindrical end face of adjustment disk is shaped as radially four alternate protruding four spills of convex-concave, and shower nozzle sprays is shaped as irregular quadrilateral; Or be positive four protruding four spills, shower nozzle sprays is shaped as square; Or be positive three protruding three spills, shower nozzle sprays is shaped as equilateral triangle; Or be two protruding two spills, shower nozzle sprays is shaped as ellipse; Or be a protruding spill, shower nozzle sprays is shaped as a pointed circle.
7. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 1, it is characterized in that: elastic mechanism contains compression spring and fixing jump ring, wherein compressing spring housing is contained between shell body and the extension sleeve, its lower end is positioned on the outside annular lip upper surface that the extension sleeve lower end is provided with, its upper end contacts with fixedly jump ring lower surface on being stuck in the shell body inwall, or contacts with sealing rubber ring that fixing jump ring lower surface is provided with.
8. according to the arbitrary described buried change range fully automatic water-saving sprinkling irrigation shower nozzle of claim 1～7, it is characterized in that: the bottom at wheel rotor is equipped with water dish, this water dish is a door type, its end is provided with oblique hole for water spraying, this hole for water spraying is consistent with the rotation direction of wheel rotor, be provided with the drainage cavity in the lower end of water dish, this drainage cavity body wall is provided with filtering holes, or is fixed with screen pack.
9. buried change range fully automatic water-saving sprinkling irrigation shower nozzle according to claim 8, it is characterized in that: between shell body and extension sleeve, be provided with one or more cylindrical tubes and elastic mechanism, carry out secondary or multi-stage expansion, flow straightener is installed in nozzle, nozzle is one or two, the horizontal sextant angle of two nozzles is 135 °～180 °, and the contact position between extension sleeve and the rotational sleeve is provided with seal washer.
10. according to the arbitrary described buried change range fully automatic water-saving sprinkling irrigation shower nozzle of claim 1～7, it is characterized in that: between shell body and extension sleeve, be provided with one or more cylindrical tubes and elastic mechanism, carry out secondary or multi-stage expansion, flow straightener is installed in nozzle, nozzle is one or two, the horizontal sextant angle of two nozzles is 135 °～180 °, and the contact position between extension sleeve and the rotational sleeve is provided with seal washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010847 CN2719409Y (en) | 2004-05-21 | 2004-05-21 | Underground variable-range fully-automatic water-saving sprinkling irrigation gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010847 CN2719409Y (en) | 2004-05-21 | 2004-05-21 | Underground variable-range fully-automatic water-saving sprinkling irrigation gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2719409Y true CN2719409Y (en) | 2005-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420010847 Expired - Fee Related CN2719409Y (en) | 2004-05-21 | 2004-05-21 | Underground variable-range fully-automatic water-saving sprinkling irrigation gun |
Country Status (1)
| Country | Link |
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| CN (1) | CN2719409Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100409948C (en) * | 2006-09-01 | 2008-08-13 | 陶振华 | Rotary water sprayer |
| CN101862716B (en) * | 2009-05-14 | 2012-03-28 | 张祖祺 | Rotary nozzle of reactive rotor |
| CN106069617A (en) * | 2016-08-14 | 2016-11-09 | 石家庄迪龙塑胶有限公司 | A kind of Multi-section retractable irrigator |
| CN106622712A (en) * | 2016-12-27 | 2017-05-10 | 安徽艾瑞德农业装备股份有限公司 | Special self-sway micro-sprinkler for water-saving sprinkling irrigation machine |
| CN107347590A (en) * | 2017-07-31 | 2017-11-17 | 青岛农业大学 | Dual anti-stifled formula feed pipe and its processing method |
| CN108157028A (en) * | 2017-01-17 | 2018-06-15 | 青岛农业大学 | Agricultural booth and greenhouse gardening method |
| CN114100882A (en) * | 2021-12-06 | 2022-03-01 | 吉安市浩风灌溉设备有限公司 | Spray head structure convenient for irrigation and preparation process thereof |
-
2004
- 2004-05-21 CN CN 200420010847 patent/CN2719409Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100409948C (en) * | 2006-09-01 | 2008-08-13 | 陶振华 | Rotary water sprayer |
| CN101862716B (en) * | 2009-05-14 | 2012-03-28 | 张祖祺 | Rotary nozzle of reactive rotor |
| CN106069617A (en) * | 2016-08-14 | 2016-11-09 | 石家庄迪龙塑胶有限公司 | A kind of Multi-section retractable irrigator |
| CN106622712A (en) * | 2016-12-27 | 2017-05-10 | 安徽艾瑞德农业装备股份有限公司 | Special self-sway micro-sprinkler for water-saving sprinkling irrigation machine |
| CN108157028A (en) * | 2017-01-17 | 2018-06-15 | 青岛农业大学 | Agricultural booth and greenhouse gardening method |
| CN107347590A (en) * | 2017-07-31 | 2017-11-17 | 青岛农业大学 | Dual anti-stifled formula feed pipe and its processing method |
| CN107347590B (en) * | 2017-07-31 | 2022-05-10 | 青岛农业大学 | Double anti-blocking water supply pipe and processing method thereof |
| CN114100882A (en) * | 2021-12-06 | 2022-03-01 | 吉安市浩风灌溉设备有限公司 | Spray head structure convenient for irrigation and preparation process thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |